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Dell OpenManage Server Administrator Version 7.3 Software Support

1. 187 Replacing A Physical Disk Receiving SMART Alerts How Do Recover From Removing The Wrong Physical Disk For more information see Recovering From Removing The Wrong Physical Disk How Do Identify The Firmware Version That Is Installed The properties information of the controller displays the firmware version that is installed on the controller From the Storage tree view object you can display the firmware version for all controllers attached to the system You can also view this information in the Information Configuration page of the controller To display the firmware version of all controllers 1 Select the Storage object in the tree view 2 Click Information Configuration subtab The Firmware version column on the Information Configuration subtab displays the firmware version for all controllers attached to the system Which Controllers Do Have Each controller attached to the system is displayed under the Storage object in the tree view In addition the Storage Health and Information Configuration pages display information for each controller To identify the controllers attached to the system 1 Select the Storage tree view object The Health page displays the name and status for each controller attached to the system 2 Click Information Configuration subtab to display more information for each controller 3 To display more information about a particular controller including its tasks click th
2. The Express Service Code is a numeric function of your service tag You can key in the numeric Express Service Code for automated call routing while calling technical support To identify the Express Service Code of the enclosure select the enclosure in the tree view and click the Information Configuration The Information Configuration displays the Express Service Code and other enclosure properties e Preparing a physical disk for removal To prepare a physical disk for removal is a physical disk command See Preparing To Remove e Troubleshooting For more information on Troubleshooting see Troubleshooting e Removing the wrong physical disk You can avoid removing the wrong physical disk by blinking the LED display of the disk you intend to remove See Blinking And Unblinking A Physical Disk e If you have already removed the wrong physical disk see Recovering From Removing The Wrong Physical Disk Identifying An Open Connector On The Enclosure Checking The Temperature Of The Enclosure Verifying The EMM Firmware Version Of The Enclosure Identifying An Open Connector On The Enclosure Does my controller support this feature See Supported Features If you have not attached the enclosure to an open connector you may need to identify a connector on the controller that can be used for this purpose To identify an open connector 1 Inthe Server Administrator window under the System tr
3. Disk Cache Policy a a S E Enclosure Support On PERC Hardware Controllers Table 55 Enclosure Support on PERC Hardware Controllers Enclosure Support PERC H810 PERC H700 Adapter PERC H710 PERC H710P PERC H310 Adapter Integrated Modular Mini Adapter Monolithic Mini Blade Mini Blade Mini Adapter Monolithic Can an enclosure be attached to this controller Supported Features On The SAS 5iR SAS 6iR And PERC H200 Controllers This section identifies the controller supported features and whether an enclosure can be attached to the controller e Controller Tasks 209 e Battery Tasks e Connector Tasks e Physical Disk Tasks e Virtual Disk Tasks e Virtual Disk Specifications e Supported RAID Levels e Read Write Cache And Disk Cache Policy e Enclosure Support For enclosure supported tasks see Enclosure And Backplane Features Controller Tasks Supported On The SAS 5 iR SAS 6 iR And H200 Controllers Table 56 Controller Tasks Supported on the SAS 5 iR SAS 6 iR and H200 Controllers SAS 5 iR SAS 6 iR PERC H200 Controller Task Name 2 Enable Alarm 2 Disable Alarm 2 Quiet Alarm 2 Test Alarm bd Lo 2 Ei 2 Ei Ei Ei Ei Ei Ei Ei Ei Ei Reset configuration Set Rebuild Rate CO Set Background Initialization Rate No 2 Set Check Consistency Rate No N N 2 Set Reconstruct Rate 2 Rescan Controller CO Create Virtual Disk CO
4. Ei Ei Ei Ei Ei Ei 2 2 Ei Export Log File lt bd Co Clear Foreign Configuration 2 Import Foreign Configuration Import Recover Foreign No Configuration Set Patrol Read Mode No N 2 Start Patrol Read 2 Ei 2 Ei Ei Ei 2 Ei Stop Patrol Read Controller Reports 210 Controller Task Name SAS 5 iR SAS 6 iR PERC H200 Check Consistency Report Physical Disk Firmware Yes Yes Yes Version Report Battery Tasks Supported On The SAS 5 iR SAS 6 iR And H200 Controllers Table 57 Battery Tasks Supported on the SAS 5 iR SAS 6 iR and H200 Controllers e br rh Sep fw tee Sege fw twee Connector Tasks Supported On The SAS 5 iR SAS 6 iR And H200 Controllers Table 58 Connector Tasks Supported on the SAS 5 iR SAS 6 iR and H200 Controllers Connector Task Name SAS 5 IR SAS 6 iR PERC H200 Sache wid Physical Disk Tasks Supported On The SAS 5 iR SAS 6 iR And H200 Controllers Table 59 Physical Disk Tasks Supported on the SAS 5 iR SAS 6 iR and H200 Controllers Physical Disk Task Name SAS 5 IR SAS 6 iR PERC H200 Blink Unblink Yes Y Yes Task only available when an enclosure or backplane and LEDs on the physical disks are present Assign and Unassign Supports up to two global Supports up to two global Global Hot Spare hot spares hot spares es o ae me P NA Rebuild automatically Rebuild automatically Rebuild initiated by the controller initiated by the
5. Repeat step 2 until you have selected the desired number of disks 3 Click Continue to exit Creating A Channel Redundant Virtual Disk Using RAID 50 To create a channel redundant virtual disk using RAID 50 1 Select one physical disk on each of the three channels 2 Select an additional disk on each of the three channels You have now selected the minimum number of disks for a RAID 50 Repeat step 2 until you have selected the desired number of disks 3 Click Continue to exit Connector Health The connector health page displays the status of the connector and the components attached to the connector Controller Information For information on the controller see Controllers Connector Components For information on attached components see Enclosures And Backplanes Connector Properties And Tasks To view information about the connector and execute connector tasks use the connector properties and tasks page The connector properties can vary depending on the model of the controller Connector properties may include Table 27 Connector Properties These icons represent the severity or health of the storage component ead Normal OK A Warning Non critical 108 Property S O o Critical Failure Error For more information see Storage Component Severity A Warning or Critical severity may indicate that the connector is unable to communicate with attached devices such as an enclosure Check the statu
6. page of the logical connector to view details of the Path Health For a brief outline of this scenario see the following table Table 18 Path between Controller and Enclosure 1 Health of Logical Connector Path between Controller and Enclosure 1 Connector 0 C0 Connector 1 C1 However if the communication channel between any two enclosures is lost the redundant path configuration is degraded and the health of the logical connector is displayed as degraded For a brief outline of this scenario see the following table Table 19 Path between Enclosure o and Enclosure o Health of Logical Connector Path between Enclosure o and Enclosure 7 1 Connector 0 CO Connector 1 C1 In the above scenario the enclosure status is displayed in warning mode Clicking Information Configuration in the Enclosures page displays all enclosure components EMMs Fans Physical Disks Power Supplies and Temperature in normal condition To view the Path Failure message to indicate that the enclosure has lost a communication path to the controller indicating that the enclosure is no longer in redundant path mode Related Links Path Health Clearing The Connectors Redundant Path View Clearing The Redundant Path View Consider a case where you reboot your system and Storage Management displays the logical connector with a path failure message It is possible that you may have intentionally unplugged the second connector In this case the path
7. Related Links Virtual Disk Properties Virtual Disk Tasks Virtual Disk Available Tasks Virtual Disk Properties The virtual disk properties can vary depending on the model of the controller Virtual disk properties may include Table 34 Virtual Disk Properties oc Status These icons represent the severity or health of the storage component VR Normal OK A WamingNon critica Q Critical Failure Error For more information see Storage Component Severity Name Displays the virtual disk name Displays the status of the virtual disk Possible values are Ready The virtual disk is functioning normally Degraded A physical disk in a redundant virtual disk is not online Resynching A consistency check is being performed on the virtual disk Performing a Cancelling A Check Consistency on a virtual disk while it is in Resynching state causes the virtual disk to be in a Failed Redundancy state Resynching Paused A consistency check has been paused on the virtual disk Regenerating A physical disk in the virtual disk is rebuilding Reconstructing The virtual disk configuration has changed The physical disks included in the virtual disk are being modified to support the new configuration Failed The virtual disk has encountered a failure of one or more components and is no longer functioning Failed Redundancy This state is displayed when the initial consistency check for t
8. Storage Management May Delay Before Updating Temperature Probe Status 182 Storage Management May Delay Displaying Storage Devices After Beho You Are Unable To Log Into A Remote System Cannot Connect To Remote System Running Microsoft Windows Server 2003 Reconfiguring A Virtual Disk Displays Error In Mozilla Browser Physical Disks Are Displayed Under The Connector Object Instead Of The Enclosure Ohiect 183 PGle SSD Troubleshooting isacciaisininsdeadntat ds aaa T da aA N EEN 183 Peripheral Component Interconnect Express PCle Solid State Drive SSD Is Not Visible In The OPBPAtiNG Oy E a geeiert a Erea Ae aae Eaa Eet ege sola Ae Ver 184 PCle SSD Is Not Visible In Disk Management In The Operating System 184 Fluid Cache For DAS Fluid Cache tree is not seen in OMSS Additional entries seen in the statistics chat 184 Fluid Cache device is not seen in the operating eystem nnen nana 184 On H310 I do not see any option for Fluid Cache 184 Cannot add more than 64 VDs for cachmg EE 184 Configured mode vs operational mode troubleshooting in cases of Pass Through and Write Through lte EI TEE When the Fluid Cache node is selected Fluid Cache details is not displayed Add PCle SSD to Fluid Cache Pool fals Blank graph or graph with minimal data is plotted ee 19 Frequently Asked Questons icisscsiscieicitccaiccuitectssintcvrasten Eege 187 Why Is A Rebuild Not Working Ae 187 How To Avoid Removing The Wrong Disk 187 How Can Saf
9. The virtual disk is displayed in the Virtual Disk s on Controller lt Controller Name gt page For PERC H700 and PERC H800 controllers if any of the drives you selected is in the spun down state the following message is displayed The below listed physical drive s are in the spun down state Executing this task on these drive s takes additional time because the drive s need to spun up The message displays the ID s of the spun down drive s Click Go Back To Previous Page to return to Create Virtual Disk Advanced Wizard page if you want to change your selections Click Exit Wizard to cancel the virtual disk creation The Create Virtual Disk Advanced Wizard Step 3 of 3 lt Controller Name gt page displays a check box next to each physical disk that is suitable as a dedicated hot spare Select a Physical Disk check box if you want to assign a dedicated hot spare The Physical Disk check box is not available if the controller does not have a physical disk that is a suitable hot spare for the virtual disk you are creating For example the available physical disks may be too small to protect the virtual disk If the Physical Disk check box is not available you may need to specify a smaller virtual disk use a different RAID level or change the disk selection E NOTE If you are creating an encrypted virtual disk then encrypted physical disks are listed as candidates for hot spare Related Links Calculation For Maxim
10. state memory to store persistent data Unknown Storage Management is unable to determine the media type of the physical disk Used RAID Disk Space Displays the amount of the physical disk space that is used by the virtual disks on the controller This property is not applicable for physical disks attached to non RAID controllers In certain circumstances the Used RAID Disk Space displays a value of zero 0 even though a portion of the physical disk is actually being used This occurs when the used space is 0 005GB or less The algorithm for calculating the used disk space rounds off a figure of 0 005GB or less than zero Used disk space that is between 0 006GB and 0 009GB is rounded off to 0 01GB Available RAID Disk Space Displays the amount of available space on the disk This property is not applicable for physical disks attached to non RAID controllers Hot Spare Indicates whether the disk has been assigned as a hot spare This property is not applicable for physical disks attached to non RAID controllers Vendor ID Displays the hardware vendor of the disk Product ID Displays the product ID of the disk Displays the firmware version of the disk Serial No Displays the serial number of the disk Negotiated Speed Displays the speed of data transfer that the disk negotiated while spinning up and upon initial communication with the controller This speed is dependent on the speed of the disk the capable speed of the controller t
11. 300 Controllers C CC eooo p eooo p e Table 70 Read Write and Cache Policy Supported by the PERC 100 PERC S110 and S300 Controllers Policy es Disabled es Write Back Enabled Force Write Back No Enabled Always Write Cache Enabled No Protected oo Im Cache 1 0 218 Enclosure Support On The PERC S100 PERC S110 And S300 Controllers Table 71 Enclosure Support on the PERC S100 PERC 110 and 300 Controllers Enclosure Support PERC S100 PERC S110 PERC aam 300 Can an enclosure be No attached to this controller Supported Features On The Non RAID Controllers This section identifies the controller supported features and whether an enclosure can be attached to the controller e Controller Tasks e Battery Tasks e Connector Tasks e Physical Disk Tasks e Virtual Disk Tasks e Enclosure Support For enclosure supported tasks see Enclosure And Backplane Features Controller Tasks Supported On The Non RAID Controllers Table 72 Controller Tasks Supported on the Non RAID Controllers onge hl EELER DEIER Dos oan kl Song kl Soen Jr So ateenn Jl Soen T DEELER CC kl CC Cn A e lr 219 Controller Task Name Non RAID SCSI Non RAID SAS Import Recover Foreign Configuration Battery Tasks Supported By Non RAID Controllers Table 73 Battery Tasks supported by Non RAID Controllers e E C E powem eo G Connector Tasks Supported On The Non RAID Controllers
12. Automatic Disk Power Saving Idle C Enables or disables the Automatic Disk Power Saving Idle C feature for additional power saving When enabled it enables the new generation power savings without affecting the legacy drives Quality Of Service 0S Time Interval for Spin Down Sets the time interval after which the hot spares and unconfigured drives spins down Enable Quality Of Service Settings Select to set the start time and the time interval for spin up activity at the virtual disk level NOTE This option is available only if the Spin Down Configured Drives option is selected Start Time HH MM Displays the start time of the battery learn cycle This option is enabled only if Enable Quality Of Service Settings is selected Time Interval for Spin Up in Hours Displays the spin up time interval for the battery learn cycle The time interval can range from 1 24 hours Related Links Managing The Physical Disk Power Physical Disk Power On Unconfigured Drives And Hot Spares 1 Select Enabled for the Spin Down Unconfigured Drives and Spin Down Hot Spares options 2 Click Apply Changes To exit and cancel your changes click Go Back to Previous Page Related Links Managing The Physical Disk Power Managing Physical Disk Power Using The Customized Power Savings Mode To manage physical disk power through the Customized Power Savings Mode 1 Select the Customized Power Save Mode option 2 Edit the remaining
13. Cache Store Count Displays the number of PCle SSDs that is part of the Fluid Cache pool Physical Device Properties Table below list the Physical Device Properties Table 9 Physical Device Properties Displays the physical device ID as reported by the omreport CLI command Displays the status of the physical device a EE 49 Part of Cache Pool Indicates whether the physical device is a part of the cache pool or not Device Life Remaining Displays the percentage of the disk life available Failure Predicted Displays whether the physical disk has received a Self Monitoring Analysis and Reporting Technology SMART alert and is therefore predicted to fail For more information on SMART predictive failure analysis see Monitoring Disk Reliability On RAID Controllers For information on replacing the physical disk see Replacing A Physical Disk Receiving SMART Alerts You may also want to review the Alert Log to see if the physical disk has generated alerts pertaining to a SMART predictive failure These alerts can assist you in identifying the cause of the SMART alert The following alerts may be generated in response to a SMART alert 2094 2106 2107 2108 2109 2110 2111 For information on Alert Messages see the Server Administrator Messages Reference Guide On a PERC4 IM controller when replacing a drive that displays a SMART error with another drive it is necessary to perform a rescan operation on the
14. Connector Tasks Supported By The PERC 5 E PERC 6 And CERC 6 I Controllers Table 40 Connector Tasks Supported by the PERC 5 E PERC 6 and CERC 6 I Controllers Connector PERC 5 E PERC D PERC 6 E PERC ol PERC ol CERC oi Task Name Modular Connector Rescan Physical Disk Tasks Supported By The PERC 5 E PERC 6 And CERC 6 I Controllers Table 41 Physical Disk Tasks Supported by the PERC AE PERC 6 and CERC Gi Controllers Physical Disk PERC 5 E PERC D PERC 6 E PERC ol PERC ol CERC 6 I Task Name Eegen Blink Unblink A and Unassign Global Hot Spare Prepare to Remove Offline C a a Gleck Cancel Rebuild Rebuild ies 2 Ed Dead Disk SSC Format Disk Disk ee Cancel Yes with Yes with Yes with Replace firmware 6 1 firmware 6 1 firmware 6 1 Member and later and later and later 192 Virtual Disk Tasks Supported By The PERC 5 PERC 6 And CERC 6 I Controllers Table 42 Virtual Disk Tasks Supported by the PERC 5 PERC 6 and CERC 6 I Controllers Virtual Disk PERC 5 E PERC D PERC 6 E PERC ol PERC ol CERC ail Task Name Modular Assign and Yes Yes Yes Unassign Dedicated Hot Spare Create Virtual Yes Yes Yes Disk Create Virtual Yes Yes Yes Disk Advanced Wizard Create Virtual Yes Yes Yes Yes Disk Express Wizard Sot Miro ee Unmirror E Last Virtual Disk Delete any Virtual Disk Check Yes Yes Yes Yes Yes Yes Consistency Cancel Check Yes Yes Ye
15. Enclosure And Backplane Information For information on enclosures and backplanes see e Enclosures And Backplanes e Enclosure And Backplane Properties e Enclosure And Backplane Tasks Enclosure And Backplane Components For information on attached components see Physic Displays the current state of the EMMs Possible values are Ready EMM is functioning normally Degraded EMM has encountered a failure and is operating in a degraded state Failed EMM has encountered a failure and is no longer functioning Storage Management is unable to communicate with the enclosure using SES commands The Failed state is displayed when the enclosure does not respond to a status query from Storage Management For example disconnecting the cable Missing EMM is not present in the enclosure Not Installed EMM is not present in the enclosure Displays the part number of the EMM module Indicates whether the EMM is a SCSI SES Module or a SCSI Terminator SCSI SES Module A SCSI SES module provides SCSI Enclosure Services SES and SCSI Accessed Fault Tolerant Enclosures SAFTE reporting to the host server control of all system LED indicators and monitoring of all environmental elements such as temperature sensors cooling modules and power supplies SCSI Terminator The SCSI terminator card is only used if the 220S or 221S enclosure is not configured with a redundant SCSI SES module type of EMM In sys
16. In most cases the maximum length is 15 characters The name cannot start with a space end with a space or be left blank Related Links Renaming A Virtual Disk To Rename A Virtual Disk 1 Type the new name in the text box 2 Click Rename To exit without renaming the virtual disk click Go Back To Virtual Disk Page 156 To Locate Rename In Storage Management To locate this task in storage management 1 Inthe Server Administrator window under the system tree expand Storage to display the controller objects 2 Expand a controller object 3 Select the Virtual Disks object 4 Select Rename from the Available Tasks drop down menu 5 Click Execute Changing The Policy Of A Virtual Disk Does my controller support this feature See Supported Features Use the Change Policy task to change the read write or cache policy of a virtual disk Related Links RAID Controller Read Write Cache And Disk Cache Policy Changing The Read Write Or Disk Cache Policy Of A Virtual Disk 1 Select the new policy from the Read Policy Write Policy and Disk Cache Policy drop down menus 2 Click Apply Changes To exit without changing the virtual disk policy click Go Back To Virtual Disk Page To Locate Change Policy In Storage Management 1 In the Server Administrator window under the system tree expand Storage to display the controller objects 2 Expand a Controller object 3 Select the Virtual Disks object 4 Sel
17. Related Links Battery Properties And Tasks Starting A Learn Cycle Initiating The Battery Delay Learn Cycle Battery Properties And Tasks To view information about the battery and execute battery tasks use the battery properties and tasks page Battery Properties The battery tree view object has the following properties Table 30 Battery Properties Pore Status These icons represent the severity or health of the storage component GES e G Normal OK e d WartincNorcertcei GP criticaveaituro Error For more information see Storage Component Severity Name Displays the name of the battery Displays the status of the battery Possible values are Charging The battery is undergoing the recharge phase of the battery learn cycle For more information see Starting A Learn Cycle Missing The battery is missing on the controller Failed The battery has failed and has to be replaced Learn Mode Displays the learn mode of the battery Possible values are 115 e Auto Storage Management performs an automatic learn cycle based on the set time e Warn The learn cycle is past the default 90 days When the battery is in Warn mode the state of the controller is displayed as degraded NOTE Warn is available only on SAS controllers with firmware version 6 1 and later Next Learn Time Displays the number of days and hours left before the controller firmware initiates the next lear
18. Rescanning To Update Storage Configuration Changes The Rescan task scans the storage device attached to the connectors on the controller channels or ports to verify the currently connected devices or to recognize devices that have been added to or removed from the connectors When you rescan a controller object object all storage devices attached to the controller are rescanned Performing a rescan causes the controller to recognize changes in the storage configuration such as adding or removing physical disks from a virtual disk or changing a RAID level 37 You can rescan a controller object to e View new disks attached to the controller e Enable the operating system to recognize a virtual disk e Enable Storage Management to display a new virtual disk e Allow the virtual disk to use the additional space after is it expanded e Update the status of an offline disk e Update information in a clustered configuration after a failover of cluster resources K NOTE For SCSI controller based systems if you want to rescan all controllers perform the procedures listed in the Performing A Global Rescan section If you want to rescan only the components attached to a particular controller perform the procedures listed in the Rescanning The Controller section K NOTE To view the new physical disk click the system name displayed at the top of the left pane or select View Refresh from the menu bar on the browser Related Link
19. S aon is A B B B A B w A ja B a a ja B 227 Health Status Rollup Enclosure Power Supply Failed Or Power Connection Removed Table 88 Health Status Rollup Enclosure Power Supply Failed or Power Connection Removed Storage Controller Connector Enclosure Virtual Disks Physical Subsystem Disks SBS B jA o B B saa ppt p Rollup Health Status Rollup One Enclosure Fan Is Failed Table 89 Health Status Rollup One Enclosure Fan is Failed m e e p a e Subsystem Disk s Driver Disk s Component e e e SG Se B We O B B Health 7 N A N A N A ZS B ja Wgl pm m Health Status Rollup One Enclosure EMM Is Failed Table 90 Health Status Rollup One Enclosure EMM is Failed Storage Controller Connector Gre Virtual Disks SEH Subsystem Disks Component all Status Rollup SI 228 Health Status Rollup One Enclosure Temperature Probe Is Failed Table 91 Health Status Rollup One Enclosure Temperature Probe is Failed Storage Controller Connector Enclosure Virtual Disks Physical Subsystem EE Disks Probe Component Status Health Status Rollup Lost Both Power Connections To The Enclosure Table 92 Health Status Rollup Lost Both Power Connections to the Enclosure Subsystem Enclosure Disks Components Component Sa jo EI Health m a o jo m m e Health Status Rollup One Or More Physical Disks Are Failed Table 93 Health Status Rollup One or More Physical Disks are Failed Storage Controll
20. The foreign disk is in degraded state and rebuilds after import Failed The foreign disk has encountered a failure and is no longer functioning You cannot import the foreign configuration The foreign configuration may be in degraded or failed state due to any of the following reasons Missing physical disk One of the physical disk s in the potential virtual disk is missing or not available Missing span One or more spans of a hybrid virtual disk is missing Stale physical disks One or more physical disks in the configuration may contain out of date data relating to other disks of that virtual disk Hence the data integrity of the imported virtual disk is not intact Unsupported configuration of the virtual disk The virtual disk has an unsupported RAID level 71 Import and Export The virtual disks available for import exceed the number of virtual disks available for export Incompatible physical disks Configuration on the physical disks is not recognized by the RAID firmware Orphan drive A physical disk in the foreign configuration has configuration information that matches another physical disk that is already a part of an array either a foreign or a native array NOTE For other applicable physical disk tasks and properties see Physical Disk Or Physical Device Properties and Physical Disk Or Physical Device Tasks Provides information about the foreign virtual disk If the virtual disk canno
21. external storage Thermal Shutdown for the 20xS and 21xS Enclosures For the 20xS and 21xS enclosures the operating system shuts down and the server turns off when the enclosure reaches 0 degrees celsius or 50 degrees celsius The enclosure turns off after the server is turned off Thermal Shutdown for the 220S and 227S Enclosures For the 220S and 221S the operating system shuts down and the server turns off at 0 degrees celsius or 50 degrees celsius if you have not implemented Channel Redundancy and Thermal Shutdown The enclosure turns off only when you have implemented channel redundancy enabled smart thermal shutdown using the command line interface CLI and is set at 0 degrees celsius or 50 degree celsius This does not result in data loss because the redundant data resides on the enclosure attached to the other channel The 220S and 227S enclosures automatically turn off when their temperature reaches 55 degrees celsius This shutdown occurs even if channel redundancy is implemented or if Storage Management is installed You can enable smart thermal shutdown using the command line interface For more information see the Server Administrator Command Line Interface User s Guide Related Links Enclosure Temperature Probes Checking The Temperature Of The Enclosure Setting The Temperature Probe Values Using Enclosure Temperature Probes Enclosure Physical Disks The physical disks in an enclosure are displayed under the enclosure o
22. failure message is not relevant There could be a fault in the connected cable or the cable may not be connected properly to the controller In both cases Storage Management displays that the system was in redundant path configuration before reboot and is no longer in this configuration If you are sure you do not want the redundant path mode clear the existing redundant path view using Clear Redundant Path View provided in the Changing The Controller Properties controller task Selecting this option clears the redundant path view and the connectors are represented on the user interface as Connector 0 and Connector 1 Related Links Setting The Redundant Path Configuration Logical Connector Properties And Tasks 80 Setting The Patrol Read Mode Does my controller support this feature See Supported Features Patrol read identifies disk errors in order to avoid disk failures and data loss or corruption The Set Patrol Read task is applicable only for disks used as virtual disks or hot spares The Set Patrol Read tasks run in the background and corrects when possible When the Set Patrol Read mode is set to Auto patrol read is initiated when the controller is idle for a period of time and when no other background tasks are active In this scenario the patrol read enhances the system performance as disk errors can be identified and corrected when there is not input output activity on the disk The controller adjusts the amount of sys
23. takes maximum time to complete and has the least impact to system performance A background initialization rate of 0 does not mean that the background initialization is stopped or paused At 100 the background initialization is the highest priority for the controller The background initialization time is minimized and has the most impact to system performance Related Links Background Initialization On PERC Controllers To Change The Background Initialization Rate For A Controller 1 Type a numerical value in the Set New BGI Rate 0 100 field The value must be within the 0 100 range 2 Click Apply Changes To exit and cancel your changes click Return to Previous Page To Locate Background Initialization Rate In Storage Management In the Server Administrator window under the system tree expand Storage to display the controller objects Select a controller object 1 2 3 Click Information Configuration on the controller Properties page 4 Select Set Background Initialization Rate from the Available Tasks drop down menu 5 Select Execute You can also locate this task from the Change Controller Properties drop down menu Related Links Changing The Controller Properties Setting The Check Consistency Rate Does my controller support this feature See Supported Features 11 The Set Check Consistency Rate task changes the amount of system resources dedicated to the check the consistency rate The check consisten
24. virtual disk or hot spare by checking the physical disk state If the physical disk state is Foreign then the physical disk contains all or some portion of a virtual disk or has a hot spare assignment If you have an incomplete foreign configuration which cannot be imported you can use the Clearing Foreign Configuration option to erase the foreign data on the physical disks K NOTE The task of importing foreign configuration imports all virtual disks residing on physical disks that have been added to the controller If more than one foreign virtual disk is present all the configurations are imported Related Links Foreign Configuration Properties Importing Or Recovering Foreign Configurations The recover operation attempts to restore degraded failed or missing virtual disks to a healthy state A virtual disk may be in a degraded failed or missing state after losing communication with the controller due to a power loss faulty cable connection or other failure A rebuild or background initialization may automatically initiate after the recover operation completes The virtual disk data may be inconsistent after recovery Verify the virtual disk data after the Import Recover Foreign Configuration task completes In some cases the virtual disk data is incomplete and it is not possible to successfully recover the virtual disk To import or recover a foreign configuration Click Import Recover to import or recover all virtual dis
25. 0 Striping RAID 0 uses data striping which is writing data in equal sized segments across the physical disks RAID 0 does not provide data redundancy 26 RAID 0 characteristics e Groups disks as one large virtual disk with a capacity of smallest disk size zo disks e Data is stored to the disks alternately e No redundant data is stored When a disk fails the large virtual disk fails with no means of rebuilding the data e Better read and write performance RAID Level 1 Mirroring RAID 1 is the simplest form of maintaining redundant data In RAID 1 data is mirrored or duplicated on one or more physical disks If a physical disk fails data can be rebuilt using the data from the other side of the mirror Disk Mirror RAID 1 characteristics e Groups 7 ndisks as one virtual disk with the capacity of disks The controllers currently supported by Storage Management allow the selection of two disks when creating a RAID 1 Because these disks are mirrored the total storage capacity is equal to one disk e Data is replicated on both the disks e When a disk fails the virtual disk still works The data is read from the mirror of the failed disk e Better read performance but slightly slower write performance e Redundancy for protection of data e RAID 1 is more expensive in terms of disk space since twice the number of disks are used than required to store the data without redundancy RAID Level 5 Striping Wit
26. 1 In the Server Administrator window under the system tree select Storage 2 Onthe Storage Dashboard page Change Controller Properties from the Available Tasks drop down menu 3 Click Execute To Locate Change Controller Properties In Storage Management Method 2 1 Inthe Server Administrator window under the system tree expand Storage to display the controller objects 2 Select a controller object 3 Click Information Configuration on the controller Properties page 4 Select Change Controller Properties from the Controller Tasks drop down menu 5 Click Execute Managing The Physical Disk Power Does my controller support this feature See Supported Features The Manage Physical Disk Power task allows you to manage the power consumed by the physical disks E NOTE The Manage Physical Disk Power task is provided with PERC H700 H800 and H310 cards by spinning down the hot spares and unconfigured disks PERC H710 H710P and H810 cards also support the Manage Physical Disk Power task with additional power saving modes Spin Down Configured Drives and Automatic Disk Power Saving Idle C options You can enable one of the following modes to manage the power consumed e No Power Savings Mode This is the default mode for the controller In this mode all power saving features are disabled e Balanced Power Savings Mode Provides good power savings while limiting 1 0 latency e Maximum Power Savings Mode Provide
27. 32 Possible scenarios for reconfiguring a virtual disk PERC 5 E and PERC 5 i RAID 0 RAID 0 Add at least one additional disk PERC S5 E and PERC 5 i PERC S5 E and PERC 5 i and PERC 5 i RAID 0 RAID 0 on a single disk a RAID 0 on a single disk disk nun 1 Add a single disk a Add a single disk disk PERC 5 E and PERC 5 i RAID 0 pe 5 Add at least one additional disk PERC 5 E and PERC 5 i RAID 1 RAID 0 With or without adding additional disks nun 1 RAIDS 5 Add additional disks additional disks eae 5 poe 0 With or without E additional disks RAIDS 5 RAIDS 5 Add additional disks additional disks 135 PERC 6 E PERC 6 I CERC nung 0 mun 1 Add a single disk a Add a single disk disk 6 1 PERC H800 Adapter PERC H700 Adapter PERC C 0 po 0 RAID 5 Add at least one additional H700 Integrated and PERC disk H700 Modular PERC H310 RAID 0 RAID 6 RAID 6 requires a minimum Adapter PERC H310 Mini of 4 disks lg ae do r Reconfiguration from RAID ar gt Bee apiet 0 to RAID 6 requires at least PERC H710 Mini Blades 2 additional disks even PERC H710 Mini Monolithic when this exceeds the 4 PERC H710P Adapter PERC disk minimum required by H710P Mini Blades PERC RAID 6 H710P Mini Monolithic PERC H810 Adapter RAID 1 RAID 0 With or without adding additional disks RAID 1 RAID 5 RAID 6 Add at least one additional disk RAID 6 requires a minimum of 4 disks RAID 5 RAID 0 Wi
28. 64 virtual disks for caching 184 Configured mode vs operational mode troubleshooting in cases of Pass Through and Write Through operational mode When the last but one PCle SSD is removed from the Fluid Cache pool the cache pool high availability changes from True to False indicating that the cache pool is Write Through capable only and the operational cache mode for any Fluid Cache disk configured for Write Back changes to Write Through When the last PCle SSD is removed from the Fluid Cache pool the operational cache mode for all Fluide Cache disk changes to Pass Through When the Fluid Cache node is selected Fluid Cache details is not displayed Restart the Fluide Cache service and click on Connect to Fluid Cache option in the Fluid Cache page Add PCle SSD to Fluid Cache Pool fails The device is probably in use Retry Blank graph or graph with minimal data is plotted The data for the duration selected has minimal samples Select a shorter duration 185 186 19 Frequently Asked Questions This section provides frequently asked questions that address situations commonly experienced in a storage environment e Why is a Rebuild not Working e How To Avoid Removing The Wrong Disk e How Can Safely Remove or Replace a Physical Disk e How do Recover from Removing the Wrong Physical Disk e How do Identify the Firmware Version that is installed e Which Controllers do Have e How do Turn off
29. 7 disks where s is the number of spans and n is the number of disks within each span Select RAID 60 to implement striping across more than one RAID 6 span RAID 60 groups 7 s disks as one large virtual disk with a capacity of s n 2 disks where sis the number of spans and n is the number of disks within each span RAID 60 provides increased data protection and better read performance but slower write performance Select the Bus Protocol The possible options are SCSI SAS SATA Select the Media Type The available options are HDD SSD For more information on Bus Protocol and Media Type see Virtual Disk Properties And Tasks Click Continue The Create Virtual Disk Advanced Wizard Step 2 of 3 lt Controller Name gt page is displayed with the connectors and physical disks available Related Links 148 Create Virtual Disk Express Wizard Create Virtual Disk Advanced Wizard Step 2 Depending on the RAID level you selected in the Create Virtual Disk Wizard Step 1 lt Controller Name gt page the Create Virtual Disk Advanced Wizard Step 2 of 3 lt Controller Name gt page displays the disks and connectors channels or ports available for configuring the virtual disk K NOTE If you are creating an encrypted virtual disk only the encrypted physical disks are displayed Else both encrypted and unencrypted physical disks are displayed The following is an example of what might
30. A AEAEE N E OA EEEE EAA EEEE EA SMART Thermal Shutdown Enclosure Physical Disks EMCIOSUIG FANS 6 esc E E E EA NSN E A se Ned oe ENCIOSUPE AONE TESTON T E E E A E E Enclosure Temperatiir Frobes tient a r a tee AE Eet gla Aiba iaaii 96 Enclosure Management Modules IEMMS ENEE 98 Enclosure And Backplane Health 99 Enclosure And Backplane Properties And Tasks ENEE 100 Changing The Mode On 220S And 221S Enclosures EnclosOre Matgg ut nt geet gel e geriet deed tiEedg Identifying An Open Connector On The Enclosure EE Enplosute Eotgpofgtle ebe Ee EE EES EE CEA else EE 107 Channel Redundancy And Thermal Shutdown E 107 Creating A Channel Redundant Virtual Disk 107 Creating A Physical Disk For Channel Redundant Virtual Disks On PERC Controllers 108 CongectorHesalth eegal EEAEck Route Elte el Connector Welle Connector Properties And Tasks e nette aa a aaa NEESS due dE del LE Rescanninig Whe COnn cto r ite tees sateveletuactacdecsteindeted des davtarve E A A EAA E ere Rescanning A Controller Connector EE Logical Connector Properties And Tasks IN ue EU eect ei hee ee ede eee eee eee Clearing The Connectors Redundant Path View 111 Reie tele TEEN 111 RE Cato Tape Drive Properties 12 RAID Controller Battertes EEN 115 Battery Properties And ss euen teren kee due gehaat aa aa r aa a reaa Ze EEe 115 Battery Properties cic cccszeccsveavievserccisesvhvectectsatestves SEENEN CES 115 UNE EE 116 Battery Avail
31. Click OK After the device is added to the cache pool the Part of Cache Pool displays Active K NOTE PCle SSDs cannot be partitioned and must be used entirely as cache 44 Removing PCle SSDs From Fluid Cache Pool To remove a PCle SSD from a cache pool 1 In the Server Administrator window under the system tree expand Storage to display the controller objects Expand the PCle SSD SubSystem object Expand the Enclosure Backplane object ZS fa N Expand the Physical Devices object The Physical devices on PCle SSD SubSystem page is displayed with the available list of physical disks 5 From the list of Tasks corresponding to the physical disk to which you want to remove the PCle SSD select the Remove from Cache Pool option 6 Click Execute to remove the PCle SSD The following message is displayed Device will be removed from Fluid Cache Pool Are you sure you want to proceed 7 Click OK Once the device removal is initiated from the cache pool any dirty data is moved to the back end disk While the data migration is in progress Storage Management displays a transient removal state After the device is removed from the cache pool the Part of Cache Pool attribute is Not Enabled When the last but one PCle SSD is removed from the Fluid Cache pool the cache pool high availability changes from True to False indicating that the cache pool is Write Through capable only and the operational cache mode for any Fluid Cache
32. Disk Specificatio n Disks in a RAID 6 Minimum Number of Physical Disks in a RAID 60 PERC H700 PERC H710 PERC H710 Adapter Mini Blade Adapter Integrated Mini Modular Monolithic RAID Levels Supported By The PERC Hardware Controllers Table 53 RAID Levels Supported by the PERC Hardware Controllers RAID Level PERC H800 PERC H810 Adapter PERC H700 PERC H710 PERC H710 Adapter Mini Blade Adapter Integrated Mini Modular Monolithic PERC H710P PERC H310 Adapter Mini Blade Mini Monolithic PERC H710P PERC H310 Adapter Mini Blade Mini Monolithic C were ee ee ee EE CC E EECH E EE RAID 60 Yes Yes Yes Yes Read Write Cache And Disk Cache Policy Supported By The PERC Hardware Controllers Table 54 Read Write and Cache Policy Supported by the PERC Hardware Controllers PERC H800 PERC H810 Adapter PERC H700 PERC H710 Adapter Mini Monolithic Mini Blade PERC H710P PERC H310 Adapter Mini Blade Mini Monolithic Read Write and Cache Policy 208 Read Write PERC H800 PERC H810 PERC H700 PERC H710 PERC H710P PERC H310 and Cache Adapter Mini Adapter Adapter Mini Policy Monolithic Blade Mini Mini Blade Adaptive Read Yes Ahead No Read Ahead Disabled Write Policy Write Policy Write Back Enabled Write Through Yes Disabled Force Write Back Enabled Write Cache Enabled Protected Cache Policy Cache Policy
33. ENEE Storage Components oaii diiis seucsevcesveusesvonseuvdeveudedssassurdecdeveav seve didadada dii dadadada iieiea EE Ehe 57 What SA Controller eegene sect Vac tates ved udsedancuvazces EE Seeerei HAA 57 RAID Controller Technology SCSI SATA ATA And SAS EE 57 SAS RAID Gontrollersitscatcavieds iain geesde ie eet 57 RAID Controller Feattiresisasd cnet ciiwhslasnsieaite il aida a E aA aaa iada A aA Aaa a Ea P rA 58 Controller Supported RAID Levels NENNEN 58 Controller Supported Stripe Slzes ENEE 58 RAID Controller Read Write Cache And Disk Cache Policy 59 ILR le EE 59 Witte PON O V a doce Zeg eet deer eege gege tee ege EeE Ee 59 Cache Polity peter AE EEN EE DU Disk Ga che B lten en Stee tee ae EE ee ee ee EE Salaat DU Background Initialization On PERC Controllers ENEE 60 Non RAID Controller Description Nopn RAlDSCGSl Gopntrell te eege Seege naka tia hain Aaa a a E E E Non RAID SAS Controlle Sondrio aaee ae leide dEr dE Firmware Or Driver VersiOnsesc lt a a a e Eed A AR Firmware Driver Pronertesg eege sets sesdesaecccaueceutaveccavenventeandstuelveevescecssaseatsussed acta anaidai aiii daie Rettel TELE Controller COMPONENtS 2 scccscccsesisescccccsscsveccesccescutceuvesveuscscsescucdesdcsecescsiacsseusdsea ecubeiedesdeueesenvecuedsedcresvecseuceduessvevees Controllers Properties And Tasks Controller E E E EE E ies eege Ee vane Rescanning The Controler medden eege eieiei Eed NEEN EE Creating We OTI Enabl
34. Enabled Protected policy for controllers that do not have a battery This restriction protects a controller without a battery from the data loss that may occur in the event of a power failure When using the Create Virtual Disk Advanced Wizard on a controller without a battery the wizard either displays Write Cache Disabled as the only available option or the wizard does not display any option for write policy e Write Cache Disabled This is the only option available when the controller does not have a functional battery Cache Policy Does my controller support this feature See Supported Features The Direct UO and Cache UO policy apply to readings on a specific virtual disk These settings do not affect the read ahead policy The cache policies are e Cache I O Specifies that all reads are buffered in cache memory e Direct O Specifies that reads are not buffered in cache memory When using Direct I 0 data is transferred to the controller cache and the host system simultaneously during a read request If a subsequent read request requires data from the same data block it can be read directly from the controller cache The Direct I O setting does not override the cache policy settings Direct 1 0 is the default setting K NOTE Cache policy is not supported on controllers that do not have a battery Disk Cache Policy Does my controller support this feature See Supported Features Set the physical disk caching policy o
35. Hot Spares From Storage Management version 3 1 onwards you can assign more than one dedicated hot spare to a virtual disk K NOTE This feature is applicable only on PERC 5 and PERC 6 family of controllers Considerations For Hot Spares On PERC S100 And PERC S300 Controllers For the PERC S100 and PERC S300 controllers a hot spare is assigned to a virtual disk When a physical disk fails only the portion of the physical disk containing the virtual disk is rebuilt onto the hot spare Data or space on the physical disk is not included in the virtual disk are not rebuilt On the PERC S100 and PERC S300 controllers individual physical disks may be included in more than one virtual disk Assigning a portion of a physical disk to a virtual disk does not preclude the remaining portion of the physical disk from being used by other virtual disks Only the virtual disks to which the hot spare is assigned are rebuilt When using Storage Management a disk that is assigned as a hot spare on a PERC S100 and PERC S300 controller cannot be used as a member of a virtual disk Size Requirements For Global Hot Spares On S100 And 300 Controllers When assigning a physical disk as a global hot spare on a PERC S100 and PERC S300 controller the physical disk should be equal to or greater than the largest physical disk on the controller Global Hot Spare Considerations On A SAS 6 iR The SAS 6 iR controller enables you to assign two global hot spares The
36. Learn Cycle from the Available Tasks drop down menu 5 Click Execute Related Links Battery Properties And Tasks Starting A Learn Cycle Initiating The Battery Delay Learn Cycle 118 13 Physical Disks Or Physical Devices Physical disks or physical devices reside within an enclosure or are attached to the controller On a RAID controller physical disks or devices are used to create virtual disks Related Links Physical Disk Tasks Guidelines To Replace A Physical Disk Or Physical Device A replacement disk may not be the same model as the physical disks or devices in the storage enclosure Use the following guidelines when replacing a disk e A drive within an array must be replaced with a drive of equal or greater capacity e Consider the bus speed while replacing a drive Replacing drives with equal or greater bus speeds within the same array is supported You can use both 3 GB and 6 GB drives in the same array However it is not recommended to replace a 6 GB drive with a 3 GB drive Although it is fully functional the performance could be impacted Replacing 3 GB drives with 6 GB drives is supported This occurs more frequently as legacy parts are depleted and warranty service is required e Consider the Revolutions Per Minute RPM while replacing a drive Replacing drives with equal or greater spindle speeds within the same array is supported You can use both 10000 RPM and 15000 RPM drives in the same enclosure Howe
37. Messages Reference Guide Progress Displays the progress of an operation that is being an operation is that is being performed on the physical disk or device 123 Property Encryption Capable Displays whether the physical disk or device is a Self Encryption Disk SED The possible values are Yes and No Encrypted Displays whether the physical disk or device is encrypted to the controller The possible values are Yes and No For a non SED the value is N A Bus Protocol Displays the technology that the physical disk or device is using Possible values are e SCSI e SAS e SATA Displays the media type of the physical disk or device The possible values HDD Hard Disk Drive A HDD is a nonvolatile storage device which stores digitally encoded data on rapidly rotating platters with magnetic surfaces SSD Solid State Drive An SSD is a data storage device that uses solid state memory to store persistent data Unknown Storage Management is unable to determine the media type of the physical disk or device Remaining Rated Write Endurance Displays information on the SSD renewal replacement based on the amount of write workloads This field indicates the total remaining programs or erase cycles available on the SSD based on the cumulative specification of the total NAND Negated AND or NOT AND Flash chips in the SSD Used RAID Disk Space Displays the physical disk or device space that is used by the virtual disks on the contro
