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1. Individual Disk Drive Maintenance 0 A Embedded RAIDWatch User s Manual 4 3 5 Drive Utilities The Drive Utilities window provides the access to the following functions 1 Identify Device This function forces a disk drive s LED to flash so that its location can be easily identified 2 Read Write Test Read Write test proves the usability of physical disk drives 3 Clear Read Write or Format Status Multiple test instances may co exist Use this check circle to cancel the display of a drive s operation progress Drive Utilities a Enclosure amp ction to Perform on Detection of Error No Action Continue Test Y No Recovery to Be Attempted Clear Read Write Test or Format Status Configuration Steps Each function is executed by clicking the check circle selecting conditioning parameters from the associated pull down menus and then by clicking the APPLY button You may abort an on going process by clicking the ABORT button 4120 Individual Disk Drive Maintenance Chapter 4 RAID Array Maintenance 4 4 Task Schedule 4 4 1 Add Task Schedule IMPORTANT Before a task schedule can take effect make sure you configure appropriate time zone date and set up time for the onboard Real Time Clock Critical applications tend to use more reliable disk drives that usually come with FC or SCSI interfaces In cost effective installations using SATA disk drives Media Scan can be schedule
2. 8 2 If you already have a faulty drive in a RAID5 LD and an incorrect drive system will also consider it as fatally failed The LD status will return to the one drive failed state after you insert the correct member Then you can proceed with rebuilding the LD 8 3 If the roaming LD is indicated as Fatal Failed shutdown the LD and find out drives that are marked as MISSING When all correct members are present and their status highlighted as GOOD the Restart command will also become available When inserting member drives from another RAID system it is not necessary to follow the original slot locations Logical configuration is stored on each member drive s 256MB reserved space Configuring Logical Drives Chapter 3 Creating and Configuring RAID Arrays 10 An All Member Drives Restored event will prompt when all members are present Shutting Down and Restarting Infortrend Information Quick Install Logical Drive set Delete Logical Drive Enclosure JBOD 1 1 Set Delete Logical Drive Create Logical Drive Add Drive Migrate Expand Media Scan Regenerate Parity Rebuild ID 26FC2D8C Restore amp Undelete size MB 2 9004 Stripe Size KB 128 Logical Volume ee eee Status apod Host LUN Name Max Length 32 Drives Channel Write Policy Default L A Task Schedule Assignment Slot Config Power Saving Level 1 Disable vi then Level 2 Disable Agent
3. Chapter 6 Event Notification 6 4 SNMP Community The SNMP community option allows you to narrow down the scope of monitored devices in your network This is helpful especially in a large configuration and using the 3 party MIB Management Information Bank browser To make use of the MIB browser function please contact Infortrend s technical support and acquire MIB related files Enter a Community String password to authenticate SNMP messages for the community where the storage system will join in and reset the system later for the configuration to take effect Infortrend Information Quick install Logical Drive Logical Volume SNMP Community Host LUN Drives SNMP Community Channel Task Schedule Config Agent Agent Email SNMP SNMP Community Broadcast MS Notify SNTP Event Logout Below is a sample screen showing the use of a 3 party MIB browser software Corresponding SNMP settings are required Q iReasoning MIB Browser Ly gog Fie Edit Operations Tools Bookmarks Help Address 192 168 199 231 N Advanced OID 1 3 6 1 4 1 1714 1 1 1 4 1 0 7 Operations Get Next E co SNMP MIBs l Result Table Name OID Value Type m 1 3 6 1 2 1 1 1 0 Infortrend SNMP agent OctetString cpuType 0 PPC750GX GL OctetString G iftSnmpTrap cacheSize 0 1024 Integer G infortrend 2 memoryType 0 5 Integer fwMajorversion O 3 Integer fwMinorVersion O 63 Integer fwEngineerversio 3 Integer brMajorVe
4. parameters are permanent for specific logical drives The Default selection however is more complicated and more likely equal to not specified If set to Default a logical drive s write policy is controlled not only by the system level caching mode setting but also by the Event trigger mechanisms The Event Trigger mechanisms automatically disable the write back caching and adopt the conservative Write through mode in the event of battery or component failures 5 Assignment If your subsystem is managed by more than one RAID controller dual redundant RAID controllers you can manually divide the work load between these two controllers by assigning logical drives to different controllers 6 Initialization Two initialization modes are available Online and Offline The online mode allows you to immediately distribute I Os to the logical drive and avail the logical drive for the following configuration processes e g RAID partitioning 7 Power Saving This feature supplements the disk spin down function and supports power saving on specific logical drives or non member disk disks with an idle state and the 2 stage power down settings Advantages see the power saving features below Applicable Disk Drives Logical drives and non member disks including Spare drives and un used drives new or formatted drives The power saving policy set to an individual logical drive from the
5. Step 2 Click on a Used drive A Used drive is one that had been included in a logical drive and is now released Individual Disk Drive Maintenance 4 9 Embedded RAIDWatch User s Manual Reserve Space Enclosure Brive for formatunformat slot fis Step 3 Click the Unformat buiton to finish the process 4 3 3 Media Scan This function has been described previously in the logical drive function group The only difference is in here you can perform Media Scan on all types of Spare Drives 4 3 4 Clone The Clone function is actually a disk to disk copying functionality which is useful in situations such as making a duplicate of the entire logical drive Clone members one by one or making a copy of a single drive NRAID To clone a member of a logical drive please follow the configuration steps below Step 1 Click on the Clone function link on the navigation panel 410 Thdividual Disk Drive Maintenance Chapter 4 RAID Array Maintenance Clone G Enclosure Ni a 2 Step 2 Select a member drive you want to clone Firmware will automatically select the first available Spare drive usually the Dedicated Spare to clone the specified member Step 3 Select the Clone type you prefer Perpetual Clone means the source drive will remain the member of the logical drive while Replace after Clone will bring the source drive offline Step 4 Click on the CLONE button to begin the cloning process
6. To add a drive to an existing logical drive follow the steps below Step 1 Click on the Add Drive function link on the navigation panel to bring out the Add Drive window Tae 2 i Step 2 Select a logical drive you want to add a new drive to by a single mouse click Step 3 When a logical drive is selected the logical drive s information displays such as the unique ID RAID level stripe size etc Click on one or more unused disk drives A selected logical drive or individual disk drive is highlighted by a light blue square Step 4 Click on the APPLY button at the bottom of the screen to complete the configuration process The subsystem will then start to re calculate and re distribute data and parity among the original and the new members 3 2 4 Migrate RAID Migration such as migrating from RAID5 to RAID6 requires additional disk capacity The operational theory is described below 1 Currently the RAID migration function supports the migration between RAID5 and RAID6 Configuring Logical Drives 3 13 Embedded RAIDWatch User s Manual 2 Before proceeding with RAID migration make sure you have sufficient free capacity or unused disk drives in your RAID array RAID6 arrays require at least four 4 member drives and use additional capacity for the distribution of secondary parity For example if you want to migrate a RAID5 array consisting of three 3 member drives to RAID6 one additional
7. Utilities Channel Task Schedule Config Agent Event Logout Copyright 2006 Infortrend Inc Step 2 All rights reserved Step 2 1 Step 2 2 Step 2 3 Spare Disk Enclosure Assign Spare Drive slot Global Spare Drive Enclosure Spare Drive Local Spare Drive for LD C Delete Spare Drive slot If you prefer a Global Spare click to select a new used drive Check if the slot number of the selected drive is correct If you prefer a Local Dedicated Spare click the logical drive the spare will be assigned to click to select a new used drive and then click the APPLY button to proceed If you prefer an Enclosure Spare in applications with cascaded enclosures click the check circle in front of the Enclosure Spare option and then select a new used drive Click the APPLY button to complete the process Individual Disk Drive Maintenance Chapter 4 RAID Array Maintenance 3 pas 4 3 2 Reserved Space Once a disk drive is included in a logical configuration a 256MB disk space will be segregated for storing the array related data formatted with a mini file system and for keeping information such as Ethernet port MAC address etc This reserved space can be removed from a disk drive in order to proceed with low level operation such as the Read Write Test under the Utility function group The configuration steps are listed below Step 1 Open the Reserved Space window
8. away Wait 1 minute for the drive motor to spin down before removing it completely away from chassis If you handle HDDs while motors are still spinning HDDs can be damaged Do not leave the drive bays open when drives are removed If you have additional empty drive trays install them into the chassis in order to maintain regular airflow within the chassis If not disassemble HDDs from the drive trays and transport them using drive transport cases If you have spare drive trays you can use the original foam blocks and shipping boxes in EonStor s package These foam blocks can contain drive trays along with the HDDs fixed within Additional packaging protection should be provided if you need to ship HDDs Step 8 Step 9 Step 10 Install these members to another EonStor system Close the drive bezels and lock the rotary bezel locks Open the management console with the target system The logical drive should be listed in logical drive window after a brief delay and its status indicated as a SHUTDOWN LD Single click to select the shutdown LD and click the Restart button to bring it online Configuring Logical Drives Chapter 3 Creating and Configuring RAID Arrays Infortrend Information Quick Install Logical Drive Set Delete Logical Drive Create Logical Drive Set Delete Logical Drive Add Drive Migrate Expand Media Scan Regenerate Parity Rebuild ID 26FC2D8C Copy a
9. 12698281 476 Lun Map Information ChPhyNo Scsi Lun Fiter LDLV Partition Size MB o A102 0 N Lv 12698281 0 476 Step 4 1 The Information window may contain information of many logical drives and LUN associations You can hide a displayed item e g the Logical Drive Information by clicking the icon For security reasons there is a 15 minutes timeout value for any management session If timeout is reached you will be required to logon again to restart the management session Microsoft Internet Explorer x N Your session timed out Please login again However if your management session is unattended at the Information screen the management session will not timeout You can also use the refresh button on your browser if your session has timed out You may now proceed with configuring your RAID arrays Starting a Management Session Chapter 2 Starting Up 2 3 Screen Elements Screen Elements Navigation Panel tammi ni ari P g a aga iim Pha iaar el 7 logical iviye baies a Enclosure i u PAD Le e Configuration View Pe ae f A Array information iim Map Iome ien Chi Fig iia Cos E y Vama his in Event List e giles rere iow T vaa i ff Diet PPP PPP Pee errr ee rye Fi ERK KoococSe SS THORS tooto The GUI screen can be divided into two 3 separate windows a tree structure Navigation Panel the Configuratio
10. BROADCAST husi a a a a a a aa 6 5 6 6 MICROSOFT MESSENGER NOTIFICATION cccscceceecescusceceecuseuseeeeseuseuseeenseeenseues 6 6 67 SIN errcice cise aha scans A eweanneneeaeanenas 6 7 68 EVENT LOG iiciies eeticceesitaicedecscdousics A ER 6 8 List of Tables Table 3 1 RAID Levels and Stripe SiZ S eecccccccceeccseeeeeeeeeeeseeeeeeeeeeeeesseeeeeeeeeeeseaas 4 Table 3 2 Power Saving Features cccccccssssssecceeeeceeeesseeceeeeeseeesseeeeeessseeaeeeeeeeseseaas 6 yi Embedded RAIDWatch User s Manual Table 3 3 RAID5 and RAID6 Comparison Chart cccccccceeeecceeeeeeeeeeeeeeseseeeeseeeees 14 Table 3 4 LUN Mapping Entries Screen Legends cccceeeecceeeeseeeeeeeeeeeceeeeeaeees 27 Table 5 1 Peripheral Device Type Parameters cccccccccsescceceeeceeseeeecesseeeeeesaeeeeeas 18 Table 5 2 Peripheral Device Type Settings ccccccsseeeeeeeeeeeeeeeeeueeseeeeseeseesesaaaees 18 Table 5 3 IPOWERSaVING FeatUlES sinipi 22 Table of Figures Figure 1 1 Web Access to Disk Arrays ccccssssccccccssseeeeeeceeeseeeseeeeseeeeeseaseeeeessageeeeeens 7 Figure 3 1 Drive Tray Be Zel ccccccssscecceeseeeceeeeecseseeeceasseeceageeeeseseeessueeessageeesseags 20 Figure 3 2 A Sample Mapping SCHEME ccccccccecesseeeeeeeeeeeaeeeceeeeeeeeseeaeeeeeeeeesaaas 32 Figure 5 1 Converting 48 bit MAC Address into IPv6 Interface ID cecceeeeeeeeees 4 User s Manual Overview This m
11. CDEF 5432 48 On the RAIDWatch Communications Including IP Settings Chapter 5 Configuration Parameters screen slash is not necessary The prefix number is entered in the length field The first 48 bits contain the site prefix while the next 16 bits provide subnet information An IPv6 address prefix is a combination of an IPv6 prefix address and a prefix length The prefix takes the form of lpv6 prefix prefix length and represents a block of address space or a network The ipv6 prefix variable follows general IPv6 addressing rules See RFC 2373 for details For example an IPv6 network can be denoted by the first address in the network and the number of bits of the prefix such as 2001 0db8 1234 48 With the 48 prefix the network starts at address 2001 0db8 1234 0000 0000 0000 0000 0000 and ends at 2001 0db8 1234 ffff ffff ffff ffff ffff Individual addresses are often also written in CIDR notation to indicate the routing behavior of the network they belong to For example the address 2001 db8 a 123 128 indicates a_ single interface route for this address whereas 2001 db8 a 123 32 may indicate a different routing environment IPv6 Prefix a Description 2001 410 0 1 45FF 128 A subnet with only one Ipv6 address 2001 410 0 1 64 A subnet that contains 2 nodes Often the default prefix length for a subnet 2001 410 0 48 A subnet that contains 2 nodes Often the default prefix length for a si
12. Event Logout APPLY PARTITION DELETE SHUTDOWN RESET Click on the shutdown button to View and Edit Logical Drives menu locate a logical drive to be shutdown by moving cursor bar to it Press Enter to display LD related commands Step 1 Stop host I Os to the logical drive that will be shutdown Step 2 In Logical Drive gt Set Delete Logical Drive click on a logical drive you wish to shut down Step 3 Click on the Shutdown button Once the logical drive is shutdown an event message will prompt indicating a successful operation The LD status will turn to SHUTDOWN Step 4 Now you can remove the members of the logical drive It is recommended you verify the locations of member drives against the enclosure view display You may put sticky notes on drive bezels to avoid removing the wrong drive All EonStor series has a drive tray numbering sequence that goes from left to right and then top to bottom Below is an example of a 3U profile chassis Slot Slot2 Slot4 Slot5 Slot6 Slot8 Slot9 Slot10 Slot1 1 Slot12 Configuring Logical Drives 3 19 Embedded RAIDWatch User s Manual 3 20 Step 5 Step 6 Step 7 Slot13 Slot14 Slot15 Slot16 Use a small sized flathead screwdriver to unlock the bezel lock Rotary Bezel Lock Drive Busy LED Release Button Power Status LED Figure 3 1 Drive Tray Bezel Push the release button to open the drive bezel Pull a drive tray away from drive bay only 1 inch
13. For installations without battery backup or with a concern that cache memory will be occupied and jammed with the sync Cache communications between RAID controllers periodic flush of cached data may be a good idea Controller Parameters Controller Name The controller represents the whole subsystem and makes the subsystem easily located in a multi array installation Unique Identifier With the identifier firmware can implement unique port names MAC addresses etc All controllers come with a default and it is recommended to keep the default value Time Zone Infortrend s Subsystems use GMT Greenwich Mean Time a 24 hours clock implemented with the RTC To change the clock to your local time zone enter the hours later than the Greenwich mean time after a plus sign For example enter 9 for Japanese time zone Date amp Time Enter appropriate numbers in the associated columns Click on the APPLY button for your configuration to take effect Note that changing the optimization mode will not take effect until your move your data elsewhere and re create your RAID arrays The SAVE CFG button allows you to save your current configuration as an XML file Controller Parameters 5 11 Embedded RAIDWatch User s Manual 5 5 System Parameters The System Parameters window contains the following functions System Controller Mute Bee p C Shutdown and Reset the C Reset the Controller controller Down
14. Manual 3 6 3 Channel ID You may create more channel IDs for more complicated or the redundant controller configurations You need to manually configure controller B IDs for a redundant controller system Follow the procedure below to add or remove channel IDs Step 1 Click on one of the existing host IDs AlDs are the Slot A IDs BIDs are the Slot B IDs managed by the Secondary Slot B controller Channel List Phy Num AID aNSyn Clock Cur Syn Clock DefWidth Cur Wi 0 101 102 2 GHz Serial Serial 1 2 GHz Serial Serial 2 1 5 GHz SATA SATA 3 1 5 GHz SATA SATA 4 Drive Auta 14 GH SATA SATA Step 2 The available Slot A and Slot B IDs will be listed Select an ID by a single mouse click and use the gt gt or lt lt buttons to move host IDs between the Available and the Current ID fields Channel ID Channel ID Configuration Available Slot A IDs Current Slot AIDS 101 102 Current Slot B IDs 3 34 Channel Configuration Chapter 3 Creating and Configuring RAID Arrays Step 3 Click the APPLY button to finish the configuration process or the RESET button to cancel the selections you made and the GO BACK button to return to the previous screen Step 4 You will then be prompted by a confirm message Click OK to proceed Microsoft Internet Explorer hy 2 Are you sure to modify the channel s id Cancel Step 5 The next prompt will remind you the co
15. View and Edit Logical Drive menu has priority over the 3 5 Embedded RAIDWatch User s Manual general Drive side Parameter setting Power saving Levels Table 3 2 Power Saving Features Level Power Saving Recovery Time ATA command SCSI Ratio command 15 to 20 isecond dle tle SC 30 to 45 seconds Standby NOTE HDD vendors may have different definitions for the idle state Most vendors ramp load or park the hard disk actuator arm while not all vendors reduce the rotation speed Hard drives can be configured to enter the Level 1 idle state for a configurable period of time before entering the Level 2 spin down state Set Delete Logical Drive Enclosure ID SC25BE4F RAID Level NRAID Size MB 34812 Stripe Size KB 128 Status Good Name Max Length 32 Write Policy Default ha Assignment Slot A fae Power Saving Level 1 After 1 hours then Level 2 After 1 hours a Step 5 Click the APPLY button to create the logical drive A message should prompt as shown below Microsoft Internet Explorer x A Starting logical drive creation Step 6 The configuration screen will automatically switch to the Set Delete window The initialization progress if initialization has begun is indicated by a gauge bar and the percentage count at the bottom of the screen 3 6 Creating Logical Drives Chapter 3 Creating and Configuring RAID Arrays Set Delete Logical Drive Enclosu
16. able to restore a logical drive The members of a deleted LD will be indicated as FRMT formatted drives with array information still intact in its 256MB reserved space These drives will not be converted into auto hot spares unless users manually put them into other uses Restore Procedure Locate a logical drive you want to restore from the Logical Drive gt Restore amp Undelete window Use a single click to select a logical drive to recover and then the Restore Undelete button If all member drives are present the restoration should complete immediately Event messages will prompt and then you can create LUN mapping for the recovered logical drive to put it back to use Infortrend Restore amp Undelete Information Quick Install o Enclosure Logical Drive SetDelete Logical Drive Create Logical Drive Add Drive Migrate Expand Media Scan Regenerate Parity Rebuild ID Copy amp Replace RAID Level Restore amp Undelete Size MB Stripe Size KB Logical Volume Status Host LUN Name Drives Write Policy Channel Task Schedule Config TES Restore Undelete RESET ge Event Logout Configuring Logical Drives 3 17 Embedded RAIDWatch User s Manual 3 18 3 2 7 Logical Drive Roaming The Online Roaming capability allows users to physically move the member disks of a configured LD to another EonStor storage system without disruptions to service This applies when dupli
17. array configuration via Management centralized management interface Embedded RAIDWatch User s Manual Copyright 2006 First Edition Published 2006 All rights reserved This publication may not be reproduced trans mitted transcribed stored in a retrieval system or translated into any language or computer language in any form or by any means elec tronic mechanical magnetic optical chemical manual or otherwise without the prior written consent of Infortrend Technology Inc Disclaimer Infortrend Technology makes no representations or warranties with respect to the contents hereof and specifically disclaims any implied warranties of merchantability or fitness for any particular purpose Furthermore Infortrend Technology reserves the right to revise this publication and to make changes from time to time in the content hereof without obligation to notify any person of such revisions or changes Product specifications are also subject to change without prior notice Trademarks Infortrend Infortrend logo EonStor and RAIDWatch are all registered trademarks of Infortrend Technology Inc Other names prefixed with IFT and ES are trademarks of Infortrend Technology Inc Solaris and Java are trademarks of Sun Microsystems Inc Microsoft Windows Windows NT Windows 2000 Windows XP and Windows Server 2003 and Windows Storage Server 2003 are registered trademarks of Microsoft Corporation in the U S and oth
18. color Create New Logical Volume Avaliable Logical Drives an RAID Lv Size MB Status CDE36E4 RAID 6 500 Good B 31528EA7 RAID 6 500 Good Write Policy Default Step 4 Select a preferred setting for Write Policy and Assignment You may designate a permanent write 3 22 Creating a Logical Volume Step 5 Creating a Logical Volume Chapter 3 Creating and Configuring RAID Arrays policy for this logical volume Write back or Write through Assignment determines whether the logical volume is managed by a Secondary Slot B controller Default is Slot A Click the APPLY button to finish the configuration process The RESET button cancels the current selections 3 23 Embedded RAIDWatch User s Manual 3 4 Configuring Logical Volumes The Set Delete Logical Volume screen provides access to the following functionalities Write Policy Delete and Partition The Write Policy options have previously been described The Delete button breaks down a configured volume The logical drives previously included within will then be individually configurable NOTE A logical volume can not be deleted if it has been associated with host ID LUNs Remove the host LUN mappings before deleting a logical configuration either a logical drive or logical volume SetDelete Logical Volume Logical Yolume List ID RAID Lv Size MB Member Count E 68645330 0 1000 2 ID 68645330 RAID Lv RAID O Siz
19. disk drive must be added 3 The differences between RAID5 and RAID6 arrays are summarized as follows Table 3 3 RAID5 and RAID6 Comparison Chart a No of Member Drives Raw Capacity Usable Capacity N 1 1 drive s N 2 2 drives capacity Capacity used for used for storing parity storing parity data data N gt 4 If individual disk capacity 100G The usable capacity of a 4 drive RAID5 4 1 x 100G 300G The usable capacity of a 4 drive RAID6 4 2 x 100G 200G Exemplary Procedure Step 1 Click on the Migrate function link on the navigation panel to display the Migration screen Migrate D 2 Cont Step 2 Select the target array by a single mouse click A RAID5 array is selected in this exemplary procedure 3 14 Configuring Logical Drives Step 3 Step 4 Step 5 Configuring Logical Drives Chapter 3 Creating and Configuring RAID Arrays Select one or more disk drives to be included in the RAID6 array Select an appropriate RAID level and stripe size If you do not want to use up all capacity at this time enter a smaller capacity than listed in the Drive Size MB after Migration Click on the APPLY button to complete the configuration process Firmware will start re calculate and re distribute data and parity among the original and the added members 3 15 Embedded RAIDWatch User s Manual 3 2 5 Expand The Expand function applies to the following 1
20. revision will do do not upgrade your firmware If Errors occur during the upgrade process you may have to RMA the product and prolonged down time will result 2 Download NVRAM File Name You may load a previously saved NVRAM configuration profile to your subsystem Use the Browse button to locate the NVRAM profile 3 Download FW BR Download firmware and Boot Record code Boot Record controls communications with hardware during system initialization and is usually not necessary Please consult your vendor for more information 4 Upload NVRAM to Host Disk This saves the NVRAM configuration profile to system drive 5 Save NVRAM to Reserved Space All member drives in any of Infortrend s RAID subsystems has a 256MB reserved space Since these disk drives are protected by RAID you may also save an NVRAM profile to this space NVRAM contents is automatically duplicated to the reserved space on every member drive 6 Restore NVRAM from Reserved Space without Password In case you forget the password previously saved with your NVRAM profile you may choose not to restore the previous password 7 Restore NVRAM from Reserved Space including Password If you are certain that your system password has not been changed you can restore NVRAM with included password 8 Export Configuration Data as Text File Saves a backup of your configuration as a simple text file 9 Export Configuration Data as XML File Saves a backup of y
21. s Manual Create iSCSI Initiator Elam Alias Name Host IQN User Name User Password o Confirm User Password Po Target Name Target Password SSS Confirm Target Password IP Address NetMiask 255 ess 7255 fo If you prefer CHAP authentication please remember to enable the CHAP Configuration on the iSCSI initiators is also necessary 3 30 functionality in Config gt Host side Parameters Host LUN LUN Mapping Chapter 3 Creating and Configuring RAID Arrays High Availability Concerns The access from multiple data paths is allowed in conditions that you want to obtain path redundancy with data links from redundant RAID controllers Data paths from the controller having the ownership of a logical drive will be active while those from the partner controller will be passive This method is known as TPGS Target Port Group Service or ALUA and requires the EonPath multi pathing driver on the host side For example if a logical drive is assigned to controller A the data links from controller A will become active paths in normal conditions You can use the filtering options to allow logical drive mapping to controller B IDs for making stand by passive paths from Controller B This way you have path redundancy in an IP SAN The sample below shows how path redundancy is achieved by mapping a logical drive to multiple host LUNs You can also find similar samples in yo
22. same color as other members of the logical drive it belongs to A Global Spare uses the default color black Both Dedicated and Global Spares have an orange cross superimposed on them Replacement drives These are physical drives that are manually configured into the array to replace failed drives In the absence of spare drives you will need to use replacement drives to replace defective drives before rebuild takes place If a spare drive has been used to rebuild the array you will also need to replace the failed drive manually and create another spare in case another drive fails Failed drives These are physical drives that fail due to some type of error Failed drives appear with red LED marks on their respective icons Logical drives Logical drives are the combinations of multiple physical drives Combining physical drives into logical drives gives you a disk array with the protection performance of a specific RAID level To view logical drives select Logical Drives under the navigation menu tree Logical volumes Volumes are the combinations of several logical drives Combining logical drives into logical volumes gives you a single logical unit with even larger capacity Logical volumes or their partitions are mapped to various host LUNs To view logical volumes select Logical Volumes under the navigation menu tree 2 Embedded RAIDWatch User s Manual 2 8 2 7 Operating with Spare Drives You can assi