38. RBAID EEN RAD One EBI EE S E E EEE RAID Levels Guedes ESA ear ea evade Organizing Data Storage For Availability And Performance Choosing RAID Levels And Concatenaton EE Reie TEE GIRA BAR er Or RAID Level U Mirrogngt ee Se a ea a a a NEE EEN EE RAID Level 5 Striping With Distributed Parti ANEN RAID Level 6 Striping With Additional Distributed Batty 28 RAID Level 50 Striping Over RAID 5 Setsl ENEE 29 RAID Level 60 Striping Over RAID 6 Setsl ENEE 30 RAID Level 10 Striped Mirrorsl NEEN 31 RAID Level 1 Concatenated Concatenated Mio EEN 32 Comparing RAID Level And Concatenation Periormance EE 33 INO AND io ace Ee 34 4 Quick Access To Storage Status And Tasks een 35 del Ch CR Ha lth E 35 Hot Spare Protection B lleger Seeerei Eed deele Geet 35 Storage Component Severin Ee EE Ee elt bebo 36 Storage Properties And Current Activity EE 36 Alerts Or Events aineena diaii daidi idii diaii ida idda i aiiai idi ai aia ii 37 Monitoring Disk Reliability On RAID Controllers ENEE 37 Using Alarms To Detect Falures AEN 37 Using Enclosure Temperature Probes Au 37 Rescanning To Update Storage Configuration Changes nnen nnn nenn 37 Time Delay In Displaying Configuration Changes 5 PCI Express Solid State Device Support eent 39 WhatilS Ree EEN Ee eeh AE Eeer 39 PClE SSD Feat r Sinion ridia aaia addaa aa a i dia aaa Aa aa daai anta aa aa iiaa da iadaaa 39 PCle SSD S b System Prope E Srm a a aae a raa ienai aa aa enaa aei
39. Rollup All Physical Disks in a Virtual Disk are in Foreign State Enclosures Not Included iin ome fer E ke Ce Subsystem Disk s Driver Disk s C t SI F ee L i N A Se SS Bj BR P Health SS SS N A ZS A jA B jA e BR Health Status Rollup Some Physical Disks In A Virtual Disk Are In Foreign State Table 84 Health Status Rollup Some Physical Disks in a Virtual Disk are in Foreign State Enclosures Not Included Storage Controller Battery Connector Physical Firmware Virtual Subsystem Disk s Driver Disk s Component GG iv J wro B BR w O O B ja ja ja o 226 Health Status Rollup Virtual Disk Is Degraded Physical Disks Are Failed Or Rebuilding Table 85 Health Status Rollup Virtual Disk is Degraded Physical Disks are Failed or Rebuilding Enclosures Not Included Storage Controller Battery Connector Physical Firmware Virtual Subsystem Disk s Driver Disk s Component Status Health Status Rollup Virtual Disk Is Failed Table 86 Health Status Rollup Virtual Disk is Failed Enclosures Not Included Storage Controller Battery Connector Physical Firmware Virtual Subsystem Disk s Driver Disk s Component SI F SI F F Health i G r Rollup o O B Health Status Rollup Unsupported Firmware Version Table 87 Health Status Rollup Unsupported Firmware Version Enclosures Not Included Storage Controller Battery Connector Physical Firmware Virtual Subsystem Disk s Driver Disk s Component
40. Spare Manage Physical Disk Power for Unconfigure d and Hot Spare Drives Manage Physical disk power for configured drives Patrol Read Report Check Consistency Report Slot Occupancy Report Physical Disk Firmware Version Report PERC H710 PERC H710P PERC H310 Adapter Mini Blade Monolithic Mini Blade Monolithic Battery Tasks Supported On The PERC Hardware Controllers Table 48 Battery Tasks Supported on the PERC Hardware Controllers Battery Task PERC H810 PERC H700 Name Adapter Adapter Integrated PERC H710 PERC H710P PERC H310 Adapter Mini Monolithic Monolithic Mini Blade Mini Blade 201 Battery Task PERC H800 PERC H810 PERCH700 PERCH700 PERCH710 PERC H710P PERC H310 N Adapter Adapter Modular Adapter Mi Integrated Mini Monolithic Monolithic Mini Blade Mini Blade Connector Tasks Supported By The PERC Hardware Controllers Table 49 Controller Tasks Supported by the PERC Hardware Controllers PERC H710 PERC H310 PERC H700 Adapter Adapter Adapter aati Mn Blade PERC HZ10P i Blade Integrated Mini Mini Monolithic Monolithic Controller PERC H810 Task Name PERC H800 Adapter Physical Disk Tasks Supported By The PERC Hardware Controllers Table 50 Physical Disk Tasks Supported by the PERC Hardware Controllers Physical PERC H800 PERC H810 PERC H700 PERC H700 PERCH710 PERC H710P PERC H310 Disk Task Adapter Adapter Modular A
41. Step 3 of 3 Format Initialize Slow And Fast Initialize Does my controller support this feature See Supported Features The Format Initialize Slow Initialize or Fast Initialize task enables you to erase the files and remove the file systems on a virtual disk Some controllers require that you initialize a virtual disk before it can be used Related Links Slow And Fast Initialize Considerations For Slow Initialize Canceling Background Initialization Does my controller support this feature See Supported Features The Cancel Background Initialization task enables you to cancel a background initialization on a virtual disk On PERC controllers background initialization of redundant virtual disks begins automatically after the virtual disk is created Because the initialization is run in the background other processes can continue while the initialization completes The background initialization of a redundant virtual disk prepares the virtual disk for parity information and improves write performance It is important that the background initialization is allowed to run to completion You can however cancel the background initialization When you do so the controller restarts the background initialization later Related Links 142 Background Initialization On PERC Controllers Restoring Dead Segments Does my controller support this feature See Supported Features The Restore Dead Segments task recovers data
42. Storage Management enables you to configure the storage components attached to your system These components include RAID and non RAID controllers and the channels ports enclosures and disks attached to them Using Storage Management you can configure and manage the controller functions without accessing the BIOS These functions include configuring virtual disks and applying RAID levels and hot spares for data protection You can initiate many other controller functions like rebuilds troubleshooting setting thresholds Most functions can be configured and managed while the system remains online and continues to process requests Storage Management reports the status of storage components When the status for a component changes Storage Management updates the display for that component and sends an alert to the Alert Log In addition to status changes Storage Management generates alerts for user actions such as creating or deleting a virtual disk and for many other events Most alerts also generate SNMP traps Other than monitoring and reporting status Storage Management does not automatically initiate actions independent of user input Automatic shutdown of enclosures that have exceeded a critical temperature is the only exception For more information on automatic shutdown see SMART Thermal Shutdown Storage Management actions are user initiated using wizards and drop down menus Storage Management does however report the actions taken by t
43. The component may still be functioning but it could fail The component may also be functioning in an impaired state Data loss is possible Critical Failure Error Fatal The component has either failed or failure is imminent The component requires immediate attention and may need to be replaced Data loss may have occurred Related Links Determining The Health Status For Storage Components Storage Properties And Current Activity The Information Configuration page displays information regarding the storage component These properties include details such as the number of connectors channels or ports on a controller or the Enclosure Management Modules EMM firmware version The State and Progress properties display the current activity of a component For example an offline physical disk displays the Offline status while the Progress property displays how close to completion an operation such as a rebuild is The following sections describe the properties for each component e Storage Information And Global Tasks e Battery Properties And Tasks e Connector Properties And Tasks e Enclosure And Backplane Properties And Tasks e Physical Disk Or Physical Device Properties e Physical Disk Or Physical Device Tasks 36 e EMM Properties e Fan Properties e Power Supply Properties e Temperature Probe Properties And Tasks e Virtual Disk Properties And Tasks Alerts Or Events Storage activit
44. Unknown The physical disk or device has failed or is in an unusable state In some cases the physical disk or device can be returned to a usable state by performing a Format Initialize Slow And Fast Initialize task If the Format Initialize Slow And Fast Initialize task does not appear on the physical disk or device drop down menu then this disk or device cannot be recovered Foreign The physical disk has been moved from another controller and contains all or some portions of a virtual disk foreign configuration A physical disk or device that has lost communication with the controller due to a power loss faulty cable or other failure event may also display the Foreign state For more information see Foreign Configuration Operations Unsupported The physical disk or device is using an unsupported technology or it may not be certified by your service provider The physical disk cannot be managed by Storage Management Replacing A Replace Member Disk task is being performed on the physical disk or device For more information see Replacing A Member Disk and Enabling Revertible Hot Spare NOTE You can cancel the copying of data at any time during the execution of this task 122 Non RAD Non RAID disks are exposed to the operating system unlike unconfigured disks and enables usage of disk in direct pass through mode Maximum number of non RAID disks that can be supported on H310 controller are 6
45. You can modify the warning threshold The failure threshold indicates that the temperature of the enclosure has gone below the minimum threshold or exceeded the maximum threshold which may cause data loss You cannot change the default values for the failure threshold Related Links Enclosure Temperature Probes Temperature Probe Properties And Tasks SMART Thermal Shutdown Using Enclosure Temperature Probes Checking The Temperature Of The Enclosure Does my controller support this feature See Supported Features 103 To check the temperature 1 In the Server Administrator window under the system tree click Storage dashboard Expand the tree view until the Temperatures object is displayed Select the Temperatures object The temperature reported by the temperature probe is displayed in celsius in the Reading column in the right pane Related Links Enclosure Temperature Probes Temperature Probe Properties And Tasks SMART Thermal Shutdown Changing The Warning Threshold On The Temperature Probe The temperature probes are listed in the Temperature Probes section To change the temperature probe s warning threshold 1 Select the probes that you want to change Select Set new values in Set New Temperature Probe Values page Type the lowest acceptable temperature in celsius for the enclosure in the Minimum Warning Threshold text box The text box label indicates the range that you can specify 4 Type the highes
46. an Alarm e Which RAID Level is Best For me Why Is A Rebuild Not Working For more information see A Rebuild Does Not Work How To Avoid Removing The Wrong Disk You can avoid removing the wrong disk by blinking the LED display on the disk that you want to remove For information on blinking the LED display e See Blinking And Unblinking A Physical Disk to blink the LED display on a physical disk e See Blinking And Unblinking A Virtual Disk to blink the LED display on all physical disks included in a particular virtual disk If you have already removed the wrong disk see Recovering From Removing The Wrong Physical Disk How Can Safely Remove Or Replace A Physical Disk The following sections provide information related to safely removing a healthy physical disk e For disks that reside in an enclosure use the Preparing To Remove A PCle SSD task to locate the disk within the enclosure and deactivate it prior to removal e For physical disks included in a virtual disk use the Offline task to deactivate the disk prior to removal If you need help locating the disk within the enclosure you can blink LED on the disk Related Links Moving Physical And Virtual Disks From One System To Another Recovering From Removing The Wrong Physical Disk Protecting Your Virtual Disk With A Hot Spare Setting The Physical Disk Online Or Offline Blinking And Unblinking A Physical Disk Replacing A Failed Disk
47. be displayed Connector 0 The Connector section of the page displays the connectors on the controller and the disks attached to each connector Select the disks you want to include in the virtual disk In this example the controller has a single connector with five disks e Physical disk 0 0 e Physical disk 0 1 e Physical disk 0 2 e Physical disk 0 3 e Physical disk 0 4 Physical Disks Selected The Physical Disks Selected section of the page displays the disks you have chosen In this example two disks are selected e Physical disk 0 0 e Physical disk 0 1 Each RAID level has specific requirements for the number of disks that must be selected RAID 10 RAID 50 and RAID 60 also have requirements for the number of disks that must be included in each stripe or span If the controller is a SAS controller with firmware versions 6 1 and later and you selected RAID 10 RAID 50 and RAID 60 the user interface displays the following e All Disks Enables you to select all the physical disks in all the enclosures e Enclosure Enables you to select all physical disks in the enclosure NOTE The All Disks and Enclosure options enable you to edit spans after selecting the physical disks that comprise them You can remove a span and specify a span again with different physical disks before proceeding e Number of Disks per Span Enables you to select the number of disks in each span default 2 This option is available only on SAS
48. cable configuration is valid Refer to the SAS hardware documentation for valid cable configurations If the cable configuration is invalid you may receive alerts 2182 or 2356 For information on alert messages see the Server Administrator Messages Reference Guide Related Links Read And Write Operations Experience Problems System Requirements Make sure that the system meets all system requirements In particular verify that the correct levels of firmware and drivers are installed on the system Related Links Drivers And Firmware 175 Drivers And Firmware Storage Management is tested with the supported controller firmware and drivers In order to function properly the controller must have the minimum required version of the firmware and drivers installed The most current versions can be obtained from the support site NOTE You can verify which firmware and drivers are installed by selecting the Storage object in the tree view and clicking Information Configuration You can also check the Alert Log for alerts relating to unsupported firmware and driver versions It is also recommended to obtain and apply the latest server system BIOS on a periodic basis to benefit from the most recent improvements For more information on server system BIOS see the system documentation Isolate Hardware Problems If you receive a timeout alert related to a hardware device or if you otherwise suspect that a device attached to the system is
49. configured as dedicated hot spare table and returns it to the Connector channel or port table 2 Click Apply Changes when ready To Locate Assign Or Unassign Dedicated Hot Spare In Storage Management 1 Expand the Storage tree object to display the controller objects 2 Expand a Controller object 3 Select the Virtual Disks object 4 Select Assign Dedicated Hot Spare or Unassign Dedicated Hot Spare from the Available Tasks drop down menu 5 Click Execute Virtual Disk Task Replace Member Disk Step 1 of 2 K NOTE This feature is supported only on SAS and SATA controllers with firmware versions 6 1 and later Does my controller support this feature See Supported Features You can copy data from a physical disk which is a member of a virtual disk to another physical disk by providing a Replace Member Configuration option You can initiate multiple copies of data from different array groups The source physical disk should be part of a virtual disk and in the Online state Also the virtual disk should not be fully degraded 159 K NOTE You must also enable the Revertible Hot Spare option to use Replace Member Disk task The destination physical disk should be in the Ready state available to be written to and of the appropriate size and type K NOTE The destination physical disk can also be an available hot spare Related Links Replacing A Member Disk Replacing A Member Disk Step 1 of 2 1 Select
50. disk configured for Write Back changes to Write Through When the last PCle SSD is removed from the Fluid Cache pool the operational cache mode for all Fluid Cache disk changes to Pass Through PCle SSD SubSystem Health Indicates the roll up health status of physical devices The individual health status of the physical devices appears at the respective level Related Links Backplanes Backplane Firmware Version Backplanes PCle SSDs are attached to the PCle SSD backplane of the system The number of supported PCle SSDs depend on the system NOTE PCle SSDs must be used with PCle SSD backplanes Do not plug in SAS SATA devices to a PCle SSD backplane or vice versa Related Links PCle SSD SubSystem Health Backplane Firmware Version The backplane firmware version information is available in the Information Configuration page of the PCle SSD sub system 45 K NOTE The firmware version is the only backplane property supported for PCle SSD Related Links PCle SSD SubSystem Health 46 6 Fluid Cache For DAS Fluid Cache is a server side caching accelerator that makes high speed Express Flash PCle SSD a shared distributed resource Fluid Cache enables the caching of active data working sets from storage closer to the compute tier to enable accelerated response times for latency sensitive customer workloads using Direct Attached Storage DAS external storage architectures The Storage Management application fa
51. e Enclosure Support For enclosure supported tasks see Enclosure And Backplane Features 198 Controller Tasks Supported On The PERC Hardware Controllers Table 47 Controller Tasks Supported On The PERC Hardware Controllers Controller PERC H800 PERC H810 PERCH700 PERCH700 PERCH710 PERCH710P PERC H310 Task Name Adapter Modular Adapter Adapter Integrated Mini Mini Blade Monolithic Mini Mini Blade Monolithic Enable Alarm Ee Alarm ze EE Quiet Alarm Set Background Initialization Rate Set Check Consistency Rate Set Reconstruct Rate Rescan No No No No Controller Create Yes Yes Yes Yes Virtual Disk Export Log Yes Yes Yes Yes File lt bd E lt D E Clear Yes Yes Yes Yes Foreign Configuratio n Foreign uae Import Recover 199 Monolithic Mini Controller PERC H800 PERC H810 PERCH700 PERCH700 PERCH710 PERC H710P PERC H310 Task Name Adapter Adapter Modular Adapter Adapter Adapter Integrated Mini Mini Blade Mini Blade Monolithic Foreign Configuratio Set Patrol Read Mode Start Patrol Read RAID To Non RAID Convert Non RAID To RAID Preview of Foreign Configuratio Hot plug of Enclosures Controller Properties Redundant Path ee Disk Cache Policy Managing Preserved Cache Manage Encryption Key 200 Controller PERC H800 PERC H810 PERC H700 Task Name Adapter Adapter Integrated Persistent Hot
52. experiencing a failure then to confirm the problem e Verify that the cables are correctly connected e Ifthe cables are correctly connected and you are still experiencing the problem then disconnect the device cables and reboot the system If the system reboots successfully then one of the devices may be defective For more information on hardware refer to the hardware device documentation Related Links Read And Write Operations Experience Problems Rescan To Update Information On SCSI Controllers On SCSI controllers use the Rescan controller task to update information for the controller and attached devices This operation may take a few minutes if there are a number of devices attached to the controller If the Rescan does not properly update the disk information you may need to reboot your system Replacing A Failed Disk You may need to replace a failed disk in the following situations e Replacing A Failed Disk That Is Part Of A Redundant Virtual Disk e Replacing A Failed Physical Disk That Is Part Of A Non Redundant Virtual Disk Replacing A Failed Disk That Is Part Of A Redundant Virtual Disk If the failed disk is part of a redundant virtual disk then the disk failure will not result in data loss You must replace the failed disk immediately however as additional disk failures can cause data loss If the redundant virtual disk has a hot spare assigned to it then the data from the failed disk is rebuilt onto t
53. is unusable A dead or orphaned disk segment refers to an area of a physical disk or physical device that is unusable for any of the following reasons e The dead segment is an area of the physical disk or physical device that is damaged e The dead segment is included in a virtual disk but the virtual disk is no longer using this area of the physical disk or physical device e The physical disk or physical device contains more than one virtual disk In this case disk space that is not included in one of the virtual disks may be unusable e The dead segment resides on a physical disk or physical device that has been disconnected and then reconnected to the controller Preparing To Remove Does my controller support this feature See Supported Features Use the Prepare to Remove task to spin down a physical disk or physical device so that it can be safely removed from an enclosure or backplane It is recommended that you perform this task before removing a disk or device to prevent data loss This task causes the LED on the disk to blink You can safely remove the disk or device by following the conditions listed below e Wait for about 30 seconds to allow the disk to spin down e Wait until you notice the initial blink pattern has changed into a different pattern or the lights have stopped blinking A physical disk or physical device is no longer in ready state performing Removing the physical disk or device from the enclosure or backp
54. migration on PERC 5 E and PERC 5 i and SAS 5 iR controllers as long as the required conditions are met SCSI And SAS Controllers Virtual disks can only be migrated to a controller that is using the same technology For example virtual disks on a SCSI controller must be migrated to a SCSI controller and virtual disks on a SAS controller must be migrated to a SAS controller Related Links RAID Controller Technology SCSI SATA ATA And SAS SAS Controller e On SAS controllers you can migrate a virtual disk by moving the physical disks from one controller to another and then importing the foreign configuration on the receiving controller e When moving an enclosure on a SAS controller you can move the enclosure to any connector number and then import the foreign configuration on the receiving controller Related Links Foreign Configuration Operations Migrating SAS Virtual Disks To Another System To migrate virtual disks and volumes from one system to another 1 Turn off the system that the physical disks are being moved from 2 Ifthe receiving controller does not have a pre existing virtual disk configuration then turn off its server 3 Place the physical disks into the new enclosure 4 Start the system connected to the receiving controller 5 Use the Foreign Configuration Operations task to import the migrated virtual disks on the receiving controller K NOTE The Foreign Configuration Operations are not suppo
55. of Physical Disks in a RAID 10 Maximum Number of Physical Disks in a RAID 50 Minimum Number of Physical Disks that can be Concatenated PERC 5 E PERC ai PERC 6 l PERC 6 E PERC ol CERC oi Modular CO 128 K w N ow w N ow N 256 with firmware version 6 1 N gt xz w N w 2 N gl for N ol o N ol ao aa Poy rt gt zZ SH o gt 195 Virtual Disk PERC 5 E PERC 5 I PERC 6 E PERC Gil PERC 6 I CERC ail Specification Modular Minimum Number of Physical Disks ina RAID 0 Minimum Number of Physical Disks in a RAID 1 Minimum Number of Physical Disks in a RAID 5 Minimum Number of Physical Disks in a RAID 10 Minimum Number of Physical Disks in a RAID 50 Maximum Number of Physical Disks in a RAID 6 Maximum Number of Physical Disks in a RAID 60 Minimum Number of Physical Disks in a RAID 6 Minimum Number of Physical Disks in a RAID 60 196 RAID Levels Supported By The PERC BE PERC 6 And CERC 6 I Controllers Table 44 RAID Levels Supported by the PERC AE PERC 6 and CERC 6 Controllers RAID Level PERC 5 E PERC 5 I PERC 6 E PERC Gil PERC ol CERC oi Modular Read Write And Cache Policy Supported By The PERC 5 E PERC 6 And CERC oi Controllers Table 45 Read Write and Cache Policy Supported by the PERC 5 E PERC 6 and CERC 6 I Controllers Read Write PERC 5 E PERC 5 I PERC 6 E PERC 6 I PERC ol CERC 6 I and Cache M
56. on the server that are specific to the operating system Changing the operating system can disable Storage Management To avoid this problem you should uninstall Storage Management before upgrading After you have uninstalled Storage Management and completed the upgrade reinstall Storage Management using the Storage Management install media Virtual Disk Troubleshooting The following sections describe troubleshooting procedures for virtual disks e Replacing A Failed Disk That Is Part Of A Redundant Virtual Disk e A Rebuild Does Not Work e A Rebuild Completes With Errors e Cannot Create A Virtual Disk e Virtual Disk Errors On Systems Running Linux e Problems Associated With Using The Same Physical Disks For Both Redundant And Non Redundant Virtual Disks A Rebuild Does Not Work A rebuild does not work in the following situations e The virtual disk is nonredundant For example a RAID 0 virtual disk cannot be rebuilt because RAID 0 does not provide data redundancy e There is no hot spare assigned to the virtual disk As long as the virtual disk is redundant to rebuild it Remove the failed physical disk and replace it A rebuild automatically starts on the new disk Assign a hot spare to the virtual disk and then perform a rebuild e You are attempting to rebuild onto a hot spare that is too small Different controllers have different size requirements for hot spares e The hot spare ha
57. only if the controller firmware does not meet the minimum requirement Driver Version Displays the version of the driver that is installed on the controller NOTE Storage Management displays Not Applicable on some controllers for which the driver version cannot be obtained 63 DE Minimum Required Driver Version Displays the minimum driver version that is required by Storage Management This property is displayed only if the controller driver does not meet the minimum requirement Number of Connectors Displays the number of connectors on the controller Each connector can be attached to physical disks or an enclosure Depending on the controller type the connector can be either a SCSI channel or a SAS port Rebuild Rate Rebuild rate is the percentage of resources available on a system dedicated to rebuild a failed disk when necessary For more information on rebuild rate see Setting The Rebuild Rate K NOTE The value for the Revertible Hot Spare operation is the same as the value set for the Rebuild Rate property BGI Rate The background initialization BGI rate is the percentage of resources available on a system dedicated to perform the background initialization of a virtual disk after it is created For more information on BGI rate see Setting Background Initialization Rate Check Consistency Rate The check consistency rate is the percentage of resources available on a system dedicated to perform check consistency
58. policy violation then assign the required number of hot spares as defined in the protection policies for the status to be displayed as normal e Hot Spare Protection Policy is not applicable to PERC S100 S110 and 300 controllers Considerations For Enclosure Affinity e Enclosure affinity settings for dedicated hot spare are applicable only on PERC 5 and PERC 6 family of controllers e Enclosure affinity settings for a global dedicated hot spare are not automatically set when you upgrade to version 6 1 Enclosure affinity settings for a global dedicated hot spare are not automatically set when you import a foreign virtual disk Considerations For Hot Spares On PERC 5 E PERC 5 i PERC 6 E PERC 6 I And CERC 6 I Controllers On the PERC 5 E PERC 5 i PERC 6 E PERC 6 I and CERC Gil controllers assigning a hot spare is equivalent to assigning a physical disk to replace another physical disk if it fails lf more than one redundant virtual disk resides on the physical disk then all redundant portions of the physical disk are rebuilt NOTE When rebuilding a physical disk delete any non redundant virtual disks such as RAID 0 that reside on the physical disk before rebuilding the physical disk When creating a virtual disk the physical disks included in the virtual disk can vary in size Ensure that the hot spare must be the same size or greater as the smallest physical disk included in the virtual disk when assigning a hot spare
59. rebuild of a physical disk and then assigning another physical disk as a hot spare does not cause the newly assigned hot spare to rebuild the data Reinitiate the rebuild on the physical disk that was the original hot spare Changing The Virtual Disk Policy Does my controller support this feature See Supported Features The Change Policy task enables you to change the read write or cache policy of a virtual disk Changes to the read write and cache policy only apply to the virtual disk that you have selected This task does not change the policy for all virtual disks on the controller You can also modify the physical disk cache policy using this command Related Links RAID Controller Read Write Cache And Disk Cache Policy Replacing A Member Disk Does my controller support this feature See Supported Features The Replace Member Disk task allows you to copy data from a physical disk which is a member of a virtual disk to another physical disk by providing the Replace Member Configuration option You can initiate multiple copies of data from different array groups Related Links Virtual Disk Task Replace Member Disk Step 1 of 2 Virtual Disk Task Replace Member Disk Step 2 of 2 Clearing Virtual Disk Bad Blocks Does my controller support this feature See Supported Features The Clear Virtual Disk Bad Blocks task enables you to clear bad blocks on your virtual disk This feature is applicable only to PERC H700 H
60. replicated on both disks When a disk fails the virtual disk continues to function This feature provides data redundancy and good read performance but slightly slower write performance Your system must have at least two disks to use RAID 1 Select RAID 5 for striping with distributed parity This selection groups n disks together as one large virtual disk with a total capacity of n 1 disks When a disk fails the virtual disk continues to function This feature provides better data redundancy and read performance but slower write performance Your system must have at least three disks to use RAID 5 Select RAID 6 for striping with additional parity information This selection groups n disks as one large virtual disk with a capacity of n 2 disks Two sets of parity information is alternately stored on all disks The virtual disk remains functional with up to two disk failures Select RAID 10 for striping over mirror sets This selection groups n disks together as one large virtual disk with a total capacity of n 2 disks Data is striped across the replicated mirrored pair disks When a disk fails the virtual disk continues to function The data is read from the surviving mirrored pair disk This feature provides the best failure protection read and write performance Your system must have at least four disks to use RAID 10 2 Inthe Size field type the size of the reconfigured virtual disk The minimum and maximum allowable size i
61. selected physical disk The default values of the virtual disk attributes excluding the RAID level are recommended for the selected RAID level 1 150 In the Name field type a name for the virtual disk The virtual disk name can contain only alphanumeric characters spaces dashes and underscores The maximum length depends on the controller In most cases the maximum length is 15 characters The name cannot start with a space or end with a space It is recommended that you specify a unique name for each virtual disk If you have virtual disks with the same name it is hard to differentiate the generated alerts In the Size field type the size of the virtual disk The virtual disk size must be within the minimum and maximum values displayed near the Size field In some cases the virtual disk is slightly larger than the size you specify The Create Virtual Disk Wizard adjusts the size of the virtual disk to avoid rendering a portion of the physical disk space unusable E NOTE If a physical disk is receiving a SMART alert it cannot be used in a virtual disk NOTE For a controller that has more than one channel it may be possible to configure a virtual disk that is channel redundant Depending on the RAID level you selected and the virtual disk size this page displays the disks and connectors channels or ports available for configuring the virtual disk K NOTE The Size field displays the default size of the virtual disk depe
62. service provider After you hot plug or hot reconfigure an enclosure refresh the left tree to display the change in status and configuration a system reboot is not required NOTE Storage Management does not allow hot removal of enclosures Reboot the system to effect this change in Storage Management Storage Management notifies you of enclosure status changes through alerts that are displayed in the Alert Log The following sections provide more information on the enclosure components and management features provided by Storage Management e SMART Thermal Shutdown e Enclosure Physical Disks e Enclosure Fans e Enclosure Power Supplies e Enclosure Temperature Probes e Enclosure Management Modules EMMs e Enclosure And Backplane Health 93 e Enclosure And Backplane Properties And Tasks SMART Thermal Shutdown Does my enclosure support this feature See Supported Features Enclosure management provides a feature which automatically shuts down the operating system and turns off the server and enclosure when the temperature of the enclosure drops below the minimum threshold value or exceeds the maximum threshold value The temperature when shutdown occurs is determined by the Minimum Failure Threshold and the Maximum Failure Threshold value These thresholds are default settings that cannot be changed NOTE Thermal shutdown does not apply to the LSI PCI e U320 controllers and any SAS or SATA internal or
63. system has encountered a failure and is operating in a degraded state Failed The sub system has encountered a failure and is no longer functioning Number of Extender Cards Displays the number of extender cards in the sub system Each extender card can be attached to physical disks or an enclosure The extender card must be a PCle SSD port Available Reports Allows you to view the Slot Occupancy report For more information see Available Reports PCle Extender Cards The PCle extender card is attached to the backplane of the system and provides PCle connectivity for up to four PCle SSD devices at the front of the chassis K NOTE The PCle extender card does not have any properties or tasks Table 4 PCle Extender Card Displays the name of the extender card Displays the status of the extender card Possible values are Ready The extender card is functioning normally Degraded The extender card has encountered a failure and is operating in a degraded state Failed The extender card has encountered a failure and is no longer functioning Related Links What Is PCle SSD Physical Device Properties You can view information about PCle SSDs and run PCle SSD tasks on the Physical Device Properties page To view the complete PCle SSD properties click Full View on the top of the page 40 The following table lists the physical device properties for PCle SSD Table 5 Physical Device Properties D
64. system or controller performance The controller automatically performs TLC on the battery to calibrate and gauge its charge capacity once every 90 days The operation can be performed manually if required Initiating The Battery Delay Learn Cycle Does my controller support this feature See Supported Features The controller firmware automatically initiates the battery learn cycle every 90 days Although you cannot stop the firmware from running the learn cycle you can delay the start time of the learn cycle for up to seven days Related Links Starting A Learn Cycle RAID Controller Batteries Delay The Battery Learn Cycle 1 Type a numerical value in the Days text box The value must be within the 0 7 range The value indicates the number of days for which you want to delay the battery learn cycle The learn cycle can be delayed for a maximum of seven days 2 Type a numerical value in the Hours text box The value must be within the 0 23 range The value indicates the number of hours for which you want to delay the battery learn cycle 3 Click Apply Changes To exit and cancel your changes click Go Back To Battery Information Page To Locate Delay Learn Cycle In Storage Management To locate this task in Storage Management 1 In the Server Administrator window under the system tree expand the Storage to display the controller objects 2 Expand the controller object 3 Select the Battery object 117 4 Select Delay
65. the physical disks present in the virtual disk The possible values are HDD SSD Unknown Storage Management is unable to determine the media type of the physical disk K NOTE You cannot have a mix of HDD and SSD media on a virtual disk Also you cannot have a mix of SAS and SATA drives on the virtual disk Read Policy Displays the read policy that the controller is using for the selected virtual disk See RAID Controller Read Write Cache and Disk Cache Policy Write Policy Displays the write policy that the controller is using for the selected virtual disk See RAID Controller Read Write Cache and Disk Cache Policy Cache Policy Displays the cache policy that the controller is using for the selected virtual disk See RAID Controller Read Write Cache and Disk Cache Policy Stripe Size Displays the stripe size of the virtual disk Disk Cache Policy Displays whether the disk cache policy of the physical disks that is part of the virtual disk is enabled or disabled See RAID Controller Read Write Cache and Disk Cache Policy Virtual Disk Tasks To execute a virtual disk drop down menu task 1 In the Server Administrator window under the system tree expand Storage to display the controller objects 2 Expand a Controller object 3 Select the Virtual Disks object 4 Select a task from the Available Tasks drop down menu 5 Click Execute K NOTE Different controllers support different features T
66. the threshold value which is 90 percent Warranty Coverage Expired The drive has reached the TBW threshold and met the life expectancy specification The drive is functional as the number of spare blocks available are still above the threshold for entering the read only mode But the specified data retention period amount of time that data can be read from the drive after TBW is reached drops if TBW specification is exceeded and the warranty for the drive expires The warranty coverage for the drive expires if the value for percent lifetime used is equal to 100 percent and that for write protect progress is less than 100 percent Approaching Read Only The drive is running out of spare sectors and is reaching the read only mode However the health status of the drive is good and data retention is unaffected The drive is stated to be approaching the read only mode if the value for percent lifetime used is less than 100 percent and that for write protect progress is greater than or equal to 90 percent Read Only The drive is in read only mode Users must save open files if any to another device and replace or remove the device If this scenario occurs within three 41 Driver Version years of the device installation this failure is covered under warranty The drive is in read only mode if the value for percent lifetime used is less than 100 percent and that for write protect progress is equal to 90 percent Displa
67. they read and write data and execute tasks It is helpful to understand these features to most efficiently manage the storage The following sections describe the supported controllers and their features RAID Controller Technology SCSI SATA ATA And SAS Storage Management supports RAID controllers using SCSI SATA ATA and SAS technology This section indicates which technology the supported RAID controllers use For more information on these controllers see Supported Features and the controller hardware documentation SAS RAID Controllers The following RAID controllers use Serial Attached SCSI SAS technology e PERC DE e PERC 5 i Integrated e PERC 5 i Adapter e SAS 5 iR Integrated e SAS 5 iR Adapter e PERC GIE e PERC 6 I controller family 57 e SAS 6 iR controller family e PERC S100 S110 and S300 controllers e PERC H200 H700 and H800 controllers e PERC H310 Adapter PERC H310 Mini Monolithic PERC H310 Mini Blades PERC H710 Adapter PERC H710 Mini Blades PERC H710 Mini Monolithic PERC H710P Adapter PERC H710P Mini Blades PERC H710P Mini Monolithic and PERC H810 Adapter controllers RAID Controller Features Different controllers have different features If you have more than one controller attached to your system you may notice that the tasks displayed on the Information Configuration page of the controller are different for each controller Controllers may also have differences in their read write and
68. this situation take the following actions to restore the maximum data possible 1 Back up the degraded virtual disk onto a fresh unused tape drive Ifthe backup is successful If the backup completes successfully then the user data on the virtual disk has not been damaged In this case you can continue with step 2 Ifthe backup encounters errors If the backup encounters errors then the user data has been damaged and cannot be recovered from the virtual disk In this case the only possibility for recovery is to restore from a previous backup of the virtual disk 2 Perform a Check Consistency on the virtual disk that you have backed up onto a tape drive 3 Restore the virtual disk from the tape drive onto healthy physical disks Cannot Create A Virtual Disk You may be attempting a RAID configuration that is not supported by the controller Check the following e How many virtual disks already exist on the controller Each controller supports a maximum number of virtual disks e ls there adequate available space on the disk The physical disks that you have selected for creating the virtual disk must have an adequate amount of free space available e The controller may be performing other tasks such rebuilding a physical disk that must run to completion before the controller can create the new virtual disk Related Links Number Of Virtual Disks Per Controller A Virtual Disk Of Minimum Size Is Not Visible To Wi
69. with Yes with Yes with Member firmware 6 1 firmware 6 1 firmware 6 1 and later and later and later rie 4 Foreign Yes with Yes with Yes with Configuration firmware 6 1 firmware 6 1 firmware 6 1 and later and later and later Yes with Yes with Yes with firmware 6 1 firmware 6 1 firmware 6 1 and later and later and later Import Preview No of Foreign Configuration 190 Controller Task PERC 5 E PERC 5 I PERC 6 E PERC Gil PERC ol CERC oi Name Modular Hot plug of No Yes with Enclosures firmware 6 1 and later Change No Yes with Yes with Yes with Controller firmware 6 1 firmware 6 1 firmware 6 1 Properties and later and later and later Intelligent No Yes with Yes with Yes with Mirroring firmware 6 1 firmware 6 1 firmware 6 1 and later and later and later Redundant No Yes with Path firmware 6 1 Configuration and later i Yes Yes Yes Managing No Yes with Yes with Yes with Preserved firmware 6 1 firmware 6 1 firmware 6 1 Cache and later and later and later Controller Reports Patrol Read Yes Yes Yes Yes Yes Yes Report Check Consistency Slot Occupancy Physical Disk Firmware Version Report Battery Tasks Supported On The PERC 5 E PERC 6 And CERC 6 I Controllers Table 39 Battery Tasks Supported on the PERC 5 E PERC 6 and CERC 6 I Controllers Pl Task PERC 5 E PERC 5 i PERC 6 E PERC 6 I PERC one CERC ES Pl PS Recondition Battery Start Learn Cycle Delay Learn Yes Yes Yes Yes Yes Cycle 191
70. with up to two disk failures The data is reconstructed from the surviving disks e Better read performance but slower write performance e Increased redundancy for protection of data e Two disks per span are required for parity RAID 6 is more expensive in terms of disk space RAID Level 50 Striping Over RAID 5 Sets RAID 50 is striping over more than one span of physical disks For example a RAID 5 disk group that is implemented with three physical disks and then continues on with a disk group of three more physical disks would be a RAID 50 It is possible to implement RAID 50 even when the hardware does not directly support it In this case you can implement more than one RAID 5 virtual disks and then convert the RAID 5 disks to dynamic disks You can then create a dynamic volume that is spanned across all RAID 5 virtual disks 29 RAID 50 characteristics e Groups 7 sdisks as one large virtual disk with a capacity of s 7 1 disks where sis the number of spans and o is the number of disks within each span e Redundant information parity is alternately stored on all disks of each RAID 5 span e Better read performance but slower write performance e Requires as much parity information as standard RAID 5 e Data is striped across all spans RAID 50 is more expensive in terms of disk space RAID Level 60 Striping Over RAID 6 Sets RAID 60 is striping over more than one span of physical disks that are configured as a RAID 6 For e
71. 16 Virtual Disk Specifications For The PERC 100 PERC 110 And S300 Controllers Table 68 Virtual Disk Specifications for the PERC 100 PERC 110 and 300 Controllers Virtual Disk Specification PERC S100 PERC S110 PERC S300 Maximum Number of Virtual Disks per Controller Minimum Virtual Disk Size Virtual Disk Size mue o mu ome Maximum Virtual Disk ee eee Maximum Number of E per Virtual Disk Maximum Number of Physical Disks per Span Minimum Stripe Size Minimum Stripe Size Size eak K ak K ak K Maximum Maximum Stripe Size Maximum Stripe Size ak pe mx pe ak pe Maximum Number of Virtual E per Physical Disk Maximum Number of Physical Disks that Can Be Concatenated Maximum Number of Physical Disks in a RAID 0 Maximum Physical Disks in a 2 2 2 RAID 1 Maximum Number of Physical Disks in a RAID 5 Maximum Number of Physical Disks in a RAID 10 Minimum Number of Physical NA NA NA Disks that Can Be Concatenated Minimum Number of Physical 2 2 2 Disks in a RAID 0 Minimum Number of Physical 2 2 2 Disks in a RAID 1 Minimum Number of Physical 3 3 3 Disks in a RAID 5 Minimum Number of Physical Disks in a RAID 10 217 RAID Levels Supported By The PERC S100 PERC 110 And S300 Controllers Table 69 RAID Levels Supported by the PERC 100 PERC 110 and 300 Controllers es RAID 6 RAID 60 Read Write Cache And Disk Cache Policy Supported By The PERC S100 PERC 110 And
72. 4 Modular 213 Virtual Disk Specification SAS 5 IR SAS 6 iR PERC H200 Maximum Physical Disks in a RAID 2 1 Maximum Number of Physical Disks NA NA ina RAID 5 Maximum Number of Physical Disks 10 Adapter in a RAID 10 10 Integrated Maximum Number of Physical Disks in a RAID 50 Minimum Number of Physical Disks that Can Be Concatenated Minimum Number of Physical Disks ina RAID 0 Minimum Number of Physical Disks ina RAID 1 gt gt 2 2 2 2 2 2 gt Minimum Number of Physical Disks ina RAID 5 Minimum Number of Physical Disks in a RAID 10 Minimum Number of Physical Disks in a RAID 50 Maximum number of physical disks ina RAID 6 Maximum number of physical disks in a RAID 60 Minimum number of physical disks ina RAID 6 Minimum number of physical disks in a RAID 60 Maximum number of disks in configured state part of a virtual disk or hot spares gt gt gt NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA gt 214 Read Write And Cache Policy Supported By The SAS 5 iR SAS 6 iR And H200 Controllers Table 63 Read Write and Cache Policy Supported by the SAS 5 iR SAS 6 iR and H200 Controllers e Write and Cache SAS 5 IR SAS 6 iR PERC H200 olicy Cache settings Read Policy Read Ahead Enabled Adaptive Read Ahead No Read Ahead Disabled Enabled Always Write Cache Enabled Protected Disk Cache Policy Cache 1 0
73. 4 You can perform the following tasks on the Non RAID disks e Identified as locate option e Execute a blink or unblink operation e Select the disk as a bootable device You cannot perform the following tasks on the disk Force disk offline or online Select as part of a virtual disk Assign a hot spare Choose as source or target for rebuild copyback replace member or reconstruct Spun down to save power Select as a bootable device Certified Displays whether the physical disk or device is certified by your service provider Mirror Set ID Displays the mirror set ID of the member physical disk or device that has duplicated data from another physical disk or device Displays the capacity of the disk Failure Predicted Displays whether the physical disk or device has received a SMART alert and is therefore predicted to fail For more information on SMART predictive failure analysis see Monitoring Disk Reliability On RAID Controllers For information on replacing the physical disk see Replacing A Physical Disk Receiving SMART Alerts You may also want to review the alert log to see whether the physical disk or device has generated alerts pertaining to a SMART predictive failure These alerts can assist you in identifying the cause of the SMART alert The following alerts may be generated in response to a SMART alert 2094 2106 2107 2108 2109 2110 2111 For information on alert messages see the Server Administrator
74. 710 Adapter PERC H710 Mini Blades PERC H710 Mini Monolithic PERC H710P Adapter PERC H710P Mini Blades PERC H710P Mini Monolithic PERC H800 and PERC H810 Adapter family of controllers Encrypting A Virtual Disk Does my controller support this feature See Supported Features 144 The Encrypt Virtual Disk task encrypts an unencrypted virtual disk This feature is only applicable to controllers that e Are encryption capable PERC H700 PERC H710 Adapter PERC H710 Mini Blades PERC H710 Mini Monolithic PERC H710P Adapter PERC H710P Mini Blades PERC H710P Mini Monolithic PERC H800 and PERC H810 Adapter family of controllers e Have an Encryption Key e Have Self Encryption Drives SEDs virtual disks Create Virtual Disk Express Wizard Does my controller support this feature See Supported Features The Create Virtual Disk Wizard allows you to select the wizard type and the RAID level The Create Virtual Disk Express Wizard calculates the appropriate virtual disk configuration based on the available space and controller considerations To make your own selections for the virtual disk configuration select the Advanced Wizard option Before creating a virtual disk you should be familiar with the information in Considerations Before Creating Virtual Disks You may also want to review Choosing RAID Levels And Concatenation To create a virtual disk using the Create Virtual Disk Express Wizard 1 Onthe left hand side of the
75. C oO OTS a EE a E sna vatesiaelvcvics agiastecsbes ees SAS Controller Migrating SAS Virtual Disks To Another System 16 Protecting Your Virtual Disk With A Hot Spare Understanding Hot Spares ENEE Setting Hot Spare Protection Bolten Dedicated Hot Spare Protection Bolten Global Hot Spare Protection Policy Considerations For Hot Spare Protection Polen Considerations For Enclosure Affmfty EE Considerations For Hot Spares On PERC DE PERC 5 i PERC GIE PERC 6 1 And CERC 6 I Controllers 167 Dedicated Hot Spare Considerations EE 168 Considerations For Hot Spares On PERC S100 And PERC S300 Controllers AE 168 Size Requirements For Global Hot Spares On S100 And S300 Controllers E 168 Global Hot Spare Considerations On A SAS DIR 168 17 CacheCade Using Solid State Drives Managing The CacheCade CacheCade Propertie Sismi aniani nidii aana aada ia iaa Tiaa Taara dadana iaa 172 Creating A Cache Cadea e ae e arae a ae aaa aeaa a Aaaa aeaa aaae aiea ankeaa 172 Resizing The Cache Cad NE A EE T E A A 173 Renaming The th tzadg eege a a ea e Seet ads AE aaa aaan 173 Blinking And Unblinking The Cachet ade NEEN 173 Deleting The CacheCade 18 THOUDIG SIO QUIN EE 175 Common Troubleshooting Procedures EE 175 Cabes Attached Correctly sci 2cats cssde a a axsevele aE e aa a E AAEE 175 System Requirements ees aaar aeaa ESA Eden 175 Drivers And Firmware Isolate Hardware Problems AEN 176 Rescan To Update Informat
76. Cle solid state device SSD is a high performance storage device designed for solutions requiring low latency high Input Output Operations per Second IOPS and enterprise class storage reliability and serviceability The PCle SSD is designed based on Single Level Cell SLC NAND flash technology with a high speed PCle 2 0 compliant interface The high speed PCle 2 0 compliant interface helps improve performance for 1 0 bound solutions PCle SSD Features Following are the key features of PCle SSD e Hot plug capability e High performance device e Support for 2 5 inch HDD Form Factor PCle SSD Sub System Properties The PCle SSD sub system comprises of the following components e Backplane e Extender Card e PCle Solid State Device Table 3 PCle SSD Sub System Properties Displays the sub system ID assigned to the PCle SSD sub system by Storage Management Storage Management numbers the controllers and PCle SSD sub systems attached to the system starting with zero This number is the same as the PCle SSD sub system ID number reported by the omreport command For information on Command 39 Line Interface see the Server Administrator Command Line Interface User s Guide NOTE In CLI commands the PCle SSD sub system ID is displayed as the controller ID Displays the name of the sub system Displays the status of the sub system Possible values Ready The sub system is functioning normally Degraded The sub
77. Clustered Indicates that the enclosure is operating in cluster mode Clustered mode is only available on cluster enabled RAID controllers For more information see Background Initialization On PERC Controllers For more information on joined split and cluster modes see the enclosure hardware documentation For information on how to cable the enclosure to accommodate these different modes see the enclosure hardware documentation The bus configuration switch when toggled on a 220S or 221S enclosure the enclosure should be turned off For more information see Changing The Mode On 220S And 221S Enclosures Older 200S enclosures with a version 1 8 kernel that only have one EMM may display Split Bus mode and not Joined Bus mode Joined Bus or Clustered modes may display when applicable in these circumstances Firmware Version Displays the version of the enclosure firmware K NOTE For systems supporting multiple backplanes the firmware version appears as upstream and downstream versions Service Tag Displays the enclosure Service Tag The enclosure is identified by a unique Service Tag number This information is used to route support calls to the appropriate personnel Express Service Code The enclosure is identified by a unique Express Service Code number This information is used to route support calls to the appropriate personnel Asset Tag Displays the asset tag information for the enclosure You can change this pr
78. Controller e Creating A Virtual Disk e Enabling The Controller Alarm e Disabling The Controller Alarm e Turning Off The Controller Alarm e Testing The Controller Alarm e Setting The Rebuild Rate e Resetting Configuration e Exporting The Controller Log File e Foreign Configuration Operations e Importing Foreign Configurations e Importing Or Recovering Foreign Configurations e Clearing Foreign Configuration e Setting Background Initialization Rate e Setting Check Consistency Rate 66 e Setting The Reconstruct Rate e Setting The Patrol Read Mode e Starting And Stopping Patrol Read e Managing The Preserved Cache e Changing The Controller Properties e Managing The Physical Disk Power e Managing The Encryption Key e Converting To RAID Capable Disks e Converting To Non RAID Disks Rescanning The Controller Does my controller support this feature See Supported Features On SCSI controllers a rescan updates configuration changes such as new or removed devices for all components attached to the controller For information on when to perform a rescan see Rescanning To Update Storage Configuration Changes NOTE Rescan controller is not supported on non RAID SCSI controllers You must reboot the system before Storage Management can display configuration changes on non RAID SCSI controllers Otherwise configuration changes are not reflected in the Storage M
79. Controller Properties drop down menu Related Links Changing The Controller Properties Setting The Redundant Path Configuration Does my Controller Support This Feature See Supported Features Redundant path is supported only on external PERC cards that use firmware version 6 1 and later A redundant path internal to the system is not supported MD1xxx enclosures are supported For redundant paths the enclosure must be in the Unified mode however specific port connections are not required A connection from either controller ports to either EMM In ports creates the redundant path as long as two cables are used But Redundant Path continues to appear in the field even as the redundant path is removed The redundant path ceases to appear only when itis cleared in the storage management In a daisy chain scenario more than one enclosure can be connected to a controller in a redundant path mode You can connect up to three MD1000 and MD1120 to a PERC 6 E controller in a daisy chain enclosure You can connect up to four MD1200 and MD1220 to a PERC H800 and PERC H810 controller in a daisy chain enclosure For an example of a daisy chain configuration for PERC 6 E controller see the following image H the communication channel between the connector and the first enclosure is lost the redundant path configuration is lost In this case the health of the logical connector is displayed as critical Navigate to the Information Configuration 79
80. Direct HO Enclosure Support On The SAS 5 iR SAS 6 iR And H200 Controllers Table 64 Enclosure Support on the SAS 5 iR SAS 6 iR and H200 Controllers Enclosure Support SAS 5 IR SAS 6 iR PERC H200 Can an enclosure be No No attached to this controller Supported Features On The PERC 100 PERC 110 And 300 Controllers This section identifies the controller supported features and whether or not an enclosure can be attached to the controller e Controller Tasks e Physical Disk Tasks 215 e Virtual Disk Tasks e Virtual Disk Specifications e Supported RAID Levels e Read Write Cache And Disk Cache Policy e Enclosure Support Controller Tasks Supported On The PERC S100 PERC S110 And S300 Controllers Table 65 Controller Tasks Supported On The PERC S100 PERC 110 and 300 Controllers Controller Task Name PERC S100 PERC S110 PERC S300 Physical Disk Tasks Supported By The PERC S100 PERC S110 And 300 Controllers Table 66 Physical Disk Tasks Supported by the PERC S100 PERC S110 and S300 Controllers Physical Disk Task Name PERC S100 PERC S110 PERC S300 Blink Unblink No Yes DREES Assign and Unassign Yes Global Hot Spare Virtual Disk Tasks Supported By The PERC 100 PERC S110 And S300 Controllers Table 67 Virtual Disk Tasks Supported by the PERC 100 PERC S110 and S300 Controllers Dedicated Hot Spare Advanced Wizard Express Wizard Delete any Virtual Disk Yes Yes 2
81. Disks When creating a virtual disk it is possible to use disks attached to different channels to implement channel redundancy This configuration might be used for disks that reside in enclosures subject to thermal shutdown NOTE Channel redundancy only applies to controllers that have more than one channel and that attach to an external disk enclosure Related Links SMART Thermal Shutdown Channel Redundancy And Thermal Shutdown Creating A Channel Redundant Virtual Disk Creating Virtual Disks Does my controller support this feature See Supported Features In order to implement RAID functions you must create a virtual disk A virtual disk refers to storage created by a RAID controller from one or more physical disks Although a virtual disk may be created from several physical disks it is seen by the operating system as a single disk Before creating a virtual disk you should be familiar with the information in Considerations Before Creating Virtual Disks Storage Management provides wizards to help you create a virtual disk e The Create Virtual Disk Express Wizard calculates an appropriate virtual disk layout based on the available space and controller considerations Using this wizard you can quickly create a virtual disk using recommended selections 134 e The Create Virtual Disk Advanced Wizard allows you to specify the read write and cache policy for the virtual disk You can also select the physical disks and th
82. ERC H310 Mini Monolithic PERC H310 Mini Blades PERC H700 PERC H710 Adapter PERC H710 Mini Blades PERC H710 Mini Monolithic PERC H710P Adapter PERC H710P Mini Blades PERC H710P Mini Monolithic PERC H800 and PERC H810 Adapter controllers if any of the selected physical drives are in the spun down state the system displays a message that indicates the IDs of the spun down drives and the delay in executing tasks on them K NOTE For PERC H310 Adapter PERC H310 Mini Monolithic PERC H310 Mini Blades PERC H700 PERC H710 Adapter PERC H710 Mini Blades PERC H710 Mini Monolithic PERC H710P Adapter PERC H710P Mini Blades PERC H710P Mini Monolithic PERC H800 and PERC H810 Adapter controllers if the disk group has free space available you can expand the virtual disk capacity To expand virtual disk capacity click Expand Capacity Click Continue to go to the next page or Exit Wizard if you want to cancel Related Links Channel Redundancy And Thermal Shutdown To locate Reconfigure In Storage Management a YO N 152 In the Server Administrator window under the system tree expand Storage to display the controller objects Expand a controller object Select the Virtual Disks object Select Reconfigure from the Available Tasks drop down box 5 Click Execute Virtual Disk Task Reconfigure Step 2 of 3 Does my controller support this feature See Supported Features The virtual disk reconfigure Step 2 page enables yo
83. ID Controller Read Write Cache And Disk Cache Policy e Check consistency A check consistency determines the integrity of the redundant data on a virtual disk When necessary this feature rebuilds the redundant information See Maintaining The Integrity Of Redundant Virtual Disks e Patrol Read Patrol read identifies disk errors to avoid disk failures data loss or corruption For more information see Setting The Patrol Read Mode e Disk migration or foreign configurations Some controllers enable you to move physical disks that contain one or more virtual disks to another controller The receiving controller is able to recognize and import the foreign configuration virtual disks For more information see Foreign Configuration Operations Controller Supported RAID Levels RAID controllers may support different RAID levels For information on supported RAID levels for a controller see Supported Features Controller Supported Stripe Sizes When creating a virtual disk you must specify the stripe size for the virtual disk Different controllers have different limitations on the stripe sizes they can support For information on the supported stripe sizes for a controller see the virtual disk specifications section for the controller in Supported Features 58 RAID Controller Read Write Cache And Disk Cache Policy When creating a virtual disk you can specify the read write and cache policies for the
84. Properties These icons represent the severity or health of the storage component For more information see Storage Component Severity es WV Normal OK T Waring Non critica Q Critical Failure Error Smart Thermal Shutdown Displays whether thermal shutdown is enabled or disabled For more information see Enabling Or Disabling A Smart Thermal Shutdown Global Tasks To execute a global task select a task from the Global Tasks drop down menu and click Execute The available tasks in the Global Tasks drop down box are e Performing A Global Rescan e Enabling Or Disabling A Smart Thermal Shutdown e Setting Hot Spare Protection Policy Performing A Global Rescan A global rescan updates configuration changes such as new or removed devices for all SCSI controllers and their attached components For information on global rescan see Rescanning To Update Storage Configuration Changes 53 K NOTE Global Rescan is not supported on non RAID controllers You must reboot the system before Storage Management can display the configuration changes on non RAID SCSI controllers K NOTE The Global Rescan task updates the configuration changes in the Information Configuration page To update the tree view click the server name which is displayed above the tree view To globally rescan 1 Inthe Server Administrator window under the System tree expand Storage 2 Click Information Configuration o
85. RC S100 and S300 controllers if there is free space available on the global hot spare it continues to function as a spare even after replacing a failed physical disk Global hot spares must be assigned and unassigned manually They are not assigned to specific virtual disks If you want to assign a hot spare to a virtual disk it replaces any physical disk that fails in the virtual disk then use the Assign and Unassign Dedicated Hot Spare 127 K NOTE When deleting virtual disks all assigned global hot spares may be automatically unassigned when the last virtual disk associated with the controller is deleted When the last virtual disk of a disk group is deleted all assigned dedicated hot spares automatically become global hot spares K NOTE For PERC H310 H700 H710 H710P H800 and H810 controllers if any of the drives you selected are in the Spun Down state the following message is displayed The current physical drive is in the spun down state Executing this task on this drive takes additional time because the drive needs to spun up You should be familiar with the size requirements and other considerations associated with hot spares Related Links Protecting Your Virtual Disk With A Hot Spare Considerations For Hot Spares On PERC 5 E PERC 5 i PERC GIE PERC 6 I And CERC 6 I Controllers Considerations For Hot Spares On PERC S100 And PERC S300 Controllers Global Hot Spare Considerations On A SAS 6 iR Sett
86. SSD from the system This task causes the status LEDs on the device to blink You can safely remove the device from the system under the following conditions after you initiate the Prepare to Remove task e The PCle SSD is blinking the safe to remove LED pattern e The PCle SSD is no longer accessible by the system Exporting The Log The log contains debug information of the PCle SSD and can be useful for troubleshooting You can export the reliability log from the Physical Device Available Tasks drop down list Adding PCle SSDs To Fluid Cache Pool You can configure or increase the capacity of the Fluid Cache pool by adding PCle SSDs To add a PCle SSD to a cache pool 1 In the Server Administrator window under the system tree expand Storage to display the controller objects 2 Expand the PCle SSD SubSystem object 3 Expand the Enclosure Backplane object 4 Expand the Physical Devices object The Physical devices on PCle SSD SubSystem page is displayed with the available list of physical disks 5 From the list of Tasks corresponding to the physical disk to which you want to add the PCle SSD select the Add to Cache Pool option 6 Click Execute to add the PCle SSD The following message is displayed Data present on the device will be lost Are you sure you want to proceed NOTE When the device is part of the cache pool the tasks Full Initialization and Prepare to Remove are not displayed in the Tasks drop down list 7
87. Server Administrator Storage Management Notes Cautions and Warnings K NOTE A NOTE indicates important information that helps you make better use of your computer CAUTION A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem A WARNING A WARNING indicates a potential for property damage personal injury or death Copyright 2013 Dell Inc All Rights Reserved Trademarks used in this text Dell the Dell logo Dell Boom Dell Precision OptiPlex Latitude PowerEdge PowerVault PowerConnect OpenManage EqualLogic Compellent KACE FlexAddress Force10 and Vostro are trademarks of Dell Inc Intel Pentium Xeon Core and Celeron are registered trademarks of Intel Corporation in the U S and other countries AMD is a registered trademark and AMD Opteron AMD Phenom and AMD Sempron are trademarks of Advanced Micro Devices Inc Microsoft Windows Windows Server MS DOS Windows Vista and Active Directory are either trademarks or registered trademarks of Microsoft Corporation in the United States and or other countries Red Hat Enterprise Linux and Enterprise Linux are registered trademarks of Red Hat Inc in the United States and or other countries Novell is a registered trademark and SUSE is a trademark of Novell Inc in the United States and other countries Oracle is a registered trademark
88. Server Administrator page expand Storage Click on the lt PERC Controller gt Click on Virtual Disks The Virtual Disk s on Controller lt Controller Name gt page is displayed 4 Click Go to the Create Virtual Disk Wizard The Create Virtual Disk Wizard Step 1 lt Controller Name gt page is displayed 5 Select the Express Wizard option and the RAID level from the drop down list Depending on the controller Concatenated enables you to combine the storage capacity of several disks or to create a virtual disk using a single physical disk For more information about the number of supported physical disks when using Concatenated see Number Of Physical Disks Per Virtual Disk Concatenated does not provide data redundancy or affect the read write performance Select RAID 0 for striping This selection groups o disks together as a large virtual disk with a total capacity of n disks Data is alternately stored in the disks so that they are evenly distributed Data redundancy is not available in this mode Read write performance is enhanced Select RAID 1 for mirroring disks This selection groups two disks together as one virtual disk with a capacity of one single disk The data is replicated on both disks When a disk fails the virtual disk continues to function This feature provides data redundancy and good read performance but slightly slower write performance The system must have at least two physical disks to use RAID 1 Select RAID 5 fo
89. State 226 Health Status Rollup Virtual Disk Is Degraded Physical Disks Are Failed Or Rebulding 227 Health Status Rollup Virtual Disk Is Fale 227 Health Status Rollup Unsupported Firmware Version 227 Health Status Rollup Enclosure Power Supply Failed Or Power Connection Removed E 228 Health Status Rollup One Enclosure Fan Is Failed Health Status Rollup One Enclosure EMM Is Failed Health Status Rollup One Enclosure Temperature Probe Is Fale EEN 229 Health Status Rollup Lost Both Power Connections To The Enclosure 229 Health Status Rollup One Or More Physical Disks Are Fale 229 Health Status Rollup Physical Disk Is Rebulding ENEE 230 Overview Server Administrator Storage Management provides enhanced features for configuring the locally attached RAID and non RAID disk storage on a system Storage Management enables you to perform controller and enclosure functions for all supported RAID and non RAID controllers and enclosures from a single graphical user interface GUI or command line interface CLI The GUI is wizard driven and includes features for novice and advanced users The CLI is fully featured and scriptable Using Storage Management you can protect your data by configuring data redundancy assigning hot spares or rebuilding failed physical disks All users of Storage Management should be familiar with their storage environment and Storage Management Storage Management supports SCSI SATA ATA and SAS but not Fibr
90. Table 74 Connector Tasks Supported on the Non RAID Controllers Connector Task Name Non RAID SCSI Non RAID SAS omg s Ji Ji Physical Disk Tasks Supported On The Non RAID Controllers Table 75 Physical Disk Tasks Supported on the Non RAID Controllers Physical Disk Task Name Non RAID SCSI Non RAID SAS Assign and Unassign Global Hot Spare oie 220 Physical Disk Task Name Non RAID SCSI Non RAID SAS SE LEE EE Virtual Disk Tasks Supported By The Non RAID Controllers Table 76 Virtual Disk Tasks supported by the Non RAID Controllers Virtual Disk Task Name Non RAID SCSI Non RAID SAS Assign and Unassign Dedicated Hot Spare Create Virtual Disk Create Virtual Disk Advanced Wizard Create Virtual Disk Express Wizard Rename Blink Unblink Reconfigure Change Policy Split Mirror Unmirror Delete Last Virtual Disk Delete any Virtual Disk Check Consistency Cancel Check Consistency Pause Check Consistency Resume Check Consistency Cancel Background Initialization BGI Format Virtual Disk Cancel Format Virtual Disk Restore Dead Disk Segments Initialize Virtual Disk Fast Initialize Virtual Disk Slow Initialize Virtual Disk Cancel Initialize Virtual Disk 221 Enclosure Support On The Non RAID Controllers Table 77 Enclosure Support on the Non RAID Controllers Enclosure Support Non RAID SCSI Non RAIDSAS O RAID SAS Can an enclosure be attached to this controller Enclosure And Backp
91. The Set Reconstruct Rate task changes the amount of system resources dedicated for the reconstruct task The reconstruct task recreates the virtual disk after you have changed the RAID level or reconfigured the virtual disk The reconstruct rate configurable between 0 and 100 represents the percentage of the system resources dedicated for running the reconstruct task At 0 the reconstruct has the lowest priority for the controller takes maximum time to complete and has least impact to system performance A reconstruct rate of 0 does not mean that the reconstruct is stopped or paused At 100 the reconstruct is the highest priority for the controller the reconstruct time is minimized and has most impact to system performance Related Links Reconfiguring Or Migrating Virtual Disks To Change The Reconstruct Rate For A Controller 1 Type a numerical value in the Set New Reconstruct Rate 0 100 field The value must be within the 0 100 range 2 Click Apply Changes To exit and cancel your changes click Return to Previous Page 78 To Locate Set Reconstruct Rate In Storage Management 1 In the Server Administrator window under the system tree expand Storage to display the controller objects 2 Select a controller object Click Information Configuration on the controller Properties page Select Set Reconstruct Rate from the Available Tasks drop down menu a ae o Select Execute You can also locate this task from the Change
92. able Laeken deeg a a a eege ge gesch 116 Stating A Learn Egeter Tee eet Alert 116 Battery Transparent Learn Cvcle EEN 117 Initiating The Battery Delay Learn vele 117 To Locate Delay Learn Cycle In Storage Management 117 13 Physical Disks Or Physical HERR tege EE 119 Guidelines To Replace A Physical Disk Or Physical Device EE 119 Adding A New Disk To The System For SCSI SATA And ATA Controllers For SAS Controllers Replacing A Physical Disk Receiving SMART Alerts Disk Is Part Of A Redundant Virtual Disk Disk Is Not Part Of A Redundant Virtual Disk Other DiSk Procedure sisi A EE A EE E E E O E Physical Disk Or Physical Device Properties EEN Physical Disk Or Physical Device Tasks EEN Physical Disk Tasks Blinking And Unblinking A Physical Disk Removing Dead Segments EEN Preparing TOR MOVE eet i Al EE ett AE EE aa lee dh ili Ade Abii ei Re building Hate enee Aere Kette sas cscs Gola ett ch eege Saai aara ite ahaa aa EEEE Canceling A Rebuild ssictssvcciScccccsciivesictvectecwvesvearcetdesenrscavessoareciaevearvisecesdaresvecsvenscubuevesivesseldanb stenscsvesteleanteres Assigning And Unassigning Global Hot Spare Setting The Physical Disk Online Or Offlme EE 128 Performing A Clear Physical Disk And Cancel Cleat EEN 128 Enabling Revertible Hot Spare 129 Enabling Instant Encrypt Eras Oaar Ta aa aver a a Ea a aaiae a a aa aa a aeara eaaet ana 130 Convert To RAID Capable DSK E 130 Convert To Non RAID DSE aaa e Tr r di
93. able virtual disk partitions E NOTE The Partition link is available only if the corresponding virtual disk has partitions From the Tasks drop down list select Enable Fluid Cache Select the Write cache mode The available options are Write Through Write Back Click Apply E NOTE This option is available for PERC H710 H710P and H810 controllers and for Online or degraded virtual disks Disabling Fluid Cache On Virtual Disk Partitions To disable Fluid Cache on a virtual disk partition 1 162 On the left hand side of the Storage Management page expand Storage The list of available virtual disks is displayed Click on the lt Controller Name gt Click on Connector Click on Virtual Disks The list of available virtual disks is displayed Click the Partition link for which you want to disable the cache The Partitions of Virtual Disk page is displayed with the list of available virtual disk partitions From the Tasks drop down list select Disable Fluid Cache Click Execute 15 Moving Physical And Virtual Disks From One System To Another This section describes how to move physical and virtual disks from one system to another Related Links Migrating SAS Virtual Disks To Another System Required Conditions PERC 5 E PERC 5 i and SAS 5 iR Controllers You can migrate physical and virtual disks from one controller enclosure or server to another You can perform physical and virtual disk
94. acity of several disks or to create a virtual disk using a single physical disk For more information on the number of supported physical disks supported by Concatenated see Number Of Physical Disks Per Virtual Disk Using Concatenated does not provide data redundancy or affect the read write performance Select RAID 0 for striping This selection groups o disks together as a large virtual disk with a total capacity of n disks Data is alternately stored in the disks so that they are evenly distributed Data redundancy is not available in this mode Read write performance is enhanced Select RAID 1 for mirroring disks This selection groups two disks as one virtual disk with the capacity of a single disk The data is replicated on both disks When a disk fails the virtual disk continues to function This feature provides data redundancy and good read performance but slightly slower write performance The system must have at least two physical disks to use RAID 1 Select RAID 5 for striping with distributed parity This selection groups 7 disks together as one large virtual disk with a capacity of n 1 disks When a disk fails the virtual disk continues to function This feature provides better data redundancy and read performance but slower write performance The system must have at least three physical disks to use RAID 5 Select RAID 6 for striping with additional distributed parity This selection groups 7 disks as one large
95. ad arae aaa eE arae adit bs aaea atadai titaania 130 JETT eeh e aaa a tet eed eet T aE 131 Considerations Before Creating Virtual Disken 131 Virtual Disk Considerations For Controllers AEN 131 Virtual Disk Considerations For PERC S100 S110 And S300 Controllers EE 133 Virtual Disk Considerations On Systems Running LUmus nnen nn na 133 Number Of Physical Disks Per Virtual Disk Number Of Virtual Disks Per Controller AEN Calculation For Maximum Virtual Disk Gltze ENEE 134 Channel Redundant Virtual Disken 134 Creating Virtual Disks ege EE EE EE nan ee Mila onions 134 Reconfiguring Or Migrating Virtual Disken 135 Starting And Target RAID Levels For Virtual Disk Reconfiguration And Capacity Exvpansion 135 Maintaining The Integrity Of Redundant Virtual Disks Rebuilding Redundant Information ccccccccsesscsscsssscsecssssssscsseceesacsecaeseesessessesesceccessecaesaesaesesaesanseseassassasansaseases Managing Virtual Disk Bad Block Management Recommendations For Clearing Bad Blocks EEN Virtual Disk Properties And TaskS csscsccsssssescssssssscssecsesscsecsesecsesoesseeesseesesseceecassasaesaesassesuessesaesaesassasansansatentes Virtual Disk nl gra Mit EIRKID EE Virtual Disk Available Tasks Recontigtring A Virtual HISk 2 eege gea EE ee Eege VEER aaa paa Anai aaiae iaiia Format Initialize Slow And Fast Initialize cccccssssssssssessesccsecsesscsecseseuseseesesseseeseeseceeseeseusesseesesaeeansaseass Canceling Background Inm
96. ae eaaa ENEE See 39 NR EIET Aa S E RE E E E E E E eietecntustisntaeenenenss 40 Physical Device PrO OES a Ea eet EE ENEE a aa aa e A 40 Phiysical Device E E A E E SEEE AN 42 Blinking And Unblinking A PCle SS 43 Enabling Full Initialization On A PCle S 43 Preparing To Remove A PCle SS 44 Exporting The Log tee aeee saien delt Egeter Aer A4 Adding PCle SSDs To Fluid Cache Bon 44 Removing PCle SSDs From Fluid Cache Pool 45 PCIE SSD SubSyste mi He alt ices secscccacvecsstasctedasuaces eh Seeler earen aa dana aaan Sinana aa iaaa EI SET Backplane Firmware Version 6 Fluid Cache For H Fluid Cache Properties ccs cisccsccvssisscsceiteinareacoessiysedetcseassekoessuxseseuasecdsoustistasnatev E Fluid Cache DiskSs js cccsctent seed cctiar clive seat cecceentuasneteibeiet aus a aaia daaa aa T aa aE aa a Aa aaa T a a iaa add daaa Fluid Cache Disk Properties Fluid Cache Pool Fluid Cache Pool Properties Physical Device PrO OTTOS a a Aaa a aa a a Aea Aaa a T a ees Ea Aaa ENE AOSA Ee I E LOA EANAN E PEE ENE S AE a AETA EAA A E EEE AAE ESAE EAA ETEA Cache oto MUET T Te EE eege eet et Eelere eer ETE AET Viewing The Performance Of The Fluid Cache Disk 51 ASELI oo E E E AE T E EEA ES 51 7 Storage Information And Global Tasks ee EEN Storage Properties dEr ENEE edd ee GOD al TASKS gedeit ee ebe eeh d See EE Performing A Global Bescan ENEE Enabling Or Disabling A Smart Thermal Shutdown Storage Controller Properties
97. age is displayed indicating that the 2TB limit has been reached and that you should select a smaller number of physical disks The 2TB limit is an industry wide SCSI limitation Expanding virtual disks You can only use the Reconfigure task to expand a virtual disk that uses the full capacity of its member physical disks Reconfiguring virtual disks The Reconfigure task is not available when you have more than one virtual disk using the same set of physical disks You can however reconfigure a virtual disk that is the only virtual disk residing on a set of physical disks Virtual disk names not stored on controller The names of the virtual disks that you create are not stored on the controller If you reboot using a different operating system the new operating system may rename the virtual disk using its own naming conventions Creating and deleting virtual disks on cluster enabled controllers There are particular considerations for creating or deleting a virtual disk from a cluster enabled controller Implementing channel redundancy A virtual disk is channel redundant when it maintains redundant data on more than one channel If one of the channels fails data is not lost because redundant data resides on another channel K NOTE For more information about channel redundancy see Channel Redundancy And Thermal Shutdown Rebuilding data An failed physical disk that is used by both redundant and nonredundant virtu
98. al disks cannot be rebuilt Rebuilding a failed physical disk in this situation requires deleting the nonredundant virtual disk Disk group concept consideration for S110 Disk grouping is a logical grouping of disks attached to a RAID controller on which one or more virtual disks are created such that all virtual disks in the disk group use all of the physical disks in the disk group The current implementation supports the blocking of mixed disk groups during the creation of logical devices Physical disks are bound to disk groups therefore there is no RAID level mixing on one disk group Storage Management Server implements the disk group concept during virtual disk creation Functionally after a group of physical disks is used to create their first virtual disk unused space in the disk is used only to expand the virtual disk or create new virtual disks in the unused space The virtual disks have identical RAID level Also existing mixed configuration is not affected However you cannot create mixed configurations You can read or write to the virtual disks rebuild and delete the disks 132 You cannot create virtual disks on a set of disks migrated from earlier software RAID versions and configured with multiple RAID levels Related Links Channel Redundancy And Thermal Shutdown Virtual Disk Task Reconfigure Step 1 of 3 Virtual Disk Considerations For PERC 100 S110 And S300 Controllers The following considerations
99. alization process is similar to a check consistency The background initialization should be allowed to run to completion If canceled the background initialization automatically restarts within 0 to 5 minutes Some processes such as read and write operations are possible while the background initialization is running However other processes such as creating a virtual disk cannot be run concurrently with background initialization These processes cause the background initialization to cancel Related Links Canceling Background Initialization Setting Background Initialization Rate Non RAID Controller Description The non RAID SCSI and SAS controllers are non RAID controllers that support SCSI and SAS devices Because these controllers are non RAID they do not support virtual disks You can manage these non RAID controllers and their attached SCSI and SAS devices with Storage Management E NOTE Supported features may vary from controller to controller Non RAID SCSI Controllers The LSI PCl e U320 non RAID controllers use Small Computer System Interface SCSI technology The IT Assistant ITA for LSI PCI e U320 SCSI non RAID controllers is supported in this release Non RAID SAS Controllers The following non RAID controllers use Serial Attached SCSI SAS technology e SAS 5 i Integrated e SAS DIE e SAS 6 Gbps Adapter Firmware Or Driver Versions Use the firmware or driver versions window to view information about the cont
100. alzaton EE Restoring Dead Segments EEN Deleting Data On the Virtual Disk Performing A Check Conslstencn EE Canceling A Check Consistency Pausing A Check Co sistengyia stue gedeelt Add edel tege dE tee Resuming A Check Consistency si a a n ae a a a aa cases she AE Aa aA AE AE A a iia aaa Blinking And Unblinking A Virtual Disk Renamirig A Virtual DTE E E A A E tea tasidveesatcdededavaslsaSeelcnnantesvelvatsatentcristalys Canceling A Rebuild csciccccccccccccecccscesscccscvcaseeviesvececevsavcavsevschesesducceveal cevesascbvceveesecvsctsseventeavecredvacyeduveaveevectectsenven Changing The Virtual Disk Police Replacing A Member AT EEN Clearing Virtual Disk Bad Block Encrypting A Virtual DSk ee 144 Create Virtual Disk Express VWizard ENEE 145 Create Virtual Disk Express Wizard Step 21 146 Create Virtual Disk Advanced Wizard ENEE 146 Create Virtual Disk Advanced Wizard Step 2 149 Create Virtual Disk Advanced Wizard Step 3 150 Spam Edit noi mee eet SNE Virtual Disk Task Reconfigure Step 1 of 3 To Reconfigure A Virtual Disk Step 1 Of 3 152 Virtual Disk Task Reconfigure Step 2 Of 3 153 To Reconfigure A Virtual Disk Expand Virtual Disk Capacity Step 2 Of 3 154 Virtual Disk Task Reconfigure Step 3 Of 3 154 Slow And Fast un EEN Considerations For Slow Initialize Formatting Or Initializing A Disk To Locate Virtual Disks Task In Storage Management 155 Deleting A Virtual Dekret Eege EE EE S
101. an be specified in Minutes hours days weeks and months Displays the state of the Fluid Cache Disk In the Read Write Bytes per Second for Fluid Cache Disk graph the performance of cache read cache write disk read and disk write for the specified Fluid Cache disk and time interval is plotted You can click the legend to compare the entries with one another For example you can gray out the cache write and disk write and compare the cache read and disk read performance Hover the cursor over the line graph to display the Read Write performance details for a specific time The legend also provides more information about the average bytes read written for the respective Fluid Cache Disk The 1 0 Operations per second for Fluid Cache Disk graph plots the UU operations per second for the chosen Fluid Cache disk and back end disk in the specified time interval Hovering the cursor over the line graph provides the Read Write performance details for specific time The legend also provides more information about the average read or write operation performed during a specific time License Settings The License Settings page displays the digital license associated with the Fluid Cache 51 Table 11 License Settings License Type Indicates the type of license Possible values e Evaluation License expires after being active for certain number of days The expiry time for this field is displayed in days e Node license License applicab
102. anagement graphical user interface GUI Related Links Time Delay In Displaying Configuration Changes To Rescan A Controller In the Server Administrator window under the system tree expand Storage to display the controller objects Select the controller object Click Information Configuration on the controller Properties page Select Rescan from the Controller Tasks drop down menu oP wn gt Click Execute You can also locate this task from the Change Controller Properties drop down menu Related Links Changing The Controller Properties Creating A Virtual Disk Does my controller support this feature See Supported Features To launch the Create Virtual Disk Express Wizard select the Create Virtual Disk task Related Links Create Virtual Disk Express Wizard Enabling The Controller Alarm Does my controller support this feature See Supported Features To enable the alarm on the controller select the Enable Alarm task When enabled the alarm sounds in the event of a device failure Related Links Using Alarms To Detect Failures 67 Disabling The Controller Alarm Does my controller support this feature Supported Features Select the Disable Alarm task to disable the alarm on the controller When disabled the alarm does not sound in the event of a device failure Turning Off The Controller Alarm Does my controller support this feature See Supported Features Select the Quiet Alarm task to turn
103. annel Redundancy And Thermal Shutdown You can create a virtual disk that uses physical disks that are attached to different controller channels The physical disks may reside in an external enclosure or the backplane internal enclosure If the virtual disks maintain redundant data on different channels then these virtual disks are channel redundant Channel redundancy is when one of the channels fail the data is not lost as redundant data resides on another channel Channel redundancy may also be used for disks that reside in enclosures subject to thermal shutdown If the enclosure attached to one of the channels turn off redundant data is maintained on the other channel Channel redundancy is implemented by selecting physical disks on different channels when using the Create Virtual Disk Advanced Wizard NOTE Channel redundancy only applies to controllers that have more than one channel and that attach to an external disk enclosure Related Links Enabling Or Disabling A Smart Thermal Shutdown Creating A Channel Redundant Virtual Disk NOTE Channel redundancy only applies to controllers that have more than one channel and that attach to an external disk enclosure The following instructions provide information on creating a virtual disk that uses channel redundancy 1 Launch the Create Virtual Disk Advanced Wizard a Inthe Server Administrator window under the system tree click Storage dashboard b Locate the controller on whi
104. apply when creating virtual disks e Space allocation When you create a new virtual disk the PERC S100 PERC S110 and 300 controllers allocate the largest area of free space on the physical disks to the new virtual disk e Rebuilding data If a failed physical disk is used by both redundant and nonredundant virtual disks only the redundant virtual disks are rebuilt K NOTE For information on controller limitations see Number Of Physical Disks Per Virtual Disk Related Links Number Of Physical Disks Per Virtual Disk Virtual Disk Considerations On Systems Running Linux On some versions of the Linux operating system the virtual disk size is limited to 1 TB Before creating a virtual disk that is larger than 1 TB you should make sure that your operating system supports this virtual disk size The support provided by your operating system depends on the version of the operating system and any updates or modifications that you have implemented In addition you should investigate the capacity of your peripheral devices to support a virtual disk that is larger than 1TB For more information see your operating system and device documentation Number Of Physical Disks Per Virtual Disk There are limitations on the number of physical disks that can be included in the virtual disk These limitations depend on the controller When creating a virtual disk the controllers support some stripes and spans methods for combining the stora
105. ar to performing a rescan on the controller For information on scheduling a rescan see Rescanning To Update Storage Configuration Changes NOTE Rescan is not supported on non RAID SCSI controllers Reboot the system before Storage Management can see configuration changes on non RAID SCSI controllers Otherwise configuration changes are not reflected in the Storage Management graphical user interface GUI 109 Rescanning A Controller Connector To rescan a controller connector 1 In the Server Administrator window under the system tree expand the Storage dashboard to display the controller objects Expand a controller object Select a connector object Click Information Configuration on the connector Properties page Select Rescan from the Connector Tasks drop down menu E om FP N Click Execute Logical Connector Properties And Tasks To display the information about the logical connector connector in redundant path mode and to execute connector tasks use the logical connector properties and tasks page The connector properties can vary depending on the model of the controller Connector properties may include Table 28 Logical Connector Properties These icons represent the severity or health of the storage component VE Normal OK A Warning Non critical Q Critical Failure Error For more information see Storage Component Severity A Warning or Critical severity may indicate that the connecto
106. ates the fan speed Possible values are Fast Medium Slow and Stopped If the fan is in Offline state the value for the Speed property is Unknown For information on events that cause the fan speed to change see the hardware documentation Enclosure Power Supplies The enclosure power supplies are displayed under the Power Supplies object in the tree view You can select the Power Supplies object to view the status information Power Supply Properties The following table describes the enclosure s power supplies properties Table 23 Power Supply Properties Status These icons represent the severity or health of the storage component 7E Normal OK A WamingNon critica GR Critical Failure Error For more information see Storage Component Severity Name Displays the name of the power supply Displays the status of the power supply 95 e Ready The power supply is functioning normally e Degraded The power supply has encountered a failure and is operating in a degraded state Failed The power supply has encountered a failure and is no longer functioning Storage Management is unable to communicate with the enclosure using SES commands The Failed state is displayed when the enclosure does not respond to a status query from Storage Management for any reason For example This state is displayed when you disconnect the cable e Missing The power supply is not present in the enclosure Part Numbe
107. ation Fluid Cache page is displayed with the Fluid Cache and cache pool properties Fluid Cache Properties Table 6 Fluid Cache Properties Status Displays the status of the Fluid Cache The possible options are e OK e Non critical e Critical License State Displays the status of the Fluid Cache license The possible options are e Valid License 47 e leen OSOS Fluid Cache Disks NOTE When caching is enabled on the virtual disk partitioning of corresponding back end virtual disk is not supported For enabling caching on a virtual disk or partition see Enabling Fluid Cache On Virtual Disks or Enabling Fluid Cache On Virtual Disk Partitions For disabling cache on virtual disk or partition see Disabling Fluid Cache On Virtual Disks or Disabling Fluid Cache On Virtual Disk Partitions Related Links Fluid Cache Disk Properties Fluid Cache Disk Properties The following table lists the properties for Fluid Cache Table 7 Fluid Cache Disk Properties Status Displays the status of the Fluid Cache The possible options are e OK e Non critical Critical Displays the name of the Fluid Cache disk Displays the state of the Fluid Cache The possible options are e Active e Failed Allows you to disable and discard a particular Fluid Cache disk Click Execute to complete this operation Displays the type of device The possible values are e Virtual Disk e Partition Device Name Displays t
108. bject Select the Temperatures object eo Dm P oO ba Click Set Temperature Probe Temperature Probe Properties And Tasks Does my enclosure support this feature See Supported Features Use this window to view information about the enclosure s temperature probes 96 Table 24 Temperature Probe Properties Status These icons represent the severity or health of the storage component VR Normal OK BA Wamingnon critica Q Critical Failure Error For more information see Storage Component Severity K NOTE On some enclosures Storage Management may experience a short delay before displaying the current enclosure temperature and temperature probe status For more information see Storage Management May Delay Before Updating Temperature Probe Status State Displays the status of the temperature probe e Ready The temperature probe is functioning normally Degraded The temperature probe has encountered a failure and is operating ina degraded state Failed The temperature probe has encountered a failure and is no longer functioning Storage Management is unable to communicate with the enclosure using SES commands The Failed state is displayed when the enclosure does not respond to a status query from Storage Management for any reason For example disconnecting the cable causes a Failed state Minimum Warning Threshold Exceeded The temperature of the enclosure has dropped below the minimum warning
109. bject in the tree view Select a disk in the tree to view the status information Enclosure Fans The fans are a component of the enclosure cooling module The enclosure fans are displayed under the Fans object in the tree view You can select a fan to view the status information Fan Properties Fans are a component of the enclosure s cooling module The following table describes the fan properties Table 22 Fan Properties oc Status These icons represent the severity or health of the storage component ZEIA G Normal OK 94 T WamingNon critica GR Critical Failure Error For more information see Storage Component Severity Displays the name of the fan Displays the status of the fan Possible values are Ready The fan is functioning normally Degraded The fan has encountered a failure and is operating ina degraded state Offline The fan or power supply has been removed from the enclosure Failed The fan has encountered a failure and is no longer functioning Storage Management is unable to communicate with the enclosure using SES commands The Failed state is displayed when the enclosure does not respond to a status query from Storage Management For example disconnecting the cable Missing The fan is not present in the enclosure Part Number Displays the part number of the fan This property is not displayed for the 22xS enclosures that have E 17 firmware or later Speed Indic
110. ble Disks On PERC H310 adapters 1 Inthe Server Administrator window under the system tree expand Storage to display the controller objects 2 Select the Controller object 3 Click Information Configuration on the controller Properties page 4 In the controller tasks drop down menu select the task Convert to RAID Capable disks The non RAID disks are displayed Select the drives that you want to convert Click Apply On An acknowledgement that the disks have been converted is displayed Related Links 88 Converting To Non RAID Disks Viewing Available Reports To view a report 1 Expand the Storage tree object to display the controller objects Select a controller object Click Information Configuration Select a report from the Select Report drop down menu oF ON Click Execute Available Reports e Viewing Patrol Read Report e Viewing Check Consistency Report e Viewing Slot Occupancy Report e Viewing Physical Disk Firmware Version Report Viewing Patrol Read Report Does my controller support this feature See Supported Features The patrol read report provides information on all the patrol reads performed on the controller in the chronological order It provides information such as last run time and result If a patrol read fails the reason for the failure is displayed Related Links Setting The Patrol Read Mode To Locate View Patrol Read Report In Storage Management 1 Inth
111. cache policies as well as how they handle hot spares You should be aware of these differences when creating virtual disks and assigning hot spares The following describes some of the RAID controller features and provides links to a more detailed explanation For information on the features supported by the controllers see Supported Features e Hot spares On RAID controllers a hot spare is a backup for a disk that fails See Protecting Your Virtual Disk With A Hot Spare e Rebuilding data You can rebuild data from a failed physical disk if the disk is a member of a redundant virtual disk See Rebuilding Redundant Information e Virtual disk expansion Virtual disk expansion enables you to expand the capacity of a virtual disk while it remains online by adding additional disks to the virtual disk This feature is also known as online capacity expansion OLCE See Virtual Disk Tasks e RAID migration After creating a virtual disk you can change the RAID level See Reconfiguring Or Migrating Virtual Disks e Moving physical and virtual disks to another controller This feature enables you to move the physical and virtual disks from one system to another See Moving Physical And Virtual Disks From One System To Another e Read write and cache policies The manner in which a controller reads and writes data can vary The read write and cache policies have implications for data encryption and system performance See RA