23. the APPLY button for the regeneration process to begin Logical Drive Maintenance Chapter 4 RAID Array Maintenance 4 1 3 Copy amp Replace One major benefit of Copy amp Replace is that you can expand your RAID arrays online without purchasing new enclosures for additional capacity Members of a RAID array can be replaced by drives of larger capacity Precondition You should have at least one drive tray which is not currently responsible for host I Os i e a new used drive To replace a member drive follow the steps below Step 1 Click on the Copy amp Replace function link on the navigation panel Select a source drive a member of a logical drive by a single mouse click Infortrend Information Quick Install Logical Drive Copy and Replace Enclosure SetDelete Logical Drive Create Logical Drive Add Drive Migrate Expand Media Scan Regenerate Parity Rebuild Copy amp Replace Logical Volume Host LUN a Source Drive Slot fi Channel Target Drive slot 17 Task Schedule PEN Config Agent Event APPLY RESET Logout Copyright 2006 Infortrend Inc All rights reserved Step 2 Select a new used drive by a single mouse Click Step 3 Verify the slot number of the selected Source and Target drives Click the APPLY button to confirm or click RESET to cancel the previous selections Firmware will start cloning data from source to target drive The Source drive will be replaced b
24. to perform such procedure can vary between drives of different brands and models The default setting for I O timeout is 7 seconds It is recommended to keep the default 3 Maximum Tag Count Drive side Parameters This feature facilitates the support for both Tagged Command Queuing TCQ and Native Command Queuing NCQ ICQ is a traditional feature on SCSI and Fibre disk drives while NCQ is recently implemented with SATA disk drives The queuing feature requires the support of both host adapters and hard disk drives Command queuing can intelligently reorder host requests to streamline random accesses for l OPS multi user environments The default setting is Enabled with a maximum tag count of 32 SCSI Fibre drives or 4 for SATA SAS drives 5 19 Embedded RAIDWatch User s Manual 9 20 AN CAUTION Disabling Tag Command Queuing will disable the hard drives built in buffer Although Command Queuing can boost performance however data cached in drives buffer will be affected if power outage occurs 4 Periodic Drive Check Time sec The Periodic Drive Check Time is the time interval for the controller to check all disk drives that were on the drive bus at controller startup a list of all the drives that were detected can be seen under View and Edit Drives 5 Periodic SAF TE and SES Device Check Time sec If there are remote components in your RAID enclosure being controlled via SAF TE
25. A SATA NA SET 13 Drive Auto SATA SATA NA SET 14 Drive Auto SATA SATA NA SET 15 Drive Auto SATA SATA NA SET 16 Drive Auto SATA SATA NA SET 17 Drive Auto SATA SATA NA SET 18 Drive Auto SATA SATA NA SET 19 Drive Auto SATA SATA NA SET 20 Drive Auto SATA SATA NA SET E Drive Auto SATA SATA NA SET 22 Drive Auto SATA SATA NA SET 23 Drive Auto SATA SATA NA SET 24 Drive Auto SATA SATA NA SET 25 Drive Auto SATA SATA NA SET 26 RCC Auto SATA SATA NA SET 27 RCC Auto SATA SATA NA SET 28 RCC Auto SATA SATA NA SET 29 RCC Auto SATA SATA NA SET 30 RCC Auto SATA SATA NA SET 31 RCC Auto SATA SATA NA SE 3 32 Channel Configuration Chapter 3 Creating and Configuring RAID Arrays 3 6 2 Channel Speed In rare occurrences should a channel speed be adjusted to a lower value If the need should arise follow the procedure below to change the channel speed Step 1 Click on the SET button located at the right hand side of a channel information line Channel Configuration Sync Transfer Clock Chip Information Chip Type I5P2312 Chip Rev ID 2 Chip FA Rev ID 3 03 19 RESET GO BACK Channel Configuration Sync Transfer Clock Auta Chip Information GO BACK Step 2 Select a preferred speed at the Sync Transfer Clock Select an option from the pull down menu Use the RESET button to cancel a selection and use the GO BACK button to return the previous screen 3 33 Channel Configuration Embedded RAIDWatch User s
26. Create LUN Create WWVN Name Drives Channel Task Schedule Config Agent Event Logout Copyright 2006 Infortrend Inc All rights reserved 3 5 4 Create iSCSI Initiator Use this window to specify a specific iSCSI initiator into a list maintained by system firmware This window is only available for iSCSI RAID systems Use this window to locate and include iSCSI initiators in your IP SAN Note that User Name and User Password apply to one way CHAP Taking Microsoft s software initiator as an example the User Name and Password can be found in your initiators CHAP logon information window Discovery gt Add Target Portal gt Advanced gt CHAP Logon Information The Target Name and Target Password are the outbound name and password for two way CHAP authentication Identical name and password must also be set on the iSCSI initiator The Alias Name is user configurable while initiators Host IQN can be automatically displayed if the target namely your iSCSI RAID can be detected on the initiator side An IQN can also be manually entered Host LUN LUN Mapping 3 29 Infortrend Information Quick Install Logical Drive Logical Volume Host LUN ListDelete Create LUM Create Filter Create iSCSI Initiator Drives Channel Task Schedule Data Service Snapshot Config Agent Event Logout All rights reserved a Copyright 2006 Infortrend Inc Embedded RAIDWatch User
27. Host LUN Connection Each of the above mentioned nexus has 32 tags reserved When the host sends 8 I O tags to the controller and the controller is too busy to process them all the host might start to send less than 8 tags since then This setting ensures that the controller will accept at least 32 tags per nexus Fibre Connection Option Fibre Channel Only Specifies the Fibre Channel host port protocol Cylinder Head Sector This is configurable only when using older Solaris operating systems which fail to allocate a disk space larger than 1GB Login Authentication with CHAP Both one and two way CHAP authentication are supported To set up CHAP names and passwords refer to the description for options in Host LUN gt Create iSCSI initiator 5 17 Embedded RAIDWatch User s Manual 5 18 8 Jumbo Frames Jumbo Frames facilitates network performance reduces CPU cycles and enhances packet delivery efficiency Each Ethernet nodes and device ports where the iSCSI traffic will go through should all support Jumbo Frames setting Peripheral Device Type Parameters The peripheral device type settings only apply to In band management connection when there is no existing logical drive mapped to host channel The RAID subsystem must then appear as a peripheral device Refer to the table below for the appropriate combinations for different OSes Operating Peripheral Peripheral Device LUN System Device De
28. Infortrend Embedded RAIDWatch Browser based Management GUI Manager for Infortrend EonStor Subsystems User s Manual Document Revision 1 2 Apr 2009 For firmware revision 3 71 and later Embedded RAIDWatch User s Manual Contact Information Asia Pacific International Headquarters Infortrend Technology Inc 8F No 102 Chung Shan Rd Sec 3 Chung Ho City Taipei Hsien Taiwan Tel 886 2 2226 0126 Fax 886 2 2226 0020 sales ap infortrend com support ap infortrend com http esupport infortrend com tw http www infortrend com tw China Infortrend Technology Limited Room 1210 West Wing Tower One Junefield Plaza No 6 Xuanwumen Street Xuanwu District Beijing China Post code 100052 Tel 86 10 6310 6168 Fax 86 10 6310 6188 sales cn infortrend com support cn infortrend com http esupport infortrend com tw http www infortrend com cn Japan Infortrend Japan Inc 6F Okayasu Bldg 1 7 14 Shibaura Minato ku Tokyo 105 0023 Japan Tel 81 3 5730 6551 Fax 81 3 5730 6552 sales jo infortrend com support jo infortrend com http esupport infortrend com tw http www infortrend co jp Americas Infortrend Corporation 2200 Zanker Road Unit D San Jose CA 95131 USA Tel 1 408 988 5088 Fax 1 408 988 6288 sales us infortrend com http esupport infortrend com http www infortrend com Europe EMEA Infortrend Europe Limited 1 Cherrywood Stag Oak Lane Ch
29. M 2924 SFP Plus are shown below Oy Birisi Tattoh SSP Phos Hiorosolt Intent Geplorer 218 x Ajres http ied 254 245 tahoe htm AA Baseline Switch 2924 SFP Plus oo Device Summary Device View Elo uns 3com Device Summary ave Configuration Adminksiration Dee EF Par b Security Device Summary Monitoring Product Dnscrgion 3Com Bastini Seith rad Se F PIS Help System Hames i set waen Contact SerialNumber STRGSP MRE 240 Produc 30 Number ICALSGZ Ayreon Object We 36141420881 Addinnsc Die Bete 40 Dysam Up Times S dave 18 houre 50 minuies 22 seconde vrare Wer aioe 01 006 05 ot Verso 10014 Harderare Version 01 ot oa Poll Nw The defaull polling mleneal amp BU sec ig Deore Bees i tater Trunk Group Trunk Group Chapter 5 Configuration Parameters Configuration is done via Port gt Link Aggregation gt Aggregation group ID Port selection is done via LACP gt Select port Baseline Switch 2924 SFP Plus 3C Mm Port gt Link Aggregation Summary 0 Summary Deica Summary Sat Comfiqurstion Group ID Type Ports 1 LAC 1il Administration Device r Pont t Security Monitoring j liel Address E hep 100 204 Seia hema hiri EAN Baseline Switch 2924 SFP Plus Port Link Aggregation Create 3c0mM Save Configuration Enter aggregation Group ID E 1 8 ees C Gaie LACP rralle Administrat
30. REATING LOGICAL DRIVES eiiacoceeiictieevesekccecciiaieiiedn dicts ech aeiiialetellecaae 3 1 3 1 1 Ock INST All ATG a ae aa 3 1 3 1 2 Manual Configuration Creating a Logical Drive cccccceeeeeeeeeeees 3 3 3 2 CONFIGURING LOGICAL DRIVES nanssnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn nnmnnn 3 9 3 2 1 Partitioning a Logical DIive ccccccccccsssseeeceseeeeseeeeeeseeseeesaeeeesenaeees 3 11 3 2 2 CISL a ANIL O A EEE EAE E EE E nace E ERE 3 12 3 2 3 Add DIVO arra a E E E AE 3 13 S24 MO ANG aana r A A EEA 3 13 329 EXPAT E EAE AE 3 16 3 2 6 Restore an Accidentally Deleted LD annnnnnnnnnnnnnnennnnnnnnnnnnnnneeeennne 3 17 32 Logical DVS TOGIMING sesine R AE 3 18 3 3 CREATING A LOGICAL VOLUME nsnasnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn nnmnnn 3 22 3 4 CONFIGURING LOGICAL VOLUMES ccscescceccescesceeceeceecescescesenecneceeceeceeseees 3 24 3 4 1 Expand a Logical VOIUMC i2 ccHe cine ees 3 25 3 5 HOST LUN LUN MAPPING secsssccsiasvecscicvedcadeareawstacnivacswetaveuludeouseedssredeanies 3 26 Embedded RAIDWatch User s Manual 325 1 LSE DCIS Ce aie este ea serene ad el se ee teat ie ee ate nett 3 26 3 5 2 CEE IN ea ee eat E 3 28 35 3 Create WNN NaMe eeir eee ce aes Sg Po eee ds eee acces 3 29 3 5 4 Groate TS Gol WMA O aeei a 3 29 3 6 CHANNEL CONFIGURATION sisestescecnwverenevonseus deanweudcescunteecuaveeuusunueudsuvenadeuduteues 3 32 3 6 1 Viewing Channel Information c
31. S E S devices use this function to select how often the controller will check the status of these devices 6 Periodic Auto Detect Failure Drive Swap Check Time sec The controller scans drive buses at this interval to check if a failed drive has been replaced If a failed drive is replaced the controller will proceed with the rebuild process w IMPORTANT The Periodic Drive Check Time is enabled by choosing a timeout value Default is one second The RAID controller will poll all connected drives through the controllers drive channels at the assigned interval Drive removal will be detected even if a host does not attempt to access data on that specific drive If the Periodic Drive Check Time is set to Disabled the controller will not be able to detect any drive removal that occurs after the controller initialization process The controller will only be able to detect drive removal when a host attempts to access data on that drive 7 Drive Predictable Failure Mode SMART Disabled Disables S M A R T related functions Detect Only When the S M A R T function is enabled the controller will send a command to enable all drives S M A R T function if a drive predicts a problem the controller will report the problem in an event log Detect and Perpetual Clone Drive side Parameters Chapter 5 Configuration Parameters When the S M A R T function is enabled the controller will send a command to enable all dri
32. TTP server Once properly configured the controller subsystem s Ethernet port behaves like an HTTP server Conceptual Foundation 1 9 Embedded RAIDWatch User s Manual This page is intentionally left blank 1 10 Conceptual Foundation Before You Start Chapter 2 Starting Up Infortrend s RAID systems running firmware revision 3 48 or above come with an Embedded RAIDWatch and HTTP server Shown below are some considerations for the use of the Embedded RAIDWatch 2 1 Before You Start 2 2 Starting a Management Session 2 3 Screen Elements 2 4 Logout 2 5 Background Information 2 6 Definition of Terms 2 7 Operating with Spare Drives 2 8 Operating without Spare Drives 2 1 Embedded RAIDWatch User s Manual 2 2 2 1 Before You Start The Embedded RAIDWatch comes with no preset password If you have a preset password for your RAID system enter the password the first time you access the system using the Embedded RAIDWatch 2 2 Starting a Management Session Step 1 Accessing the Embedded RAIDWatch is as simple as entering http xxx xxx x xxx index html RAID system IP address in the URL field of your browser The IP address is the one you previously assigned to a RAID subsystem controller s 10 100BaseT Ethernet management port If you do not know RAID system s Ethernet IP use the LCD keypad or RS 232 terminal access to find it under View and Edit Configuration Parameter