112. can take place during normal operation but it degrades performance Related Links Replacing A Failed Disk Setting The Rebuild Rate A Rebuild Does Not Work Managing Virtual Disk Bad Block Management Virtual disk bad blocks are bad blocks on one or more member physical disks The read operation on the virtual disks having bad blocks may fail Storage Management generates a critical alert 2387 to notify you of the bad blocks on the virtual disk Virtual disk bad blocks are discovered when the controller performs any operation that requires scanning the disk Examples of operations that may result in this alert are e Consistency check e Rebuild e Virtual disk format e 0 e Patrol Read Recovering a physical disk bad block depends on the RAID level and state of the virtual disk If a virtual disk is redundant the controller can recover a bad block on a physical disk If a virtual disk is not redundant then the physical disk bad block results in a virtual disk bad block The following table describes some of the possible scenarios that may may not result in virtual disk bad blocks Table 33 Sample Scenarios For Virtual Disk Bad Blocks RAID 0 Degraded One bad block on a physical The controller cannot disk regenerate data from the peer disks as there is no redundancy This results in a virtual disk bad block RAID 5 Ready One bad block on a physical The controller regenerates disk data from the peer disks and sen
113. ce and has 16KB of data residing on each disk in the stripe In this case the stripe element size is 16KB and the stripe size is 64KB e Parity Parity refers to redundant data that is maintained using an algorithm in combination with striping When one of the striped disks fails the data can be reconstructed from the parity information using the algorithm e Span A span is a RAID technique used to combine storage space from groups of physical disks into a RAID 10 50 or 60 virtual disk RAID Levels Each RAID level uses some combination of mirroring striping and parity to provide data redundancy or improved read and write performance For specific information on each RAID level see Choosing RAID Levels And Concatenation Organizing Data Storage For Availability And Performance RAID provides different methods or RAID levels for organizing the disk storage Some RAID levels maintain redundant data so that you can restore data after a disk failure Different RAID levels also entail an increase or decrease in the 1 0 read and write performance of a system Maintaining redundant data requires the use of additional physical disks The possibility of a disk failure increases with an increase in the number of disks Since the differences in I O performance and redundancy one RAID level may be more appropriate than another based on the applications in the operating environment and the nature of the data being stored When choosing c
114. ch you are creating a channel redundant virtual disk and expand the controller object until the Virtual Disks object is displayed c Select Virtual Disks and click Go To The Create Virtual Disk Wizard d Click Virtual Disk Advanced Wizard 2 Follow the steps in Create Virtual Disk Advanced Wizard 3 Click Exit Wizard to cancel the virtual disk creation In this step you select the channels and the disks to be used by the virtual disk The selections you make determine whether the virtual disk is channel redundant There are specific RAID level and configuration requirements for implementing channel redundancy You must select the same number of physical disks on each channel that you use For information on the number of physical 107 disks that can be used for different RAID levels see Number Of Physical Disks Per Virtual Disk For information on controller specific implementations of the RAID levels see Controller Supported RAID Levels Creating A Physical Disk For Channel Redundant Virtual Disks On PERC Controllers The following sections describe creating a channel redundant virtual disk using RAID 10 or RAID 50 on PERC controllers Creating A Channel Redundant Virtual Disk Using RAID 10 To create a channel redundant virtual disk using RAID 10 1 Select one physical disk on each of the two channels 2 Select an additional disk on each of the two channels You have now selected the minimum number of disks for a RAID 10
115. cifications for the controller in Supported Features Calculation For Maximum Virtual Disk Size The Create Virtual Disk Express Wizard displays the minimum and maximum values for the virtual disk size This section describes how the maximum possible size for the virtual disk is calculated based on the controller type To identify the controller type see RAID Controller Technology SCSI SATA ATA and SAS SCSI CERC SATA And CERC ATA RAID Controllers When using a SCSI CERC SATA or CERC ATA RAID controller the controller calculates the maximum virtual disk size based on your RAID level selection and the available physical disk space provided by all suitable physical disks attached to the controller For example if the controller contains 12 physical disks with available space and you have specified a RAID 5 then the controller calculates the maximum virtual disk size based on the disk space provided by the 12 physical disks because the 12 physical disks can be included in a RAID 5 SAS RAID Controllers When using a SAS controller the controller calculates the maximum virtual disk size based on the available disk space provided by the minimum number of physical disks required to create the RAID level you selected For example if you specified a RAID 5 then the controller calculates the maximum virtual disk size based on three physical disks because only three physical disks are required to create a RAID 5 Channel Redundant Virtual
116. cilitates addition of PCle SSDs to the Fluid Cache pool The Storage Management support for Fluid Cache helps in e Managing Fluid Cache license e Configuring cache pool e Enabling cache for virtual disks behind a PERC controller The supported PERC controllers are H710 H710P and H810 e Monitoring cache pool usage and read write performance of the Fluid Cache disks Fluid Cache for DAS technology uses the Express Flash PCle SSDs in supported systems and provides read and write flash cache Fluid Cache Pool comprises of the set of PCle SSDs that forms the shared distributed cache resource Fluid Cache Disks is a new logical device created as a result of enabling the Fluid Cache on virtual disk or its partitions The new Fluid Cache Disk must be used for all data access following Fluid Cache enablement as opposed to accessing the Virtual Disk or its partitions directly The new Fluid Cache Disk dev f 1dcx created as a result of enabling Fluid Cache on the Virtual disk MUST be used for all data access moving forward Any additional data access to the corresponding Virtual Disk dev sdx or its partitions being cached may lead to data corruption For more information see the Fluid Cache For DAS User s Guide On the left hand side of the Storage Management page click Storage Fluid Cache From the Options menu Connect Fluid Cache Click to refresh the Fluid Cache node information for Fluid Cache Disks and License The Sub System Inform
117. ck the PL icon on the page 3 Type a Passphrase A Passphrase must contain at least one numeral alphabets both lower and upper case are allowed and one non alphanumeric character except space NOTE Server Administrator Storage Management provides a suggested passphrase below the Passphrase text box 4 Ifyou want to save the Encryption Key credentials in a file on the system where Distributed Web Server is running select the Escrow check box The Path field is displayed Provide the path where you want to save the file The path should contain a filename with an xml extension The saved file contains the information SAS address Encryption Key Identifier Passphrase and modified date You can use this file for future reference 86 A CAUTION It is important to understand that if you lose the Passphrase you cannot recover it If you move the physical disks associated with the lost Passphrase to another controller or if the controller fails or is replaced you cannot access data from that disk K NOTE If Encryption Key Identifier or Passphrase contain special characters such as amp lt and gt in the file they are written as amp amp amp quot amp lt and amp gt respectively K NOTE If the system crashes while saving the file the backup file is saved in the specified location 5 Select the check box indicating that you understand the implications of using a passphrase and click Apply Changes In the control
118. conditions that activate the alarm see Enabling The Enclosure Alarm For more information on EMMs see the enclosure hardware documentation All EMM modules in the enclosure should have the same version of firmware You can view the properties of each individual EMM module to verify the firmware version Verifying The EMM Firmware Version Of The Enclosure Does my controller support this feature See Supported Features The firmware for the EMM must be at the same level as that of the enclosure The status of the EMMs is displayed as degraded if there is a mismatch between the EMM firmware To verify the EMM firmware version 1 In the Server Administrator window under the system tree click Storage dashboard 2 Expand the tree view until the EMMs object is displayed 3 Select the EMMs object The firmware version for each EMM is displayed in the Firmware Version column in the right pane For information related to the enclosure s EMMs see Enclosure Management Modules EMMs EMM Properties EMM properties page displays information about Table 25 EMM Properties oc Status These icons represent the severity or health of the storage component E Normal OK A Warning Non critical A Critical Failure Error For more information see Storage Component Severity 98 Part Number Type Firmware Version SCSI Rate Enclosure And Backplane Health Displays the status of the enclosure or backplane an
119. controller 211 Physical Disk Task Name SAS 5 IR SAS 6 iR PERC H200 Remove Dead Disk Segments Clear Cancel Clear Virtual Disk Tasks Supported By The SAS 5 iR SAS 6 iR And H200 Controllers E E E CS ER DSLR DSLR Table 60 Virtual Disk Tasks Supported by the SAS 5 iR SAS 6 iR and H200 Controllers Dedicated Hot Spare Advanced Wizard Wizard N N N Cancel Check Consistency Pause Check Consistency Resume Check Consistency Cancel Background Initialization BGI Cancel Format Virtual Disk 0 0 0 0 S 0 0 0 0 0 0 0 0 0 0 0 ei 212 Virtual Disk Task Name SAS 5 IR SAS 6 iR PERC H200 Cancel Initialize Virtual Disk RAID Levels Supported By The SAS 5 iR SAS 6 iR And H200 Controllers Table 61 RAID Levels Supported by the SAS 5 iR SAS 6 iR and H200 Controllers Virtual Disk Specifications For The SAS 5 iR SAS 6 iR And PERC H200 Controllers Table 62 Virtual Disk Specifications for the SAS 5 iR SAS 6 iR and PERC H200 Controllers Virtual Disk Specification SAS 5 IR SAS 6 iR PERC H200 Maximum Number of Virtual Disks 2 2 2 per Controller Maximum Number of Spans per Virtual Disk Minimum Stripe Size Maximum Stripe Size Maximum Number of Physical Disks per Span Maximum Number of Virtual Disks per Disk Group Maximum Number of Physical Disks NA NA NA that Can Be Concatenated Maximum Number of Physical Disks 10 Adapter ina RAID 0 10 Integrated
120. controller for Storage Management to display the correct status of the newly inserted drive Negotiated Speed Displays the speed of data transfer that the device negotiated during initial communication The negotiated speed depends on the speed of the device the capable speed of the PCle extender card and the current speed of the PCle extender card on that connector Capable Speed Displays the highest possible speed at which the device can transfer data 50 Cache 1 0 Statistics The statistics page allows you to view e Cache usage of Fluid Cache disk e Fluid Cache performance data in terms of bytes and IO operations The Expand View option enables you to view the chart in a pop up window Cache Pool Usage The cache pool usage by each Fluid Cache disk and the available disk space in the Fluid Cache pool can be viewed from the pie chart Viewing The Performance Of The Fluid Cache Disk You can view the performance history and the average read write performance of Fluid Cache disk as listed Fluid Cache Disk Performance The following table lists the fluid cache performance Table 10 Fluid Cache Disk Performance Fluid Cache Disk Select the Fluid Cache disk from the drop down option to view the performance information The drop down list contains the list of all Fluid Cache disks irrespective of the state failed active Time Interval Type the time interval for which you want to view the performance information Time c
121. controller firmware remembers the hot spare assignment even after the physical disks that you assigned as hot spares have been removed In other words in the case of a disk removal the firmware may assume that a hot spare is present when it is not In this case the firmware may prevent you from assigning a new global hot spare as the firmware assumes that a global hot spare is already assigned When a physical disk fails in a redundant virtual disk the failed disk is rebuilt onto the hot spare In this case the controller firmware reassigns the slot containing the failed disk as the hot spare In this circumstance a disk not previously assigned as a global hot spare becomes a hot spare through failure or removal To ensure that the controller firmware always has a healthy physical disk as a global hot spare e Unassign the hot spare that is assigned as a global hot spare before removing and reassigning a physical disk that is assigned as a global hot spare unassign the hot spare before removal and reassign another physical disk as the global hot spare 168 e Immediately replace any physical disk that has failed or been removed This ensures that a healthy disk resides in a slot that the controller firmware assumes is a hot spare 169 170 17 CacheCade Using Solid State Drives CacheCade is used to improve random read performance of the solid state drive SSD based virtual disks A solid state drive SSD is a data storage device t
122. controllers with firmware version 6 1 and later K NOTE This option is available only if the Intelligent Mirroring on the Create Virtual Disk Advanced Wizard Step 2 of 3 page K NOTE On a SAS controller with firmware version 6 1 and later RAID 10 supports only even number of disks per span and a maximum of 8 spans with 32 disks in each span Let us consider that the controller has three enclosures with six physical disks each total number of available disks 3 x 6 18 disks If you select four disks per span the controller creates four spans 18 disks 4 disks per span 4 spans The last two disks of the last enclosure are not part of RAID 10 e Select the number of disks to create a single spanned virtual disk list box Enables you to create a single span virtual disk with 22 or 26 physical drives for PERC controllers This list box option appears only if you have selected RAID 10 in step 1 and the system has 22 or more physical drives 149 NOTE Only physical disks that comply with the virtual disk parameters selected in the Create Virtual Disk Wizard page are displayed Select the required connector and the corresponding physical disk and click Continue Create Virtual Disk Advanced Wizard Step 3 The Create Virtual Disk Advanced Wizard Step 3 of 3 lt Controller Name gt page displays the summary of attributes of the selected RAID level The attributes include Bus Protocol Stripe Element Size Read Policy and the
123. cy Global Hot Spare Protection Policy Resetting The Hot Spare Protection Policy Clear RAID Layout to reset the dedicated hot spare protection policy Global Hot Spare Protection Policy Table 36 Global Hot Spare Protection Policy Properties Property Enable Global Hot Spare Enables the Global Hot Spare Protection Policy Minimum Number of Disks Displays the minimum number of physical disks to be assigned as global hot spares for the controller Severity Level Displays the severity level that you must assign to the generated alert if the Global Hot Spare policy is violated Consider Global Hot Spare Policy when determining Storage Management considers the Global Hot Spare Virtual Disk status policy to determine the status of the virtual disk The status of the virtual disk is determined by the severity level you specify for this policy NOTE When assigning a global hot spare consider a physical disk that has higher capacity which can replace a disk when a disk fails in the controller Considerations For Hot Spare Protection Policy e The dedicated hot spare protection policy is not applicable to SCSI SAS iR PERC H200 and CERC SATA 6ch 2s controllers e RAID 0 does not support hot spares or protection policy e For SAS iR and PERC H200 family of controllers you can assign only two global hot spares 166 e Ifthe status of the virtual disk is displayed as Degraded or Failed because of the hot spare protection
124. cy rate configurable between 0 and 100 represents the percentage of the system resources dedicated for running the check consistency task At 0 the check consistency has the lowest priority for the controller takes maximum time to complete and has least impact to system performance A check consistency rate of 0 does not mean that the check consistency is stopped or paused At 100 the check consistency is the highest priority for the controller The check consistency time is minimized and has most impact to system performance Related Links Performing A Check Consistency To Change The Check Consistency Rate For A Controller 1 Type a numerical value in the Set New Check Consistency Rate 0 100 field The value must be within the 0 100 range 2 Click Apply Changes To exit and cancel your changes click Return to Previous Page To Locate Set Check Consistency Rate In Storage Management 1 In the Server Administrator window under the system tree expand Storage to display the controller objects Select a controller object Click Information Configuration on the controller Properties page Select Set Check Consistency Rate from the Available Tasks drop down menu oP pa NN Click Execute You can also locate this task from the Change Controller Properties drop down menu Related Links Changing The Controller Properties Setting The Reconstruct Rate Does my controller support this feature See Supported Features
125. d For the most recent driver and firmware requirements contact your service provider Table 13 Controller Properties rope Status Displays the status of the controller Displays the controller ID as reported by the omreport CLI command 54 Displays the name of the controller For more detailed information on a controller click its name on the controller name Slot ID Displays the slot to which the controller is attached Storage Management displays Slot Not Applicable for controllers for which it is unable to display the slot ID and Embedded for embedded controllers K NOTE If Slot Not Available is displayed you can identify the slot ID by selecting the System Main System Chassis Slots object in the tree view and selecting the Information tab The Slot ID property on this tab may display the correct information Displays the state of the controller Possible values are e Ready The controller is functioning normally e Degraded The controller has suffered a failure of a component and is operating in a degraded state Failed The controller has suffered a failure of one or more components and is no longer functioning Firmware Version Displays the version of the firmware available on the controller Minimum Required Firmware Version Displays the minimum firmware version that is required by Storage Management This property is displayed only if the controller firmware does not meet the m
126. d Links Setting The Patrol Read Mode Locate Start Stop Patrol Read In Storage Management 1 Inthe Server Administrator window under the system tree expand Storage to display the controller objects 2 Select a controller object 3 Click Information Configuration on the controller Properties page 4 Select Start Patrol Read or Stop Patrol Read from the Available Tasks 5 Click Execute You can also locate this task from the Change Controller Properties drop down menu Related Links Changing The Controller Properties Changing The Controller Properties Does my controller support this feature See Supported Features The Change Controller Properties task provides you the option to change multiple controller properties simultaneously This task is available only on SAS controllers with firmware version 6 1 and later You can change any or all of the following properties using the Change Controller Properties task e Rebuild Rate e BGI Rate e Check Consistency Rate e Reconstruct Rate e Abort check consistency on error e Revertible Hot Spare e Loadbalance e Auto replace member on predictive failure e Redundant path view e Persistent hot spare 82 NOTE You can also set these properties using the command line interface For more information see the Server Administrator Command Line Interface User s Guide Related Links To Rescan A Controller To Locate Change Controller Properties In Storage Management
127. d Unassigning Global Hot Spare e Assigning And Unassigning Dedicated Hot Spare Setting Hot Spare Protection Policy The Hot Spare Protection Policy is supported only on Serial Attached SCSI SAS controllers The Hot Spare Protection Policy provides you with a higher protection level for the virtual disks by enabling you to specify the number of dedicated global hot spares to be assigned to the virtual disks controller You can also specify the severity levels for the protection policy Storage Management sends alerts when the hot spare protection policy is violated Storage Management does not provide a default policy however you can determine the hot spare protection policy best suited for your environment Related Links Assigning And Unassigning Dedicated Hot Spare Assigning And Unassigning Global Hot Spare 165 Dedicated Hot Spare Protection Policy Table 35 Hot Spare Properties RAID Level Indicates the RAID level s for which you want to configure the hot spare protection policy Minimum Number of Disks Indicates the minimum number of physical disks to be assigned as dedicated hot spares for the selected RAID level s Severity Level Displays the severity level you want to assign to the generated alert if this policy is violated K NOTE The status of the virtual disk is determined by the severity level you specify for this policy Related Links Hot Spare Protection Policy Setting Hot Spare Protection Poli
128. d Very Good Noncritical data Kees 1 Excellent Very Good Good Good 2N N 1 Small databases database logs and critical information Sequential Fair unless Fair N 1 N at Databases and reads good using least two disks other read 33 RAID Level Data Read Write Rebuild Minimum Disks Suggested Availability Performance Performance Performance Required Uses Transactional writeback intensive reads Very cache transactional good uses RAID 10 Excellent Very Good Fair Data intensive environments large records RAID 50 Very Good Fair N 2 N at Medium sized least 4 transactional or data intensive uses RAID 6 Excellent Sequential Fair unless N 2 N at Critical reads good using least two disks information Transactional writeback Databases and reads Very cache other read good intensive transactional uses RAID 60 Excellent Very Good Xx N 2 N Critical at least 2 information Medium sized transactional or data intensive uses N Number of physical disks X Number of RAID sets No RAID In Storage Management a virtual disk of unknown metadata is considered a No RAID volume Storage Management does not support this type of virtual disks These must either be deleted or the physical disk must be removed Storage Management allows Delete and Rename operation on No RAID volumes 34 4 Quick Access To Storage Status And Tasks This section describes various methods to determine the status o
129. dapter Adapter Name Integrated Mini Blade Mini Blade Mini Mini Blink Yes Yes Unblink Monolithic Monolithic Assign and Unassign Global Hot Spare Prepare to No No Remove Offline Yes Yes Yes Yes Yes Yes Yes Rebuild Remove No No No Dead Disk Segments 202 Physical PERC H800 PERC H810 PERCH700 PERCH700 PERCH710 PERC H710P PERC H310 Adapter Adapter Modular Adapter Adapter Integrated Mini Blade Mini Blade Mini Mini Monolithic Monolithic Disk Task Name Format Disk No i CO Clear Yes lt D E Cancel Clear Yes ki D E lt CD n lt CD N Cancel Replace Member Convert to Raid Capable Disk Convert to Non Raid Disk CT 2 2 IT ia lt CD n lt CD N Instant Encrypt Erase Revertible Hot Spare Virtual Disk Tasks Supported By The PERC Hardware Controllers Table 51 Virtual Disk Tasks Supported by the PERC Hardware Controllers Virtual Disk PERC H800 PERC H810 PERC H700 PERC H710 PERC H710P PERC H310 Task Name Adapter Adapter Adapter Mini Adapter Mini Adapter Mini Integrated Monolithic Blade Mini Blade Mini Modular Mini Blade Monolithic Monolithic Assign and Unassign Dedicated Hot Spare Create Virtual Disk Create Virtual Disk Advanced Wizard Create Virtual Disk Express Wizard GE Go Wgl mii 203 Virtual Disk PERC H800 PERC H810 PERC H700 PERC H710 PERC H710P PERC H310 Task Name Adapter Adapte
130. ds a Write to the bad block The disk then remaps the Logical Block Addressing LBA to 137 another physical location The problem is resolved Degraded One bad block on a physical The controller cannot disk regenerate data from the peer disks because one drive is missing This results in a virtual disk bad block RAID 5 Ready One bad block on two The controller cannot physical disks atthe same regenerate data from the location peer disks This results in a virtual disk bad block RAID 6 Partially degraded one One bad block on a physical The controller regenerates failed missing physical disk disk data from the peer disks and sends a Write to the bad block The disk then remaps the LBA to another physical location The problem is resolved RAID 6 Degraded two failed One bad block on a physical The controller cannot missing physical disks disk regenerate data from the peer disks This results in a virtual disk bad block RAID 6 One bad block on a physical The controller regenerates disk data from peer disks and sends a Write to the bad block The disk then remaps the Logical Block Addressing LBA to another physical location The problem is resolved Recommendations For Clearing Bad Blocks Storage Management allows you to clear the bad block warnings To clear bad blocks the following procedure is recommended 1 Perform a backup of the virtual disk with the Verify option selected One of th
131. e Channel For information on Storage Management alerts see the Server Administrator Messages Reference Guide What Is New In This Release This release of Storage Management provides the following new features e Added support for Fluid Cache for DAS for configuring and monitoring Fluid Cache using Peripheral Component Interconnect Express PCle Solid State Drives SSDs e Added support for the following operating systems Red Hat Enterprise Linux 5 9 6 1 6 2 and 6 4 Novell SUSE Linux Enterprise Server 10 SP4 and 11 SP3 VMware vSphere 5 0 U2 5 1 U1 and 6 0 Citrix XenServer 6 2 Microsoft Windows Server 2012 Essentials e Added support for configuring Fluid Cache using PCle SSDs e Added support for Remaining Rated Write Endurance status for Statistical Analysis System SAS and Serial Advance Technology Attachment SATA SSD e Added support for web browsers Google Chrome 21 and 22 Safari 5 1 7 on Apple Mac OS X e Added support for PERC controllers Sets the PCle link speed of the controller to PCle Generation 2 or 3 Before Installing Storage Management The following sections describe considerations for installing Storage Management Version Requirements For Controller Firmware And Drivers For Storage Management to function properly the controllers must have the minimum required version of the firmware and drivers installed The firmware and drivers listed in the Server Administrator Readme ref
132. e Format Initialize Slow And Fast Initialize e Reconfigure See Virtual Disk Task Reconfigure Step 1 of 3 Related Links Rebuilding Redundant Information To Change The Rebuild Rate To locate Set Rebuild Rate In Storage Management To Change The Rebuild Rate To change the rebuild rate 1 Type a numerical value in the Set New Rebuild Rate 0 100 field The value must be within the 0 100 range 2 Click Apply Changes To exit and cancel your changes click Return to Previous Page 68 To locate Set Rebuild Rate In Storage Management Expand the Storage tree object to display the controller objects Select a controller object Click Information Configuration Select Set Rebuild Rate from the Available Tasks drop down menu oP BSS Click Execute You can also locate this task from the Change Controller Properties drop down menu Resetting The Controller Configuration Does my controller support this feature See Supported Features The Reset Configuration task allows you to erase all the information on the controller so that you can perform a fresh configuration This operation destroys all data and virtual disks on the controller and unassigns any hot spares You must completely reconfigure the storage after performing this reset operation A CAUTION Resetting a configuration permanently destroys all data on all virtual disks attached to the controller If the system or boot partition resides on these vi
133. e Server Administrator window under the system tree click Storage 2 Select View Patrol Read Report from the Select Report drop down menu 3 Click Execute Viewing Check Consistency Report Does my controller support this feature See Supported Features The check consistency report provides information on all the consistency checks performed on the controller in a chronological order It provides information such as last run time and result If the consistency check fails it provides the reason for the failure Related Links Performing A Check Consistency To Locate View Check Consistency Report In Storage Management 1 Inthe Server Administrator window under the system tree click Storage 2 Select View Check Consistency Report from the Select Report drop down menu 3 Click Execute 89 Viewing Slot Occupancy Report Does my controller support this feature See Supported Features The View Slot Occupancy Report allows you to view empty and occupied slot details of all enclosures and back planes It provides a diagram that represents the occupancy of physical drive slots Move the mouse over each slot to view details such as physical disk ID state and size Viewing Physical Disk Firmware Version Report Does my controller support this feature See Supported Features The Physical Disk Firmware Version Report compares the current firmware against a list of currently available firmware and legacy driver models NOTE To
134. e Write Back Enabled The controller firmware disables the write cache if it does not detect the presence of a charged battery over a specified period For example on some controllers the write cache is disabled if the firmware does not detect a charged battery within 72 hours e Write Through The controller sends a write request completion signal only after the data is written to the disk Write through caching provides better data security than write back caching since the system assumes the data is available only after it has been safely written to the disk 59 K NOTE Write through is the default write policy setting when cluster mode is enabled e Write Cache Enabled Protected The controller writes data to the write cache before writing data to the physical disk Because it takes less time to write data to the write cache than it does to a disk enabling write cache can improve system performance After data is written to the write cache the system is free to continue with other operations The controller in the meantime completes the write operation by writing the data from the write cache to the physical disk The Write Cache Enabled Protected policy is available only if the controller has a functional battery The presence of a functional battery ensures that data can be written from the write cache to the physical disk even when there is power failure K NOTE Storage Management does not allow you to select the Write Cache
135. e controller connector to be used You need a good knowledge of RAID levels and hardware to use the advanced wizard Related Links What Is RAID Deleting A Virtual Disk Channel Redundancy And Thermal Shutdown Reconfiguring Or Migrating Virtual Disks Physical Disk Or Physical Device Properties Physical Disk Or Physical Device Tasks Create Virtual Disk Advanced Wizard Create Virtual Disk Express Wizard Reconfiguring Or Migrating Virtual Disks Does my controller support this feature See Supported Features Reconfiguring or migrating a virtual disk enables you to increase the capacity or change the RAID level of the virtual disk To reconfigure a virtual disk 1 Review the information in Starting and Target RAID Levels for Virtual Disk Reconfiguration and Capacity Expansion 2 Locate the controller on which the virtual disk resides in the tree view Expand the controller object until the Virtual Disks object is displayed 3 Select the Reconfigure task from the virtual disk s Tasks drop down list box and click Execute 4 Complete the Reconfigure task using the Reconfigure wizard Starting And Target RAID Levels For Virtual Disk Reconfiguration And Capacity Expansion After you have created a virtual disk the possibilities for reconfiguring the virtual disk depend on the controller RAID level and available physical disks The following table describes the possible scenarios for reconfiguring a virtual disk Table
136. e controller name in the Name column on the Information Configuration subtab This action displays the controller s Information Configuration subtab The Information Configuration subtab displays information about the controller s components and enables you to execute the controller tasks Related Links Controllers Controllers Properties And Tasks Controller Health How Do I Turn Off An Alarm Some storage components have alarms to indicate error conditions For more information on turning off the alarm see e Turning Off The Controller Alarm e Disabling The Controller Alarm e Disabling The Enclosure Alarm Which RAID Level Is Best For Me For more information see Choosing RAID Levels And Concatenation and Comparing RAID Level And Concatenation Performance 188 20 Supported Features Different controllers support different features The tasks displayed by the Storage Management menus and other features vary depending on whether the controller supports the feature This chapter lists the features supported by the controllers For more information on Controllers see your hardware documentation Related Links Supported Features On The PERC 5 PERC 6 And CERC 6 I Controllers Supported Features On The PERC Hardware Controllers Supported Features On The SAS 5iR SAS 6iR And PERC H200 Controllers Supported Features On The PERC S100 PERC S110 And S300 Controllers Supported Non RAID Controllers Enclosure And Backp
137. e default setting K NOTE For more information on how often the Patrol Read task runs when in Auto mode see your controller documentation e Manual Enables you to start and stop the Patrol Read task using Start and Stop Patrol Read Setting the mode to Manual does not initiate the Patrol Read task If the system reboots while Patrol Read is running in Manual mode Patrol Read does not restart Disabled Prevents the Patrol Read task from running on the system To Locate Set Patrol Read Mode In Storage Management 1 In the Server Administrator window under the system tree expand Storage to display the controller objects Select a controller object Click Information Configuration on the controller Properties page Select Set Patrol Read mode from the Available Tasks drop down menu oP WO DN Click Execute 81 You can also locate this task from the Change Controller Properties drop down menu Related Links Changing The Controller Properties Starting And Stopping Patrol Read Does my controller support this feature See Supported Features When the Set Patrol Read mode is set to Manual you can start the Patrol Read task or stop the task when it is running There are certain conditions under which the Patrol Read task cannot be run To start or stop the Patrol Read Task Click Start Patrol Read or Stop Patrol Read To exit without starting or stopping the Patrol Read click Go Back to Previous Page Relate
138. e following scenarios may occur Backup operation fails on one or more files In this case restore the file from a previous backup After restoring the file proceed to step 2 Backup operation completes without error This indicates that there are no bad blocks on the written portion of your virtual disk If you still receive bad block warnings the bad blocks are in a non data area Proceed to step 2 2 Run Patrol Read and check the system event log to ensure that no new bad blocks are found If bad blocks still exist proceed to step 3 If not the condition is cleared without the need for step 3 3 To clear these bad blocks execute the Clear Virtual Disk Bad Blocks task This Clear Virtual Disk Bad Block feature is applicable to PERC H310 Adapter PERC H310 Mini Monolithic PERC H310 Mini Blades PERC H700 PERC H710 Adapter PERC H710 Mini Blades PERC H710 Mini Monolithic PERC 138 H710P Adapter PERC H710P Mini Blades PERC H710P Mini Monolithic PERC H800 and PERC H810 Adapter family of controllers Virtual Disk Properties And Tasks Use the virtual disk properties and tasks window to view information about the virtual disks and execute virtual disk tasks From the Options menu Refresh Partitions Click to refresh the Virtual Disk Partitions data once the partition is created using the operating system commands for the available virtual disks Go to the Create Virtual Disk Wizard Launches the Create Virtual Disk Wizard
139. e options are Write Through Write Back 8 Click Apply for enabling the cache After the caching is enabled a Fluid Cache disk is created that can be viewed on the Fluid Cache Disks page Disabling Fluid Cache On Virtual Disks To disable Fluid Cache on a virtual disk 1 On the left hand side of the Storage Management page expand Storage 2 Click on the lt Controller Name gt 3 Click on Connector 4 Click on Virtual Disks The Virtual Disk on lt Controller Name gt page is displayed with the list of virtual disks for the controller 5 From the Tasks drop down list corresponding the virtual disk for which you want to disable the cache select Disable Fluid Cache 6 Click Execute A pop up window is displayed confirming the disable operation Any dirty data for the virtual disk is moved from the cache to the virtual disk and the corresponding Fluid Cache disk is removed Enabling Fluid Cache On Virtual Disk Partitions You can enable Fluid Cache on virtual disk partitions for PERC controllers 161 To enable Fluid Cache on a virtual disk partition 1 2 3 4 On the left hand side of the Storage Management page expand Storage Click on the lt Controller Name gt Click on Connector Click on Virtual Disks The list of available virtual disk is displayed Click the Partition link for which you want to enable the cache The Partitions of Virtual Disk page is displayed with the list of avail
140. e physical disk causes the entire virtual disk to fail To proceed you need to verify when a backup was taken and if there is any new data that has been written to the virtual disk since that time If you have backed up recently and there is no new data on the disks that would be missed you can restore from backup Replacing The Disk 1 Delete the virtual disk which is in a failed state Remove the failed physical disk 2 3 Insert a new physical disk 4 Create a new virtual disk 5 Restore from backup Using The Physical Disk Online Command On Select Controllers Does my controller support this feature See Supported Features If you do not have a suitable backup available and if the failed disk is part of a virtual disk on a controller that supports the Online physical disk task then you can attempt to retrieve data by selecting Online from the drop down task menu of the failed disk The online command attempts to force the failed disk back into an online state If you are able to force the disk into an online state you may be able to recover individual files The amount of data you can recover depends on the extent of disk damage File recovery is only possible if a limited portion of the disk is damaged However you may not be able to recover any data using this method A forced Online does not fix a failed disk You should not attempt to write new data to the virtual disk After retrieving any viable data from the dis
141. e to maintain the cache during a power loss If the controller is using Write Back Cache policy then the controller changes to Write Through Cache policy until the learn cycle completes The write through cache policy writes the data directly to the disk and reduces the risk of data loss in the cache during a power outage K NOTE If you have set the controller to Force Write Back Cache policy then the cache policy is not changed during the learn cycle When using Force Write Back Cache policy it is possible for data loss to occur if there is a power outage while the learn cycle is in progress The controller firmware automatically initiates the learn cycle every 90 days You can however delay the start time of the learn cycle for a further seven days after which the firmware automatically initiates the learn cycle NOTE The learn cycle cannot be performed while the battery is charging If either a user or the controller firmware initiates the learn cycle while the battery is charging then the battery learn state displays Requested The learn cycle begins when the battery is fully charged Related Links Initiating The Battery Delay Learn Cycle Battery Transparent Learn Cycle The PERC H710 and PERC H810 controllers support Transparent Learn Cycle TLC a periodic operation that calculates the charge that is remaining in the battery to ensure that there is sufficient energy The operation runs automatically and causes no impact to the
142. e useful for troubleshooting 69 On a system running Microsoft Windows the log file is exported to the windows or winnt directory On a system running Linux the log file is exported to the var log directory Depending on the controller the log file name is afa_ lt mmda gt 1log or Isi_ lt mmda gt log where lt mmda gt is the month and date NOTE In the VMware ESXi environment only one log file is created Isiexport log If the file exists exporting the log file overwrites the existing log file E NOTE Controllers without cache cannot store logs and export log files Related Links What Is PCle SSD Export The Controller Log File To Locate Export Log In Storage Management Changing The Controller Properties Export The Controller Log File 1 Click Export Log File when ready 2 To exit without exporting the controller log file click Return to Previous Page To Locate Export Log In Storage Management To locate this task in storage management 1 Expand the Storage tree object to display the controller objects 2 Select a controller object 3 Click Information Configuration 4 Select Export Log from the Available Tasks drop down menu 5 Click Execute You can also locate this task from the Change Controller Properties drop down menu Foreign Configuration Operations Does my controller support this feature See Supported Features The Foreign Configuration Operations task provides a preview of the forei
143. ect Change Policy from the Available Tasks drop down box 5 Click Execute Split Mirror Does my controller support this feature See Supported Features Use the Split Mirror task to separate mirrored data originally configured as a RAID 1 RAID 1 concatenated or RAID 10 virtual disk Splitting a RAID 1 or RAID 1 concatenated mirror creates two concatenated non redundant virtual disks Splitting a RAID 10 mirror creates two RAID 0 striped non redundant virtual disks Data is not lost during this operation E NOTE On Linux operating systems a Split Mirror cannot be performed on a mounted virtual disk For this reason a Split Mirror cannot be performed on the boot drive Splitting A Mirror Click Split Mirror To exit without splitting the mirror click Go Back To Virtual Disk Page A CAUTION Your virtual disk is longer redundant after performing a Split Mirror operation 157 To Locate Split Mirror In Storage Management 1 In the Server Administrator window under the system tree expand Storage to display the controller objects Expand a controller object Select the Virtual Disks object Select Split Mirror from the Available Tasks drop down menu 7 Pe ON Click Execute Related Links Rescanning To Update Storage Configuration Changes Time Delay In Displaying Configuration Changes Unmirror Does my controller support this feature See Supported Features Use the Unmirror task to separate mirrored data and res
144. ed By The PERC Hardware Controllers 202 Virtual Disk Tasks Supported By The PERC Hardware Controllers AE 203 Virtual Disk Specifications For The PERC Hardware Controllers EE 205 RAID Levels Supported By The PERC Hardware Controllers EE 208 Read Write Cache And Disk Cache Policy Supported By The PERC Hardware Controllers 208 Enclosure Support On PERC Hardware Controllers EE 209 Supported Features On The SAS 5iR SAS 6iR And PERC H200 Controllers EE 209 Controller Tasks Supported On The SAS 5 iR SAS 6 iR And H200 Controllers EE 210 Battery Tasks Supported On The SAS 5 iR SAS 6 iR And H200 Controllers sccscsscsseeeeeeseeeseeseeeseeeeees 211 Connector Tasks Supported On The SAS 5 iR SAS 6 iR And H200 Controllers 211 Physical Disk Tasks Supported On The SAS 5 iR SAS 6 iR And H200 Controllers E 211 Virtual Disk Tasks Supported By The SAS DIR SAS 6 iR And H200 Controllers 212 RAID Levels Supported By The SAS 5 iR SAS 6 iR And H200 Controllers E 213 Virtual Disk Specifications For The SAS 5 iR SAS 6 iR And PERC H200 Controllers 213 Read Write And Cache Policy Supported By The SAS 5 iR SAS 6 iR And H200 Controllers 215 Enclosure Support On The SAS DIR SAS 6 iR And H200 Controllers EE 215 Supported Features On The PERC S100 PERC S110 And S300 Controllers EE 215 Controller Tasks Supported On The PERC 100 PERC S110 And S300 Controllers e 216 Physical Disk Tasks Supported By The PERC S100 PERC S110 And S300 Controllers 216 Vi
145. ee expand Storage 2 Expand the controller object 105 The available connectors are displayed These connectors are numbered starting from zero Identify a connector that is not attached to storage If the connector is already attached to storage then the connector object can be expanded to display an enclosure or backplane and the attached physical disks A connector object that cannot be expanded in the tree view is an open connector not currently attached to storage Storage Management displays a number for each connector These numbers correspond to the connector numbers on the controller hardware You can use these numbers to identify which open connector displayed in the tree view with the open connector on the controller hardware Enclosure Components For information on attached components see 106 e Physical Disk Or Physical Device Properties e EMM Properties e Fan Properties e Power Supply Properties e Temperature Probe Properties And Tasks 10 Connectors A controller contains one or more connectors channels or ports to which you can attach disks You can externally access a connector by attaching an enclosure for external disks to the system or internally access by attaching to the backplane for internal disks of a system You can view the connectors on the controller by expanding the controller object in the tree view E NOTE For PCle SSD connectors are referred to as PCle SSD extenders Ch
146. eed Ee To Delere A VirtuallDiskiiciecAsidlienraghi sieved Eed dE Eege Ee To Locate Delete In Storage Management Renaming A Virtual Disk0s sis sscctsectsccssseacteccovesediacsccavececivestativiiveiveavenrdaidavetvavectabvaeiesbonssets nasa diaii iaa iia Eiai To Rename A Virtual Disk To Locate Rename In Storage Management Changing The Policy Of A Virtual Disk Changing The Read Write Or Disk Cache Policy Of A Virtual Disk 157 To Locate Change Policy In Storage Management EE 157 lol Alt g tet ctac steers val AE EEE EAEE EE EAEE EAEE ater AEE TETEE Splitting A Mitr EE To Locate Split Mirror In Storage Management ul Lomp Eege eh EE Ee ate ie lt EE EE EE EE To Locate Unmirror In Storage Management Assigning And Unassigning Dedicated Hot Spare Assigning A Dedicated Hot Spare Unassigning A Dedicated Hot Spare To Locate Assign Or Unassign Dedicated Hot Spare In Storage Management Virtual Disk Task Replace Member Disk Step 1 Of 21 Replacing A Member Disk Step 1 Of 23 To Locate Replace Member Disk In Storage Management Virtual Disk Task Replace Member Disk Step 2 Of 23 Enabling Fluid Cache On Virtual Disken Disabling Fluid Cache On Virtual Disk Enabling Fluid Cache On Virtual Disk Partitions Disabling Fluid Cache On Virtual Disk Patton 162 15 Moving Physical And Virtual Disks From One System To Another seet 163 Required Comdition ss is wats ee daier WEE ee ee deer ee Eet ee e SCSIAnd SAS
147. een damaged is offline or was a member of a virtual disk that has been deleted or initialized The following actions may resolve the error condition e Ifa user has changed the status to Offline then return the disk to Online status by executing the Online disk task e Rescan the controller This action updates the status of storage objects attached to the controller If the error status was caused by deleting or initializing a virtual disk rescanning the controller should resolve this problem e Investigate whether there are any cables enclosure or controller problems preventing the disk from communicating with the controller If you find a problem and resolve it you may need to rescan the controller to return the disk to Online or Ready status If the disk does not return to Online or Ready status reboot the system e If the disk is damaged replace it Related Links Replacing A Failed Disk Receive A Bad Block Alert With Replacement Sense Or Medium Error The following alerts or events are generated when a portion of a physical disk is damaged e 2146 s 2147 e 2148 e 2149 e 2150 This damage is discovered when the controller performs an operation that requires scanning the disk Examples of operations that may result in these alerts are as follows e Consistency check e Rebuild e Virtual disk format e 0 If you receive alerts 2146 through 2150 as the result of performing a rebuild or while the virtual disk is in a d
148. eferences 2 Click Privacy and Security 3 Click SSL 4 Clear the Sending form data from an unencrypted page to an unencrypted page option Physical Disks Are Displayed Under The Connector Object Instead Of The Enclosure Object Storage Management surveys the status of physical disks at frequent intervals When the physical disk is located in an enclosure the data reported by the SCSI Enclosure Processor SEP is used to determine the status of the physical disk When the SEP is not functioning Storage Management can survey the status of the physical disk but cannot identify the physical disk as being located in the enclosure In this case the physical disk is displayed under the Connector object and not under the Enclosure object You can resolve this problem by restarting the Server Administrator service or by rebooting the system For more information on restarting the Server Administrator service see the Server Administrator User s Guide PCle SSD Troubleshooting The following sections describe troubleshooting procedures for PCle SSD Topics include e Peripheral Component Interconnect Express PCle Solid State Drive SSD Is Not Visible In The Operating System e PCle SSD Is Not Visible In Disk Management In The Operating System 183 Peripheral Component Interconnect Express PCle Solid State Drive SSD Is Not Visible In The Operating System Probable Cause Hardware is not installed correctly Solution Check the follo