33. There is certain amount of capacity intentionally left unused when the logical drive was created 2 More capacity is added to a logical drive by Add Drive or Copy amp Replace using drives of a larger capacity To make use of the unused capacity follow the steps listed below Step 1 Click on the Logical Drive then on the Expand function link from the navigation panel Step 2 Select a logical drive by a single mouse click Information should be available on screen including the logical drive s expandable size and the execution method The online execution mode means the logical drive is immediately ready for I Os during the re initialization process Expand Logical lt 1 Enclosure Stripe Size KB 1 status wame Write Policy ae fay alt Expandable Size 4 Execute Ine Step 3 Click on the APPLY button to complete the configuration process 3 16 Configuring Logical Drives Chapter 3 Creating and Configuring RAID Arrays 3 2 6 Restore an Accidentally Deleted LD If users accidentally delete a logical drive the result is catastrophic Since firmware rev 3 71 a Restore option is added to salvage an accidentally deleted LD As long as the original member drives are not removed or configured into other logical drives you can restore a deleted logical drive and bring it online If any of the original members is missing not including a previously failed member you will not be
34. a single mouse click If there is expandable drive space the capacity will be listed Configuring Logical Volumes 3 25 Embedded RAIDWatch User s Manual Logical Volume Expand Logical Yolume List ID Size MB Member Count 71284010 1000 2 ID 71284010 Size MB 1000 Write Policy Default LDID RADLy Size MB Member CDE36E4 RAID 6 1500 31528EA7 RAID G 1000 Expandable Size 500 Step 3 Click the APPLY button to complete the configuration process The capacity acquired will become an additional partition If the logical volume is composed of only one physical volume the added capacity will become partition 1 P1 in the partition table 3 5 Host LUN LUN Mapping The Host LUN category allows you to access all functionalities related to the associations between logical arrays and host ID LUNs This category contains four sub menus List Delete Create LUN and Create WWN Name 3 5 1 List Delete This screen displays the associations between logical arrays and host ID LUNs You may also delete an existing host mapping entry from this screen 3 26 Host LUN LUN Mapping Chapter 3 Creating and Configuring RAID Arrays Table 3 4 LUN Mapping Entries Screen Legends Chi Phy No Host channel number SCSI ID Host IDs that the logical drive logical volume are associated with LUN No The LUN number under a host ID LD LV ID An ID randomly generated by firmware to be associated with this logical ar
35. administrator login has access rights to all configuration options wes NOTE Unless you configured a controller password separately on your RAID subsystem you do not need a password the first time you access the Embedded RAIDWatch t is recommended you configure both an Information password and a Configuration password when you finish configuring your RAID configurations Featured Highlights Chapter 1 Introduction 1 3 Conceptual Foundation In order to access the embedded RAIDWatch you must have a valid Ethernet connection to your RAID systems Ethernet port over a LAN or WAN Other concerns are listed below There is no need to install software modules to your management computer If the arrays are managed by dual redundant controllers in the event of single controller failure the manager interface can failover to a counterpart controller That is why it is better to assign a static IP to a RAID system s Ethernet port However you may have to unplug the LAN cable from the dead controller and connect it to the surviving controller You may also connect both RAID controllers Ethernet ports to the network The Ethernet port on the stand by controller will remain idle until its counterpart fails and it takes over the management of the whole system The RAID subsystem can be accessed from a remote station running a web browser The controller firmware has an embedded H
36. ajor subsystem components gt Real time display and notification of system events gt Click to Select Visual oriented operation gt Standard TCP IP connections to an Internet agent for full featured worldwide remote management over the network gt Communicates with the subsystems over a LAN out of band and the Internet via web TCP port 80 gt Severity levels and display sequences are configurable for event notification via Email SNMP Traps LAN Broadcast and Windows Notify Service RAIDWatch Overview Chapter 1 Introduction gt Provides password protection to guard against unauthorized modification of disk array configuration passwords are set for Information user and Configuration administrator login access gt OS independent compatible with most popular web browsers including MS IE Firefox Mozilla and Safari 1 2 Featured Highlights 1 2 1 Graphical User Interface GUI The Embedded RAIDWatch manager is designed for ease of use It uses symbolic icons to represent configuration levels physical and logical drives and enclosure components on the screen to identify the current configuration of a disk array system Pull down right click and pop up menus are used with all command options Represented in graphical icons each physical drive can be selected or de selected by a single mouse click during the process of array configuration This visual oriented approach simplifies the RAID configu
37. anagement program allows you to configure and monitor disk array subsystems from a local host or a remote station connected through a local area network LAN or the Internet This manual discusses how to install and use Embedded RAIDWatch to manage disk array systems incorporating Infortrend s Fibre to Fibre Fibre to SATA SAS SCSI to SATA SAS iSCSI to SATA and SAS to SAS subsystems Please note that the Embedded RAIDWatch does not support drive enclosures manufactured by other vendors In addition to the Embedded RAIDWatch you can also use the terminal session LCD panel or Java based SANWatch to manage the EonStor subsystems For more information about these programs see the documentation that came with your system User s Manual Structure and Chapter Overviews This User s Manual is divided into six 6 chapters Because the Embedded RAIDWatch is an alternative interface to firmware s configuration utility you may also refer to the firmware Operation Manual for more information on specific configuration details Chapter 1 Introduction Provides information about Embedded RAIDWatch including a product description features summary and highlights The basic connection concept of the Embedded RAIDWatch is defined in an individual section Chapter 2 Starting Up vii Embedded RAIDWatch User s Manual Teaches users how to open a management console using standard web browsers Some configuration methods are also includ
38. apter 6 Event Notification 6 2 Email Tnfortrena Information Quick Install Logical Drive Email Configuration Receiver List Logical Volume Host LUN Drives Channel Task Schedule Config Agent Age nt Email SNMP Receiver Email Broadcast MS Notify SNTP Sender Information Event Enable Disabled w Logout Port 2s Username ka e SMTP Sender Subject el Severity To enable Email notification you should have a valid Email address configured for the RAID subsystem With a valid address you should specify the associated Email configuration details such as SMTP server Email subject user name password and the severity level to specify what sort of events will be delivered via Email You may input more than one Receiver s Email in the column above ki y NOTE If you select the Notification severity level events of all levels Notification Warning Critical will be sent If you select the Critical severity level only the most critical events will be sent 6 3 Embedded RAIDWatch User s Manual 6 4 6 3 SNMP SNMP Configuration Receiver List DELETE Receiver IP SNMP Setting Enable Severity To enable SNMP Traps notification use the pull down menus at the lower part to enable and to specify the event severity level of the events to be sent Enter the IP address of the machines to be receiving notifications SNMP
39. arameters Disk Array Parameters Rebuild Priority Low E Write Verify on Normal Access Disable Write Yerify on LD Initialization Disable Write Yerify on LD Rebuild Disable gt Max Drive Response Timeout msec Disable AY Optimization Fewer Streaming 1 Rebuild Priority The Rebuild Priority determines how much of system resources is consumed for rebuilding a degraded array Higher priority enables faster rebuild while leaving less resource for normal I Os 2 Write Verify on Normal Access Errors may occur when a hard drive writes data To avoid write errors the controller can force hard drives to verify written data There are three selectable methods Verification on LD Initialization Writes Performs Verify after Write when initializing a logical drive Verification on LD Rebuild Writes Performs Verify after Write during the rebuild process Verification on LD Normal Drive Writes Performs Verify after Write during normal I Os Each method can be enabled or disabled individually Hard drives will perform Verify after Write according to the selected method 5 24 Disk Array Parameters Chapter 5 Configuration Parameters V IMPORTANT The verification on Normal Drive Writes method will affect the write performance of your RAID system 3 Max Drive Response Timeout msec This option prepares the array for applications featuring streaming data flow operations and co
40. aults that might occur in RAID arrays and physical drives 4 1 Logical Drive Maintenance 4 2 Manual Rebuild 4 3 Individual Disk Drive Maintenance 4 4 Task Schedule 4 1 Logical Drive Maintenance 4 1 1 Manual Media Scan IMPORTANT The Media Scan function here is a manually executed function For automatic hands free scans you can utilize the Task Schedule utility Media Scan helps locate errors on drives and avoid system faults if multiple instances of drive errors occur across disk drives To manually start a Media Scan please follow the steps below Step 1 Click on the Media Scan function link under the Logical Drive function group on the navigation panel Step 2 When the enclosure window displays select a logical drive by clicking its members A selected logical drive will be highlighted by light blue squares Logical Drive Maintenance 9 1 Embedded RAIDWatch User s Manual Infortrend Information Quick Install Logical Drive Set Delete Logical Drive Create Logical Drive Add Drive Migrate Expand Media Scan Regenerate Parity Rebuild Logical Volume Host LUN Drives Channel Task Schedule Config Agent Event Logout Copyright 2006 Infortrend Inc All rights reserved Step 3 Media Scan Enclosure ID S5B9834F RAID Level Size MB 750 Stripe Size KB 128 Status Good Name Default Write Policy Interation Count Continuous N
41. cating a test research environment or physically moving a configured array to start an application on another installation site Concerns amp Things to Know 1 Drive roaming is convenient for moving members of a logical drive However it is very important not to remove the wrong drives Removing the wrong drives can destroy data in adjacent logical drives When an LD is shutdown the status of its members changes to OFFLINED When an LD is shutdown and then its members removed there will not be an event such as Unexpected Select Timeout The Drive Removed event will prompt instead The status of the removed drives is MISSING instead of FAILED When all members of a shutdown LD are removed an All Member Drive Removed message will prompt Roaming is not allowed on an LD performing a cloning job When an LD is shutdown its associated LUN mapping and logical partition information is also disabled When restarted LUN mapping and partition information is also restored An Incomplete array LD with missing members will not be restarted Restart with a Fatally failed LD 8 1 Fatal failure such as using two wrong drives not the correct members in a RAID5 array during roaming can disable an LD When this happens there is no need to reset a system Once you insert the correct disk drives firmware will recognize their presence after scanning drive channels and the LD can be restarted
42. cccccccessseeeeeeeceeeeeeeeeeeeeeeeeeseaeeeees 3 32 302 Channel ope edan ae ieee 3 33 3 6 3 CSS A D AEE A E EEE AA 3 34 364 Ghannel GrOUP srpa ne eee tet eyes eo 3 36 3 6 5 MC S Multiple Connections per Session for iSCSI cceeeeeeeees 3 36 CHAPTER 4 RAID ARRAY amp DISK DRIVE MAINTENANCE 4 1 LOGICAL DRIVE MAINTENANCE 2 c0eceeeceecencceeccnsceeccucceeccuscnecceccesensccusenesensens 4 1 4 1 1 Manual WSC xs CA soos cette eco a a a 4 1 4 1 2 Regenerate Parity cccccccsssccccssseeecssseeesseeeeeeseeeeeseeeeessaneeesseeeeessaaes 4 3 4 1 3 Copy amp Replace 000 eee ccccccccceeeseeeeeeeeeeeaseeeeeeeeesssaaeaeeeeeeessseaaaeeeeees 4 5 42 MANUALIREBUIED a aea 4 6 4 3 INDIVIDUAL DISK DRIVE MAINTENANCE 0 ccecccecceeceecceeccuccneceuseeeeeuseneeeeeeusenes 4 7 4 3 1 SPEDE ieai a a a aa 4 7 4 3 2 Reserved Space 0 cccccecsscccceecceesesseeceeeeesseaeeeeeeeeeesseeeaeeeeeeeesaaaeeeeeess 4 9 4 3 3 Media Sea eee ee ee ee ee Ne EA 4 10 4 3 4 CONO eee er ee terior eee eee Eee A 4 10 4 3 5 DVEH errs sseee ete nates Boesch hate nate Geet ote ee ae 4 12 Asa TASK SCHEDULE vrne a a a a a a aa 4 13 4 4 1 Add Task Schedule sxscchn oe ccndecetcheeat oe cdecunas tenis catcheea tae diuinnes bere nceotetantacs 4 13 4 4 2 Task Schedule List Delete 0 cc ccc cccceccecceccecceeceeceeceecesceeeeeeaeeeeaees 4 14 CHAPTER 5 CONFIGURATION PARAMETERS Accessing the Configuration Function Group ccceeecceeeeeeeeee
43. cification sheet user s manual We provide special revisions for various application purposes Therefore DO NOT upgrade your firmware unless you fully understand what a firmware revision will do Revision History Rev 1 0 June 4 2006 Initial release Rev 1 1 June 9 2008 Added support for IPv6 and iSCSI redundant controller settings Added iSNS server address option Added description for iSCSI host channel group settings combining multiple target portals into a TCP session Added description for iSCSI redundant controller IP settings Modified iSCSI initiator settings including those for the CHAP authentication Rev 1 1a September 30 2008 Rev 1 2 Added additional information for IPv6 in Chapter 5 Added SNMP community access in Chapter 6 for use with array monitoring via MIB browser Added more description for Channel Group MCS Multiple Connections per Session in Chapter 3 Added description for Ethernet protocol selections in Chapter 5 Added description for Power Saving feature in Chapter 3 and Chapter 5 April 10 2009 Added iSCSI Trunking to Chapter 5 Added Logical Drive Roaming in Chapter 3 Added Undelete Logical Drive feature in Chapter 3 as a means to salvage an accidentally deleted LD Chapter 1 Introduction This chapter provides basic knowledge about the Embedded RAIDWatch management interface The following topics are discussed in this chapter 1 1 RAIDWatch Ove