149. egraded state then data cannot be recovered from the damaged disk without restoring from the backup If you receive alerts 2146 through 2150 under circumstances other than a rebuild then data recovery may be possible The following describes each of these situations Alerts 2146 Through 2150 Received During A Rebuild Or While A Virtual Disk Is Degraded Perform the following steps 1 Replace the damaged physical disk 2 Create a new virtual disk and allow the virtual disk to completely resynchronize While the resynchronization is in progress the status of the virtual disk is Resynching 3 Restore data to the virtual disk from the backup 181 Alerts 2146 Through 2150 Received While Performing 1 0 Consistency Check Format Or Other Operation If you receive alerts 2146 through 2150 while performing an operation other than a rebuild replace the damaged disk immediately to avoid data loss Perform the following steps 1 Back up the degraded virtual disk to a fresh unused tape drive 2 Replace the damaged disk 3 Perform a rebuild Read And Write Operations Experience Problems If the system hangs times out or experiences other problems with read and write operations then there may be a problem with the controller cables or a device Related Links Cables Attached Correctly Isolate Hardware Problems A Task Menu Option Is Not Displayed You may notice that the task menus do not always display the same task option
150. ely Remove Or Replace A Physical Disk 187 How Do Recover From Removing The Wrong Physical Disk 188 How Do Identify The Firmware Version That Is Installed EEN 188 Vdtule gefruer 188 How Do l Turin OFF EE EE 188 Which RAID Levels Best For ME Teea a a auenatttaniitniiataastdaiiiiiivia adtedndiaielldedetiteetes 188 20 Supported EG eege dere Ee Supported Features On The PERC 5 PERC 6 And CERC 6 I Controllers EE Controller Tasks Supported On The PERC 5 PERC 6 And CERC 6 1 Controllers En Battery Tasks Supported On The PERC 5 E PERC 6 And CERC GI Controllers sssssssssssssssesssssresreersresrennn Connector Tasks Supported By The PERC BE PERC 6 And CERC GI Controllers Physical Disk Tasks Supported By The PERC 5 E PERC 6 And CERC Gi Controllers Virtual Disk Tasks Supported By The PERC 5 PERC 6 And CERC 6 1 Controllers AE Virtual Disk Specifications For The PERC 5 PERC 6 And CERC 6 1 Controllers RAID Levels Supported By The PERC 5 E PERC 6 And CERC GI Controllers AA Read Write And Cache Policy Supported By The PERC 5 E PERC 6 And CERC 6 I Controllers 197 Enclosure Support On The PERC 5 PERC 6 And CERC Gil Controllers EE 198 Supported Features On The PERC Hardware Controllers EE Controller Tasks Supported On The PERC Hardware Controllers Battery Tasks Supported On The PERC Hardware Controllers EE Connector Tasks Supported By The PERC Hardware Controllers EE 202 Physical Disk Tasks Support
151. ependent Disks RAID technology to provide Storage Management capability Understanding Storage Management requires an understanding of RAID concepts as well as some familiarity with how the RAID controllers and operating system view disk space on your system Related Links What Is RAID Organizing Data Storage For Availability And Performance Choosing RAID Levels And Concatenation Comparing RAID Level And Concatenation Performance What Is RAID RAID is a technology for managing the storage of data on the physical disks that reside or are attached to the system A key aspect of RAID is the ability to span physical disks so that the combined storage capacity of multiple physical disks can be treated as a single extended disk space Another key aspect of RAID is the ability to maintain redundant data which can be used to restore data in the event of a disk failure RAID uses different techniques such as striping mirroring and parity to store and reconstruct data There are different RAID levels that use different methods for storing and reconstructing data The RAID levels have different characteristics in terms of read write performance data protection and storage capacity Not all RAID levels maintain redundant data which means for some RAID levels lost data cannot be restored The RAID level you choose depends on whether your priority is performance protection or storage capacity K NOTE The RAID Advisory Board RAB defines
152. er e PERC 6 I Modular e SAS 6 iR controller e PERC S100 PERC S110 and PERC S300 e PERC H200 Adapter PERC H200 Integrated and PERC H200 Modular e PERC H800 Adapter PERC H700 Adapter PERC H700 Integrated and PERC H700 Modular e PERC H310 Adapter PERC H310 Mini Monolithic PERC H310 Mini Blades PERC H710 Adapter PERC H710 Monolithic PERC H710 Mini Monolithic PERC H710P Adapter PERC H710P Monolithic PERC H710P Mini Monolithic and PERC H810 Adapter NOTE The PERC H200 PERC H7x0 and PERC H8x0 controllers support 3TB NL SAS hard drives 3TB NL SATA hard drives SATA SSDs and SAS SSDs Supported Non RAID Controllers Storage Management supports the following non RAID controllers e LSI PCI e U320 e SAS 5 i Integrated e SAS DIE e SAS 6 Gbps Adapter Supported Enclosures This release of Storage Management supports the following enclosures e 20xS and 21xS storage systems e 220S and 221S storage systems e MD1000 and MD1120 storage systems e MD1200 and MD1220 storage systems Support For Disk And Volume Management Storage Management does not provide disk and volume management To implement disk and volume management you must use the native disk and volume management utilities provided by your operating system 17 Getting Started Server Administrator Storage Management is designed for system administrators who implement hardware RAID solutions and understand corporate and small business storage environments
153. er After you have reached this limit you can no longer reconfigure any of the virtual disks on the controller But for IR and PERC H200 controllers you can create only two virtual disks NOTE On Linux operating systems if you reconfigure the same controller on which the operating system resides you may experience extremely slow system performance until the reconfiguration is complete NOTE You may want to review Virtual Disk Considerations For Controllers This section contains considerations that also apply to reconfiguring a virtual disk on these controllers Related Links Reconfiguring A Virtual Disk What Is RAID Deleting A Virtual Disk Channel Redundancy And Thermal Shutdown Reconfiguring Or Migrating Virtual Disks Physical Disk Or Physical Device Properties Physical Disk Or Physical Device Tasks Create Virtual Disk Advanced Wizard Create Virtual Disk Express Wizard To Reconfigure A Virtual Disk Step 1 of 3 1 2 Select the physical disks that you want to include in the virtual disk You can expand the capacity of the virtual disk by adding additional physical disks On some controllers you can also remove physical disks The changes you make to the physical disk selection are displayed in the Selected Physical Disks table NOTE For a controller that has more than one channel it may be possible to configure a virtual disk that is channel redundant K NOTE For PERC H310 Adapter P
154. er does not meet the minimum requirement Storport Driver Version Displays the version of the storport driver that is installed on the system Minimum Required Storport Driver Version Displays the minimum storport driver version required by Storage Management This property is displayed if the operating system storport driver does not meet the minimum requirement This option is applicable only on systems running Microsoft Windows operating system NOTE To download the latest storport driver see the Microsoft Knowledge Base article KB943545 at support microsoft com Controller Health The controller Health page displays the status of the controller and the components attached to the controller Related Links Storage Component Severity Controller Information Controller Components Controller Components For information on attached components see e RAID Controller Batteries e Firmware Or Driver Versions e Connectors K NOTE If you have connected the enclosure in Redundant path mode the connectors are represented as Logical Connector e Virtual Disks 62 Controllers Properties And Tasks Use the controllers properties and tasks window to view information about the controller and execute controller tasks NOTE The firmware and drivers listed in the Server Administrator Readme refer to the minimum supported version for these controllers Later versions of the firmware and drivers are also supported Fo
155. er Connector Enclosure ae Virtual Disks G ER Subsystem Physical Disks Disk s Component Status 229 Health Status Rollup Physical Disk Is Rebuilding Table 94 Health Status Rollup Physical Disk is Rebuilding Storage Controller Connector Enclosure Virtual Disks Physical Subsystem Components Disks Component vw v V GG SI Health N A N A Rollup B B M m 230
156. er of the following circumstances e The controller is a SCSI controller and the partition size of the disk is larger than the global hot spare e The controller is a SAS controller and the disk size is larger than the global hot spare In this case you can unassign the global hot spare after creating a new virtual disk and then assign a new and larger hot spare to cover all redundant virtual disks on the controller To determine whether the controller is using SCSI or SAS technology see RAID Controller Technology SCSI SATA ATA and SAS 167 Dedicated Hot Spare Considerations The following considerations apply to dedicated hot spares e Considerations for RAID 10 RAID 50 and RAID 60 If you have created a RAID 10 or RAID 50 virtual disk that does not fully consume its member physical disks then you cannot assign a dedicated hot spare to the RAID 10 or RAID 50 virtual disk Storage Management does not allow you to create RAID 10 and RAID 50 virtual disks from partial physical disks You therefore do not encounter this situation if you use Storage Management to create your virtual disks If however the RAID 10 or 50 virtual disk was created using another application and if it does contain partial physical disks then you can assign a dedicated hot spare to the virtual disk E NOTE For PERC H700 and PERC H800 controllers you can assign a dedicated hot spare to RAID 10 RAID 50 and RAID 60 e Considerations for Multiple Dedicated
157. er to the minimum supported version for these controllers Later versions of the firmware and drivers are also supported For the most recent driver and firmware requirements contact your service provider 15 NOTE To download the latest storport driver see the Microsoft Knowledge Base article KB943545 at support microsoft com If you install Storage Management without the minimum required firmware and drivers Storage Management may not be able to display the controllers or perform other functions Storage Management generates alerts 2131 and 2132 when it detects unsupported firmware or drivers on a controller For information on alert messages see the Server Administrator Messages Reference Guide Supported Controllers NOTE The firmware and drivers listed in the Server Administrator Readme refer to the minimum supported version for these controllers Later versions of the firmware and drivers are also supported For the most recent driver and firmware requirements contact your service provider This release of Storage Management supports the following controllers Supported RAID Controllers Storage Management supports the following RAID controllers For information on the technology used by the supported RAID controllers see RAID Controller Technology SCSI SATA ATA and SAS e PERC 5 E e PERC 5 i Integrated and PERC 5 i Adapter e SAS 5 iR Integrated and SAS 5 iR Adapter e PERC GIE e PERC 6 I Integrated and PERC GI Adapt
158. es my controller support this feature See Supported Features Select the Clear Physical Disk task to erase data residing on a physical disk The Clear task applies to physical disks that are in Ready state and that contain data or that are in Clear state 128 NOTE A physical disk may display the Clear state if it is a member of a virtual disk that is being slow initialized Performing a Cancel Clear task on the physical disk causes the Slow Initialize task to be canceled for the entire virtual disk To clear the physical disk 1 Review the physical disk to be erased Ensure that it does not contain necessary data and make a backup if necessary If you want to blink the physical disk click Blink button 2 Click Clear when you are ready to erase all information on the physical disk To exit without clearing the physical disk click Return to Previous Page Related Links Format Initialize Slow And Fast Initialize Considerations For Slow Initialize To Locate Clear In Storage Management To locate this task in storage management 1 Inthe Server Administrator window under the system tree expand Storage to display the controller objects Expand a controller object Expand a connector object Expand the enclosure or Backplane object Select the Physical Disks object Select Clear from the Tasks drop down menu of the physical device you want to clear sso oo FP Sa bh Click Execute Enabling Revertible Hot Spare Doe
159. f all members of a virtual disk by enabling the Disk Cache Policy When this feature is enabled the physical disk writes data to the physical disk cache before writing it to the physical disk Because it is faster to write data to the cache than to a disk enabling this feature improves system performance The cache policies are e Enabled Disk Cache Policy is enabled e Disabled Disk Cache Policy is disabled K NOTE The default setting for Disk Cache Policy for virtual disks based on SATA drives is Enabled and for virtual disks based on SAS drives is Disabled K NOTE For SAS 6i R and PERC H200 family of controllers the Disk Cache Policy setting is available only after creating the virtual disk Background Initialization On PERC Controllers On PERC controllers background initialization of a redundant virtual disk begins automatically within 0 to 5 minutes after the virtual disk is created The background initialization of a redundant virtual disk prepares the virtual disk to maintain redundant data and improve write performance For example after the background initialization of a RAID 5 virtual disk completes the parity information is initialized After the background initialization of a RAID 1 virtual disk completes the physical disks are mirrored 60 The background initialization process helps the controller identify and correct problems that may occur with the redundant data later In this regard the background initi
160. for the virtual disk You can also select the physical disks and the controller connector You must have a good knowledge of RAID levels and hardware to use the Advanced 146 Wizard If you want the wizard to choose a recommended virtual disk configuration for you select the Express Wizard option Before creating a virtual disk you should be familiar with the information in Considerations Before Creating Virtual Disks You may also want to review Choosing RAID Levels And Concatenation To create a virtual disk using the Create Virtual Disk Advanced Wizard 1 Onthe left hand side of the Server Administrator page expand Storage 2 Click on the lt PERC Controller gt 3 Click on Virtual Disks The Virtual Disk s on Controller lt Controller Name gt page is displayed 4 Click Go to the Create Virtual Disk Wizard The Create Virtual Disk Wizard Step 1 lt Controller Name gt page is displayed 5 Select the Advanced Wizard option 6 To make sure that only encrypted physical disks are used to create the virtual disk select Yes from the Create Encrypted Virtual Disk drop down list The RAID levels are available for selection based on the number of encrypted physical disks If you select No the RAID levels are available based on the total number of physical disks present on the system 7 Select the required RAID level from the drop down list Depending on the controller Concatenated enables you to combine the storage cap
161. from a RAID 5 virtual disk that has been corrupted The Restore Dead Segments task attempts to reconstruct data from the corrupt portion of a physical disk included in a RAID 5 virtual disk The Restore Dead Segments task uses the parity or redundant information to reconstruct the lost data This task is not always able to recover lost data Deleting Data On the Virtual Disk Does my controller support this feature See Supported Features The Delete task destroys all data on the virtual disk Related Links Deleting A Virtual Disk Performing A Check Consistency Does my controller support this feature See Supported Features The Check Consistency task verifies the accuracy of the redundant parity information This task only applies to redundant virtual disks When necessary the Check Consistency task rebuilds the redundant data If the virtual disk is in a Failed Redundancy state running a check consistency may be able to return the virtual disk to a Ready state Related Links Setting The Check Consistency Rate Canceling A Check Consistency Does my controller support this feature See Supported Features The Cancel Check Consistency task stops a check consistency operation while it is in progress Pausing A Check Consistency Does my controller support this feature See Supported Features The Pause Check Consistency task pauses a check consistency while it is in progress NOTE The Pause Check Consistency task updates the
162. g across more than one RAID 6 span RAID 60 Groups oiedisks as one large virtual disk with a capacity of s n 2 disks where sis the number of spans and ois the number of disks within each span RAID 60 provides increased data protection and better read performance but slower write performance 6 Click Continue Related Links Creating A Virtual Disk Create Virtual Disk Advanced Wizard Create Virtual Disk Express Wizard Step 2 The Create Virtual Disk Express Wizard lt Controller Name gt page displays the summary of attributes of the selected RAID level The attributes include Bus Protocol Stripe Element Size Read Policy and the selected physical disk The default values of the virtual disk attributes excluding the RAID level are recommended for the selected RAID level 1 Inthe Name field type a name for the virtual disk The virtual disk name can contain only alphanumeric characters spaces dashes and underscores The maximum length depends on the controller In most cases the maximum length is 15 characters The name cannot start with a space or end with a space NOTE It is recommended that you specify a unique name for each virtual disk If you have virtual disks with the same name it is hard to differentiate the generated alerts NOTE If a physical disk is receiving a SMART alert it cannot be used in a virtual disk For more information on SMART alerts see Monitoring Disk Reliability On RAID Controllers 2 I
163. ge on physical disks Since the number of total stripes and spans is limited the number of physical disks that can be used is also limited The limitations on stripes and spans affect the possibilities for concatenation and RAID levels as follows e Maximum number of spans affects RAID 10 RAID 50 and RAID 60 e Maximum number of stripes affects RAID 0 RAID 5 RAID 50 RAID 6 and RAID 60 e Number of physical disks in a mirror is always 2 This property affects RAID 1 and RAID 10 If RAID 50 and RAID 60 you can use a greater number of physical disks than is possible for other RAID levels RAID 10 on a SAS controller with firmware version 6 1 can use a maximum of 256 physical disks However the number of connectors on the controller imposes limitations on how many physical disks can be included in a virtual disk when using RAID 10 RAID 50 or RAID 60 This is because only a limited number of physical disks can be physically attached to the controller For information about the maximum number of physical disks supported by a virtual disk see the virtual disk specifications for the controller in Supported Features Related Links Virtual Disk Considerations For PERC 100 S110 And S300 Controllers 133 Number Of Virtual Disks Per Controller There are limitations on the number of virtual disks that can be created on the controller For information about the maximum number of virtual disks supported by a controller see the virtual disk spe
164. generate the HDD firmware version report negotiable speed and the model number of the drives are used as keys for indexing entries in the hddfwver csv file If the negotiable speed of the drive is not available from the controller then the model number of the drive is used as the key for indexing entries in the hddfwver csv file You canrun the report on each controller basis or for the storage system For each controller report click Storage Controller Information Configuration Available Reports View Physical Disk Firmware Version Report Execute For a storage system report select Storage Information Configuration Global Tasks View Physical Disk Firmware Version Report Execute If you do not have the latest compare file hddfwver csv contact your service provider to download the latest compare file Replace the existing hddfwver csv file with the new file at the following location On systems running Windows C lt Program Files x86 gt Dell SysMgt sm where C Programfiles may vary based on the system On systems running Linux opt dell srvadmin etc srvadmin storage hddfwver csv On systems running ESXi etc cim dell srvadmin srvadmin storage hddfwver csv If the existing firmware s for all physical disks is the latest the following message is displayed There are no physical disks available that require firmware update Related Links Physical Disk Firmware Version Report Properties Phy
165. ging The Warning Threshold On The Temperature Probe 182 Storage Management May Delay Displaying Storage Devices After Reboot Storage Management requires time after a reboot to find and inventory all attached storage devices You may experience a delay in storage controllers being displayed until this operation has completed You Are Unable To Log Into A Remote System Ensure that you have connected to the system with administrator privileges and have provided the correct login details The remote system may be turned off or there may be network problems Cannot Connect To Remote System Running Microsoft Windows Server 2003 When connecting to a remote system running Windows Server 2003 log in to the remote system using an account that has administrator privileges By default Windows Server 2003 does not allow anonymous null connections to access the SAM user accounts Therefore if you are attempting to connect using an account that has a blank or null password the connection may fail Reconfiguring A Virtual Disk Displays Error In Mozilla Browser When reconfiguring a virtual disk using the Mozilla browser the following error message may display Although this page is encrypted the information you have entered is to be sent over an unencrypted connection and could easily be read by a third party You can disable this error message by changing the settings in the browser To disable this error message 1 Select Edit Pr
166. gn Configuration task permanently destroys all data residing on the physical disks that are added to the controller If more than one foreign virtual disk is present all the configurations are erased You may prefer to import the virtual disk rather than destroy the data To clear a foreign configuration Click Clear Foreign Configuration to clear or erase all virtual disks residing on physical disks is added to the controller To exit without clearing the foreign configuration click Cancel Related Links To Locate Clear Foreign Configuration In Storage Management Importing Foreign Configurations Importing Or Recovering Foreign Configurations To Locate Clear Foreign Configuration In Storage Management For SAS controllers with firmware versions 6 1 and later 1 Inthe Server Administrator window under the system tree expand Storage to display the controller objects 2 Select a controller object 3 Click Information Configuration on the controller Properties page 4 Select Foreign Configuration Operations from the Controller Tasks drop down menu 5 Click Execute 6 Inthe Foreign Configuration Preview page click Clear For SAS controllers with firmware version 6 0 and earlier select Clear Foreign Configuration from the Controller Tasks drop down menu Physical Disks In Foreign Virtual Disks The Physical Disks in Foreign Virtual Disks page displays the physical disks and the dedicated hot spare if any included in the f
167. gn configurations that you can import NOTE Foreign Configuration Operations task is available only on PERC 6 and SAS controllers with firmware versions 6 1 and later A foreign configuration is data residing on physical disks that have been moved from one controller to another Virtual disks residing on physical disks that have been moved are considered to be a foreign configuration NOTE It is not recommended to remove an external enclosure cable while the operating system is running on the system Removing the cable could result in a foreign configuration when the connection is re established The Foreign Configuration Operations task is displayed only when a controller detects a foreign configuration Select this option and click Execute to display the Foreign Configuration Preview page The Foreign Configuration Preview page provides a preview of the foreign disks and enables you to perform operations such as importing recovering or clearing the foreign disks You can also import or clear a locked foreign configuration If any foreign configurations locked using Local Key manager LKM are detected the associated Encryption Key Identifier is displayed prompting you to provide the corresponding passphrase to unlock the drives To avoid unlocking foreign configurations and to proceed to preview import or clear a foreign configuration that has not been locked click Skip or Continue 70 If you do not want to import or clear the fore
168. h A Hot Spare For considerations regarding RAID 10 and RAID 50 virtual disks created using the controller BIOS see Dedicated Hot Spare Considerations K NOTE The CERC SATA1 5 2s controller does not support dedicated hot spares Related Links Dedicated Hot Spare Protection Policy Dedicated Hot Spare Considerations Assigning A Dedicated Hot Spare Unassigning A Dedicated Hot Spare Assigning A Dedicated Hot Spare 1 Select the disk in the Connector channel or port table that you want to use as the dedicated hot spare On some controllers more than one disk can be selected The disks you have selected as dedicated hot spares are displayed in the Disks currently configured as dedicated hot spare table 2 Click Apply Changes when ready K NOTE For PERC H310 Adapter PERC H310 Mini Monolithic PERC H310 Mini Blades PERC H700 PERC H710 Adapter PERC H710 Mini Blades PERC H710 Mini Monolithic PERC H710P Adapter PERC H710P Mini Blades PERC H710P Mini Monolithic PERC H800 and PERC H810 Adapter controllers if any of the selected physical drives are in the spun down state a message appears indicating the IDs of the spun down state and the delay in executing tasks on them Unassigning A Dedicated Hot Spare 1 Select the disk in the Disks currently configured as dedicated hot spare table to unassign it On some controllers more than one disk can be selected Clicking the disk removes the disk from the Disks currently
169. h Distributed Parity RAID 5 provides data redundancy by using data striping in combination with parity information Rather than dedicating a physical disk to parity the parity information is striped across all physical disks in the disk group 27 RAID 5 characteristics e Groups disks as one large virtual disk with a capacity of 7 1 disks e Redundant information parity is alternately stored on all disks e When a disk fails the virtual disk still works but it is operating in a degraded state The data is reconstructed from the surviving disks e Better read performance but slower write performance e Redundancy for protection of data RAID Level 6 Striping With Additional Distributed Parity RAID 6 provides data redundancy by using data striping in combination with parity information Similar to RAID 5 the parity is distributed within each stripe RAID 6 however uses an additional physical disk to maintain parity such that each stripe in the disk group maintains two disk blocks with parity information The additional parity provides data protection in the event of two disk failures In the following image the two sets of parity information are identified as P and Q 28 Strip Data Flow Starts Here gt RAID 6 characteristics e Groups disks as one large virtual disk with a capacity of 7 2 disks e Redundant information parity is alternately stored on all disks e The virtual disk remains functional
170. hat ensures maximum redundancy The algorithm also tries to match a physical disk for its mirror to a disk that is almost the same size However Intelligent Mirroring gives priority to size over redundancy The algorithm determines the candidate mirror in the following order e Across connectors at the same level of enclosure and same size e Across connectors in the enclosure that are not at the same level but of same size e Across enclosures connected to the same connector and to a disk of the same size e Within the enclosure with a physical disk of acceptable size difference e Across connectors at the same level of enclosure and of acceptable size difference e Across connectors in the enclosure that are not at the same level of the enclosure but with a physical disk of acceptable size difference If the size difference is not acceptable the disk is not mirrored and hence dropped from the span The number of spans and disks in the span is recalculated K NOTE It is recommended that you use Intelligent Mirroring to create RAID 10 across enclosures for simple and optimum configuration NOTE To view the redundancy across enclosures achieved through Intelligent Mirroring click the virtual disk and view the physical disk IDs in each span which are from alternate enclosures Select RAID 50 to implement striping across more than one span of physical disks RAID 50 groups 7 s disks as one large virtual disk with a capacity of s n
171. hat uses solid state memory to store persistent data SSDs significantly increase the 1 0 performance IOPS and or write speed in Mbps from a storage device With storage controllers you can create a CacheCade using SSDs The CacheCade is then used for better performance of the storage 1 0 operations Use either Serial Attached SCSI SAS SSDs or Serial Advanced Technology Attachment SATA SSDs to create a CacheCade Create a CacheCade with SSDs in the following scenarios e Maximum application performance Create a CacheCade using SSDs to achieve higher performance without wasted capacity e Maximum application performance and higher capacity Create a CacheCade using SSDs to balance the capacity of the CacheCade with high performance SSDs e Higher capacity If you do not have empty slots for additional HDDs use SSDs and create a CacheCade This reduces the number of HDDs required and increases application performance The CacheCade feature has the following restrictions e Only certified SSDs can be used to create a CacheCade e If you create a CacheCade using SSDs the SSD properties are still retained At a later time you can use the SSD to create virtual disks e ACacheCade can contain either SAS drives or SATA drives but not both e Each SSD in the CacheCade does not have to be of the same size The CacheCade size is automatically calculated as follows CacheCade size capacity of the smallest SSD the number of SSDs T
172. he controllers which include generating alerts initiating tasks such as a rebuild and making state changes NOTE Storage Management reports the change in state of disks and other storage components as viewed by the controller Launching Storage Management Storage Management is installed as a Server Administrator service All Storage Management features are accessible by selecting the Storage object in the Server Administrator tree view For more information on starting Server Administrator see the Server Administrator User s Guide On Systems Running Microsoft Windows To start a Server Administrator session on a local system running Microsoft Windows operating system click the Server Administrator icon on your desktop and log in using an account with Administrator privileges E NOTE Administrative privileges are required for configuration purposes On A System Running Linux And Any Remote System To start a Server Administrator session on a Linux or any remote system click the Server Administrator icon on your desktop and log in using an account with Administrator privileges Or open a web browser and type one of the following in the address field and press lt Enter gt https lt oca host gt 1311 where lt oca host gt is the assigned name for the managed system and 1311 is the default port or 19 https lt P address gt 1311 where lt P address gt is the IP address for the managed system and 1311 is the defaul
173. he current speed of the controller on that connector and the speed of the Enclosure Management Module EMM on the enclosure SAS Address Displays the SAS address of the physical disk The SAS address is unique to each SAS disk After Import Status Displays the status of the physical disk after importing the foreign configuration Possible values are Foreign Online Offline Replaced 76 Product ID Displays the serial number of the drive which can be used as a unique number to identify the disk Encryption Capable Displays whether the physical disk is a Self Encryption Disk SED The possible values are Yes and No Encrypted Displays whether the physical disk is encrypted to the controller The possible values are Yes and No For a non SED the value is N A Part Number Displays the unique Bill Of Materials assignment number for a physical disk The numbers four through eight represent the service provider part number for that model drive Setting Background Initialization Rate Does my controller support this feature See Supported Features The Set Background Initialization Rate task changes the amount of system resources dedicated to the background initialization task The background initialization rate configurable between 0 and 100 represents the percentage of the system resources dedicated for running the background initialization task At 0 the background initialization has the lowest priority for the controller
174. he device map name of the back end disk Displays the total size of the Fluid Cache Disk Configured Cache Mode Displays the configured cache mode for the Fluid Cache disk Possible values are e Write Back e Write Through Operational Cache Mode Displays the operational cache mode for the Fluid Cache disk If there is a single PCle SSD in the Fluid Cache pool this property is displayed as Write 48 Through irrespective of the Configured Cache mode If there is no PCle SSD in the Fluid Cache pool or the evaluation license has expired this property is displayed as Pass Through Possible values are e Write Back e Write Through e Pass Through Fluid Cache Pool To configure a Fluid Cache pool by adding PCle SSDs see Add PCle SSDs To Fluid Cache Pool For removing PCle SSDs from the Fluid Cache pool see Remove PCle SSDs From Fluid Cache Pool Related Links Fluid Cache Pool Properties Fluid Cache Pool Properties The table below list the Fluid Cache Pool Properties Table 8 Fluid Cache Pool Properties Cache Pool Size Displays the size of the cache pool in GiB Cache Pool High Availability The possible options are e True Indicates that the cache pool is write back capable This option is set to True when more than one PCle SSDs are part of Fluid Cache pool False Indicates that the cache pool is writethrough capable This option is set to False when only one PCle SSDs is part of Fluid Cache pool
175. he hot spare After the rebuild the former hot spare functions as a regular physical disk and the virtual disk is left without a hot spare In this case you must replace the failed disk and assign the replacement disk as a hot spare E NOTE If the redundant virtual disk does not have a hot spare assigned to it then replace the failed disk using the procedure described in Replacing a Physical Disk Receiving SMART Alerts Related Links Rebuilding Data 176 Replacing The Disk To replace the failed disk that is part of a redundant virtual disk 1 Remove the failed disk 2 Inserta new disk Make sure that the new disk has equal or greater memory space than the one you are replacing On some controllers you may not be able to use the additional space by inserting a disk that has a higher memory space A rebuild is automatically initiated because the virtual disk is redundant Related Links Virtual Disk Considerations For Controllers Assigning A Hot Spare If a hot spare was already assigned to the virtual disk then the data from the failed disk may already be rebuilt onto the hot spare In this case you need to assign a new hot spare Related Links Assigning And Unassigning Dedicated Hot Spare Assigning And Unassigning Global Hot Spare Replacing A Failed Physical Disk That Is Part Of A Non Redundant Virtual Disk If the failed physical disk is part of a nonredundant virtual disk such as RAID 0 then the failure of a singl
176. he tasks displayed on the Available Tasks drop down box can vary depending on which controller is selected in the tree view If no tasks can be performed because of controller or system configuration limitations then the Available Tasks drop down box displays No Task Available Virtual Disk Available Tasks The following is a list of possible tasks in the virtual disk Available Tasks drop down box e Reconfiguring A Virtual Disk e Format Initialize Slow And Fast Initialize e Canceling Background Initialization 141 e Restoring Dead Segments e Deleting Data On the Virtual Disk e Assigning And Unassigning Dedicated Hot Spare e Performing A Check Consistency e Canceling A Check Consistency e Pausing A Check Consistency e Resuming A Check Consistency e Blinking And Unblinking A Virtual Disk e Renaming A Virtual Disk e Split Mirror e Unmirror e Canceling A Rebuild e Changing The Virtual Disk Policy e Replacing A Member Disk e Clearing Virtual Disk Bad Blocks e Encrypting A Virtual Disk Reconfiguring A Virtual Disk Does my controller support this feature See Supported Features The Reconfigure task enables you to change the virtual disks properties For example you can use this task to add physical disks or change the RAID level Related Links Virtual Disk Task Reconfigure Step 1 of 3 Virtual Disk Task Reconfigure Step 2 of 3 Virtual Disk Task Reconfigure
177. he unused portion of SSD is wasted and cannot be used as an additional CacheCade or an SSD based virtual disk e The total amount of cache pool with a CacheCade is 512GB If you create a CacheCade which is greater than 512GB the storage controller still uses only 512GB e The CacheCade is supported only on PERC H710P PERC H800 and PERC H810 controllers with 1GB NVRAM e Ina storage enclosure the total number of logical devices including virtual disks and CacheCade s cannot exceed 64 K NOTE In order to use CacheCade for the virtual disk the Write and Read policy of the HDD based virtual disk must be set to Write Back or Force Write Back and read policy must be set to Read Ahead or Adaptive Read Ahead Related Links Managing The CacheCade Managing The CacheCade Ensure that SSDs are available in the storage enclosure before performing any CacheCade operations To create resize blink or delete the CacheCade go to the CacheCade s page The CacheCade s page is displayed 1 Inthe Server Administrator window under the System tree expand Storage 2 Click a storage controller For example PERC H710P Adapter 171 3 Click a storage controller component 4 Under Available Tasks select Manage CacheCade 5 Click Execute The CacheCade s page is displayed Related Links CacheCade Using Solid State Drives CacheCade Properties The CacheCade s page displays a table of properties for each CacheCade The follow
178. he virtual disk is cancelled or is not successful 139 This state may also be displayed when a RAID 1 RAID 10 or RAID 1 concatenated virtual disk suffers a physical disk failure In addition there are other conditions related to disk failures and the firmware that can cause a virtual disk to display a Failed Redundancy state When a virtual disk is in Failed Redundancy state performing a Check Consistency may return the virtual disk to a Ready state This state only applies to virtual disks on a CERC SATA1 5 6ch and CERC SATA1 5 2s controller Background Initialization A background initialization is being performed on the virtual disk Formatting The virtual disk is being formatted Formatting applies to the CERC SATA1 5 6ch controllers For more information see Format Initialize Slow And Fast Initialize Initializing The virtual disk is being initialized For more information see Format Initialize Slow And Fast Initialize On some controllers the virtual disk state is not updated until the controller performs an UO operation For more information see UU and Reboot Requirements for Detecting Physical Disk Status Changes Degraded Redundancy This state is applicable to RAID 6 only in which a physical disk in a redundant virtual disk is not online but the virtual disk is still accessible and functioning Partitions This property displays whether the virtual disk has a partition The possible values are Not Ava
179. ign configurations or in case of loss of the associated passphrase of the corresponding Encryption Key Identifier execute the Instant Encrypt Erase task for the physical disks A CAUTION Executing the Instant Encrypt Erase task erases all data on the physical disk Some conditions such as an unsupported RAID level or an incomplete disk group can prevent the import or recovery of foreign virtual disks Related Links Foreign Configuration Properties To Locate Foreign Configuration Operations Task In Storage Management Importing Foreign Configurations Importing Or Recovering Foreign Configurations Clearing Foreign Configuration Managing The Encryption Key Enabling Instant Encrypt Erase Foreign Configuration Properties The following table describes the properties that are displayed for the Foreign Disks and Global Hot Spares Table 16 Foreign Configuration Properties Status These icons represent the severity or health of the storage component CG Normal OK e Md WamingNon critica GB Critical Failure Error For more information see Storage Component Severity Displays the name of the foreign configuration and is available as a link This link enables you to access the physical disks that constitute the foreign disk State Displays the current state of the foreign configuration Possible values are Ready The foreign disk can be imported and functions normally after import Degraded
180. ilable and Link to the Partitions information page Virtual Disk Bad Block Displays whether the virtual disk has bad blocks Encrypted Displays whether the virtual disk is encrypted The possible values are Yes and No Hot Spare Policy Violated Displays whether the Hot Spare Protection Policy has been violated NOTE This property is displayed only if you set any Hot Spare Protection Policy For more information see Setting Hot Spare Protection Policy Displays the RAID level Displays the total capacity of the virtual disk The algorithm for calculating the virtual disk size rounds a value of 0 005 or less down to 0 00 and a value between 0 006 and 0 009 up to 0 01 For example a virtual disk size of 819 725 is rounded down to 819 72 A virtual disk size of 819 726 is rounded up to 819 73 Associated Fluid Cache State This property displays the associated Fluid Cache state of the virtual disk The possible values are Active The Fluid Cache disk is active Failed The Fluid Cache has encountered a failure of one or more components and is no longer functioning No The Fluid Cache is not enabled Disabling In this transient state the cache removal from the virtual disk is in process Displays the operating system device name for this object Bus Protocol Displays the technology that the physical disks included in the virtual disk are using Possible values are 140 Displays the media type of
181. information on SMART predictive failure analysis see Monitoring Disk Reliability On RAID Controllers For information on replacing the physical disk see Replacing A Physical Disk Receiving SMART Alerts You may also want to review the alert log to see whether the physical disk has generated alerts pertaining to a SMART predictive failure These alerts can assist you in identifying the cause of the SMART alert The following alerts may be generated in response to a SMART alert 2094 2106 2107 2108 2109 2110 2111 For information on alert messages see the Server Administrator Messages Reference Guide Displays the progress of an operation being performed on the physical disk Bus Protocol Displays the technology that the physical disk is using Possible values are e CSI Small Computer System Interface e SAS Serial Attached SCSI e SATA Serial Advanced Technology Attachment SATA Certified Indicates that the drive has firmware which has been tested and fully qualified by the service provider Drives that are not certified by the service provider may work but are not supported and recommended for use in servers 75 Displays the media type of the physical disk The possible values are HDD Hard Disk Drive A HDD is a non volatile storage device which stores digitally encoded data on rapidly rotating platters with magnetic surfaces SSD Solid State Drive An SSD is a data storage device that uses solid
182. ing Dead Segments for the physical disk If this task is not displayed then the physical disk or device cannot be recovered On the PERC 5 E controller the Offline state indicates that the disk is included in a virtual disk but it is not receiving 1 0 This may occur when a user has set the disk to Offline For more information see Setting Online And Offline Rebuilding Data from a redundant virtual disk is being rebuilt onto the physical disk or device Incompatible The physical disk or device is not suitable for a rebuild The physical disk or device may be too small or it may be using an incompatible technology For example you cannot rebuild a SAS disk with a SATA disk or a SATA disk with a SAS disk Removed The physical disk or device has been removed This state applies only to physical disks that are part of a virtual disk Clear The Clear task is being performed on the physical disk or device A physical disk or device may also display the Clear state if the physical disk or device is a member of a virtual disk that is being slow initialized For more information see Performing A Clear Physical Disk And Cancel Clear and Slow And Fast Initialize SMART Alert Detected A SMART alert predictive failure has been detected on the physical disk or device The physical disk or device may fail and should be replaced This state applies to physical disks or devices attached to non RAID controllers
183. ing The Controller Alarm 67 Disabling The Controller Alarm 68 Turning Off The Controller Alarm 68 Testing The Controller Alarm 68 Setting The atelo Nla Aa CIEE ENEE EE E E E E ATE 68 Resetting The Controller Confguration EE 69 Exporting The Controller Log File s c t ssissssccescsececcrnasedsct a aaan ra aaa aaia cath aaa Raa aaaea aieeaa aaaeei 69 Foreign Configuration Dperatons ENEE 70 Importing Foreign Configurations EE 72 Importing Or Recovering Foreign Confgurattons EE 73 Clearing Foreign Confguraton EE Physical Disks In Foreign Virtual DiSkS cccscsccecsessssscssssseecsessecesseececsesaecessaceesoesaesesesessesaesassasaesaesateesenees Setting Background Initialization Rate AEN Setting The Check Consistency Rate Setting The Reconstruct Rate ite a gheet Eet Setting The Redundant Path Configuration Setting The Patrol Read Mode Starting And Stopping Patrol Read Changing The Controller Propertes EEN Managing The Physical Disk Power Managing The Preserved Cache Encryption E Converting To Non RAID Disks sic Converting To RAID Capable Disken Viewing Available Reports 2 2cccccnet Eed e ANE Ee SERA dE Available Ee Viewing Patrol Read Reportan annae Dee deii dee EENEG Viewing Check Consistency Report Viewing Slot Occupancy Report Viewing Physical Disk Firmware Version Report 9 Enclosures And Bagkplange edu ge nien etkEer eebe 93 BETAS E E AAEE E E Eet Eege Egeter ANEA SE AAA AN EEE AEE
184. ing The Physical Disk Online Or Offline Does my controller support this feature See Supported Features The Online and Offline tasks apply only to physical disks that are included in a redundant virtual disk and attached to a PERC controller Select the Offline task to deactivate a disk before removing it Select the Online task to reactivate an offline disk In some cases you may want to use the Online task on a failed disk in an attempt to recover data from the disk Related Links Using The Physical Disk Online Command On Select Controllers Online Or Offline The Physical Disk To set the Online or Offline Task the physical disk 1 Review the physical disk that must be made online or offline There may be data loss when performing this task Back up your data if necessary If you want to blink the physical disk click Blink 2 Click Online or Offline when ready or click Return to Previous Page To Locate Online Or Offline In Storage Management To locate this task in storage management 1 In the Server Administrator window under the system tree expand Storage to display the controller objects Expand a controller object Expand a connector object Expand the enclosure or backplane object Select the Physical Disks object Select Online or Offline from the Tasks drop down menu of the physical disk you want to make online or offline d ep om P S ba Click Execute Performing A Clear Physical Disk And Cancel Clear Do
185. ing The Preserved Cache The Managed Preserved Cache feature provides you the option to ignore or restore the controller cache data In the write back policy data is written to the cache before being written to the physical disk If the virtual disk goes offline or is deleted for any reason the data in the cache is lost Data in the cache may also be lost in case of unintended cable or power failure If such a failure Storage Management preserves the data written on the preserved or dirty cache until you recover the virtual disk or clear the cache This feature is available only on SAS controllers with firmware version 6 1 and later The status of the controller is affected by the preserved cache The controller status is displayed as degraded if the controller has preserved cache 85 A CAUTION You may not be able to use Storage Management to manage the preserved cache in some cases As an example consider you have a RAID 1 level with two disks D1 and D2 If you now remove D2 the virtual disk is degraded and the data in the controller cache is written to D1 So D1 has the latest data Now if you re insert D2 and pull out D1 the virtual disk is still degraded and does not have the latest data You can discard the preserved cache only if a of the following conditions are met e The controller does not have any foreign configuration Select Click for Preview to view details of the foreign configuration See Foreign Configuration Ope
186. ing table provides a description for each property Table 37 CacheCade Properties These icons represent the severity or health of the storage component e D ein e B WT GE Critical Fatal For more information see Storage Component Severity Displays the name of the CacheCade The link enables you to access the physical disks that constitute the CacheCade Provides the size of the CacheCade Bus Protocol Displays the technology that the physical disk is using Possible values are SAS and SATA Disk Cache Policy Displays whether the disk cache policy of the physical disks that are part of the CacheCade is Enabled or Disabled See RAID Controller Read Write Cache And Disk Cache Policy Drop down list provides the available tasks for the CacheCade Creating A CacheCade To create a CacheCade 1 Inthe CacheCade s page click Create CacheCade The Create CacheCade page is displayed 2 Inthe CacheCade Group section select SATA SSD or SAS SSD if your system contains both SAS and SATA SSDs 3 Type a name for the CacheCade The size is calculated as follows CacheCade size capacity of the smallest SSD the number of SSDs 4 From the available free disks that are displayed select the SSDs that you would like to include in the CacheCade The selected disks are displayed in the Physical Disks Selected section 5 Click Finish 172 NOTE The procedure of selecting physical disks while creating a CacheCade i
187. inimum requirement Driver Version Displays the version of the drivers installed on the controller Minimum Required Driver Version Displays the minimum driver version that is required by Storage Management This property is displayed only if the controller driver does not meet the minimum requirement Number of Connector Displays the number of connectors available on the controller Each connector can be attached to physical disks or an enclosure Depending on the controller type the connector can be either a SCSI channel or a SAS port Rebuild Rate The rebuild rate is the percentage of the resources available on the system dedicated to rebuild a failed disk when a rebuild is necessary For more information on rebuild rate see Setting The Rebuild Rate 55 Property Alarm State Cluster Mode SCSI Initiator ID Storage Components For information on attached controllers see Controllers 56 Displays whether the alarm on the controller is enabled or disabled Indicates whether the controller is part of a cluster configuration Displays the SCSI ID of a SCSI controller The default value is 7 You can change the default value in the BIOS When controllers in a cluster configuration display duplicate SCSI Initiator IDs refer to SCSI documentation Storage Management displays Not Applicable on some controllers when this property is not available Controllers This chapter provides information about the s
188. ion Indicates that the physical drive is changing from the spun down state to spun up state Spun Up Indicates that the physical drive is in the spun up state Displays the name of the physical disk or device The name comprises of the connector number followed by the disk number Displays the current state of the physical disk or device Possible values are Ready The physical disk or device is functioning normally If the disk is attached to a RAID controller Ready indicates that the disk is available to be used by a virtual disk When the physical disk or device is used in a virtual disk the state changes to Online 121 Online Indicates that the physical disk is part of a virtual disk and is functioning normally For more information see Setting Online And Offline Degraded The physical disk or device has encountered a failure and is operating in a Degraded state Failed The physical disk or device has encountered a failure and is no longer functioning This state is also displayed when a physical disk or device that is part of a redundant virtual disk is offline or deactivated For more information see Setting Online And Offline Offline The physical disk or device has failed or contains dead segments Check to see if the Remove Dead Segments task appears on the physical disk drop down menu If it does perform a rescan of the controller Rescanning The Controller and then remove the dead segment Remov
189. ion On SCSI Controllers NEEN 176 Replacing A Failed DISK zioni aa T E a aE A EE A AE 176 Using The Physical Disk Online Command On Select Controllers AE 177 Recovering From Removing The Wrong Physical Disk EEN 178 Resolving Microsoft Windows Upgrade Problems Virtual Disk Troubleshooting A Rebuild Does Not Work 178 A Rebuild Completes With Error 179 Cannot Create A Virtual Disk 179 A Virtual Disk Of Minimum Size Is Not Visible To Windows Disk Management 179 Virtual Disk Errors On Systems Running LiNuX s ssssesssssssssssssrsssssrsriiesnsnitntnnnnrtnnnntnntnnnnnnnt annn nnnn nennen annn nnn na 180 Problems Associated With Using The Same Physical Disks For Both Redundant And Non Redundant Vilent EI ENE cewek vere T aaa et vil ener E Specific Problem Situations And Solutions Physical Disk Is Offline Or Displays An Error Status 181 Receive A Bad Block Alert With Replacement Sense Or Medium Error 181 Alerts 2146 Through 2150 Received During A Rebuild Or While A Virtual Disk Is Degraded 181 Alerts 2146 Through 2150 Received While Performing 1 0 Consistency Check Format Or Other Operations cas ee SEENEN E NEE ERAN Eed Read And Write Operations Experience Problems A Task Menu Option Is Not Displaved ENEE A Corrupt Disk Or Drive Message Suggests Running Autocheck During A Reboot 182 Erroneous Status And Error Messages After A Windows Hibernation s ssssssssssssrsssssrssissssrrsrensnrsrnerennn 182
190. isk ID state and size 104 To Locate View Slot Occupancy Report In Storage Management In the Server Administrator window under the system tree expand Storage to display the controller objects Expand a controller object Select the connector object Select the enclosure object Click Information Configuration Select View Slot Occupancy Report from the Available Tasks drop down menu Gd Sp SL gt OY gt Click Execute Changing The Mode On 220S And 221S Enclosures Make sure that you turn off the enclosure before you toggle the bus configuration switch on a 220S or 221S enclosure the enclosure should be powered off The bus configuration switch is used to change the enclosure to split bus joined bus or clustered mode If you change the 220S or 221S enclosure mode with the enclosure turned on the enclosure may no longer be displayed by Storage Management and you may notice erratic behavior In addition the bus configuration switch on these enclosures is not rated for frequent toggling Enclosure Management In addition to the enclosure tasks the following activities may be required for enclosure management e identifying the service tag of the enclosure To identify the service tag of the enclosure select the enclosure in the tree view and click Information Configuration The Information Configuration page displays the service tag and other enclosure properties e Identifying the Express Service Code of the enclosure
191. isplays the name of the PCle SSD The name comprises the bay ID and the slot in which the PCle SSD is installed Bus Protocol Displays the technology that the PCle SSD is using Device Life Status Displays the life status of the PCle SSD The device life status is determined by the following attributes Percent Lifetime Used This attribute is determined by the elapsed time since the start of use up to three years or percentage of total bytes written TBW Write Protect Progress This attribute is determined by the reduction in number of available spare sectors If the available spare sectors is less than 10 percent of the original pool the drive enters read only mode Possible values for the device life status are Drive Health Good The drive is used within the TBW specification The drive health is good as sufficient spare blocks are available The drive health status is good if the values for percent lifetime used and write protect progress is less than 100 percent Approaching Warranty Coverage Expiry The drive is reaching the specified TBW indicating that it is close to the end of warranty coverage However the drive will be functional as the number of spare blocks available are still above the threshold for entering the read only mode The drive approaches the warranty coverage expiry if the value for percent lifetime used is greater than or equal to 90 percent and that for write protect progress is less than
192. isplays the summary of the attributes of the virtual disk in which you replaced the member disk Use this page to review your changes before completing the virtual disk replace member task To Replace a Member Disk Step 2 of 2 1 Review your changes The source Physical Disk table displays details of the source physical disk The destination Physical Disk table displays details of the destination physical disk 2 Click Finish to complete the replace member task 160 If you want to change the replace member click Go Back to Previous Page To exit without making changes click Cancel Related Links Replacing A Member Disk Enabling Fluid Cache On Virtual Disks Caching can be enabled at the virtual disk level only if the virtual disk does not have any partitions If the virtual disk has partitions the caching can be enabled at the partition level For more information see Enabling Fluid Cache On Virtual Disk Partitions To enable Fluid Cache on a virtual disk 1 Onthe left hand side of the Storage Management page expand Storage 2 Click on the lt Controller Name gt 3 Click on Connector 4 Click on Virtual Disks The Virtual Disk on lt Controller Name gt page is displayed with the list of virtual disks for the controller 5 From the Tasks drop down list corresponding the virtual disk for which you want to enable the cache select Enable Fluid Cache 6 Click Execute 7 Select the Write cache mode The availabl
193. k replace the failed disk as described previously in Replacing A Failed Disk That Is Part Of A Redundant Virtual Disk or Replacing A Failed Physical Disk That Is Part Of A Non Redundant Virtual Disk Related Links 177 Setting The Physical Disk Online Or Offline Recovering From Removing The Wrong Physical Disk If the physical disk that you mistakenly removed is part of a redundant virtual disk that also has a hot spare then the virtual disk rebuilds automatically either immediately or when a write request is made After the rebuild has completed the virtual disk no longer has a hot spare since data has been rebuilt onto the disk previously assigned as a hot spare In this case assign a new hot spare H the physical disk that you removed is part of a redundant virtual disk that does not have a hot spare then replace the physical disk and perform a rebuild task For information on rebuilding physical disks and assigning hot spares see Understanding Hot Spares You can avoid removing the wrong physical disk by blinking the LED display on the physical disk that you intend to remove For information on blinking the LED display see Blinking And Unblinking A Physical Disk Resolving Microsoft Windows Upgrade Problems If you upgrade the Microsoft Windows operating system on a server you may find that Storage Management no longer functions after the upgrade The installation process installs files and updates registry entries
194. k and not from the cache Write Policy Does my controller support this feature See Supported Features The write policies specify if the controller sends a write request completion signal as soon as the data is in the cache or after it has been written to the disk e Write Back The controller sends a write request completion signal as soon as the data is in the controller cache but has not yet been written to disk Write back caching may provide improved performance since subsequent read requests can retrieve data quickly from the cache then from the disk However data loss may occur in the event of a system failure which prevents that data from being written on a disk Other applications may also experience problems when actions assume that the data is available on the disk K NOTE Storage Management does not allow you to select the Write Back policy for controllers that do not have a battery The only exceptions are PERC S100 and PERC S300 This restriction protects a controller without a battery from the loss of data that may occur in the event of a power failure On some controllers the Write Back policy may be available in the controller BIOS even though it is not available in Storage Management e Force Write Back The write cache is enabled regardless of whether the controller has a battery If the controller does not have a battery and force write back caching is used data loss may occur in the event of a power failure
195. ks residing on physical disks attached to the controller To exit without importing or recovering the foreign configuration click Cancel To Locate Import Or Recover Foreign Configuration In Storage Management For SAS controllers with firmware versions 6 1 and later In the Server Administrator window under the system tree expand Storage to display the controller objects Select a controller object Click Information Configuration on the controller Properties page Select Foreign Configuration Operations from the Controller Tasks drop down menu Click Execute SS S Ze ANS In the Foreign Configuration Preview page click Import Recover For SAS controllers with firmware version 6 0 and earlier select Import Recover Foreign Configuration from the Controller tasks Clearing Foreign Configuration Does my controller support this feature See Supported Features 73 After moving a physical disk from one controller to another you may find that the physical disk contains all or some portion of a virtual disk foreign configuration You can identify whether a previously used physical disk contains a foreign configuration virtual disk by checking the physical disk state If the physical disk state is Foreign then the physical disk contains all or some portion of a virtual disk Use the Clear Foreign Configuration task to clear or erase the virtual disk information from the newly attached physical disks K NOTE The Clear Forei
196. l Disks Per Virtual Disk e Number Of Virtual Disks Per Controller e Calculation For Maximum Virtual Disk Size You may also want to review the following sections e RAID Controller Read Write Cache And Disk Cache Policy e Understanding Hot Spares e Controller Supported Stripe Sizes e Rescanning To Update Storage Configuration Changes e Time Delay In Displaying Configuration Changes NOTE In addition to this document review the hardware documentation that is provided with the controllers Reviewing the hardware documentation along with this document may provide a better understanding of the controller limitations Virtual Disk Considerations For Controllers In addition to the considerations described in this section you should also be aware of the controller limitations described in Number of Physical Disks per Virtual Disk for the following controllers e PERC 5 E and PERC bail 131 PERC 6 E and PERC 6 l PERC H310 Adapter PERC H310 Mini Monolithic and PERC H310 Mini Blades PERC H700 PERC H710 Adapter PERC H710 Mini Blades PERC H710 Mini Monolithic PERC H800 PERC H810 Adapter The following considerations apply when creating virtual disks Creating virtual disks on controllers When you create a virtual disk you specify which physical disks are to be included in the virtual disk The virtual disk you create spans the specified physical disks Depending on the size of the virtua
197. l disk the virtual disk may not consume all of the space on the physical disks Any leftover space on the physical disks cannot be used for a second virtual disk unless the physical disks are of equal size In addition when the physical disks are of equal size and you use the leftover space for a second virtual disk this new virtual disk cannot expand to include any physical disks not included in the original virtual disk Space allocation when deleting and creating virtual disks on controllers When you delete a virtual disk you free up or make available space on the physical disks that was being used by the deleted virtual disk If you have created several virtual disks on a disk group then deleting virtual disks can result in pockets of free space residing in various locations on the physical disks When you create a new virtual disk the controller must decide which free space on the physical disks to allocate to the new virtual disk The PERC controllers look for the largest area of free space and allocate this space to the new virtual disk SCSI limitation of 2TB Virtual disks created on a PERC controller cannot be created from physical disks with an aggregate size greater than 2TB This is a limitation of the controller implementation For example you cannot select more than 30 physical disks that are 73GB in size regardless of the size of the resulting virtual disk When attempting to select more than 30 disks of this size a pop up mess
198. lane Features Supported Features On The PERC 5 PERC 6 And CERC 6 Controllers This section identifies the controller supported features and whether an enclosure can be attached to the PERC 5 E PERC 5 i PERC GIE PERC GI PERC 6 1 Modular and CERC 6 I controllers e Controller Tasks e Battery Tasks e Connector Tasks e Physical Disk Tasks e Virtual Disk Tasks e Virtual Disk Specifications e Supported RAID Levels e Read Write Cache And Disk Cache Policy e Enclosure Support For enclosure supported tasks see Enclosure And Backplane Features Controller Tasks Supported On The PERC 5 PERC 6 And CERC 6 I Controllers Table 38 Controller Tasks Supported on the PERC 5 PERC 6 and CERC 6 Controllers Controller Task PERC 5 E PERC 5 1 PERC 6 E PERC oi PERC ol CERC oi Name Modular Enable Alarm Yes NA Test Alarm 189 Controller Task PERC 5 E PERC 5 I PERC 6 E PERC 6 l PERC ol CERC oi Name Modular Yes Reset Configuration Set Rebuild Rate Set Background Initialization Rate Set Check Consistency Rate Set Reconstruct Rate Rescan Controller Create Virtual Disk Export Log File Yes Clear Foreign Configuration Import Foreign Yes Configuration Import Yes with Yes with Yes Recover firmware 5 1 x firmware 5 1 x Foreign or greater or greater Configuration Set Patrol Read Mode Start Patrol Read Stop Patrol Yes Yes Yes Read Replace No Yes
199. lane Features This section identifies the features supported by the enclosure or backplane e Enclosure and Backplane Tasks For information on controller supported features see e Supported Features On The PERC 5 PERC 6 And CERC 6 I Controllers e Supported Features On The SAS 5iR SAS DUR And PERC H200 Controllers e Supported Features on the PERC H310 Adapter A PERC H310 Mini Monolithic MM PERC H310 Mini Blades MB Controllers see Supported Features On The PERC Hardware Controllers e Supported Features on the PERC H700 PERC H710 A PERC H710 MB PERC H710 MM PERC H710P A PERC H710P MB and PERC H710P MM Controllers see Supported Features On The PERC Hardware Controllers e Supported Features on the PERC H800 and PERC H810 A Controllers see Supported Features On The PERC Hardware Controllers Enclosure And Backplane Tasks Table 78 Enclosure Tasks for Controllers Enclosure Tasks MD1000 MD1200 Storage Ce Enable Alarm Alarm Set Asset Data includes asset tag and asset name Controller Reports 222 Maximum Supported Configuration For SAS Controllers Table 79 Maximum Supported Configuration for SAS Controllers Maximum Supported Configuration SAS MD 1000 MD 1120 SAS MD 1200 MD 1220 External controllers on each Server 2 a External connectors on each 2 2 controller b 2 Enclosures per connector c Total numbers of enclosures ona server a xb xc 223 224 21 Dete
200. lane and replacing it causes the physical disk or device to spin up and return to Ready state In some cases a rescan is required for the controller to recognize configuration changes such as the removal of a disk or device 126 NOTE This procedure is not available for physical disks or devices that have been assigned as a hot spare or physical disk or devices that are part of a virtual disk In addition this procedure is only supported for hotswap physical disks or devices disks that reside in a carrier Related Links Rescanning To Update Storage Configuration Changes Rebuilding Data Does my controller support this feature See Supported Features Select the Rebuild task to reconstruct data when a physical disk in a redundant virtual disk fails K NOTE Rebuilding a disk may take several hours Related Links Replacing A Failed Disk That Is Part Of A Redundant Virtual Disk Canceling A Rebuild Does my controller support this feature See Supported Features Select the Cancel Rebuild task to cancel a rebuild that is in progress If you cancel a rebuild the virtual disk remains in a Degraded state The failure of an additional physical disk can cause the virtual disk to fail and may result in data loss It is recommended that you rebuild the failed physical disk as soon as possible K NOTE If you cancel the rebuild of a physical disk that is assigned as a hot spare reinitiate the rebuild on the same physical disk in orde
201. le for a limited number of nodes indicated by the Node Limit field License state Indicates the license state for the Fluid Cache e Valid The license is valid e Expired The license has expired Software Service Tag Indicates the Service Tag of the license Duration Indicates the time line by which this license expires This is applicable only for evaluation licenses License Node Limit Indicates the number of nodes on which a single Node license can be installed K NOTE This field is applicable for a Node license Feature ID Indicates the ID of the Fluid Cache products The default ID for Direct Access Storage is 01 Feature Description Describes the features of the installed license To upgrade an existing license use the Apply new license field Click Browse to select the stored license and click Apply to activate the license You can upgrade the license from evaluation to node Click Exit Wizard to go back to the Information Configuration page 52 Storage Information And Global Tasks Use the Storage information and Global Tasks window to view high level information about the storage components or devices on your system These windows also allow you to launch global tasks that affect all controllers attached to the system Related Links Storage Properties Global Tasks Storage Controller Properties Storage Properties The Storage tree view object has the following properties Table 12 Storage
202. le speed that the device can transfer data Manufacture Day Displays the day of the month when the physical disk was manufactured Manufacture Week Displays the week of the year when the physical disk was manufactured Manufacture Year Displays the year when the physical disk was manufactured SAS Address Displays the SAS address of the physical disk The SAS address is unique to each SAS disk Physical Disk Or Physical Device Tasks To execute a physical disk or physical device task Expand the Storage tree object to display the controller objects In the Server Administrator window under the system tree expand Storage to display the controller objects Expand a connector object Expand the enclosure or backplane object Select Physical Disks or Physical Devices object Click Information Configuration on the controller Properties page Select a task from the drop down menu eon Par Sa nN gt Click Execute E NOTE Different controllers support different features For this reason the tasks displayed on the tasks drop down menu can vary depending on which controller is selected in the tree view No Task Available is the only option in the drop down list box when no tasks can be performed because of controller or system configuration limitations Physical Disk Tasks The following are the list of tasks that you can perform on a physical disk e Blinking And Unblinking A Physical Disk e Removing Dead Segments e A
203. ler Information Configuration page the Encryption Key Present is set to Yes and the Encryption mode is set to LKM Changing Or Deleting The Encryption Key You can change an encryption key of a controller if the controller already has a configured encryption key You can delete an encryption key for encrypted controllers only if there are no encrypted virtual disks To change the encryption key type the New Encryption Key Identifier and Passphrase You are prompted to authenticate the current Passphrase Ensure that you read the note on the importance of passphrase and consequences of not saving the same before applying the changes When you change the encryption key the existing configuration on the controller is updated to use the new encryption key If you have removed any of the encrypted drives previously you must authenticate with the old passphrase to import the encrypted drives When changing the encryption key you can also save or update the new encryption key credentials to a file in the system where Distributed Web Service is running Select the Escrow check box If you have already saved the encryption key credentials for a controller providing the path of the file updates the credentials for that controller If the credentials are for a new controller the details are appended in the same file If you have not saved the credentials to a file you can provide the path on which the file must be saved The path must contain a filena
204. leting a virtual disk the following considerations apply e There are particular considerations for deleting a virtual disk from a cluster enabled controller e tis recommended that you reboot the system after deleting the virtual disk Rebooting the system ensures that the operating system recognizes the disk configuration correctly e If you delete a virtual disk and immediately create a new virtual disk with all the same characteristics as the one that was deleted the controller recognizes the data as if the first virtual disk were never deleted In this situation if you don t want the old data after recreating a new virtual disk reinitialize the virtual disk To Locate Delete In Storage Management 1 In the Server Administrator window under the system tree expand Storage to display the controller objects Expand a Controller object Select the Virtual Disks object Select Delete from the Available Tasks drop down menu Em P ON Click Execute Renaming A Virtual Disk Does my controller support this feature See Supported Features Renaming a virtual disk enables you to change the name of the virtual disk The numbering format for the virtual disk remains unchanged Depending on the controller you have there are different considerations regarding the controller BIOS The virtual disk name can contain only alphanumeric characters as well as spaces dashes and underscores The maximum length of the name depends on the controller
205. ller This property is Not Applicable for physical disks or devices attached to non RAID controllers In certain circumstances the Used RAID Disk Space displays a value of zero even though a portion of the physical disk or device is being used This occurs when the used space is 0 005GB or less The algorithm for calculating the used disk space rounds a figure of 0 005GB or less to 0 Used disk space that is between 0 006GB and 0 009GB is rounded up to 0 01GB Available RAID Disk Space Displays the amount of available space on the disk This property is Not Applicable for physical disks attached to non RAID controllers Hot Spare Indicates whether the disk has been assigned as a hot spare This property is Not Applicable for physical disks attached to non RAID controllers Vendor ID Displays the hardware vendor of the disk Product ID Displays the product ID of the disk Displays the revision number of the disk Serial No Displays the serial number of the disk Displays the Piece Part Identification PPID of the physical drive 124 DER Negotiated Speed Displays the speed of data transfer that the disk negotiated while spinning up and upon initial communication with the controller This speed is dependent on the speed of the disk the capable speed of the controller the current speed of the controller on that connector and the speed of the Enclosure Management Module EMM on the enclosure Capable Speed Displays the highest possib
206. mber of Spans per Virtual Disk Maximum Number of Physical Disks per Span Minimum Stripe Size Maximum Stripe Size Maximum Number of 205 Virtual Disk PERC H800 PERC H810 PERCH700 PERC H710 Specificatio Adapter Adapter Mini Blade n Integrated Modular Virtual Disks per Disk Group Maximum Number of Physical Disks that can be Concatenate d Maximum Number of Physical Disks in a RAID 0 Maximum Number of Physical Disks in a RAID 1 Number of Physical Disks in a RAID 5 3 2 Maximum 3 Maximum 2 Number of Physical Disks in a RAID 10 Maximum 2 Number of Physical Disks in a RAID 50 Minimum Number of Physical Disks that can be 206 NA 2 2 56 56 NA E LI IT PERC H310 Adapter Mini Blade Mini Monolithic Virtual Disk PERC H800 PERC H810 PERC H700 PERCH710 PERCH710 PERCH710P PERC H310 Specificatio Adapter Adapter Mini Blade Adapter Adapter Integrated Mini Mini Blade Modular Monolithic Mini Monolithic Minimum Number of Physical Disks ina RAID 0 Minimum Number of Physical Disks ina RAID 1 Minimum Number of Physical Disks ina RAID 5 Minimum Number of Physical Disks ina RAID 10 Minimum Number of Physical Disks ina RAID 50 Maximum Number of Physical Disks ina RAID 6 Maximum Number of Physical Disks ina RAID 60 Minimum Number of Physical 207 PERC H800 PERC H810 Adapter Virtual
207. me with an xml extension On applying changes this file is created with the credentials If you delete the encryption key you cannot create encrypted virtual disks and all encrypted unconfigured self encrypting drives are erased However deleting an encryption key does not affect encryption or data in foreign disks If you have saved the encryption key credentials to a file deleting the encryption key does not delete the file Managing the file is the responsibility of the administrator Managing The Encryption Key K NOTE To configure encryption SED is not required The encryption settings are used to configure the virtual disk and the SED K NOTE On controller when encryption is disabled manually enable encryption for virtual disks created using SED drives If the virtual disk is created after encryption is enabled on a controller the virtual disk is automatically encrypted it will automatically be configured as an encrypted virtual disk unless the enabled encryption option is disabled during the advance configuration virtual disk creation On an encryption capable controller the Manage Encryption Key task allows you to enable encryption in LKM mode If you enable LKM you can create an encryption key on an encryption capable controller and save it locally You can also change or delete the encryption key K NOTE This task is available only on PERC H7x0 and H8x0 controllers Related Links Passphrase 87 Manage Encryptio
208. n Key Task In Storage Management To go to the Manage Encryption Key task in Storage Management 1 Inthe Server Administrator window under the system tree select Storage 2 Goto Storage Dashboard Available Tasks drop down menu Manage Encryption Key 3 Click Execute Manage Encryption Key Task In Storage Management Method 2 Alternatively to go to Manage Encryption Key task in Storage Management Expand the Storage tree object to display the controller objects Select an encryption capable controller object 1 2 3 Click Information Configuration 4 Select Manage Encryption Key from the Controller Tasks drop down menu 5 Click Execute If the controller is encryption capable and an encryption key is not present then the Create Encryption Key page is displayed Else the Change or Delete Encryption Key page is displayed Converting To Non RAID Disks On PERC H310 adapters 1 In the Server Administrator window under the system tree expand Storage to display the controller objects 2 Select the Controller object 3 Click Information Configuration on the controller Properties page 4 In the controller tasks drop down menu select the task Convert to Non RAID disks The disks in Ready state are displayed 5 Select the drives that you want to convert 6 Click Apply An acknowledgement that the disks have been converted is displayed Related Links Converting To RAID Capable Disks Converting To RAID Capa
209. n cycle Maximum Learn Delay Displays the maximum number of days and hours that you can delay the battery learn cycle The controller firmware automatically initiates the battery learn cycle You cannot stop or pause the learn cycle but you can delay it For more information see Initiating The Battery Delay Learn Cycle and Starting A Learn Cycle Related Links Battery Available Tasks Battery Tasks To access the battery tasks 1 In the Server Administrator window under the system tree expand the Storage dashboard to display the controller objects Expand a controller object 2 3 Select Battery 4 Select a task from the Available Tasks drop down menu 5 Click Execute Battery Available Tasks The available battery tasks are e Starting A Learn Cycle e Battery Transparent Learn Cycle e Initiating The Battery Delay Learn Cycle Related Links Battery Properties And Tasks Starting A Learn Cycle Does my controller support this feature See Supported Features Select the Start Learn Cycle task to initiate the battery learn cycle The battery learn cycle discharges and then fully charges the controller battery The learn cycle recalibrates the battery integrated circuit so that the controller can determine whether the battery can maintain the controller cache for the prescribed period in the event of a power loss 116 While the learn cycle is in progress the battery may not be abl
210. n the Storage properties page 3 Select Global Rescan from the Global Tasks drop down list box 4 Click Execute Enabling Or Disabling A Smart Thermal Shutdown By default the operating system and server turn off when the 220S and 221S enclosures reach a critical temperature of 0 or 50 degrees celsius You can change the setting to Enable Smart Thermal Shutdown in Global Tasks to ensure that only the enclosure and not the operating system or server is turned off when the enclosure reaches a critical temperature If the enclosure has virtual disks that are channel redundant then the enclosure can be turned off while redundant data continues to be available on another channel K NOTE Only SCSI controllers support Smart Thermal Shutdown To enable or disable thermal shut down 1 In the Server Administrator window under the System tree expand Storage 2 Click Information Configuration on the Storage Properties page 3 From the Global Tasks drop down list box select Enable Smart Thermal Shutdown or Disable Smart Thermal Shutdown 4 Click Execute Related Links Channel Redundancy And Thermal Shutdown Storage Controller Properties The information displayed for each controller can vary depending on the controller characteristics NOTE The firmware and drivers listed in the Server Administrator Readme refer to the minimum supported version for these controllers Later versions of the firmware and drivers are also supporte
211. nable the enclosure alarm When enabled the alarm turns on when any of the following events occur e Enclosure temperature has exceeded the warning threshold e Power supply fan or enclosure management module EMM has failed e Split bus is not installed A split bus is indicated by a single triangle symbol on the back of the enclosure Related Links Using Alarms To Detect Failures Disabling The Enclosure Alarm Does my enclosure support this feature See Supported Features Select the Disable Alarm task to disable the enclosure alarm The alarm is turned off when the enclosure exceeds a warning threshold for temperature or experiences other error conditions such as a failed fan power supply or controller If the alarm is already turned on you can turn it off with this task Setting Asset Data Does my enclosure support this feature See Supported Features You can change the asset tag and asset name of the enclosure The new asset tag and asset name that you specify are displayed on the Information Configuration of the enclosure 102 Changing The Asset Tag And Asset Name Of An Enclosure To change the asset tag and asset name of the enclosure 1 Type the new asset tag name in the New asset tag field You can specify an inventory number or other useful information for your environment The asset tag typically refers to the enclosure hardware 2 Type the new asset name in the New asset name field You can specify a name
212. nding upon the RAID configuration you selected You can specify a different size The virtual disk size must be within the minimum and maximum values displayed near the Size field In some cases the virtual disk is slightly larger than the size you specify The Create Virtual Disk Wizard adjusts the size of the virtual disk to avoid rendering a portion of the physical disk space unusable Select a stripe size from the Stripe Element Size drop down list box The stripe size refers to the amount of space that each stripe consumes on a single disk Select the required read write and disk cache policy from the respective drop down list box These selections can vary depending on the controller NOTE There is limited support for write policy on controllers that do not have a battery The cache policy is not supported on controllers that do not have a battery NOTE If you have selected the Create Encrypted Virtual Disk option in Create Virtual Disk Advanced Wizard then in the Summary of Virtual Disk Attributes an Encrypted Virtual Disk attribute is displayed with a value Yes Click Span Edit to edit the spans created in Create Virtual Disk Advanced Wizard The Span Edit option is available only if the controller is a SAS controller with firmware 6 1 and later and if you selected RAID 10 K NOTE If you click Span Edit Intelligent Mirroring that has already been applied becomes invalid Click Finish to complete the virtual disk creation
213. ndows Disk Management If you create a virtual disk using the minimum allowable size in Storage Management the virtual disk may not be visible to Windows Disk Management even after initialization This occurs because Windows Disk Management is only able to recognize extremely small virtual disks if they are dynamic It is advisable to create virtual disks of larger size when using Storage Management 179 Virtual Disk Errors On Systems Running Linux On some versions of the Linux operating system the virtual disk size is limited to 1TB If you create a virtual disk that exceeds the 1TB limitation your system may experience the following behavior e UO errors to the virtual disk or logical drive e Inaccessible virtual disk or logical drive e Virtual disk or logical drive size is smaller than expected If you have created a virtual disk that exceeds the 1TB limitation you must 1 Back up your data 2 Delete the virtual disk 3 Create one or more virtual disks that are smaller than 1TB 4 Restore your data from backup Irrespective of whether your Linux operating system limits the virtual disk size to 1TB the virtual disk size depends on the version of the operating system and any updates or modifications that you have implemented For more information on operating system see your operating system documentation Problems Associated With Using The Same Physical Disks For Both Redundant And Non Redundant Virtual Disks When crea
214. nthe Size field type the size of the virtual disk The virtual disk size must be within the minimum and maximum values displayed near the Size field For information on how the maximum virtual disk size is calculated see Calculation For Maximum Virtual Disk Size In some cases the virtual disk is slightly larger than the size you specify The Create Virtual Disk Wizard adjusts the size of the virtual disk to avoid rendering a portion of the physical disk space unusable 3 Click Finish to complete the virtual disk creation For PERC H700 and PERC H800 controllers if any of the drives you selected is in the spun down state the following message is displayed The below listed physical drive s are in the SpunDown state Executing this task on these drive s takes additional time because the drive s need to spun up The message displays the ID s of the spun down drive s Click Go Back To Previous Page to return to Create Virtual Disk Express Wizard page if you want to change your selections Click Exit Wizard to cancel the virtual disk creation The virtual disk is displayed in the Virtual Disk s on Controller lt Controller Name gt page Create Virtual Disk Advanced Wizard Does my controller support this feature See Supported Features The Create Virtual Disk Advanced Wizard allows you to specify the read write and cache policy and parameters such as RAID level bus protocol media type and encrypted disk
215. nverts a disk to a Non RAID disk After converting a disk to non RAID the disk is exposed to the operating system unlike unconfigured good disks and it enables usage of disk in direct pass through mode This task is supported on H310 controllers 130 14 Virtual Disks A virtual disk refers to a storage created by a RAID controller from one or more physical disks Although a virtual disk may be created from several physical disks it is viewed by the operating system as a single disk Depending on the RAID level used the virtual disk may retain redundant data if there is a disk failure or have particular performance attributes E NOTE Virtual disks can only be created on a RAID controller Related Links Understanding RAID Concepts Deleting A Virtual Disk Considerations Before Creating Virtual Disks Different controllers have particular characteristics in the way they implement virtual disks These characteristics may include use of disk space limitations on the number of virtual disks per controller and so on It can be helpful to understand these characteristics before creating virtual disks on the controller The following sections describe controller information that applies to virtual disks e Virtual Disk Considerations For Controllers e Problems Associated With Using The Same Physical Disks For Both Redundant And Non Redundant Virtual Disks e Virtual Disk Considerations On Systems Running Linux e Number Of Physica
216. odular Policy Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No Read Yes Yes Yes Yes Ahead Disabled Yes Yes Yes Force Write Back Enabled Always 197 Read Write PERC 5 E PERC 5 I PERC 6 E PERC Gi PERC Gil CERC Gi and Cache Modular Policy Write Cache Enabled Protected Cache Policy Cache Policy Nyo e Iw ae a a a Policy So rbl revo fw eit ite ide id Enclosure Support On The PERC 5 PERC 6 And CERC 6 I Controllers Table 46 Enclosure Support on the PERC 5 E PERC 6 and CERC ol Controllers Enclosure PERC 5 E PERC Sail PERC 6 E PERC Gil PERC 6 I CERC ail Support Modular Can an Yes Yes No No enclosure be attached to this controller Supported Features On The PERC Hardware Controllers This section identifies the controller supported features and whether an enclosure can be attached to the following e PERC H800 and PERC H810 Adapter controllers e PERC H700 Adapter PERC H700 Integrated and PERC H700 Modular controllers e PERC H710 Adapter PERC H710 Mini Blades and PERC H710 Mini Monolithic controllers e PERC H310 Adapter PERC H310 Mini Monolithic and PERC H310 Mini Blades controllers The features comprise the following e Controller Tasks e Battery Tasks e Connector Tasks e Physical Disk Tasks e Virtual Disk Tasks e Virtual Disk Specifications e Supported RAID Levels e Read Write Cache And Disk Cache Policy
217. of Oracle Corporation and or its affiliates Citrix Xen XenServer and XenMotion are either registered trademarks or trademarks of Citrix Systems Inc in the United States and or other countries VMware Virtual SMP vMotion vCenter and vSphere are registered trademarks or trademarks of VMware Inc in the United States or other countries IBM is a registered trademark of International Business Machines Corporation 2013 05 Rev A00 Contents TE What Is New In This Release Before Installing Storage Management Version Requirements For Controller Firmware And Drivers 15 Supported Controllerssiccicccscceccsccscccecctdcevsescvessecsbevedcscseucveusecvevted clescecceavadescvesvesvevseyead SEENEN AA 16 Supported Ene lS Wee eeh eier nid aiid dledwatd aa Ee edu AE 16 Support For Disk And Volume Management 17 2 Getting Ka nt EN 19 Launching Storage Management 19 On Systems Running Microsoft Windows 19 On A System Running Linux And Any Remote System 19 User NEE Using The Graphical User Interface Storage ll EE U Information Configurationes AEN Eed AE Using The Storage Management Command Line Interface AEN 20 Displaying The Online Help 20 COMMON Stora GO TASKS aaea AAA ERR gel cube aaa iaiia a EE 21 3 Understanding RAID Concepts s seeossrenssssrnnenssssrnnnneosnrnrenoosrnrenoossnnrrneonnnnnneonnnnnnenennnnnnnes 23 What IS EY 1D KAASE EA AE SE de eege E E E SE AEE 23 Hardware And Software
218. off the controller alarm However the controller alarm remains enabled for future device failure Testing The Controller Alarm Does my controller support this feature See Supported Features Select the Test Alarm task to test whether the controller alarm is functional The alarm sounds for about 2 seconds Setting The Rebuild Rate Does my controller support this feature See Supported Features The Set Rebuild Rate task allows you to change the rebuild rate for a controller During a rebuild the complete contents of a physical disk are reconstructed The rebuild rate configurable between 0 and 100 represents the percentage of the system resources dedicated for rebuilding failed physical disks At 0 the rebuild has the lowest priority for the controller takes the maximum time to complete and is the setting with the least impact to system performance A rebuild rate of 0 does not mean that the rebuild is stopped or paused At 100 the rebuild is the highest priority for the controller minimizes the rebuild time and is the setting with the most impact to system performance On the PERC controllers the controller firmware also uses the rebuild rate setting to control the system resource allocation for the following tasks e Performing A Check Consistency e Background Initialization See Cancelling Background Initialization e Full Initialization A BIOS setting determines whether a full or fast initialization occurs Se
219. on a redundant virtual disk For more information see Performing A Check Consistency Reconstruct Rate The reconstruct rate is the percentage of resources available on a system dedicated to reconstruct a disk group after adding a physical disk or changing the RAID level of a virtual disk residing on the disk group For more information on reconstruct rate see Setting The Reconstruct Rate Alarm State Displays whether the alarm on the controller is enabled or disabled K NOTE This property is displayed only for SCSI storage controllers Abort Check Consistency on Error Enables you to stop the Check Consistency operation on error This property is available only on controllers that have controller firmware version 6 1 and later Allow Revertible Hot Spare and Enables the automatic copying of data from a physical disk to a hot spare in Replace Member case of predictive failure or from a hot spare to a physical disk in case of replacement of a degraded disk For more information see Enabling Revertible Hot Spare Loadbalance Provides the ability to automatically use both controller ports or connectors connected to the same enclosure to route I O requests This property is available only on SAS controllers that have controller firmware version 6 1 and later Auto Replace Member on Enables the automatic copying of data from a physical disk to a hot spare in case Predictive Failure of predictive failure Use this property in conjunc
220. oncatenation or a RAID level the following performance and cost considerations apply e Availability or fault tolerance Availability or fault tolerance refers to the ability of a system to maintain operations and provide access to data even when one of its components has failed In RAID volumes availability or fault tolerance is achieved by maintaining redundant data Redundant data includes mirrors duplicate data and parity information reconstructing data using an algorithm e Performance Read and write performance can be increased or decreased depending on the RAID level you choose Some RAID levels may be more appropriate for particular applications e Cost efficiency Maintaining the redundant data or parity information associated with RAID volumes requires additional disk space In situations where the data is temporary easily reproduced or non essential the increased cost of data redundancy may not be justified e Mean Time Between Failure MTBF Using additional disks to maintain data redundancy also increases the chance of disk failure at any given moment Although this option cannot be avoided in situations where redundant data is a requirement it does have implications on the workload of the system support staff within your organization e Volume Volume refers to a single disk non RAID virtual disk You can create volumes using external utilities like the O ROM lt Ctrl gt lt r gt Storage Management does not
221. operties page K NOTE The virtual disk link is displayed only if the physical disks that are part of the virtual disk are in a Warning or Critical state For more information on how the status of lower level components is ro ed up into the status displayed for the controller see Determining The Health Status For Storage Components Related Links Health Hot Spare Protection Policy The Set Hot Spare Protection Policy task allows you to set or modify the number of hot spares to be assigned to the virtual disks 35 After you set the number of assigned hot spares any deviation from the protection policy threshold triggers an alert based on the severity level you set Related Links Setting Hot Spare Protection Policy Dedicated Hot Spare Protection Policy Global Hot Spare Protection Policy Storage Component Severity Component status is indicated by the severity A component with a Warning or Critical Failure status requires immediate attention to avoid data loss if possible The status of the component indicates the combined status of the components and its lower level objects It may be useful to review the Alert Log for events indicating why a component has a Warning or Critical status Table 2 Component Severity Normal OK The component is working as expected Warning Non critical A probe or other monitoring device has detected a reading for the component that is above or below the acceptable level
222. operty using the Setting Asset Data task Asset Name Displays the name assigned to the enclosure You can change this property using the Setting Asset Data task Backplane Part Number Displays the part number of the enclosure backplane SAS Address Displays the SAS address of the SAS backplane Split Bus Part Number Displays the part number of the enclosure split bus module A split bus is indicated by a single triangle symbol on the back of the enclosure 101 SECH Enclosure Part Number Displays the part number of the enclosure Enclosure Alarm Displays whether the alarm on the enclosure is enabled or disabled Enclosure And Backplane Tasks To execute a drop down menu enclosure task 1 In the Server Administrator window under the system tree expand Storage dashboard to display the controller objects Expand a controller object Expand a connector object Select the Enclosure object Click Information Configuration on the storage Properties screen Select a task from the Enclosure Tasks drop down menu d se mm FP fo SN Click Execute Enclosure Available Tasks The drop down menu enclosure tasks are e Enabling The Enclosure Alarm e Disabling The Enclosure Alarm e Setting Asset Data e Blinking The LED On The Enclosure e Setting The Temperature Probe Values Enabling The Enclosure Alarm Does my enclosure support this feature See Supported Features Select the Enable Alarm task to e
223. oreign configuration The following table describes the properties for physical disks in the foreign configuration Table 17 Physical Disk Properties oc Status These icons represent the severity or health of the storage component e VE Normal OK e A warning Non critical e GE Critical Failure Error 74 For more information see Storage Component Severity Displays the name of the physical disk The name is comprised of the connector number followed by the disk number Displays the current state of the physical disk After Import State Displays the after import state of the physical disk The physical disk can be imported in any of the following states Online The physical disk is part of the imported virtual disk and functions normally Offline The physical disk is offline after import to the virtual disk Foreign The virtual disk containing the physical disk cannot be imported and the physical disk remains in foreign state Rebuild After import of virtual disk the physical disk rebuilds Replacing A Replace Member Disk task is performed on the physical disk For more information on replacing a member disk see Replacing A Member Disk and Enabling Revertible Hot Spare Capacity Displays the capacity of the disk Failure Predicted Displays whether the physical disk has received a Self Monitoring Analysis and Reporting Technology SMART alert and is therefore predicted to fail For more