44. closure window also appears in other configuration windows showing the logical relationship between the member drives of different logical configurations Drives belonging to the same logical drive will be displayed in the same color This allows you to easily identify members of different configurations To see an expansion enclosure single click on the JBOD tab on top of the enclosure graphic 1 2 3 Graphical Icons Icons Representing Disk Drives Drive in good condition Drive missing or failed Global or Dedicated Spare 40 Featured Highlights Chapter 1 Introduction Ly Enclosure Spare Any drive icon showing a color other than black represents a member of a logical drive or a dedicated spare Black is the default color of a new or used drive A used drive is a drive that had been used as a member of a logical drive mz An empty tray disk drive not installed is function normally is function normally is function nor mally is function normally is function normally is function normally is function normally is function normally is function normally is function normally o is function normally size MB is function normally 50 is function normally RAIDWatch automatically identifies the enclosure type and displays an exact replica of it in the panel view LED icons shown on the enclosure view correspond to the real LEDs on the subsystem s rear panel If an LED correspondin
45. completed and another event will prompt Users should configure switch settings and reboot iSCSI storage system again Requirements on system reset after making changes to trunk configuration a Create new trunk groups or change member ports b Change trunk group ID c Change IP address Reset as usual both iSCSI host ports and the 10 100BaseT mgmt port Trunking and iSCSI MC S Multiple Connections per Session 6 1 Configure port trunking before MC S configuration 6 2 If there are any configured MC S groups when creating IP trunking remove those MC S groups Trunk Group Chapter 5 Configuration Parameters iSCSI MC S by 2 IP addresses IP trunking cno cH IP trunking CHO 7 Link Aggregation according to IEEE 802 3 does not support the following Multipoint Aggregations The mechanisms specified in this clause do not support aggregations among more than two systems Dissimilar MACs Link Aggregation is supported only on links using the IEEE 802 3 MAC Gigabit Ethernet and FDDI are not supported in parallel but dissimilar PHYs such as copper and fiber are supported Half duplex operation Link Aggregation is supported only on point to point links with MACs operating in full duplex mode Operation across multiple data rates All links in a Link Aggregation Group operate at the same data rate e g 10 Mb s 100 Mb s or 1000 Mb s 8 Users cannot remove a masier trunk p
46. d 10 Drive Spindown Idle Delay sec Drive side Parameters Subsystem firmware stops supplying 12V power source to hard drives when hard drives have not received I Os for a period of time When enabled this feature helps reduce power consumption 5 21 Embedded RAIDWatch User s Manual 11 Power Saving Drive Side Parameters Drive Motor Spin Up Disable a Disk Access Delay Time sec 75 Drive IO Timeout sec 30 Maximum Tag Count 4 vi Auto Rebuild on Drive Swap sec 15 v Drive Predictable Failure Mode SMART Disabled al Auto Assign Global Spare Drive Disable Drive Delayed Write Enable vi Drive Spindown Idle Delay sec Disable v Power Saving Level 1 After 1 mins ve then Level 2 After 5 mins ha This feature supplements the disk spin down function and supports power saving on specific logical drives or un used disk disks with an idle state and the 2 stage power down settings Advantages see the power saving features below Applicable Disk Drives Logical drives and non member disks including spare drives and un used drives new or formatted drives The power saving policy set to an individual logical drive from the View and Edit Logical Drive menu has priority over the general Drive side Parameter setting Power saving Levels Table 5 3 Power Saving Features Level Power Saving Recovery Time ATA command SCSI command Ratio 30 to 45 seconds Standby NOTE HDD vend
47. d to run in a hands free cyclic mode saving you the configuration efforts and providing you the flexibility to scan the disk drives at the time when you application is least stressed by I O requests To add a task schedule follow the steps below Step 1 Single click to open the Task Schedule function group and select Add Task Schedule to open the configuration screen Infortrend information Quick Install Logical Drive Logical Volume Host LUN Drives Channel Task Schedule Task Schedule List Delete Add Task Schedule Config Agent Event Logout Copyright 2006 Infortrend Inc 4ll rights reserved Step 2 Add New Media Scan Task Schedule Enclosure No Yes z e he e a 2 hours v Execution on Controller Initialization Starting Time Period Destination Identifier Type Execute Media Scan on one destination at a time rather than concurrently Priority Setting a task schedule requires you to properly specify the following scanning rule parameters Execution on Controller Initialization This determines whether firmware immediately resumes a scheduled task after a controller reset Starting Time Manually input the time to start a scheduled task The input format is year month date hour minute Also Task Schedule 4 13 Embedded RAIDWatch User s Manual make sure you properly configure the RAID system RTC time in the Config gt Controll
48. e MB 1000 LD ID RADLy Size MB Member CDE36E4 RAID 6 500 _31528EA7 RAID G 500 Write Policy Default The PARTITION button brings out a partition table The configuration process for partitioning a logical volume is the same as that for partitioning a logical drive To partition a logical volume simply click on the icon and enter the capacity you prefer for the second partition Repeat the process to configure more partitions p TIPS When finished with partition setting use the GO BACK button to return to the previous screen instead of using the BACK button on your browser 3 24 Configuring Logical Volumes Chapter 3 Creating and Configuring RAID Arrays Logical Volume Partition Logical Volume List ID Size MB Member Count S 68645330 1000 ho ID 68645330 Size MB 1000 Write Policy Default DD RADLY Size MB Member CDE36E4 RAID 6 500 31528647 RAID 6 500 Index Offset Size MB Partition az PO 0 1000 GO BACK 3 4 1 Expand a Logical Volume gt TIPS 1 To expand a logical volume you must go back to release the unused space in its logical drive members 2 And because the logical drive members are striped together make sure you release the amount of capacity of your choice on every members Step 1 To expand a logical volume click on the Expand function link from the navigation panel Step 2 Select an existing volume by
49. e subsystem s Ethernet port works with You may need to consult your network administrator for an appropriate setting Select a check circle by a single mouse click and enter the preferred value in each field Click on the APPLY button to complete the process The RS 232 Port COM allows you to enable disable the terminal emulation function and to change the serial port Baud Rate to be consistent with a management PC s baud rate The 38400 default should work well in most conditions The Network Protocol section allows you to manually disable one or more of the network protocols for better control of network security Communications Including IP Settings Chapter 5 Configuration Parameters Infortrend for rie ere atch inertial Logic Coren Lupe See Hos LUN Dirias Chanm Task Scheie Condi Comrmaracsiion Gees Server Liat Conia Riba Paihesed Threshold Trigge hing Gigs Parmele Burnt pI wd BE in wa Chek Aurp Faria Ageni rte Serial port Loe RoI Port COM oreo ATAA rere EL Terminal Ermuladian il Rali Network protocol eotioans Matraork perce tec l iSCSI or 10 100Base magt port Communication apiy RESET Internet Protocol Version 6 IPv6 is supported since firmware revision 3 64h Since IPv6 comes with a more autonomous support for automatic addressing automatic network configuration is applied in most deployments An automatic local name resolution is a
50. ed here Chapter 3 Creating and Configuring RAID Arrays Discusses how to create logical configurations of disk drives host LUN mapping and how to fine tune the configurable options within these logical arrays Chapter 4 RAID Array amp Disk Drive Maintenance Describes how to execute the maintenance functions on logical arrays or individual disk drives These functions include Media Scan manual rebuild individual disk drive maintenance and the Task Schedule Chapter 5 Configuration Parameters Discusses how to fine tune the advanced configuration parameters including controller specific system level event triggered host side drive side parameters etc Chapter 6 Event Notification This chapter provides instructions on how to activate the event notification options as NOTE This manual is written based on a management console with an FC and iSCSIl host RAID system The associated configuration options may slightly differ when using an EonStor subsystem featuring different host or drive interfaces Usage Conventions Throughout this document the following terminology usage rules apply Controller always refers to the RAID controllers within a subsystem System or Subsystem refers to Infortrend EonStor 8 12 16 bay or 24 bay RAID subsystems RAIDWatch refers to the web based utility embedded in the system firmware that is invoked by a TCP session vill Embedded RAIDWa
51. end Inc All rights reserved Step 3 Step 4 Step 5 Step 6 Step 7 Channel Physical No fo Click on the Create LUN function link on the navigation panel to bring out the LUN mapping screen All configured logical assemblies LD LV will be listed on screen Select one by clicking it on the table list A selected logical assembly will be highlighted in a light blue color Create Lun Map Avaliable LDs L s ID RAID Lv Size MB Status LD 1a49D4E1 RAID amp 750 Good index Offset Size MB Select one of the logical partitions listed Select the host channel where the initiator ID LUN resides Select a host ID Host IDs are displayed as either the AlDs Slot A Ids or BIDs Slot B IDs Select a LUN number under initiator ID Click the APPLY button The mapped volume will be immediately available for host access NOTE Create more IDs if your configuration requires more host LUNs The default IDs may not be sufficient for complex configurations Refer to Channel Configuration for details Host LUN LUN Mapping Chapter 3 Creating and Configuring RAID Arrays 3 5 3 Create WWN Name This screen allows you to designate a nickname for a Fibre Channel HBA for ease of identification in a complex SAN environment Infortrend Information Quick Install Create WWN Name Logical Drive Logical Volume Host ID WWN HEX 210000E08B1EDSSF New Host LUN Name ListDelete
52. enger Transmits Started related to Windows Messenger If Ms Software Sh Manages this service is stopped Alerter 4 Net Logon Supports p Started messages will not be transmitted If this service is disabled any Sy NetMeeting Rem Enables an services that explicitly depend on Sa Network Connec Manages 0 Started it will fail to start Re Network DDE Provides n gt 4 p Vaa Extended Standard Microsoft Messenger Notification 6 7 Embedded RAIDWatch User s Manual Messenger Properties Local Computer Ea Ea General Log On Recovery Dependencies Service name Messenger Display name Messenger Description Transmits net send and Alerter service messages m boot between cents and servers This service is not z Path to executable c VWWIN DOW S Systemieeychost exe k netsvcs Startup type Automatic Semice status Started Start fou can specify the start parameters that apply when vou start the service from here Start parameters OF Cancel Apply Enable the Messenger service on the machines receiving the notification 6 7 SNTP SNTP Configuration SNTP IP List SNTP IP SNTP Setting Polling Period hr Set PollTime SNTP stands for Simple Network Time Protocol When enabled the RAID subsystem refers to an SNTP time server at the preset polling period Enter the IP of the time server and specify a polling p
53. er window Period Specify the time interval between two scanning instances Destination Identifier Specify Media Scan target s Options include 1 All logical drives NO Specific logical drive All members of all logical drives Q Spares Eligible drives all members of all logical drives spares and clone drives O1 Sequential Concurrent Media Scans Specify whether you allow two scanning instances to take place at the same time If set to Sequential one scanning instance can wait for the other to complete Priority This option determines how much of system resources will be allocated for Media Scan operation Step 3 Click the APPLY button when finished with the above settings 4 4 2 Task Schedule List Delete Infortrend Information Quick Install Logical Drive Task Schedule List Task Schedule List Logical Yolume ID Task Type Start Time Execution on Controller Initialization Period Description Host LUN O MediaScan FriJun211 11 002006 NO Execution Once delete Sequence Low LD 528F D490 Drives Channel Task Schedule Task Schedule List Delete Add Task Schedule Config Agent Event Logout Copyright 2006 Infortrend Inc All rights reserved This window provides a list of configured schedules and a Delete button at the end of each schedule entry The maximum number of schedules is 16 per subsystem 4 14 Task Schedule Chapter 5 Configuration Parameters This c
54. er countries SCO OpenServer and UnixWare are trademarks or registered trademarks of The Santa Cruz Operation Inc in the U S and other countries All other names brands products or services are trademarks or registered trademarks of their respective owners Embedded RAIDWatch User s Manual Table of Contents CONTACT INFORMATION eceeccecceccecceccescnecnecneceeceeceeceeseaseascuseuseuseusceseuscessesseeseeensenseeeees II RAIDWATCH AND SANWATCH COMPARISON CHART csccsssceeccuecneccuscneeeuseneeenseneseueenes III COPYRIGHT 2006 ss cvciisveniitscicdununvarvasdis eiwuvenedadmuvcuwuswdvuedeuexcudwsumdvacuenaussweussdvawswawadvasduunswee IV First Edition Published 2006 reca a a a EL a iv VS CUA AN SW raer a anceetorcre cee Seas ee eer ee Saree eae dammee aeneaeeeeiaateceoutienees IV OG 519 51 Gr Go ace et a ede Pe A ee iv TABLE OF CONTENTS re cus vawssouer acca duswuieus waves denexscuneuswoeusunuansdecovendeias V LISTOF TABLES aisn a a E a a a a aaea a NEE E VI TABLE OF FIGURES iasi a aa aa aa a ra A Ea a Saaai Vil USER S MANUAL OVERVIEW scsiisdiceecis eee ese ee dds VII USER S MANUAL STRUCTURE AND CHAPTER OVERVIEWS 0cceccscescescecceceecescusceceeensees VII USAGE GONVENTIONS a aai Vill SOFTWARE AND FIRMWARE UPDATES 2ccesceeeceeccneceeccneceeccnsceeccneceeccnseecenseeesenseeesenees IX FREVISION PIS TORY E A E E A E E E T E E A T E IX CHAPTER 1 INTRODUCTION 1 1 RAIDWATCH OVERVIEW ssasnsnnnnnnnnnnnnnnnnnnnnnnnnnnnn