224. ou want to delete and select Delete from the available Tasks drop down list box The following warning is displayed Warning CacheCade pool size will be reduced Do you want to continue with the delete operation 2 Click Delete 173 174 18 Troubleshooting This section contains troubleshooting procedures for common situations as well as for specific problems Related Links Common Troubleshooting Procedures Virtual Disk Troubleshooting Specific Problem Situations And Solutions PCle SSD Troubleshooting Fluid Cache For DAS Common Troubleshooting Procedures This section describes commands and procedures that can be used in troubleshooting Topics covered include e Cables Attached Correctly e System Requirements e Drivers And Firmware e Isolate Hardware Problems e Rescan To Update Information On SCSI Controllers e Replacing A Failed Disk e Recovering From Removing The Wrong Physical Disk e Resolving Microsoft Windows Upgrade Problems Cables Attached Correctly Verify that the power supply cord and adapter cables are connected correctly If the system is having trouble with read and write operations to a particular virtual disk or non RAID physical disk for example the system hangs then make sure that the cables connected to the corresponding enclosure or backplane are secure If the problem persists you may need to replace a cable On SAS controllers verify that the
225. parameters on the Manage Physical Disk Power page You can also configure the options in the QoS section as described in the following section Related Links 84 Managing The Physical Disk Power Managing Physical Disk Power Using The QoS Option To manage physical disk power through the QoS option 1 Select the Customized Power Save Mode option 2 Inthe Spin Down Configured Drives drop down menu select Enabled 3 The Quality of Service QoS option is enabled Enter the Start Time and Time Interval to spin up 4 Click Apply Related Links Managing The Physical Disk Power Managing The Time Interval For The QoS Option To manage the time interval for the QoS option at the virtual disk level 1 In the Quality Of Service QoS page select Enable Quality of Service Settings 2 Set the Start Time The start time can range from 1 to 24 hours 3 Click Apply Changes NOTE The Enable Quality of Service Settings option is enabled only if the Spin Down Configured Drives option is enabled Related Links Managing The Physical Disk Power To Locate Manage Physical Disk Power In Storage Management In the Server Administrator window under the system tree expand Storage to display the controller objects Select a controller object Click Information Configuration on the controller Properties page Select Manage Physical Disk Power from the Available Tasks drop down menu pm P YS KN Click Execute Manag
226. perating system to view multiple physical disks as a single disk Data stored on a single disk can be considered a simple volume This disk could also be defined as a virtual disk that comprises only a single physical disk Data that spans more than one physical disk can be considered a spanned volume Multiple concatenated disks can also be defined as a virtual disk that comprises more than one physical disk A dynamic volume that spans to separate areas of the same disk is also considered concatenated When a physical disk in a concatenated or spanned volume fails the entire volume becomes unavailable Because the data is not redundant it cannot be restored by rebuilding from a mirrored disk or parity information Restoring from a backup is the only option Because concatenated volumes do not use disk space to maintain redundant data they are more cost efficient than volumes that use mirrors or parity information A concatenated volume may be a good choice for data that is temporary easily reproduced or that does not justify the cost of data redundancy In addition a concatenated volume can easily be expanded by adding an additional physical disk 25 Disk n e Concatenates n disks as one large virtual disk with a capacity of 7 disks e Data fills up the first disk before it is written to the second disk e No redundant data is stored When a disk fails the large virtual disk fails e No performance gain e No redundancy RAID Level
227. perties page click Health to view the status information for the storage components Related Links Storage Health Information Configuration On the Properties page click Information Configuration to view the property information for a storage object The Information Configuration subtabs also have options for executing storage tasks or launching wizards Using The Storage Management Command Line Interface Storage Management has a fully featured command line interface CLI For more information on CLI see the Server Administrator Command Line Interface User s Guide Displaying The Online Help Storage Management provides an extensive online Help This Help is available from the Server Administrator graphical user interface when the Storage or lower level tree view object is selected 20 The online Help is available as e d e Context sensitive Help Each Storage Management page has a icon Click this icon to display the context sensitive online Help that describes the contents of the displayed page e Table of Contents The table of contents is available in the page that displays the information when you access the context sensitive Help Related Links Storage Object Common Storage Tasks This section provides information on commonly performed storage tasks e Create and configure virtual disks RAID configuration For more information see Create Virtual Disk Express Wizard This topic provides information on u
228. r Adapter Mini Adapter Mini Adapter Mini Integrated Monolithic Blade Mini Blade Mini Modular Mini Blade Monolithic Monolithic Sink Unbink Change Policy Split Mirror No vos e Delete Virtual Yes Disk Check Yes Consistency Cancel Check Yes Consistency Pause Check Consistency Resume Check Consistency Cancel Yes Background Yes es Initialization BGI Format Virtual Disk Cancel Format Virtual Disk Restore Dead Disk Segments Initialize Virtual Disk Fast Initialize Virtual Disk Slow Initialize Yes Virtual Disk Replace Y Member Encrypt Virtual Yes Disk 204 ene te tee CC Kl a EE bf ek echt elf iF be E Co E K a a E C E COE C CI Virtual Disk PERC H800 PERC H810 PERC H700 PERC H710 PERC H710P PERC H310 Task Name Adapter Adapter Mini Adapter Mini Adapter Mini Monolithic Blade Mini Blade Mini Mini Blade Monolithic Monolithic Clear Virtual Disk Bad Blocks Enable Disable Fluid Cache operation Virtual Disk Specifications For The PERC Hardware Controllers Table 52 Virtual Disk Specifications for the PERC Hardware Controllers Virtual Disk PERC H800 PERCH810 PERCH700 PERCH710 PERCH710 PERCH710P PERC H310 Specificatio Adapter Adapter Mini Blade Adapter Adapter n Integrated Mini Mini Blade Modular Monolithic Mini per Monolithic Minimum 100MB 100MB 100MB 100MB Virtual Disk Size i Maximum Number of Virtual Disks Size Maximum Nu
229. r Displays the part number of the power supply This property is not displayed for the 22xS enclosures that have E 17 firmware or later Firmware Version Displays the firmware version number of the power supply The firmware version of power supply is available only in MD12XX boxes with enclosure firmware version 1 04 and later Enclosure Temperature Probes The enclosure temperature probes are displayed under the Temperatures object You can select the Temperatures object to view the status information The status information includes the current temperature in Celsius and the warning and failure thresholds for the temperature probe The failure threshold has a default value that cannot be changed However you can set the warning threshold Related Links Temperature Probe Properties And Tasks SMART Thermal Shutdown Checking The Temperature Of The Enclosure Setting The Temperature Probe Values Setting The Temperature Probe Properties And Tasks Click Set Temperature Probe to launch the wizard for changing the temperature probe s Warning threshold You can change the Warning threshold for each of the temperature probes included in the enclosure To Launch The Set Temperature Probe Wizard To launch the Set Temperature Probe wizard 1 Inthe Server Administrator window under the system tree expand Storage to display the controller objects Expand a controller object Expand a connector object Expand the enclosure o
230. r health of the storage components on your system and how to quickly launch the available controller tasks Related Links Storage Health Hot Spare Protection Policy Storage Component Severity Storage Properties And Current Activity Alerts Or Events Monitoring Disk Reliability On RAID Controllers Using Alarms To Detect Failures Using Enclosure Temperature Probes Rescanning To Update Storage Configuration Changes Time Delay In Displaying Configuration Changes Storage Health The Storage Dashboard displays the combined status for each controller and lower level storage components For example if the health of the storage system has been compromised due to a degraded enclosure both the enclosure Health and the controller severity on the Storage Dashboard display a yellow exclamation mark to indicate a Warning severity If a controller on the Storage Dashboard displays a Warning or Critical status perform the following actions to investigate the cause e Click Check Alert Log to display the Alerts Log Review the Alert Log for alerts relating to the status of the controller and its lower level components The Check Alert Log link is only displayed when the controller displays a Warning or Critical status e Select the controller and investigate the status of the lower level components For more information see Storage Component Severity e Click the virtual disk that is in degraded state to display the Physical Disk Pr
231. r is unable to communicate with attached devices such as an enclosure Check the status of attached devices For more information see Cables Attached Correctly and Isolate Hardware Problems Displays the connector number The default value is 0 Displays the status of the connector Possible values are Ready The connector is functioning normally Degraded The connector has encountered a failure and is operating in a degraded state Failed The connector has encountered a failure and is no longer functioning Connector Type Displays whether the connector is operating in RAID mode The connector is always a SAS connector Related Links Path Health 110 Path Health The path health of the connectors is represented as normal warning or critical The possible values are displayed as Available Degraded or Failed If the enclosure health is displayed as degraded and further investigation shows all enclosure components EMMs Fans Physical Disks Power Supplies and Temperature to be in normal condition select the Information Configuration subtab of the enclosure to view details of the Path Failure Related Links Setting The Redundant Path Configuration Logical Connector Properties And Tasks Clearing The Connectors Redundant Path View If you do not want the redundant path view physically disconnect the connector port from the enclosure and reboot the system After the system reboots the user inte
232. r striping with distributed parity This selection groups 7 disks together as one large virtual disk with a total capacity of n 7 disks When a disk fails the virtual disk continues to function This feature provides better data redundancy and read performance but slower write performance The system must have at least three physical disks to use RAID 5 Select RAID 6 for striping with additional distributed parity This selection groups 7 disks as one large virtual disk with a capacity of n 2 disks The virtual disk remains functional with up to two disk failures RAID 6 provides better read performance but slower write performance The system must have at least four physical disks to use RAID 6 Select RAID 10 for striping over mirror sets This selection groups 7 disks together as one large virtual disk with a total capacity of n 2 disks Data is striped across the replicated mirrored pair disks When a disk fails the virtual disk continues to function The data is read from the surviving mirrored pair disk This feature provides the best failure protection read and write performance The system must have at least four physical disks to use RAID 10 Select RAID 50 to implement striping across more than one span of physical disks RAID 50 groups 7 s disks as one large virtual disk with a capacity of s n 7 disks where s is the number of spans and n is the number of disks within each span 145 Select RAID 60 to implement stripin
233. r the most recent driver and firmware requirements contact your service provider The controller properties can vary depending on the model of the controller Controller properties may include Table 15 Controller Properties Status These icons represent the severity or health of the storage component For more information see Storage Component Severity VE Normal OK e A WemingNon critica e GB Critical Failure Error Displays the ID assigned to the controller by Storage Management Storage Management numbers the controllers attached to the system starting with zero This number is the same as the controller ID number reported by the omreport CLI Command For information on Command Line Interface see the Server Administrator Command Line Interface User s Guide Displays the name of the controller State Displays the status of the controller Possible values are Ready The controller is functioning normally Degraded The controller has encountered a failure and is operating in a degraded state Failed The controller has encountered a failure and is no longer functioning Firmware Version Displays the version of the firmware that is installed on the controller NOTE Storage Management displays Not Applicable on some controllers for which the firmware version cannot be obtained Minimum Required Firmware Displays the minimum firmware version that is required by Storage Management Version This property is displayed
234. r to restore the data Canceling the rebuild of a physical disk and then assigning another physical disk as a hot spare does not cause the newly assigned hot spare to rebuild the data Reinitiate the rebuild on the physical disk that was the original hot spare Assigning And Unassigning Global Hot Spare A CAUTION The SAS 6 iR controller enables you to assign two physical disks as global hot spare Assigning a physical disk as a global hot spare on a SAS 6 iR controller is likely to cause data loss from the physical disk If the system or boot partition resides on the physical disks it may be destroyed You should only assign physical disks that do not contain critical data Does my controller support this feature See Supported Features A global hot spare is an unused backup disk that is part of the disk group Hot spares remain in standby mode When a physical disk that is used in a virtual disk fails the assigned hot spare is activated to replace the failed physical disk without interrupting the system or requiring your intervention When a hot spare is activated it rebuilds the data for all redundant virtual disks that were using the failed physical disk You can change the hot spare assignment by unassigning a disk and choosing another disk as needed You can also assign more than one physical disk as a global hot spare E NOTE On SAS 6 iR controllers you cannot assign physical disks that have boot partitions as hot spares NOTE On PE
235. rations e The controller does not have any offline or missing virtual disks If there are offline or missing virtual disks ensure that you have a backup of these virtual disks e Cables to any virtual disk are not disconnected Encryption Key The controller uses the encryption key to lock or unlock access to SED You can create only one encryption key for each encryption capable controller If you are using LKM you must create the encryption key by providing the Encryption Key Identifier and the Passphrase Encryption Key Identifier An Encryption Key Identifier is a user supplied text label for the Passphrase The identifier helps you determine which Passphrase to provide while authenticating import of foreign encrypted SED drives Passphrase A Passphrase is a user supplied string that the controller uses to create the encryption key E NOTE For more information on Encryption Key and Passphrase guidelines click the o icon on the Manage Encryption Key page Related Links Managing The Encryption Key Creating An Encryption Key And Enabling LKM To create an encryption key on the selected controller 1 Select the Enable Local Key Management LKM option 2 Type Encryption Key Identifier An Encryption Key Identifier can contain numerals alphabets both lower and upper case are allowed non alphanumeric characters or a combination of any of these Ea NOTE For the Encryption Key Identifier and Passphrase guidelines cli
236. reign data it is overwritten Disabled The slot corresponding to the hot spare drive is not persistent If the drive is removed from the slot and any drive is inserted 65 the slot stops functioning as a hot spare You need to manually assign the drive as a hot spare again Enables you to configure and manage the controller For more information about controller tasks see Controller Tasks Available Reports Enables you to view patrol read report check consistency report slot occupancy report and physical disk firmware version report For more information on available reports see Available Reports Related Links How Do Identify The Firmware Version That Is Installed Controller Tasks Available Reports Controller Tasks To execute a controller task 1 In the Server Administrator window under the system tree expand Storage to display the controller objects 2 Select a controller object 3 Click Information Configuration on the controller Properties page 4 Select a task from the Available Tasks drop down menu 5 Click Execute NOTE Different controllers support different features The tasks displayed on the Available Tasks drop down menu vary depending on the controller selected The No Task Available option is displayed when no tasks can be performed due to controller or system configuration limitations Controller Tasks The following are the list of available tasks on a controller e Rescanning The
237. rface still displays the logical connector but in a critical state To clear the redundant path mode select Clear Redundant Path view from the Controller Tasks Selecting this option clears the redundant path view and the connectors are represented on the user interface as Connector 0 and Connector 1 Related Links Setting The Redundant Path Configuration Connector Components For information on attached components see Enclosure And Backplane Properties And Tasks 111 112 11 Tape Drive Tape drives contain several tape backup units TBUs on which data can be backed up Storage Management enumerates the TBUs that are used for data back up You can view the tape drives associated with a particular controller on the Tape Drives on Controller page Tape Drive Properties Table 29 Tape Drive Properties a tone isi nrneetiwune ane ma oomen 113 114 12 RAID Controller Batteries Some RAID controllers have batteries If the controller has a battery Storage Management displays the battery under the controller object in the tree view If there is a power outage the controller battery preserves data that is in the volatile cache memory SRAM but not yet written to disk The battery is designed to provide a minimum backup of 24 hours When a RAID controller is first installed in a server the battery may need charging For information on alert messages see the Server Administrator Messages Reference Guide
238. rm a Slow Initialize task as this task remaps bad blocks and writes zeroes to all disk blocks Related Links Format Initialize Slow And Fast Initialize Considerations For Slow Initialize Format Initialize Slow And Fast Initialize 154 Considerations For Slow Initialize The Slow Initialize task initializes all physical disks included in the virtual disk The Slow Initialize task updates the metadata on the physical disks and erases all existing data and file systems In comparison with the Fast Initialize task you may want to use the Slow Initialize task if you have had trouble with a physical disk or suspect that it has bad disk blocks The Slow Initialize task remaps bad blocks and writes zeroes to all disk blocks The Slow Initialize task initializes one physical disk at a time Each physical disk displays the Clear state while being initialized While the physical disk is in the Clear state the Cancel Clear physical disk task is available Performing a Cancel Clear task on the physical disk causes the Slow Initialize task to be canceled for the entire virtual disk and all member physical disks Related Links Format Initialize Slow And Fast Initialize Formatting Or Initializing A Disk To format or initialize a disk 1 Review the virtual disk that is destroyed by the Format or Initialize and make sure that vital data is not lost Click Blink at the bottom of the page to blink the physical disks included in the virt
239. rmining The Health Status For Storage Components The chapter describes how the status of lower level storage components is rolled up into the combined status displayed for the controller or other higher level component The examples provided by these tables do not cover all scenarios but they do indicate how status is rolled up when a particular component is in a healthy degraded or failed state Related Links Storage Component Severity Health Status Rollup Battery Is Charging Or Dead Table 80 Health Status Rollup Battery is Charging or Dead Enclosures Not Included Storage Battery Connector Physical Firmware Virtual Subsystem Disk s Driver Disk s Component Status Health Status Rollup Physical Disks In A Virtual Disk Are Failed Or Removed Table 81 Health Status Rollup Physical Disks in a Virtual Disk are Failed or Removed Enclosures Not Included Component Status Health Gi Rollup 225 Health Status Rollup Physical Disks In A Virtual Disk Are Unsupported Partially Or Permanently Degraded Table 82 Health Status Rollup Physical Disks in a Virtual Disk are Unsupported Partially or Permanently Degraded Enclosures Not Included Storage Controller Battery Connector Physical Firmware Virtual Subsystem Disk s Driver Disk s Component Se SS Se Health vi A m A jA B j j B ja Health Status Rollup All Physical Disks In A Virtual Disk Are In Foreign State Table 83 Health Status
240. roller firmware and drivers For more information on firmware and drivers see Before Installing Storage Management Related Links Firmware Driver Properties Firmware Driver Properties The firmware and driver properties can vary depending on the model of the controller The firmware and driver properties are listed in the table below NOTE The firmware and drivers listed in the Server Administrator Readme refer to the minimum supported version for these controllers Later versions of the firmware and drivers are also supported For most recent driver and firmware requirements contact your service provider 61 Table 14 Firmware Driver Properties DEE Firmware Version Displays the version of the firmware that is installed on the controller NOTE Storage Management displays Not Applicable on some controllers for which the firmware version cannot be obtained Minimum Required Firmware Version Displays the minimum firmware version that is required by Storage Management This property is displayed only if the controller firmware does not meet the minimum requirement Driver Version Displays the version of the driver that is installed on the controller NOTE Storage Management displays Not Applicable on some controllers for which the driver version cannot be obtained Minimum Required Driver Version Displays the minimum driver version that is required by Storage Management This property is displayed only if the controller driv
241. rt a foreign configuration so that virtual disks are not lost after moving the physical disks You can import a foreign configuration only if it contains a virtual disk that is either in a Ready or Degraded state In other words all of the virtual disk data must be present but if the virtual disk is using a redundant RAID level the additional redundant data is not required For example if the foreign configuration contains only one side of a mirror in a RAID 1 virtual disk then the virtual disk is in a Degraded state and can be imported On the other hand if the foreign configuration contains only one physical disk 72 that was originally configured as a RAID 5 using three physical disks then the RAID 5 virtual disk is in a Failed state and cannot be imported In addition to virtual disks a foreign configuration may consist of a physical disk that was assigned as a hot spare on one controller and then moved to another controller The Import Foreign Configuration task imports the new physical disk as a hot spare If the physical disk was set as a dedicated hot spare on the previous controller but the virtual disk to which the hot spare was assigned is no longer present in the foreign configuration then the physical disk is imported as a global hot spare The Import Foreign Configuration task is only displayed when the controller has detected a foreign configuration You can also identify whether a physical disk contains a foreign configuration
242. rted on PERC S100 S110 and S300 controllers 163 The migration is complete The virtual disk is now manageable through Storage Management 164 16 Protecting Your Virtual Disk With A Hot Spare When you create a virtual disk using a RAID controller it enables the system to continue functioning even during a disk failure This feature can be enabled by assigning a hot spare to the virtual disk When a disk fails the redundant data is rebuilt onto the hot spare without interrupting system operations Related Links Dedicated Hot Spare Considerations Dedicated Hot Spare Protection Policy Understanding Hot Spares A hot spare is an unused backup physical disk that can be used to rebuild data from a redundant virtual disk Hot spares remain in standby mode When a physical disk that is used in a redundant virtual disk fails the assigned hot spare is activated to replace the failed physical disk without interrupting the system or requiring your intervention If a virtual disk using the failed physical disk is not redundant then the data is permanently lost without any method unless you have a backup to restore the data Hot spare implementation varies for each controller controller For more information on hot spares see e Considerations For Hot Spares On PERC S100 And PERC S300 Controllers e Global Hot Spare Considerations On A SAS 6 iR The following sections describe procedures for assigning a hot spare e Assigning An
243. rtual Disk Tasks Supported By The PERC S100 PERC S110 And S300 Controllers 216 Virtual Disk Specifications For The PERC 100 PERC S110 And S300 Controllerz En 217 RAID Levels Supported By The PERC S100 PERC S110 And S300 Controllers E 218 Read Write Cache And Disk Cache Policy Supported By The PERC S100 PERC S110 And S300 Eug UE 218 Enclosure Support On The PERC S100 PERC S110 And S300 Controllers EE 219 Supported Features On The Non RAID Controllers EEN Controller Tasks Supported On The Non RAID Controllers Battery Tasks Supported By Non RAID Controllers NENNEN Connector Tasks Supported On The Non RAID Controllers ENEE 220 Physical Disk Tasks Supported On The Non RAID Controllers EE 220 Virtual Disk Tasks Supported By The Non RAID Controllers AE 221 Enclosure Support On The Non RAID Controllers AEN Enclosure And Backplane Features Enclosure And Backplane Tasks EE Maximum Supported Configuration For SAS Controllers 21 Determining The Health Status For Storage Componenntts ssscsssssssssssssessessesseeees 225 Health Status Rollup Battery Is Charging Or Dead ENEE 225 Health Status Rollup Physical Disks In A Virtual Disk Are Failed Or Removed EE 225 Health Status Rollup Physical Disks In A Virtual Disk Are Unsupported Partially Or Permanently Degraded 226 Health Status Rollup All Physical Disks In A Virtual Disk Are In Foreign State 226 Health Status Rollup Some Physical Disks In A Virtual Disk Are In Foreign
244. rtual disks it is destroyed NOTE Resetting the controller configuration does not remove a foreign configuration To remove a foreign configuration select Clear Foreign Configuration task Related Links Reset The Controller Configuration To Locate Reset Configuration In Storage Management Changing The Controller Properties Reset The Controller Configuration To reset the controller configuration 1 Review the virtual disks that are destroyed by resetting the controller configuration Make backups as necessary Click Blink at the bottom of the page to blink the physical disks included in the virtual disks 2 Click Reset Configuration when you are ready to erase all information on the controller To exit without resetting the controller configuration click Go Back to Previous Page To Locate Reset Configuration In Storage Management In the Server Administrator window under the system tree expand Storage to display the controller objects Select a controller object 1 2 3 Click Information Configuration 4 Select Reset Configuration from the Available Tasks drop down menu 5 Click Execute You can also locate this task from the Change Controller Properties drop down menu Exporting The Controller Log File Does my controller support this feature See Supported Features The Export Log task exports the controller log to a text file This log provides detailed information on the controller activities and can b
245. s Preparing To Remove Time Delay In Displaying Configuration Changes When you change the storage configuration Storage Management quickly generates SNMP traps in response to the configuration changes The Storage Management Management Information Base MIB is also updated to reflect storage configuration changes However it may take up to five minutes to update the MIB with the most recent storage configuration For this reason there is a time delay of up to five minutes between the receipt of an SNMP trap and the ability to identify the configuration changes by querying the Storage Management MIB This time delay is particularly notable when creating a new virtual disk or performing an unmirror or split mirror on a RAID 1 concatenated virtual disk You can minimize this time delay by performing a controller rescan Related Links Rescanning The Controller 38 PCI Express Solid State Device Support This section gives an overview of the Storage Management device management support for Peripheral Component Interconnect Express PCle Solid State Drive SSD and its associated devices like the backplane and extender card In Storage Management PCle SSD appears under Storage in the tree view Storage Management reports the PCle SSD devices and its various properties K NOTE Storage Management does not support RAID management or configuration on PCle SSD sub systems What Is PCle SSD Peripheral Component Interconnect Express P
246. s Some tasks are only valid for certain types of objects or at certain times For example a Check Consistency task can only be performed on a redundant virtual disk Similarly if a disk is already offline the Offline task option is not displayed There may be other reasons why a task cannot be run at a certain time For example there may already be a task running on the object that must complete before additional tasks can be run A Corrupt Disk Or Drive Message Suggests Running Autocheck During A Reboot You can ignore the message and perform autocheck The reboot completes after autocheck is completed Depending on the size of your system it may take about 10 minutes Erroneous Status And Error Messages After A Windows Hibernation Activating the Windows hibernation feature may cause Storage Management to display erroneous status information and error messages This problem resolves when the Windows operating system recovers from hibernation Storage Management May Delay Before Updating Temperature Probe Status In order to display the enclosure temperature and temperature probe status Storage Management polls the enclosure firmware at regular intervals to obtain temperature and status information On some enclosures there is a short delay before the enclosure firmware reports the current temperature and temperature probe status This may cause a delay in displaying the correct temperature and temperature probe status Related Links Chan
247. s displayed below the Size field These values reflect the new capacity of the virtual disk after any addition or deletion of physical disks which you may have chosen in Virtual Disk Task Reconfigure Step 1 of 3 K NOTE PERC S100 and S300 controllers do not allow you to change the RAID level 3 Click Continue to go to the next page or Exit Wizard if you want to cancel Related Links Reconfiguring A Virtual Disk 153 To Reconfigure A Virtual Disk Expand Virtual Disk Capacity Step 2 of 3 1 Enter the percentage of the free disk size available by which you want to expand the virtual disk capacity The page displays the maximum free size available and the description of the selected RAID level 2 Click Continue to go to the next page or click Exit Wizard if you want to cancel Virtual Disk Task Reconfigure Step 3 of 3 Does my controller support this feature See Supported Features The virtual disk reconfigure step 3 page enables you to review your changes before completing the virtual disk reconfiguration 1 Review your changes The New Virtual Disk Configuration table displays the changes you have made to the virtual disk The Previous Virtual Disk Configuration displays the original virtual disk prior to reconfiguration 2 Click Finish to complete the virtual disk reconfiguration To exit without changing the original virtual disk click Exit Wizard NOTE On some controllers performing a Rescan while a reconfig
248. s Yes Yes Yes Consistency Pause Check No No Consistency Resume Check Consistency Cancel Background Initialization BGI 193 Virtual Disk PERC 5 E PERC D PERC 6 E PERC ol PERC ol CERC 6 I Task Name Modular Format Virtual No No Disk Cancel Format No No Virtual Disk Restore Dead No No Disk Segments Initialize No No Virtual Disk Fast Initialize Yes Yes Yes Yes Yes Yes Virtual Disk Slow Initialize Yes Virtual Disk Cancel Initialize Virtual Disk Replace Yes with Yes with Yes with Member firmware 6 1 firmware 6 1 firmware 6 1 and later and later and later Virtual Disk Specifications For The PERC 5 PERC 6 And CERC 6 I Controllers Table 43 Virtual Disk Specifications for the PERC 5 PERC 6 and CERC Gi Controllers Virtual Disk PERC 5 E PERC 5 1 PERC 6 E PERC oi PERC 6 I CERC Gil Specification Modular Maximum Number of Virtual Disks per Controller Minimum 100MB 100MB 100MB 100MB 100MB 100MB Virtual Disk Maximum Virtual Disk Maximum Number of Spans per Virtual Disk Maximum 32 Number of 194 Virtual Disk Specification Physical Disks per Span Minimum Stripe Size Maximum Stripe Size Maximum Number of Virtual Disks per Disk Group Maximum Number of Physical Disks that can be Concatenated Maximum Number of Physical Disks ina RAID 0 Maximum Number of Physical Disks ina RAID 1 Maximum Number of Physical Disks ina RAID 5 Maximum Number
249. s been unassigned from the virtual disk This occurs on some controllers if the hot spare is assigned to more than one virtual disk and is being used to rebuild a failed physical disk for another virtual disk 178 e The virtual disk includes failed or corrupt physical disks This situation may generate alert 2083 For information on alert messages see the Server Administrator Messages Reference Guide e The rebuild rate setting is too low If the rebuild rate setting is quite low and the system is processing a number of operations then the rebuild may take an unusual amount of time to complete e The rebuild is canceled Another user can cancel a rebuild that you have initiated Related Links Setting The Rebuild Rate Considerations For Hot Spares On PERC 5 E PERC 5 i PERC GIE PERC 6 1 And CERC 6 1 Controllers Considerations For Hot Spares On PERC S100 And PERC S300 Controllers A Rebuild Completes With Errors A rebuild completes with errors when a portion of the disk containing redundant parity information is damaged The rebuild process can restore data from the healthy portions of the disk but not from the damaged portion When a rebuild is able to restore all data except data from damaged portions of the disk it indicates successful completion while also generating alert 2163 For information on alert messages see the Server Administrator Messages Reference Guide The rebuild may also report sense key errors In
250. s maximum power savings for all drives e Customized Power Savings Mode Allows you to customize the power saving settings The default values are populated when you select this power mode You can select or clear the features you want to enable You can select Quality of Service QoS to customize power saving on configured drives by setting the Start Time and Time interval to spin up To enable the Quality of Service QoS feature 1 Select Customized Power Savings Mode 2 Select Enable for the Spin Down Configured Drives option Related Links Properties In Manage Physical Disk Power Option Physical Disk Power On Unconfigured Drives And Hot Spares Managing Physical Disk Power Using The Customized Power Savings Mode Managing Physical Disk Power Using The QoS Option Managing The Time Interval For The QoS Option 83 Properties In Manage Physical Disk Power Option The following table displays the properties in the Manage Physical Disk Power option Table 20 Manage Physical Disk Power Properties Spin Down Unconfigured Drives The Enabled option spins down the unconfigured disks if they are unattended for a specified interval of time Spin Down Hot Spares The Enabled option spins down the hot spares if no read write operation takes place on the hot spare ina specified interval of time Spin Down Configured Drives The Enabled option spins down the configured disks if they are unattended for a specified interval of time
251. s my controller support this feature See Supported Features Select the Revertible Hot Spare task to copy data back from a hot spare to a physical disk If the physical disk in a virtual disk fails the data on the failed disk is copied to the assigned hot spare If you replace the failed disk with a new physical disk and if you have enabled the Revertible Hot Spare task the data is copied from the hot spare to the new disk You can also use the Revertible Hot Spare task to copy data from a physical disk to the hot spare on a predictive failure event If Revertible Hot Spare is enabled andthe physical disk is SMART enabled the controller firmware automatically starts copying data from the SMART enabled disk in the virtual disk to the hot spare K NOTE To use the Revertible Hot Spare task ensure that you have assigned a hot spare to the virtual disk K NOTE If the disk is not SMART enabled or if the Auto Replace on Predictive Failure option is disabled the failed disk is not replaced automatically Enable Revertible Hot Spare To enable revertible hot spare 1 On the Change Controller Properties page enable Allow Revertible Hot Spare and Replace Member Auto Replace Member on Predictive Failure 2 Click Apply Changes 129 To Locate Controller Task In Storage Management 1 In the Server Administrator window under the system tree expand Storage to display the controller objects 2 Select a controller object on which you
252. s of attached devices For more information see Cables Attached Correctly and Isolate Hardware Problems Displays the connector number Displays the status of the connector Possible values are Ready The connector is functioning normally Degraded The connector has encountered a failure and is operating in a degraded state Failed The connector has encountered a failure and is no longer functioning Connector Type Displays whether the connector is operating in RAID or SCSI mode Depending on the controller type the connector can be either a SCSI connector or a SAS port Termination Indicates the termination type of the connector Possible values are Narrow Indicates an 8 bit data bus Wide Indicates a 16 bit data bus Unknown Indicates that the termination type is unknown Not Terminated On a SCSI controller this property indicates that the data bus is not terminated This property is also displayed when the termination type is Unknown SCSI Rate Displays the SCSI speed for a SCSI device Related Links Rescanning The Connector Rescanning A Controller Connector Rescanning The Connector Does my controller support this feature See Supported Features On a SCSI controller the Rescan task rescans the controller connectors to verify the currently connected devices or to recognize new devices that have been added to the connectors Performing a rescan on a connector is simil
253. s similar to the selection of disks while creating a virtual disk Related Links CacheCade Properties Managing The CacheCade Resizing The CacheCade To resize the CacheCade 1 Inthe CacheCade s page navigate to the CacheCade that you want to resize and select Resize from the Tasks drop down menu The Resize CacheCade s page is displayed 2 From the available CacheCade s add or remove additional CacheCade s as required The disks that you select are displayed in the Selected Physical Disks section NOTE While selecting and clearing the SSDs that must participate in the CacheCade retain at least one of the original SSDs 3 Click Finish Renaming The CacheCade To rename the CacheCade 1 Inthe CacheCade s page navigate to the CacheCade that you want to rename and select Rename from the Tasks drop down menu 2 Inthe Rename page type the new name for the CacheCade and click Finish Blinking And Unblinking The CacheCade In the CacheCade s page navigate to the CacheCade that you want to blink and select Blink from the available Tasks drop down list box The LED of the physical disk s participating in the CacheCade turns on To unblink the physical disk in the CacheCade s page go to the CacheCade disk that you want to unblink and select Unblink from the available Tasks drop down list box Deleting The CacheCade To delete the CacheCade 1 Inthe CacheCade s page navigate to the CacheCade that y
254. sabled Indicates that the patrol read process is disabled For more information about patrol read see Setting The Patrol Read Mode and Starting And Stopping Patrol Read Displays the current state of the patrol read process Possible values are e Ready The patrol read process is enabled and runs when next scheduled or when manually initiated e Active The patrol read process is running e Stopped The patrol read has been stopped For more information about patrol read see Setting The Patrol Read Mode Displays the percentage of system resources dedicated for running the Patrol Read operation Patrol Read Rate changes the amount of system resources assigned for the patrol read task The Patrol Read Rate can be configured between 0 and 100 where e 0 indicates the lowest priority for controllers and has the least impact on the system performance e 100 indicates the highest priority for controllers and has a greater impact on the system performance Displays the number of Patrol Read Iterations For more information about patrol read see Setting The Patrol Read Mode Indicates whether the controller is part of a cluster configuration Displays if the hot spare is persistent The possible values are e Enabled The slot corresponding to the hot spare drive is persistent Any drive in the slot functions as a hot spare if the drive is qualified to be a hot spare If the drive contains fo
255. sages see the Server Administrator Messages Reference Guide Refresh the display by clicking Refresh or by changing pages NOTE Clicking the Refresh button in the right pane refreshes only the right pane To view the new physical disk in the left pane tree view click the system name displayed at the top of the left pane or click View Refresh on the browser The new physical disk or physical device is displayed in the tree view after refreshing the display If the new disk is not displayed restart the computer Related Information Ifyou are replacing a disk that is part of a virtual disk see Replacing The Disk Ifyou want to include the new disk in a virtual disk see Virtual Disk Considerations For Controllers For more information see RAID Controller Technology SCSI SATA ATA and SAS Replacing A Physical Disk Receiving SMART Alerts Self Monitoring Analysis and Reporting Technology SMART alerts are messages predicting that a disk may fail soon If a physical disk is receiving SMART alerts replace the disk Use the following procedures to replace a disk receiving SMART alerts Disk Is Part Of A Redundant Virtual Disk A CAUTION To avoid potential data loss perform a check consistency before removing a physical disk that is receiving SMART alerts The check consistency verifies that all data is accessible within the redundant virtual disk and uses the redundancy to repair any bad blocks that may be presen
256. sical Disk Firmware Version Report Properties The report displays information for the drives that require a firmware upgrade as listed in the table below Table 21 Physical Disk Firmware Version Report Properties Displays the nexus or location of each drive that has to be updated This nexus is represented as a two or three digit mapping of the drive location Example 90 Model Number Latest Available Firmware Version Nautilus EFI Nautilus DOS DUP Reboot Required Two digit mapping 0 1 Controller 0 Slot 1 Three digit mapping 1 0 4 Controller 1 Connector 0 Slot 4 Displays the unique number associated with a specific OEM vendor s drives and drive capacity Displays the current running version of the firmware on the specific drive in the system Displays the firmware version that is compared against the firmware version in the comparison file Nautilus is the tool that is used for offline firmware updates Nautilus EFI is the version of the tool that works on 11th generation of supported servers This tool updates multiple drive types with a single scan and updates procedure boot and runs from a USB key If the Nautilus EFl column has a part number then that drive is shipped on an 11th generation server When downloaded this tool appears under the Drive Firmware Downloads with a filename of the format NautilusEFIAxx_ZPE exe Nautilus is the tool that is used for offline firmware updates Nautilus DOS is the
257. siderations For PERC 100 S110 And S300 Controllers 120 5 Restore the backed up data from the original virtual disk onto the newly created virtual disk Related Links Monitoring Disk Reliability On RAID Controllers Other Disk Procedures e Replacing A Failed Disk e Recovering From Removing The Wrong Physical Disk e Moving Physical And Virtual Disks From One System To Another e Troubleshooting Physical Disk Or Physical Device Properties To view information about physical disks or physical device and execute physical disk or physical device tasks use the Physical Disk Or Physical Device Properties page K NOTE Physical devices are applicable only to PCle SSD The following table describes properties that may be displayed for physical disks or devices depending on the controller Table 31 Physical Disk Properties oc Status These icons represent the severity or health of the storage component VE Normal OK A WamingNon critica GE Critical Failure Error For more information see Storage Component Severity Power Status Displays the power status of the physical drives The power status is present only for H700 and H800 controllers and is not present in the Physical Disk for Virtual Disk page Indicates that the physical drive is in spun down state Only hot spare and unconfigured disk can be in spun down state if there is no activity on the drives for a specified interval of time Transit
258. sing the Express Wizard to create a virtual disk Using the Express Wizard is the quickest method for creating a virtual disk The Express Wizard is appropriate for novice users Create Virtual Disk Advanced Wizard This topic provides information on using the Advanced Wizard to create a virtual disk The Advanced Wizard requires a good knowledge of RAID levels and hardware and is appropriate for advanced users Virtual Disks This topic provides detailed information regarding the virtual disk management This information includes controller specific considerations that affect virtual disk creation and management e Assign a hot spare to the virtual disk When a virtual disk uses a RAID level you can assign a hot spare backup physical disk to rebuild data if a physical disk in the virtual disk fails Protecting Your Virtual Disk With A Hot Spare This topic provides information on hot spares and controller specific information e Perform a Check Consistency The Maintaining The Integrity Of Redundant Virtual Disks task verifies the accuracy of the redundant data on a virtual disk e Reconfigure a Virtual Disk To expand the capacity of a virtual disk you can add physical disks to the virtual disk You can also change the RAID levels For more information see Virtual Disk Task Reconfigure Step 1 of 3 21 22 Understanding RAID Concepts Storage Management uses the Redundant Array of Ind
259. ssigning And Unassigning Global Hot Spare e Preparing To Remove e Setting Online And Offline e Rebuilding Data e Cancelling A Rebuild e Performing A Clear Physical Disk And Cancel Clear e Enabling Revertible Hot Spare e Enabling Instant Encrypt Erase 125 e Convert To RAID Capable Disk e Convert To Non RAID Disk Blinking And Unblinking A Physical Disk Does my controller support this feature See Supported Features The Blink task allows you to find a disk within an enclosure by blinking one of the light emitting diodes LEDs on the disk You can use this task to locate a failed disk On most controllers the Blink task automatically cancels after a short duration such as 30 60 seconds Select Unblink to cancel the Blink task or to stop the LED on the physical device that is blinking indefinitely K NOTE The Blink and Unblink tasks are only supported for hotswap physical disks disks that reside in a carrier When using an LSI PCI e U320 controller the Blink and Unblink tasks apply to physical disks contained in carriers that can be inserted into a server or an enclosure If the physical disk is not contained in a carrier but is instead designed to be connected with a SCSI cable typically a ribbon cable then the Blink and Unblink tasks are disabled Removing Dead Segments Does my controller support this feature See Supported Features The Remove Dead Segments task recovers disk space that
260. support the creation of volumes However you can 24 view volumes and use drives from these volumes for creation of new virtual disks or Online Capacity Expansion OCE of existing virtual disks provided free space is available Storage Management allows Rename and Delete operations on such volumes Choosing RAID Levels And Concatenation You can use RAID or concatenation to control data storage on multiple disks Each RAID level or concatenation has different performance and data protection characteristics The following topics provide specific information on how each RAID level or concatenation store data as well as their performance and protection characteristics e Concatenation e RAID Level 0 Striping e RAID Level 1 Mirroring e RAID Level 5 Striping With Distributed Parity e RAID Level 6 Striping With Additional Distributed Parity e RAID Level 50 Striping Over RAID 5 Sets e RAID Level 60 Striping Over RAID 6 Sets e RAID Level 10 Striping Over Mirror Sets e RAID Level 1 Concatenated Concatenated Mirror e Comparing RAID Level And Concatenation Performance e No RAID Related Links Starting And Target RAID Levels For Virtual Disk Reconfiguration And Capacity Expansion Concatenation In Storage Management concatenation refers to storing data on either one physical disk or on disk space that spans multiple physical disks When spanning more than one disk concatenation enables the o
261. sure or backplane Possible values are e Ready The enclosure or backplane is functioning normally Degraded The enclosure has encountered a failure and is operating in a degraded state This state does not apply to backplanes Failed The enclosure or backplane has encountered a failure and is no longer functioning Connector Displays the number of connectors attached to the enclosures or backplanes This number matches the number connector on the controller hardware Depending on the controller type the connector can be either a SCSI channel or a SAS port Enclosure ID Displays the enclosure ID assigned to the enclosure by Storage Management Storage Management numbers the enclosures attached to the controller starting with zero This number is the same as the enclosure ID number reported by the omreport command For information on Command Line Interface see the Server Administrator Command Line Interface User s Guide 100 SE Target ID Displays the SCSI ID of the backplane internal to the server or the enclosure to which the controller connector is attached The default value is six Configuration Displays the mode in which the enclosure is operating Possible values are e Joined Indicates that the enclosure is operating in the joined bus mode Split Indicates that the enclosure is operating in the split bus mode Unified Indicates that enclosure is operating in the unified mode
262. surviving mirrored disk e Improved read performance and write performance e Redundancy for protection of data RAID Level 1 Concatenated Concatenated Mirror RAID 1 concatenated is a RAID 1 disk group that spans across more than a single pair of physical disks This configuration combines the advantages of concatenation with the redundancy of RAID 1 No striping is involved in this RAID type NOTE You cannot create a RAID 1 concatenated virtual disk or reconfigure to RAID 1 concatenated with Storage Management You can only monitor a RAID 1 concatenated virtual disk with Storage Management 32 Comparing RAID Level And Concatenation Performance The following table compares the performance characteristics associated with the more common RAID levels This table provides general guidelines for choosing a RAID level Evaluate your specific environment requirements before choosing a RAID level 7 A NOTE The following table does not show all supported RAID levels in Storage Management For information on all supported RAID levels in Storage Management see Choosing RAID Levels And Concatenation Table 1 RAID Level and Concatenation Performance Comparison RAID Level Data Read Write Rebuild Minimum Disks Suggested Availability Performance Performance Performance Required Uses Concatenation N A More cost depending on efficient than the controller redundant RAID levels Use for noncritical data e 0 Very Goo
263. t Select the Physical Devices object Select a task from the Available Tasks drop down menu d ep ao P T ba Click Execute Blinking And Unblinking A PCle SSD The Blink task allows you to find a device within a system by blinking one of the LEDs on the device You can use this task to locate a failed device Select Unblink to cancel the Blink task or to stop the LED on a physical device that is blinking indefinitely Enabling Full Initialization On A PCle SSD Does my controller support this feature See Supported Features A CAUTION Full Initialization permanently erases all data present on the disk A CAUTION On VMware ESXi hosts before performing Full Initialization on the PCle SSD it is important to first delete any data stores on it Failure to do so can result in system instability To erase an encrypted physical device select the Full Initialization task This task is available for e Unconfigured SED drive e Foreign configured encrypted drives e Unconfigured and foreign SED drive even when an Encryption Key is not present in the controller Performing A Full Initialization On A PCle SSD Performing a full initialization on a PCle SSD overwrites all blocks and results in permanent loss of all data on the PCle SSD During full initialization the host is unable to access the PCle SSD NOTE If the system reboots or experiences a power loss during full initialization the operation aborts You must reboot the system and restar
264. t In some circumstances failure to perform a check consistency can result in data loss This may occur for example if the physical disk receiving SMART alerts has bad disk blocks and you do not perform a check consistency before removing the disk 1 Select the redundant virtual disk that includes the physical disk that is receiving SMART alerts and perform the Check Consistency task For more information see Performing A Check Consistency Select the disk that is receiving SMART alerts and execute the Offline task Manually remove the disk Insert a new disk Make sure that the new disk is the same size or greater in size than the disk you are replacing On some controllers you may not be able to use the additional disk space if you insert a disk with a greater disk space than the one you are replacing For more information on disk space considerations see Virtual Disk Considerations For Controllers After you complete this procedure a rebuild is automatically initiated because the virtual disk is redundant Disk Is Not Part Of A Redundant Virtual Disk 1 Back up data from the virtual disk 2 Delete the virtual disk 3 Replace the disk that is receiving SMART alerts 4 Create a new virtual disk Make sure that the new virtual disk is the same size or greater in size than the original virtual disk For controller specific information on creating virtual disks see Virtual Disk Considerations For Controllers and Virtual Disk Con
265. t acceptable temperature in celsius for the enclosure in the Maximum Warning Threshold text box The text box label indicates the range that you can specify 5 Click Apply Changes To return to the default values Reset to default values and click Apply Changes The default values are displayed in the Minimum Warning Threshold and Maximum Warning Threshold text boxes NOTE On some enclosures Storage Management may experience a short delay before displaying the current enclosure temperature and temperature probe status Related Links Storage Management May Delay Before Updating Temperature Probe Status To Locate Set Temperature Probe Values In Storage Management To locate this task in storage management In the Server Administrator window under the system tree expand Storage to display the controller objects Expand a controller object Expand a connector object Select the enclosure object Click Information Configuration Select Set Temperature Probe Values from the Enclosure Tasks drop down menu oo ES we gt Click Execute Available Reports View Slot Occupancy Report View Slot Occupancy Report Does my controller support this feature See Supported Features The View Occupancy Slot Report task allows you to view empty and occupied slot details of the selected enclosure It provides a diagram that represents the occupancy of physical drive slots Move the mouse over each slot to view details such as physical d
266. t be imported the reason for failure is displayed Exceeded maximum The number of virtual disks selected for import has exceeded the maximum number of supported disks Missing physical disk or Missing span One or more physical disk s or span s in the virtual disk to be imported is missing Unsupported The selected RAID level is not supported on this controller Orphan drive The physical disk has been replaced and is no longer a part of the RAID volume The configuration should be cleared Stale physical disk The physical disk to be imported in the virtual disk has outdated data Partially foreign The virtual disk is part of an already existing configuration Some physical disks in this virtual disk are foreign Dedicated Hot Spare Displays whether the foreign disk is a dedicated hot spare Based on the properties information you can decide whether you want to import recover or clear the foreign configuration To Locate Foreign Configuration Operations Task In Storage Management For SAS controllers with firmware version 6 1 In the Server Administrator window under the system tree expand Storage to display the controller objects Select a controller object 1 2 3 Click Information Configuration on the controller Properties page 4 Select Foreign Configuration Operations from the Controller Tasks drop down menu D Click Execute Importing Foreign Configurations Some controllers enable you to impo
267. t port K NOTE Type https not http in the address field to receive a valid response in your browser User Privileges Server Administrator provides security through the User Power User and Administrator user groups Each user group is assigned a different level of access to the Server Administrator features The Administrator privileges are required to access all Storage Management features Administrator privilege allows you to execute the drop down menu tasks launch wizards and use the omconfig storage command line interface commands Without Administrator privileges you cannot manage and configure the storage component User and Power User privileges allow you to view storage status but not manage or configure storage With User and Power User privileges you can use the omreport storage command and not the omconfig storage command For more information on user groups and other Server Administrator security features see the Server Administrator User s Guide Using The Graphical User Interface The following sections describe how to access the Storage Management features using the Server Administrator graphical user interface GUI Storage Object The Server Administrator tree view displays a Storage object The Storage Management features are accessible by selecting the Storage object or expanding the Storage object and selecting a lower level object Related Links Displaying The Online Help Health On the Pro
268. t the process To Locate Full Initialization In Storage Management To locate this task in storage management 1 In the Server Administrator window under the system tree expand Storage to display the controller objects Expand a controller object Expand a connector object Expand the enclosure or backplane object Select the Physical Devices object Select Full Initialization from the Tasks drop down menu of the physical device you want to clear zl Sp mm P YS DY Click Execute 43 Preparing To Remove A PCle SSD PCle SSDs support orderly hot swap allowing you to add or remove a device without halting or rebooting the system in which the devices are installed A CAUTION The identify LED pattern blink operation is the same LED pattern as safe to remove When you initiate a prepare to remove operation ensure that your PCle SSD is no longer accessible by the system before physically removing the PCle SSD A CAUTION To prevent data loss it is mandatory that you use the Prepare to Remove task before physically removing a device NOTE Orderly hot swap is only supported when PCle SSDs are installed in a supported system running a supported operating system To ensure that you have the correct configuration for your PCle SSD see the system specific Owner s Manual K NOTE The Prepare to Remove task is not supported for PCle SSDs on VMware vSphere ESXi systems Select the Prepare to Remove task to safely remove a PCle
269. te 91 92 9 Enclosures And Backplanes Physical disks can be contained in an enclosure or attached to the backplane of a system An enclosure is attached to the system externally while the backplane and its physical disks are internal Related Links Enclosures Backplanes Backplanes You can view the Backplane object by expanding the controller and connector object in the Storage Management tree view Storage Management displays the status of the backplane and the attached physical disks Backplane is similar to an enclosure In a Backplane the controller connector and physical disks are attached to the enclosure but it does not have the management features temperature probes alarms and so on associated with external enclosures Enclosures Storage Management enables management of various enclosures and their components In addition to managing the physical disks contained in the enclosure you can monitor the status of the fans power supply and temperature probes in an enclosure You can view these components by expanding the controller connector and enclosure objects in the Storage Management tree view Storage management allows hot plugging of enclosures Hot plugging is defined as the adding of a component to a system while the operating system is still running NOTE This feature requires that the physical devices connected to the controller have the latest firmware For the latest supported firmware contact your
270. tem resources dedicated for patrol read based on the amount of controller activity that is competing with the Patrol Read task When the controller activity is high fewer system resources are dedicated to the patrol read task Patrol Read does not run on a physical disk in the following circumstances e The physical disk is not included in a virtual disk or is assigned as a hot spare e The physical disk is included in a virtual disk that is currently undergoing one of the following Rebuild Reconfiguration or reconstruction Background initialization Check consistency In addition the Patrol Read suspends during heavy 1 0 activity and resumes when the 1 0 is finished Related Links Starting And Stopping Patrol Read To Set The Patrol Read Mode Select the desired Patrol Read Mode option The options available are e Auto Initiates the Patrol Read task After the task is complete it automatically runs again within a specified period For example on some controllers the Patrol Read runs every four hours and on other controllers the Patrol Read runs every seven days The Patrol Read task runs continuously on the system starting again within the specified period after each iteration of the task completes If the system reboots while the Patrol Read task is running in Auto mode the Patrol Read restarts at zero percent 0 When the Patrol Read task is set to Auto mode you cannot start or stop the task Auto mode is th
271. tems equipped with two SCSI SES modules the SCSI termination is done through the EMMs Indicates the version of the firmware loaded on the EMM All EMM modules in the enclosure should have the same level of firmware NOTE For multiple backplanes the firmware version appears as upstream and downstream versions Displays the maximum SCSI speed that the EMM in a SCSI enclosure supports d the components attached to the enclosure or backplane al Disks Or Physical Devices 99 Enclosure And Backplane Properties And Tasks You can view information about the enclosure or backplane and execute enclosure tasks Related Links Enclosure And Backplane Properties Enclosure And Backplane Tasks Enclosure And Backplane Properties The enclosure or backplane properties can vary depending on the model of the controller Enclosure or backplane properties may include Table 26 Enclosure and Backplane Properties Status These icons represent the severity or health of the storage component For more information see Storage Component Severity 7E Normal OK EE Q Critical Failure Error K NOTE If the enclosure is connected to the controller in redundant path mode for more information see Setting The Redundant Path Configuration the loss of connection to any one EMM may cause the enclosure status to be displayed as degraded Name Displays the name of the enclosure or backplane State Displays the status of the enclo
272. th or without adding additional disks RAID 5 RAID 5 RAID 6 Add at least one additional disk RAID 6 requires a minimum of 4 disks RAID 6 RAID 0 RAID 5 With or without adding additional disks RAID 6 RAID 6 Add at least one additional disk Sea PERC S100 110 and S300 RAIDO RAID 0 With or without additional disks nun nun Without additional disks additional disks pay 5 pap 5 ETEA or without additional disks nun 10 nun 10 Without additional disks additional disks Related Links Choosing RAID Levels And Concatenation Maintaining The Integrity Of Redundant Virtual Disks Does my controller support this feature See Supported Features The virtual disk Check Consistency task verifies the accuracy of the redundant parity information This task only applies to redundant virtual disks When necessary the Check Consistency task rebuilds the redundant data 136 To verify redundant information of a virtual disk 1 Locate the controller on which the virtual disk resides in the tree view Expand the controller object until the Virtual Disks object is displayed 2 Select the Check Consistency task from the virtual disk s Tasks drop down list box and click Execute Rebuilding Redundant Information Does my controller support this feature See Supported Features If you have a redundant virtual disk you can reconstruct the contents of a failed physical disk onto a new disk or a hot spare A rebuild
273. th sides of the mirror contain the 23 same data always Either side of the mirror can act as the operational side A mirrored RAID disk group is comparable in performance to a RAID 5 disk group in read operations but faster in write operations e Striping Disk striping writes data across all physical disks in a virtual disk Each stripe consists of consecutive virtual disk data addresses that are mapped in fixed size units to each physical disk in the virtual disk using a sequential pattern For example if the virtual disk includes five physical disks the stripe writes data to physical disks one through five without repeating any of the physical disks The amount of space consumed by a stripe is the same on each physical disk The portion of a stripe that resides on a physical disk is a stripe element Striping by itself does not provide data redundancy Striping in combination with parity does provide data redundancy e Stripe size The total disk space consumed by a stripe not including a parity disk For example consider a stripe that contains 64KB of disk space and has 16KB of data residing on each disk in the stripe In this case the stripe size is 64KB and the stripe element size is 16KB e Stripe element A stripe element is the portion of a stripe that resides on a single physical disk e Stripe element size The amount of disk space consumed by a stripe element For example consider a stripe that contains 64KB of disk spa
274. the physical disk in the Connector table that you want to replace 2 Select the destination disk in the Disks available for replace member operation table A CAUTION If you choose a hot spare as the destination physical disk your virtual disk does not have a hot spare unless you assign one K NOTE You can select only one source or destination physical disk at a time 3 Click Apply Changes To exit without replacing the member disk click Go Back To Virtual Disk Page You can view the progress of the Replace Member Disk task on the Physical Disk Details page K NOTE For PERC H310 H700 H710 H710P H800 and H810 controllers if any of the drives you selected is in the spun down state the following message is displayed The below listed physical drive s are in the spun down state Executing this task on these drive s takes additional time because the drive s need to spun up The message displays the ID s of the spun down drive s Related Links Physical Disk Or Physical Device Properties Physical Disk Or Physical Device Tasks To Locate Replace Member Disk In Storage Management 1 In the Server Administrator window under the system tree expand Storage to display the controller objects 2 Expand a controller object 3 Select the Virtual Disks object 4 Select Replace Member Disk from the Available Tasks drop down menu 5 Click Execute Virtual Disk Task Replace Member Disk Step 2 of 2 This page d
275. the specifications used to implement RAID Although RAB defines the RAID levels commercial implementation of RAID levels by different vendors may vary from the actual RAID specifications An implementation of a particular vendor may affect the read and write performance and the degree of data redundancy Hardware And Software RAID RAID can be implemented with either hardware or software A system using hardware RAID has a RAID controller that implements the RAID levels and processes data reads and writes to the physical disks When using software RAID provided by the operating system the operating system implements the RAID levels For this reason using software RAID by itself can slow the system performance You can however use software RAID along with hardware RAID volumes to provide better performance and variety in the configuration of RAID volumes For example you can mirror a pair of hardware RAID 5 volumes across two RAID controllers to provide RAID controller redundancy RAID Concepts RAID uses particular techniques for writing data to disks These techniques enable RAID to provide data redundancy or better performance These techniques include e Mirroring Duplicating data from one physical disk to another physical disk Mirroring provides data redundancy by maintaining two copies of the same data on different physical disks If one of the disks in the mirror fails the system can continue to operate using the unaffected disk Bo
276. threshold Maximum Warning Threshold Exceeded The temperature of the enclosure has exceeded above the maximum warning threshold Missing The temperature probe is not present in the enclosure Inactive The temperature probe is present in the enclosure but the EMM that it monitors is not installed Reading Displays the current temperature of the enclosure as reported by the temperature probe Warning Threshold The Minimum and Maximum properties indicate the temperatures currently set for the Warning threshold Failure Threshold The Minimum and Maximum properties indicate the temperatures currently set for the Failure threshold Related Links Enclosure Temperature Probes 97 Checking The Temperature Of The Enclosure Setting The Temperature Probe Values Enclosure Management Modules EMMs The Enclosure Management Modules EMMs that are installed in the enclosure are displayed under the EMMs object in the tree view You can select the EMMs object to view the individual EMM modules and their status information The enclosure may contain one or more EMMs The EMM modules monitor components of the enclosure These components include e Fans e Power supplies e Temperature probes e The insertion or removal of a physical disk e The LEDs on the enclosure When the alarm on the enclosure is enabled the EMM activates the alarm when certain conditions occur For more information on enabling the alarm and the
277. ting virtual disks you should avoid using the same physical disks for both redundant and nonredundant virtual disks This applies to all controllers Using the same physical disks for both redundant and nonredundant virtual disks can result in unexpected behavior including data loss NOTE SAS controllers do not allow you to create redundant and nonredundant virtual disks on the same set of physical disks Specific Problem Situations And Solutions This section contains additional troubleshooting information Topics include e Physical Disk Is Offline Or Displays An Error Status e Receive A Bad Block Alert With Replacement Sense Or Medium Error e Read And Write Operations Experience Problems e A Task Menu Option Is Not Displayed e A Corrupt Disk Or Drive Message Suggests Running Autocheck During A Reboot e Erroneous Status And Error Messages After A Windows Hibernation e Storage Management May Delay Before Updating Temperature Probe Status e Storage Management May Delay Displaying Storage Devices After Reboot e You Are Unable To Log Into A Remote System e Cannot Connect To Remote System Running Microsoft Windows Server 2003 e Reconfiguring A Virtual Disk Displays Error In Mozilla Browser e Physical Disks Are Displayed Under The Connector Object Instead Of The Enclosure Object 180 Physical Disk Is Offline Or Displays An Error Status A physical disk may display an error status if it has b
278. tion with the Allow Revertible Hot Spare and Replace Member property Redundant path view Indicates whether Storage Management has detected a redundant path configuration Storage Management detects a redundant path configuration when both controller ports are connected to the same enclosure that is in a 64 Encryption Capable Encryption Key Present Encryption Mode Cache Memory Size Patrol Read Mode Patrol Read State Patrol Read Rate Patrol Read Iterations Cluster Mode Persistent Hot Spare unified mode For more information see Setting The Redundant Path Configuration Indicates whether the controller has the capability to support encryption Possible values are Yes and No Indicates whether the controller has an encryption key established Possible values are Yes and No Indicates whether the controller is using Local Key Management LKM or None For more information see Managing The Encryption Key Displays the size of the cache memory on the controller Displays the Patrol Read Mode setting for the controller Possible values are e Auto Patrol read runs continuously on the system When one iteration of the patrol read is complete the next patrol read is scheduled to start within a period of time specified by the controller You do not have the option of manually starting or stopping the Patrol Read in this mode e Manual Allows you to manually start or stop the patrol read process e Di
279. to a RAID 1 or 5 virtual disk When you use a PERC 5 E PERC 5 i PERC 6 E PERC GI and CERC Gil controller you can assign physical disks of different sizes to a virtual disk When a virtual disk is assigned to a physical disk any portion of the physical disk that is unused by the virtual disk becomes unusable Therefore the data on the unused portion of the physical disk is not rebuilt A redundant virtual disk is also either striped or mirrored in equal portions across its member physical disks The amount of data requiring a rebuild is therefore not greater than the smallest physical disk A RAID 10 or 50 virtual disk may include spans that have physical disks of different sizes In this case identify the span that has a low capacity physical disk The hot spare should be large enough to rebuild this physical disk For example if one span has three physical disks that are 60MB 60MB and 40MB and another span has physical disks that are 60MB 60MB and 50MB then the hot spare must be 50MB or larger A dedicated hot spare can only be assigned to the set of virtual disks that share the same physical disks A global hot spare is assigned to all redundant virtual disks on the controller A global hot spare must be the same size or greater as the smallest physical disk included in any virtual disk on the controller After you have assigned a global hot spare any new virtual disks created on the controller are not protected by the hot spare in eith
280. tore one half of the mirror to free space Unmirroring a RAID 1 or RAID 1 concatenated virtual disk results in a single nonredundant concatenated virtual disk Unmirroring a RAID 10 virtual disk results in a single nonredundant RAID 0 striped virtual disk Data is not lost during this operation E NOTE On systems running Linux operating systems an Unmirror cannot be performed on a mounted virtual disk To Unmirror Click Unmirror To exit without unmirroring click Go Back To Virtual Disk Page A CAUTION Your virtual disk is longer redundant To Locate Unmirror In Storage Management 1 In the Server Administrator window under the system tree expand Storage to display the controller objects Expand a controller object Select the Virtual Disks object Select Unmirror from the Available Tasks drop down menu 7 Pe ON Click Execute Related Links Rescanning To Update Storage Configuration Changes Time Delay In Displaying Configuration Changes Assigning And Unassigning Dedicated Hot Spare Does my controller support this feature See Supported Features A dedicated hot spare is an unused backup disk that is assigned to a single virtual disk When a physical disk in the virtual disk fails the hot spare is activated to replace the failed physical disk without interrupting the system or requiring your intervention 158 For more information on hot spares including size requirements see Protecting Your Virtual Disk Wit
281. u to select the RAID level and size for the reconfigured virtual disk If you selected Expand Capacity in Step 1 this page allows you to expand the capacity of the virtual disk The Expand Capacity option appears only for PERC H310 H700 H710 H710P PERC H800 and H810 controllers with firmware version 7 1 or later To Reconfigure a Virtual Disk Changing the RAID Level and Size Step 2 of 3 1 Select the new RAID level for the virtual disk The available RAID levels depend on the number or physical disks selected and the controller The following describes the possible RAID levels Depending on the controller Concatenated enables you to combine the storage capacity of several disks or to create a virtual disk using only a single physical disk For information on whether the controller supports a single physical disk or two or more when using Concatenated see Number Of Physical Disks Per Virtual Disk Using Concatenated does not provide data redundancy nor does it affect the read and write performance Select RAID 0 for striping This selection groups n disks together as one large virtual disk with a total capacity of n disks Data is stored to the disks alternately so that they are evenly distributed Data redundancy is not available in this mode Read and write performance is enhanced Select RAID 1 for mirroring disks This selection groups two disks together as one virtual disk with a capacity of one single disk The data is
282. ual disk 2 Depending on the task you are initiating click the following option when ready Format Initialize Slow Initialize Fast Initialize To exit without formatting or initializing the virtual disk click Go Back To Virtual Disk Page To Locate Virtual Disks Task In Storage Management In the Server Administrator window under the system tree expand Storage to display the controller objects Expand a Controller object Select the Virtual Disks object PF pa N Depending on the task you want to initiate select one of the following from the Available Tasks drop down menu Format Initialize Slow Initialize Fast Initialize 5 Click Execute Deleting A Virtual Disk Does my controller support this feature See Supported Features Deleting a virtual disk destroys all information including file systems and volumes residing on the virtual disk 155 NOTE When deleting virtual disks all assigned global hot spares may be automatically unassigned when the last virtual disk associated with the controller is deleted When deleting the last virtual disk of a disk group all assigned dedicated hot spares automatically become global hot spares Related Links Deleting Data On the Virtual Disk Virtual Disks To Delete A Virtual Disk To identify which physical disks are included in the virtual disk click Blink The LED lights on the physical disks blink for 30 60 seconds When de
283. um Virtual Disk Size Monitoring Disk Reliability On RAID Controllers Channel Redundancy And Thermal Shutdown What Is RAID RAID Controller Read Write Cache And Disk Cache Policy Write Policy Span Edit In the edit mode you cannot alter the number of physical disks per span If there are enough available physical disks you can reduce or increase the number of spans You can also alter the contents of a span by removing the span and selecting a new physical disk to comprise that span To successfully create a virtual disk a minimum of two spans must exist always E NOTE If you select Span Edit Intelligent Mirroring that is already been applied becomes invalid Virtual Disk Task Reconfigure Step 1 of 3 Does my controller support this feature See Supported Features The Reconfigure task enables you to change the virtual disk configuration Using this task you can change the RAID level and increase the virtual disk size by adding physical disks On some controllers you can also remove physical disks Before continuing with the virtual disk reconfiguration you should be familiar with the information in Starting And Target RAID Levels For Virtual Disk Reconfiguration And Capacity Expansion and Choosing RAID Levels And Concatenation K NOTE You cannot reconfigure a virtual disk on a controller that is operating in cluster mode 151 E E E NOTE You can create no more than 64 virtual disks on a controll
284. upported controllers and controller features in Storage Management Related Links RAID Controller Technology SCSI SATA ATA And SAS Which Controllers Do Have Non RAID Controller Description What Is A Controller Most operating systems do not read and write data directly from the disks but instead send read and write instructions to a controller The controller is the hardware in your system that interacts directly with the disks to write and retrieve data A controller has connectors channels or ports which are attached to one or more physical disks or an enclosure containing physical disks RAID controllers can span the boundaries of the disks to create an extended amount of storage space or a virtual disk using the capacity of more than one disk Controllers also perform other tasks such as initiating rebuilds initializing disks and more To complete their tasks controllers require special software known as firmware and drivers In order to function properly the controller must have the minimum required version of the firmware and drivers installed Storage Management supports different types of controllers If your system has a supported controller the controller is displayed by expanding the Storage object in the System tree view in the GUI You can select the controller to display tabs for executing controller tasks and viewing controller properties Different controllers have different characteristics in the way
285. uration is in progress causes the virtual disk configuration and the physical disk state to display incorrectly For example changes to the RAID level of the virtual disk may not be displayed and the state of physical disks that were added to the virtual disk may display as Ready instead of Online Related Links Reconfiguring A Virtual Disk Slow And Fast Initialize Considerations For Fast Initialize The Fast Initialize task initializes all physical disks included in the virtual disk The Fast Initialize task updates the metadata on the physical disks so that all disk space is available for future write operations The initialize task can be completed quickly because the existing information on the physical disks is not erased although future write operations overwrite any information that remains on the physical disks CAUTION Performing a Fast Initialize causes existing data to be inaccessible This task should be considered data destructive In comparison with the Slow Initialize task the Fast Initialize task has the following advantages e The Fast Initialize task takes less time to complete e The Fast Initialize task does not write zeroes to the disk blocks on the physical disks It is because the Fast Initialize task does not perform a write operation it causes less degradation to the disk than does the Slow Initialize task If you have had trouble with a physical disk or suspect that it has bad disk blocks you may want to perfo
286. useful to you for organizing your storage environment For example the asset name could refer to the type of data stored on the enclosure or to the enclosure s location 3 Click Apply Changes To exit and cancel your changes click Go Back To Enclosure Information Page Related Links Setting Asset Data To Locate Set Asset Data In Storage Management To locate this task in storage management In the Server Administrator window under the system tree expand Storage to display the controller objects Expand a controller object Expand a connector object Select the Enclosure object Click Information Configuration Select Set Asset Data from the Enclosure Tasks drop down menu SS St Sa MS Click Execute Blinking The LED On The Enclosure Does my enclosure support this feature See Supported Features Select the Blink task to blink the LED on the enclosure You may want to use this task to locate an enclosure The LEDs on the enclosure may display different colors and blinking patterns For more information on what the blink colors and patterns indicate refer to the enclosure hardware documentation Setting The Temperature Probe Values Does my enclosure support this feature See Supported Features The temperature probes monitor the temperature of the enclosure Each temperature probe has a warning and a failure threshold The warning threshold indicates that the enclosure is approaching an unacceptably warm or cool temperature
287. ver it is not recommended to replace a 15000 RPM drive with a 10000 RPM drive Although it is fully functional the performance could be impacted Replacing 10000 RPM drives with 15000 RPM drives is supported This scenario occurs while replacing parts from service inventory due to part unavailability e SAS and SATA drives on the same backplane but not within the same virtual disk e Solid State Disks SSD and Hard Disk Drives HDD on the same backplane but not within the same virtual disk K NOTE Except for combining SAS SATA SCSI and SSD drives only upgrades are supported Adding A New Disk To The System 1 Install or attach the new physical disk or disks or physical devices For more information on installing or attaching see the documentation that came with the disk 2 Perform the following steps For SCSI SATA And ATA Controllers 1 Inthe Server Administrator window under the system tree expand Storage to display the controller objects 2 Select the controller to which the disk is attached and click Information Configuration on the controller Properties page 3 Select Rescan from the Controller Tasks 4 Click Execute The new disk is displayed in the tree view after the rescan If the new disk is not displayed restart the system 119 For SAS Controllers 1 Check the alert log for an alert verifying that the system has identified the new disk You may receive alert 2052 or 2294 For information on alert mes
288. version of the tool that works on 9th 11th generation of supported servers with SAS and SATA drives This tool updates multiple drive types with a single scan and updates procedure boot and runs from a USB key preboot execution environment PXE or CD ROM If the Nautilus DOS column has a part number then that drive is shipped on a 9th 11th generation server When downloaded this tool appears under the Drive Firmware Downloads with a filename of the format NautilusAxx_ZPE exe If this field is set to Yes then the Update Package DUP field is not blank It indicates the availability of an online DUP The DUP allows to be sent to the firmware payload through an online executable but the firmware will not be committed to the disk until the next system reboot Hence you can perform one to many online deployments using applications or scripts that can launch the online executable It is a single executable that runs on a single family of drives Unlike Nautilus to update different drives you have to use different DUP packages A single DUP package updates all drives applicable to that DUP package in an execution You can run the DUP online without a reboot It is recommended to stop or at least slow UO operations during a DUP online firmware upgrade In the event of a drive failure you can run the View Physical Disk Firmware Version Report to find out the part number of the failed drive and to check if any of the drives require an upda
289. virtual disk The following subsection describes these policies Related Links Changing The Virtual Disk Policy Read Policy Does my controller support this feature See Supported Features The read policies indicate whether the controller should read sequential sectors of the virtual disk when seeking data e Read Ahead The controller reads sequential sectors of the virtual disk when seeking data Read ahead policy may improve system performance if the data is written to the sequential sectors of the virtual disk e No Read Ahead Selecting no read ahead policy indicates that the controller should not use read ahead policy e Adaptive Read Ahead The controller initiates read ahead only if the two most recent read requests accessed sequential sectors of the disk If subsequent read requests access random sectors of the disk the controller reverts to no read ahead policy The controller continues to evaluate whether read requests are accessing sequential sectors of the disk and initiates read ahead if necessary e Read Cache Enabled The controller reads the cache information to verify if the requested data is available in the cache before retrieving the data from the disk Reading the cache information first can provide faster read performance because the data if available in the cache can be retrieved more quickly from the cache than from the disk e Read Cache Disabled The controller retrieves data directly from the dis
290. virtual disk State property to Resynching Paused immediately The Progress property may continue to increment for up to three seconds This time delay occurs because the polling task may take up to three seconds to query the task information and update the display Resuming A Check Consistency Does my controller support this feature See Supported Features The Resume Check Consistency task resumes a check consistency after it has been paused Blinking And Unblinking A Virtual Disk Does my controller support this feature See Supported Features The Blink and Unblink tasks blink or unblink the lights on the physical disks included in the virtual disk 143 Renaming A Virtual Disk Does my controller support this feature See Supported Features The Rename task enables you to change name of the virtual disk Related Links Renaming A Virtual Disk Canceling A Rebuild Does my controller support this feature See Supported Features Select the Cancel Rebuild task to cancel a rebuild that is in progress If you cancel a rebuild the virtual disk remains in a Degraded state The failure of an additional physical disk can cause the virtual disk to fail and may result in data loss It is recommended that you rebuild the failed physical disk as soon as possible E NOTE If you cancel the rebuild of a physical disk that is assigned as a hot spare reinitiate the rebuild on the same physical disk in order to restore the data Canceling the
291. virtual disk with a capacity of n 2 disks The virtual disk remains functional with up to two disk failures RAID 6 provides better read performance but slower write performance The system must have at least four physical disks to use RAID 6 Select RAID 10 for striping over mirror sets This selection groups 7 disks together as one large virtual disk with a capacity of n 2 disks Data is striped across the replicated mirrored pair disks When a disk fails the virtual disk continues to function The data is read from the surviving mirrored pair disk This feature provides the best failure protection and read write performance The system must have at least four physical disks to use RAID 10 For PERC controllers with firmware version 6 and later RAID 10 also allows you to create a single span virtual disk with 22 or 26 physical drives intelligent Mirroring Automatically calculates the span composition based on the physical disks you select Spans are not displayed on this page Select Continue to view the span grouping on the Summary page Click Exit Wizard to cancel the virtual disk creation Storage Management calculates the optimum span composition as follows Determining span calculation 147 e Calculating the number of disks that can be utilized from the selected disks e Maximizing the number of spans to increase the 1 0 performance Determining the mirror for the physical disks The mirror is determined in a way t
292. want to enable the revertible hot spare task 3 Click Information Configuration on the controller Properties page 4 From the Controller Task drop down list box select Change Controller Properties and click Execute E NOTE The Rebuild rate for Revertible Hot Spare is the same as that defined for the controller Enabling Instant Encrypt Erase Does my controller support this feature See Supported Features A CAUTION Instant Encrypt Erase permanently erases all data present on the disk Select the Instant Encrypt Erase task to erase an encrypted physical disk This task is available for e Unconfigured SED drive e Foreign configured encrypted drives e Unconfigured and foreign SED drive even when an Encryption Key is not present in the controller Related Links Managing The Encryption Key To Locate Instant Encrypt Erase In Storage Management To locate this task in storage management 1 In the Server Administrator window under the system tree expand Storage to display the controller objects 2 Expand a controller object 3 Expand a connector object 4 Expand the enclosure or backplane object 5 Select the Physical Disk object 6 Select Instant Encrypt Erase from the Tasks drop down menu of the physical device you want to clear 7 Click Execute Convert To RAID Capable Disk This task enables a disk for all RAID operations This task is supported on H310 controllers Convert To Non RAID Disk This task co
293. wing components to ensure that they are connected e Devices The PCle SSDs are installed in a PCle SSD backplane e Backplane The cables for the PCle SSD backplane are connected e Cables PCle cables are unique for the configuration Ensure that the backplane cable connectors mate with the backplane and the extender card cable connectors mate with the extender card e Extender card The PCle extender card is plugged into the correct supported slot PCle SSD Is Not Visible In Disk Management In The Operating System Probable Cause Device driver is not installed Solution 1 Download the latest PCle SSD driver from the support site Open Device Manager and double click Other Devices where the PCle device displays a yellow mark Right click and install the driver on the instance For more information on possible error conditions with your PCle SSD see the system specific Owner s Manual Fluid Cache For DAS Fluid Cache tree is not seen in OMSS Install Fluid Cache and restart the OpenManage services Additional entries seen in the statistics chart Upgrade the RRD tool version 1 3 7 or later Fluid Cache device is not seen in the operating system Configure the Fluid Cache device For more information refer to the Configuration section in the Fluid Cache For DAS User s Guide On H310 do not see any option for Fluid Cache H310 is not a supported controller Cannot add more than 64 VDs for caching Fluid Cache supports only
294. xample a RAID 6 disk group that is implemented with four physical disks and then continues on with a disk group of four more physical disks would be a RAID 60 30 Data Flow Starts Here gt RAID 60 characteristics e Groups sdisks as one large virtual disk with a capacity of s 7 2 disks where sis the number of spans and o is the number of disks within each span e Redundant information parity is alternately stored on all disks of each RAID 6 span e Better read performance but slower write performance e Increased redundancy provides greater data protection than a RAID 50 e Requires proportionally as much parity information as RAID 6 e Two disks per span are required for parity RAID 60 is more expensive in terms of disk space RAID Level 10 Striped Mirrors The RAB considers RAID level 10 to be an implementation of RAID level 1 RAID 10 combines mirrored physical disks RAID 1 with data striping RAID 0 With RAID 10 data is striped across multiple physical disks The striped disk group is then mirrored onto another set of physical disks RAID 10 can be considered a mirror of stripes 31 RAID 10 characteristics e Groups disks as one large virtual disk with a capacity of 7 2 disks where is an even integer e Mirror images of the data are striped across sets of physical disks This level provides redundancy through mirroring e When a disk fails the virtual disk still works The data is read from the
295. y generates alerts or events that are displayed in the Alert Log Some alerts indicate normal activity and are displayed for informational purposes only Other alerts indicate abnormal activity which must be addressed immediately For more information about alerts and their corrective actions see the Server Administrator Messages Reference Guide Monitoring Disk Reliability On RAID Controllers Storage Management supports Self Monitoring Analysis and Reporting Technology SMART on physical disks that are SMART enabled SMART performs predictive failure analysis on each disk and sends alerts if a disk failure is predicted The RAID controllers check physical disks for failure predictions and if found pass this information to Storage Management Storage Management immediately displays an alert icon on the disk Storage Management also sends an alert to the Alert Log and the Microsoft Windows application log E NOTE You may not receive SMART alerts when the 1 0 of a controller is paused Using Alarms To Detect Failures Certain storage components have alarms which when enabled alert you when the component fails Related Links Enabling The Enclosure Alarm Enabling The Controller Alarm Using Enclosure Temperature Probes Physical disk enclosures have temperature probes that warn you when the enclosure has exceeded an acceptable temperature range Related Links SMART Thermal Shutdown Setting The Temperature Probe Values
296. ys the version of the driver that is installed on the PCle SSD sub system NOTE Storage Management displays Not Applicable for sub system for which the driver version cannot be obtained Device Life Remaining Displays the warranted wear out level of the PCle SSD in percentage Displays the available firmware version on the PCle SSD Model Number Displays the Piece Part Identification PPID of the PCle SSD Negotiated Speed Displays the speed of data transfer that the device negotiated during initial communication The negotiated speed depends on the speed of the device the capable speed of the PCle extender card and the current speed of the PCle extender card on that connector Capable Speed Displays the highest possible speed at which the device can transfer data Fluid Cache Pool Member Indicates whether the PCle SSD is a part of a Fluid Cache pool Physical Device Tasks The physical device tasks for PCle SSD are as follows 42 Blinking And Unblinking Performing A Full Initialization On A PCle SSD Preparing To Remove A PCle SSD Exporting The Log Addding PCle SSDs to Fluid Cache Pool Removing PCle SSDs from Fluid Cache Pool To run a physical device task 1 In the Server Administrator window under the System tree expand Storage tree object to display the storage component objects Expand the PCle SSD SubSystem object Expand the Connector object Expand the Enclosure Backplane objec

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