55. eriod in the field below 6 8 SNTP Chapter 6 Event Notification 6 8 Event Log This event log window allows you to survey past events to delete events and to save events as a simple text file Event Log Event Log Index Date Time Severity Event Messages Clear 6094 2006 6 8 120 5 ID 1DE80547 NOTICE Media Scan of Slat21 ID 0 Completed A Clear Before 5094 5093 2006 6 8 12 0 4 H ID 1DE80547 NOTICE Media Scan of Slot18 ID 0 Completed A Clear Before 5093 5092 2006 6 8 12 0 4 ID 1DE80547 NOTICE Media Scan of Slott 7 ID 0 Completed A Clear Before 5092 5091 2006 6 8 12 0 4 ID 1DE80547 NOTICE Media Scan of Slot22 ID 0 Completed A Clear Before 5091 5090 2006 6 8 12 0 4 ID 1DE80547 NOTICE Media Scan of Slot14 ID 0 Completed A Clear Before 5090 5089 2006 6 8 12 0 4 D ID 1DE80547 NOTICE Media Scan of Slot13 ID 0 Completed A Clear Before 5089 5088 2006 6 8 12 0 0 ID 1DE80547 NOTICE Slot22 ID 0 Starting Media Scan A Clear Before 5088 5087 2006 6 8 12 0 0 ID 1DE80547 NOTICE Slot21 ID 0 Starting Media Scan A Clear Before 5087 5086 2006 6 8 12 0 0 ID 1DE80547 NOTICE Slot1 ID 0 Starting Media Scan A Clear Before 5086 5085 2006 6 8 12 0 0 D ID 1DE80547 NOTICE Slot17 ID 0 Starting Media Scan A Clear Before 5085 s PREVIOUS PAGE NEXT PAGE gt gt SAVE ALL EVENTS CLEAR ALL EVENTS Event Log 6 9
56. f cgi Google Gy eGo Bookmarks Bio blocked check 4 Autolink J AutoFill a Send to Infortrend Set Delete Logical Drive Information g Quick Install Enclosure Logical Drive Set Delete Logical Drive Create Logical Drive Add Drive Migrate Expand Media Scan Regenerate Parity Rebuild Copy amp Replace ID 20C28B4E Logical Volume RAID Level RAID 5 Host LUN Size MB 279516 Stripe Size KB 12g Status Good Channel Name Max Length 32 A Task Schedule Confi Write Policy Default M Agent Assignment Slot A z Event Logout Copyright 2006 Infortrend Inc All rights reserved Step 4 The Partition information will appear at the bottom of the screen Click on the Block Size option on the right to change it if this logical drive is not yet mapped to a host ID Google G 192 168 4 266 z o t amp i Bookmarksy Ga blocked P check 4 Autolink v Autori ap Send tov E 192 168 4 266 Infortrend Logical Drive Partition Information Quick Install f Enclosure Logical Drive Set Delete Logical Drive Create Logical Drive Add Drive Migrate Expand Media Scan Regenerate Parity Rebuild Copy amp Replace ID 20C28B4E Logical Volume RAID Level OS Host LUN Size MB 279516 Stripe Size KB 128 Status Good Name Task Schedule Write Policy Default cone index Offset Size Name Block Size Agent Partition PO 0 279516 NotSet 512 B
57. f the first octet to a value of 0 or 1 O indicates a locally administered identity while 1 indicates a globally unique IPv6 interface ID Com pany ID Node ID i AL LIL i r a Laf i j T J p Tth bit 00000000 11000000 00111111 replace Owith1 1 Figure 5 1 Converting 48 bit MAC Address into IPv6 Interface ID Infortrend supports a variety of IPv6 mechanisms including Neighbor Unreachability Detection stateful and _ stateless address autoconfiguraion ICMPv6 Aggregatable Global Unicast Address Neighbor Discovery etc The Prefix Length field The prefix length is part of the manual setting An IPv6 network is a contiguous group of IPv6 addresses The size of this field must be a power of 2 The Prefix Length designates the number of bits for the first 64 bits of the lov6 addresses which are identical for all hosts in a given network and are called the network s address prefix The architecture of IPv6 address is shown below 2001 0db8 3c4d 0015 0000 0000 1a2f 1a2b Site Subnet Interface Prefix ID ID Figure 5 2 Basic IPv6 Address Format Such consecutive bits in IPv6 addresses are written using the same notation previously developed for IPv4 Classless Inter Domain Routing CIDR CIDR notation designates a leading set of bits by appending the size in decimal of that bit block prefix to the address separated by a forward slash character e g 2001 0db8 1034 5678 90AB
58. g to a failed component is lit red as shown in the above screen move your mouse cursor to the red LED on the enclosure panel Let the cursor stay on the LED for one or two seconds and an enclosure status summary will be displayed Event Categories A warning message System faults An informational message Command processed message sent from the firmware Featured Highlights 1 5 Embedded RAIDWatch User s Manual 1 6 amp An Alert message Series errors that need immediate attention and corrective acts Components in front of each listed components or logical configurations ae Ce p E O ee e eee e pem ooo ee N i a D p E Featured Highlights Chapter 1 Introduction 1 2 4 Event Notification Infortrend Information Quick Install Logical Drive Email Configuration i Receiver List Logical Volume Host LUN Drives Channel Task Schedule Config Agent Agent Email SNMP Receiver Email Broadcast MS Motify SNTP Sender Information Event Enable Logout Port 25 Username a Password Ss SMTP a Sender Bo Subject Severity H Copyright 2006 Infortrend Inc All rights reserved RAIDWatch can notify system administrators of event occurrences and status changes in the RAID system Notifications can be sent via the Internet as email messages via a local network as a broadcast message SNMP traps or Windows Messenger functions To setup the event notification op
59. g to take effect If you configure ports O and 1 into trunk 1 and ports 2 and 3 into trunk 2 in the Channel menu you can see that the corresponding channels are automatically configured into MC S groups 5 3 Infortrend Information Quick install Logical Drive Logical Volume Host LUN Drives Channel Task Schedule Data Service Snapshot Config Communication ISNS Server List Controller System Password Threshold Trigger Host Side Parameters Drive Side Parameters Disk Array Parameters Agent Event Logout Sopyright 2006 Infortrend Inc All rights reserved ISNS Server List A16E G21304 ISNS Server IP Address ISNS Server IP Address List DELETE Add new ISNS Server IP Address gt This option is only available since firmware revision 3 64 for iSCSI RAID iSNS facilitates device discovery within your IP SAN Enter the IP address of your iSNS server 9 10 iSNS Server List Chapter 5 Configuration Parameters 5 4 Controller Parameters RAID controller s manage all aspects of a subsystem s operations and hence some generic settings such as the general caching mode is placed here The configurable options include Caching Parameters Write Back Cache Write back allows caching unfinished writes and distributing them to hard drives in a more efficient way One drawback is that if power outage occurs and there is no battery backup data loss might result Periodic Cache Flush Time
60. gn spare drives to a particular logical drive to serve as backup drives When a drive fails within the logical drive one of the spares will be automatically configured into the logical drive and data reconstruction onto it will immediately commence The following are guidelines for disk failure recovery when a spare drive is available If a spare drive exists in the same logical drive the controller will automatically mount the spare drive and start rebuilding data in the background Depending on system design it may be possible to remove a defective drive and replace it with a new drive without shutting down the system hot swapping All EonStor subsystems support drive hot swapping The replacement drive must then be assigned as a new spare drive 2 8 Operating without Spare Drives The following are guidelines for disk failure recovery when a spare drive is not available Depending on the design of the system it may be possible to remove a defective drive and replace it with a new drive without shutting down the system hot swapping All EonStor subsystems support drive hot swapping If the replacement drive is installed on the same channel and ID the original drive slot where the faulty drive was you can then proceed with data rebuilding If the replacement drive is installed on a different channel or ID different drive slot or the periodic drive scan function has been disabled you need to scan in the new drive firs
61. h threshold is set to a value lower than Infortrend s traditional Write back Flush threshold 3 The Synchronized Cache Communications between RAID controllers is disabled 9 26 Disk Array Parameters Agent Chapter 6 Event Notification This chapter describes the automatic event notification options and the event log window Information Quick Install Logical Drive Logical Volume Host LUN Drives Channel Task Schedule Config Agent Agent Email SNMP SNMP Community Broadcast MS Notify SNTP Event Logout 6 1 Agent 6 2 Email 6 3 SNMP 6 4 SNMP Community 6 5 LAN Broadcast 6 6 Microsoft Messenger Notification 6 7 SNTP 6 8 Event Log Accessing the Agent Function Group The Agent group provides access to various sub windows for configuring the event notification options To access the sub menus single click the Agent group icon and then click on the function links below to access each configuration window 3 1 Embedded RAIDWatch User s Manual 6 2 6 1 Agent The Agent refers to the RAID subsystem s Ethernet management port It is not recommended to change the port name here For a network managed through DHCP changing the port name may cause connection failure using the Java based SANWatch SSL stands for Secure Sockets Layer Handshake protocol These two agents are used for making connections with a SANWatch station Agent Configuration Agent Port SSL Port Agent Email Ch
62. hapter describes the more advanced configuration parameters concerning the operating details with host side drive side and subsystem configurations 5 1 Communications 5 2 Trunk Group 5 3 Controller Parameters 5 4 System Parameters 5 5 Password Setting 5 6 Threshold Parameters 5 7 Redundant Parameters 5 8 Trigger Parameters 5 9 Host side Parameters 5 10 Drive side Parameters 5 11 Disk Array Parameters Accessing the Configuration Function Group The Config group provides access to various sub windows for configuration parameters related to different aspects of system operation To access the sub menus single click the Config group icon and then click on the function links below configuration window Communications Including IP Settings to access each 3 1 Embedded RAIDWatch User s Manual 9 2 5 1 Eem The Config group provides access to various ee sub windows for configuration parameters Logical Drive Logical Volume related to different aspects of system operation Host LUN Drives Channel ila To access the sub menus single click the ote a Communication Config group icon and then click on the Controller r System function links below to access each Pan configuration window Redundant Trigger Host Side Parameters Drive Side Parameters Disk Array Parameters Agent Event Logout Communications Including IP Settings This window allows you to change the network protocol th
63. ider turning the synchronization function off Doing so can save you the extra workload on transferring cached writes between controllers However in addition to cached writes partner controllers also synchronize configuration data If synchronization is turned off and the Primary controller fails afterwards you risk losing the previous configurations 4 Adaptive Write Policy Firmware is capable of keeping track of and analyzing I O characteristics Large sequential I Os with fewer outstandings Redundant Parameters 5 15 Embedded RAIDWatch User s Manual 5 16 can be more rapidly distributed to hard drives using the write through mode That is because in a dual active controller configuration using the write back mode a considerable portion of system resources will be consumed by the act of synchronizing cached writes between controllers When set to enabled firmware will dynamically switch off the write back mode and disable synchronized cache when receiving large sequential I Os 5 9 Trigger Parameters This window provides options to be associated with the Event Triggered operation If any of the fault conditions has been selected and the fault does occur the Event Triggered mechanism disables write back caching and adopts a conservative write back mode All cached writes will also be flushed to reduce the chance of system down time Trigger C controller Failure M BBU Lower or Failure UPS AC Power Lost TT P
64. in disk array systems and to take advantage of the performance gains multiple disks can offer RAID comes with a redundancy feature that ensures fault tolerant uninterrupted disk storage operations In the event of a disk failure disk access will still continue normally with the failure transparent to the host system RAID has several levels and multi level configurations including RAID 10 30 50 and 60 RAID levels 1 3 and 5 are the most commonly used levels while the highest fault tolerance RAID level 6 are also available Appendix C RAID Levels gives information about these levels and the benefits of each Infortrend disk array controllers support hot swapping so that a failed drive can be replaced while the disk array system continues to function Spares can also be assigned so that as soon as a drive Logout Chapter 2 Starting Up fails the spare is automatically configured into the array and reconstruction will commence 2 6 Definition of Terms This section describes some of the disk array terms used in this documentation Definition of Terms Physical drives These are the actual drives installed into the enclosure drive slots These drives are displayed in the Enclosure View of different configuration windows Spare drives These are physical drives that serve as backups When a drive fails the spare automatically joins the array and data reconstruction commences immediately A Dedicated Spare appears in the
65. ineham Business Park Basingstoke Hampshire RG24 8WF UK Tel 44 1256 707 700 Fax 44 1256 707 889 sales eu infortrend com support eu infortrend com http esupport infortrend europe com http Awww infortrend com Germany Infortrend Deutschland GmbH Werner Eckert Str 8 81829 Munich Germany Tel 49 0 89 45 15 187 0 Fax 49 0 89 45 15187 65 sales de infortrend com support eu infortrend com http Awww infortrend com germany Embedded RAIDWatch User s Manual RAIDWatch and SANWatch Comparison Chart Listed below are the key differences between the Embedded RAIDWatch Browser based interface and Infortrend s Java based SANWatch The Embedded RAIDWatch provides the easiest way to access Infortrend s RAID storage without the need to install software components on a management computer Browser based Embedded Java based SANWatch RAIDWatch Out of band In band Out of band Management IE Mozilla Firebox Safari SANWatch program Tools Internet Browsers Networking Point to point Client Server method Configuration Sample k Management Computer Svent Tee k Hoat Center A 7 RAID Subsystem Network Manageability Single RAID Subsystem Single or Multiple RAID Subsystems Accessibility Local Remote Local Remote Event Email SNMP Broadcast MS Various methods via Messenger Direct attached we Notification Independent software module Centralized N A Yes event log and
66. ion Device Pat n Select pors for ihe new aggregation Security k bonitoring Selected Ports Destlocied Proms I tember orhe aggregation being crated __ Not a mambar of any aggregation Member of an existing aggregation or WLAN Summary Group I0 Type Member Poets 1 LACF Lidd Refer to the documentation that came with your Ethernet switches for instructions on trunk port configuration Make sure you have appropriate configurations both on your iSCSI system and Ethernet switches Otherwise networking failures will occur 5 Embedded RAIDWatch User s Manual 5 8 Supported Configurations Limitations Conditions and or limitation 1 Aggregation interfaces must be connected in the same network often the same Ethernet switch limiting the physical isolation of the multiple paths Trunking implementation is dependent on having aggregation capable devices and switches All ports can be trunked into a single IP or several IPs For example there are 4 GbE ports in iSCSI storage system and user can configure those 4 ports into a single IP or two IPs each by trunking two physical ports Trunked ports combinations can be 4 2 2 or 3 1 If a trunk configuration is not valid firmware will report a trunk failure event For example with 4 GbE ports into a trunk on an iSCSI storage system while the corresponding ports on GbE switch are not trunked If so the trunking configuration is not
67. load Upload Download FW File Name Browse C Download NYRAM File Name Browse Download F W BR BR File Name 0 T FW File Name l Browse C Upload NYRAM to Host Disk COC sun RILJDOARA r pe aaa a Sm Save NYRAM to Reserved Space Restore NVRAM from Reserved Space without Password Doctmro KRILJDARA Restore NYRAM from Reserved Space include Password Export Configuration Data as Text File Export Configuration Data as XML File Export Host Lun List as XML File Controller 1 Mute Beeper When the onboard alarm is sounded you can use the mute beeper button to silence the current event When the next critical event occurs the beeper will still be sounded 2 Shutdown and Reset the Controller This prepares the subsystem to be restarted Cached contents will be flushed to hard disks 3 Reset the Controller Resets the controller Download Upload 1 Download FW File Name You may download the latest firmware from Infortrend s service sites or that acquired from your local vendor Use the Browse button to locate the firmware BIN file 5 12 System Parameters Chapter 5 Configuration Parameters A WARNING Infortrend provides various updates of firmware which may serve particular purposes The firmware version shipped with your subsystems provides all necessary functionalities listed in specifications sheet Unless you fully understand what a firmware
68. mp Replace RAID Level RAID 6 Restore amp Undelete Size MB 279004 ER Stripe Size KB 128 ogi raved Status Shutdown Host LUN Name Max Length 32 Drives _ i Channel Write Policy Defaul Task Schedule Assignment Slot 4 Config Power Saving Level 1 Disable then Level 2 Disable Agent Event Logan DELETE RESTART RESET Step 11 Select Yes on the confirm box After a short while an event message will prompt indicating the LD has turned online Step 12 Create LUN mapping for this logical drive to put it to use Configuring Logical Drives 3 21 Embedded RAIDWatch User s Manual 3 3 Creating a Logical Volume oe Mi ci WP NOTE The use of Logical Volumes is an option It is not a must to configure logical volumes The following steps will explain how to create a logical volume A logical volume is a logical assembly of logical drives Step 1 Locate and open the Create Logical Volume link from the navigation panel Information Quick Install Logical Drive Logical Volume Set Delete Logical Volume Create Logical Volume Expand Host LUN Drives Channel Task Schedule Config Agent Event Logout Copyright 2006 Infortrend Inc All rights reserved Step 2 The Create Logical Volume screen should prompt Step 3 All configured logical drives will be listed for selection Single click on a logical drive to select it A selected logical drive will be highlighted by a light blue
69. n window and the Information window below The Event Log window only appears at the Information screen which is the default display of the management session p TIPS 1 The Embedded RAIDWatch is visual oriented When a mouse pointer is placed over a clickable option the cursors appearance changes For example your mouse pointer changes from AY into H to indicate a clickable option An additional pointer Ma displays in front of a functional shortcut on the navigation menu tree When performing some configuration tasks as shown in the diagram below users are required to designate the configuration task e g by selecting a check circle as shown in Step 1 A spare drive to be deleted should then be selected by a mouse click When selected the spare drive will be highlighted by a light blue square The deletion process can then be completed by a mouse click on the APPLY buiton 2 5 Embedded RAIDWatch User s Manual 2 6 2 4 2 5 Enclosure Spare Disk Step i an Logout To end a management session you can either close the browser or use the Logout button on the navigation tree If you use the logout button the management session will return to the User Login screen Background Information Redundant Arrays of Independent Disks RAID is a storage technology used to improve the processing capability of storage systems This technology is designed to provide reliability i e fault tolerance
70. nfiguration changes to channel IDs will only take effect after a controller reset Click OK to close the message Microsoft Internet Explorer Channel Configuration 3 35 Embedded RAIDWatch User s Manual 3 6 4 Channel Group 3 6 5 MC S Multiple Connections per Session for iSCSI With the EonStor iSCSI RAID S16E series running firmware rev 3 64 you can combine multiple iSCSI connections network portals into a single TCP session You may combine 2 or 4 host channels iSCSI host ports into a logical channel Doing so can increase the iSCSI throughput and save the effort of repeating LUN mapping processes on multiple channels The option is found on the list of iSCSI channels Channel List Channel List Phy tum Mod Group AD BID Def Sym Clock Cur Syn Chock Def Width CurWidcth Terminator SET 0 p Auto Link mol deiecied ISCI SCSI A BET 1 0 Auto k not detected SET 3 Muto k nol detected l l 26L J i Auto ink mot i j I SET 4 GHz iz BET GHz SET GHz 26L GHz SET Bi GHz SET j GHZ SET 0 R GHz SET 1 R GHz H TA T SET GHz H SET To combine host channels Step 1 Click on the group number A Channel Group window will appear Step 2 Select from the drop down list the number of a channel group you wish to join the channel in e g adding Channel 3 to Group 0 3 36 Channel Configuration Chapter 3 Creating and Configuring RAID Arrays Step 3 Click the ADD TO GROUP button Repeat the process if
71. nnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn nnna 1 2 1 1 1 Product DSSCM DON sisisi a e a 1 2 tele Feature Sumnar a a E a 1 2 1 2 FEATURED HIGHLIGHTS c2cccscceeceecceeccesceeccnsceeccnsceeceescuseecensceesenseeesenseeseuees 1 3 1 2 1 Graphical User Interface GUI cccccecccecssseeceeeceeseeeeeseeeseeeeeseeaeees 1 3 R22 SOV STSCI VOW meaa 1 4 R29 Graphical CONS sssrin ea 1 4 1 2 4 AIAN EII e2111 A DORER E A A E T A A T EN 1 7 1 2 5 Web based Remote Management ccccccccssseeeeeeeeeseseeesaeeeeeeeeeas 1 7 ACCESS Regule menl S wiairevetiieirtea inutile aero N S 1 8 1 2 6 FaASSWOrd Protetoras an a A 1 8 1 3 CONCEPTUAL FOUNDATION c0ccesceeccecceccnccescnscnscnecneceeceecescescnscnsenscuseeeeeeseeees 1 9 CHAPTER 2 STARTING UP 2 1 BEFORE YOU S FARM sanani a i a Pade saeecucu turd a a 2 2 2 2 STARTING A MANAGEMENT SESSION ccecescecceceecesceceeceecesceceecnscuseeeaseuseeensees 2 2 2 3 SCREEN ELEMENTS ooe a a a a i a aa 2 5 24 LOGOUT oma a a a a a a a a 2 6 2 5 BACKGROUND NFORMATION sssssssnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn nnmnnn mnnn 2 6 2 6 DEFINITION OF TERMS 1 c0cccscceeccecceecceccneccesceeccecceecceccescescousensccasensceuseneceesenes 2 7 2 7 OPERATING WITH SPARE DRIVES ccscceeceecceeccesceecceccnecceccneccesensceeceuseneceesenss 2 8 2 8 OPERATING WITHOUT SPARE DRIVES cscceccescescesceeceeceeceecceceecceeeuseuseeseeseesees 2 8 CHAPTER 3 CREATING AND CONFIGURING RAID ARRAYS 3 1 C
72. nstall function link on the navigation panel Infortrend Information Quick Install Logical Drive Quick Install Enclosure Logout Copyright 2006 Infortrend Inc All rights reserved Step 2 All disk drives installed in your enclosure will be automatically selected Select a RAID level you prefer Step 3 Click the APPLY button to proceed The logical drive will be created using default settings for stripe size write policy and all available capacity The logical drive will be automatically mapped to the first available host ID LUN Creating Logical Drives Chapter 3 Creating and Configuring RAID Arrays 3 1 2 Manual Configuration Creating a Logical Drive Step 1 Step 2 Step 3 Creating Logical Drives Left click on the Logical Drive function link in the navigation menu tree displayed on the left hand side of your RAIDWatch initial screen Infortrend infornmation Quick Inst Logical Drive Logical Volume Host LUN Drives Channel Task Schedule Config Agent Event Logout Copyright 2006 Infortrend Inc All rights reserved A sub menu should display showing the logical drive associated options Click Create Logical Drive to proceed Information Quick Install Migrate Expand Media Scan Regenerate Parity Rebuild Logical Volume Host LUN Drives Channel Task Schedule Config Agent Event Logout Select the member drives you wish
73. ntinuous reading such as Video Streaming In situations such as drive failure or the occurrence of bad blocks a read returned after several hundreds of milliseconds will be too long and cause choppy audio or dropped video frames The Maximum Response Time option provides a timeout value for processing read requests If timeout is reported on a specific member of an array firmware immediately retrieves data from the parity data and the striped blocks that reside on other members of the array In this way causes of delay can be eliminated 4 AV Optimization The AV optimization option applies to the emerging Audio Video or streaming data flow applications such as the VOD MOD NLE Non Linear Editing and multi streaming Fewer Steams for applications featuring sequential I Os and large block sizes e g Video Editing 1 The Maximum Drive Response Timeout will be automatically set to 160ms 2 The drive cache flush threshold is set to a value lower than Infortrend s traditional Write back Flush threshold 3 A minimum read ahead size is determined by the Stripe size 4 The Synchronized Cache Communications between RAID controllers is disabled Multiple Steams for applications featuring smaller I Os and more outstanding I Os e g Media Broadcasting 1 The Maximum Drive Response Timeout will be automatically set to 960ms Disk Array Parameters 5 25 Embedded RAIDWatch User s Manual 2 The Write back Flus
74. on screen should prompt Select from the pull down list whether you want to logon to configure the RAID subsystem Configuration or to observe the subsystem s operating state only Information If your subsystem has a preset password enter the password and then click on the LOGIN button to proceed User Login F y User Name Configuration v J Password a f A 2 d Copyright 2006 Infortrend Inc All rights reserved Infortrend Step 3 The Embedded RAIDWatch defaults to the Information screen This is the only page you can see if you logon as an Information user a CAUTION Some of the configuration data e g event log and event notification options are store on a segregated disk space named reserved space on subsystem disk drives If you end an Embedded RAIDWatch session without configuring a logical drive the reserved space will not be created from disk drives and your configuration data may be lost Starting a Management Session 2 3 Embedded RAIDWatch User s Manual 2 4 Infortrend Information Quick Install Logical Drive Logical Volume Host LUN Drives Channel Task Schedule Config Agent Event Logout Copyright 2006 Infortrend Inc All rights reserved p TIPS system view Enclosure Logical Drive Information ID RAID Lv Size MB Status Name 12DCFBB4 RAID 6 476 Good m Logical Volume Information ID Size MB E
75. ood Name Write Policy Default Enabled Overwrite Inconsistent Parity Enabled Generate Check Parity Error Event Select a logical drive by clicking its members A selected logical drive will be highlighted by light blue squares around the edges of its member drives Logical drive s information displays Logical Drive Maintenance 4 3 Embedded RAIDWatch User s Manual 4 4 Step 4 Step 5 Infortrend Information Quick Install Logical Drive SetDelete Logical Drive Create Logical Drive Add Drive Migrate Expand Media Scan Regenerate Parity Rebuild Logical Volume Host LUN Drives Channel Task Schedule Config Agent Event Logout Copyright 2006 Infortrend Inc All rights reserved Regenerate Parity Enclosure ID S5B9834F RAID Level RAID 6 Size MB 750 Stripe Size KB 128 Status Good Name Write Policy Default Enabled Overwrite Inconsistent Parity Generate Check Parity Error Event Enabled Two configurable options are available on this screen 1 Overwrite Inconsistent Parity Default is Enabled When inconsistencies are found these faults can be corrected by comparing recalculating data and parity from the other member drives of the array 2 Generate Check Parity Error Event Determines whether to report parity errors through event messages if errors should be found When done with parameter setting click
76. ormal Y Priority The logical drive s associated information displays and you may configure two of the scan operation parameters Iteration Count and Priority Iteration Count lets you select if Media Scan runs continuously on this logical drive or runs for only one time The Priority option determines how much of system resources is consumed when operating Media Scan Step 4 Click the APPLY button to proceed Media Scan will run in the background p TIPS A similar manual scan function can also be found under the Drives function group 4 2 Logical Drive Maintenance Chapter 4 RAID Array Maintenance 4 1 2 Regenerate Parity Disk drives abnormal behaviors such as write holes may sometimes cause inconsistent parity This function forces system firmware to re calculate and recover parity faults for a safer storage Step 1 Left click on the Regenerate Parity function link in the navigation menu tree displayed under the Logical Drive function group Information Quick Install Logical Drive SetiDelete Logical Drive Create Logical Drive Add Drive Migrate Expand Media Scan Regenerate Parity Rebuild Logical Volume Host LUN Drives Channel Task Schedule Config Agent Event Logout Copyright 2006 Infortrend Inc All rights reserved Step 2 Regenerate Parity Enclosure ID 35B9834F RAID Level RAID 6 Size MB 750 Stripe Size KB 128 Status G
77. ors may have different definitions for the idle state Most vendors ramp load or park the hard disk actuator arm while not all vendors reduce the rotation speed 1 Hard drives can be configured to enter the Level 1 idle state for a configurable period of time before entering the Level 2 spin down state 2 Four power saving modes are available 2 1 Disable 2 2 Level 1 only 2 3 Level 1 and then Level 2 2 4 Level 2 only Level 2 is equivalent to legacy spin down 3 The Factory defaults is Disabled for all drives The default for logical drives is also Disabled 4 The preset waiting period before entering the power saving state 4 1 Level 1 5 minutes 5 22 Drive side Parameters Chapter 5 Configuration Parameters 4 2 Level 2 10 minutes 10 minutes from being in the level 1 5 Ifa logical drive is physically relocated to another enclosure drive roaming all related power saving feature is cancelled Limitation Firmware revision 3 64P_ amp above Applicable Hardware 1 All EonStor series running the compatible firmware version 2 The supported drive types are SATA and SAS especially 7200RPM models Models are listed in AVL document Approved Vendor List separately NOTE The legacy Spin down configuration will remain unchanged when a system firmware is upgraded to rev 3 64P from the previous revision Drive side Parameters 5 23 Embedded RAIDWatch User s Manual 5 12 Disk Array P
78. ort from a trunk configuration for example CHO of a trunk group consisting of channels 0 1 2 and 3 The first port having a smallest index number within a trunk group is considered a master port To break master port from the trunk group you can delete the whole trunk group Configuration Procedure There are channels that CANNOT be selected 1 Channels that have LUN mapping on them 2 Channels that are already trunked 3 Channels that are already included in MC S groups The Trunk Group window is accessed through Config gt Trunk Group Follow the onscreen description to include host ports into trunk groups Note that error messages will appear if the corresponding Ethernet ports on switch have not been configured into coordinated trunked ports Trunking is also Known to the manufacturers of network devices as Link Aggregation Trunk Group 9 9 Embedded RAIDWatch User s Manual Infortrend information Quick Install Logical Drive Trunk Group List Member Chi Logical Volume f 0 P 3 Host LUN Drives Channel Task Schedule Config Communication Trunk Group ISNS Server List Controller System Password Threshold Redundant Trigger Host Side Parameters Drive Side Parameters Pi A a a 12E R11324 10 10 10 10 IPv4 IPv6 Disable Add Delete Delete Add Member Remove Member Remove Create New Trunk Group When done with trunk group configuration reset your iSCSI system for trunk settin
79. ost channel ID LUNs and put to use will be destroyed during the partitioning process Before partitioning a logical drive in use move or backup your data Partitioning a logical drive is not a must for building a RAID array configuration However partitioning can help you re arrange a large storage volume Each logical partition appears to the host as an individual storage volume To partition a logical drive please follow the configuration steps below Step 1 Click on the Logical Drive function link on the navigation panel Infortrend z A Logical Drive Partition 2 Duick instali Logical Drive Enclosure P SevDelete Logical Drive Create Logical Drive 7 3 Add Drive E gt ii Migrate 4 Expand Madia Scan Regenerate Parity Rebuild Logical Yohane Hasi LUN Dires Channel Task Schedule Size MB Config Stripe Size Keb ji 1 Agpent statis Ever Name Logout Wire Policy afault ridea Sine Partition P 1 1400 fe ID RAID Level Copynght 2006 Infortrend ne All nghts reserved Step 2 When the logical drive configuration screen appears select a configured logical drive by a single mouse Click Configuring Logical Drives gt 3n Embedded RAIDWatch User s Manual 3 12 Step 3 Step 4 Partition Step 5 Click on the Partition button at the bottom of the screen The Partition information will appear as the bottom line of the logical dri
80. our configuration as an XML file 10 Export Host LUN List as XML File Saves your host LUN mapping information as an XML file System Parameters 5 13 Embedded RAIDWatch User s Manual To make use of these functions click to select the associated check circle select an appropriate option file location and then click the APPLY button to finish the process 5 6 Password Setting 9 7 5 14 Password User information Old Password 0 Mew Password Confirm Mew Password Two different passwords can be bundled with two access levels Configuration and Information Login using the Information password can only access the Information window Changing a previously saved password requires you to provide the password in the Old Password field Threshold Parameters Infortrend s RAID subsystems come with preset thresholds for temperature sensors and input voltages In rare occasions should these default values be modified e g to synchronize the subsystem thresholds with other severs devices at the same installation site ThresHold ThresHold Device Name Current Value Min Value Status Max Value CPU Temp Sensor TIG 7 2c Temp within safe range 0 20 disable 50 100 disable Board1 Temp Sensor 58C ec Temp within safe range 0 20 disable 50 100 disable 3 3 Value 3 288 V SDR Voltage within acceptable range 2 006 3 002 disable 5 Value 5 099 Y 4 005 Yoltage within acce
81. ower Supply Failure L Fan Failure 7 Temperature Exceeds Threshold APPLY RESET Trigger Parameters Chapter 5 Configuration Parameters 5 10 Host side Parameters Infortrend information Quick Install Logical Drive Logical Volume Host LUN Drives Channel Task Schedule Data Service Snapshot Config Communication ISNS Server List Controller System Password Threshold Trigger Host Side Parameters Drive Side Parameters Disk Array Parameters Agent Event Logout Host side Parameters Host Side Parameters Maximum Queued I O Count Luns per Host SCSI ID Max Number of Concurrent Host LUN Connection Number of Tags Reserved for each Host LUN Connection Cylinder Head Sector Login Authentication with CHAP Jumbo Frames Peripheral Device Type Parameters Peripheral Device Type Peripheral Device Qualifier Device Supports Removable Media LUN Applicability Maximum Queued I O Count Determines the maximum number of queued I O count the controller can receive from the host LUNs per Host SCSI ID Determines how many LUNs may co exist under one SCSI Fibre channel ID The available number of host IDs and LUNs is also determined by the size of cache memory that comes with your RAID subsystem Max Number of Concurrent Host LUN Connection The configuration option adjusts the internal resources for use with a number of concurrent host to ID LUN nexus Number of Tags Reserved for each
82. prnght 2006 Infortrend Ine ii fa arty ParTimion _ DELETE RESET Step 2 Logical Drive s information will display including a unique ID the RAID level it is composed of stripe size and its operating status Enter or select the following parameters for the logical drive Name Max Length 32 characters Key in a name for the logical drive if your configuration contains numerous logical drives Write Policy The caching mode specific to this logical drive can be changed after you created it Assignment This option allows you to re assign a logical drive to a different RAID controller and hence relocate the workload If mapped to a host LUN you need to disassociate the host LUN first Default is the Slot A controller which is normally the Primary controller managing the RAID subsystem In a Subsystem powered by dual redundant RAID controllers you can distribute the workload to the Secondary Slot B controller Step 3 At the bottom of the screen two additional buttons are available Partition the partitioning procedure will be discussed later in this chapter 3 10 Configuring Logical Drives Chapter 3 Creating and Configuring RAID Arrays Reset This button allows you to cancel the act you previously exerted on the configuration screen e g clicking on the wrong logical drive 3 2 1 Partitioning a Logical Drive WARNING All data stored on a configured logical drive one that associated with h
83. ptable range 4 4 008 disable 12 Value 12 026 Y voltage within acceptable range 9 006 11 005 disable 12 005 14 004 disable Password Setting Chapter 5 Configuration Parameters 5 8 Redundant Parameters Redundant Configuration Redundant Controller Communication Channel SATA Secondary Controller RS 232 Terminal Periodic Cache Flush Time Adaptive Write Policy APPLY RESET This window provides access to the following options 1 Redundant Controller Communication Channel This is a view only item in subsystems that come with preset channels for synchronized cache communications between RAID controllers For Fibre to Fibre RAID controller heads this becomes a configurable option You may assign specific routes for communications traffic such as dedicated RCC and drive RCC 2 Secondary Controller RS 232 Terminal When set to enabled you can connect a serial cable to the Secondary controller s serial port Note that you can only monitor the working status of the Secondary controller and cannot make changes to system configuration through the Secondary controller 3 Synchronization on Write through If a dual controller subsystem is optimized by write back caching writes cached in separate RAID controllers will be constantly synchronized Each RAID controller will keep an exact replica of its counterparts cached writes If your subsystem operates in write through mode you may cons
84. ration or maintenance processes The program also displays the current status of various disk drives or enclosure components by changing the color of their respective LED icons With an easy to use interface complicated disk array operations such as logical drive and logical volume creation drive partitioning and RAID volume mapping to host channel ID LUNs can be completed with only a few mouse clicks Featured Highlights 1 3 Embedded RAIDWatch User s Manual 1 2 2 System View infor malinn Quick nsimi Laical Drim Logical Volo Hosi LUN Dirias hannel Taek Sheek Contig Ajant herd Lieut system view Enclosure T Logical Drive information ih AID Ly Sire Pit FME Hamo E 120CrEBS RAID 6 476 ood Logical Volume farmat ian in Sira MEE e3 PTL EFD 476 3 Lun Map information Chil Pty Ha Limi Ailter LOW Partition Sint ME Bao ALG2 6 E Lv 1785878 The enclosure window shown in Error Reference source not found provides real time reporting of the status of enclosure components including components that can be accessed through the front or the rear side of an enclosure When a drive fails the system highlights the corresponding LED icon of the failed drive by changing its display color When you remove a drive its icon is removed from the enclosure window This feature is particularly useful in cases when a drive fails and you need to identify its exact location for subsequent replacement The en
85. ray Partition ID Partition ID specifies which partition of the logical drive logical volume is associated with the host ID LUN If the array is not partitioned all volume will be displayed as Partition 0 Partition Size Size of this mapped partition MB RAID Level RAID level this logical drive is composed of Host ID WWN HBA specific WWPN port name Nickname assigned to this NIC port e g RD area Delete A function to remove the current host LUN association This table includes all text commands that appear in different LUN mapping windows Quick Install Logical Drive Host LUN List LUNs ChiPhyNo SCSIID LUN No LDLY ID Partition ID Partition Size MB RAID Level DELETE Hast LUN 2 0 A102 4 LD 708138E7 0 2000 RAID 6 Delete ListDelete Create LUN Create AWAN Name Logical Volume Drives WWN Names Host ID WN Names DELETE Channel Task Schedule Config Agent Event Logout Copyright 2006 Infortrend Inc All rights reserved Host LUN LUN Mapping 3 27 Embedded RAIDWatch User s Manual 3 28 3 5 2 Create LUN To associate a logical capacity usually the logical partitions under logical drive or logical volume with host ID LUNs follow these steps Step 1 Step 2 Infortrend Information Quick Install Logical Drive Logical Yolume Host LUN ListiDelete Create LUN Create WAN Name Drives Channel Task Schedule Config Agent Event Logout Copyright 2006 Infortr
86. re ID 1A49D4E1 RAID Level RAID 6 Size MB 750 Stripe Size KB 128 Status Good Online Initialization Name Max Length 32 Write Policy Default Siot A Assignment This LD is in online initialization APPLY PARTITION DELETE RESET lf your logical drive was set to be created using the offline mode the configurable options on this screen will not be immediately available There is a 4KB block size option that specifically applies for using a volume larger than 2TB in Windows XP Some database applications may not work with block sizes larger than 512 bytes Before you create a logical drive with 4 Kbytes block size verify that your applications can support the 4Kbytes block size WARNING The 4KB block size only applies to NEW RAID volumes Changing the block size of a RAID volume that has data within will destroy your data To change the block size you need a RAID system running firmware revision 3 63 or above The procedure Step 1 Create a logical drive From the navigation tree select Logical Drive gt Set Delete Logical Drive Step 2 Select a logical drive by a single mouse click on the enclosure view Drives belonging to a logical drive will be Creating Logical Drives 3 Embedded RAIDWatch User s Manual displayed using the same tray color Step 3 Click on the Partition button Address http 192 168 4 202 cg bin NasCon
87. ripe Size KB 128 Status Drive Failed Rebuilding Name Write Policy Default This LD is in Rebuilding 31 mn nner nner 4 3 Individual Disk Drive Maintenance The maintenance functions for individual disk drives include 1 Spare Drive Configuration 2 Reserved Space 3 Media Scan 4 Clone 5 Utilities 4 3 1 Spare Drive Three types of spares are supported 1 Local Dedicated spares that participate in the rebuild of a specified logical drive 2 Global spares that participate in the rebuild of any logical drives 3 Enclosure spares that participate in the rebuild of the logical drives within the same enclosure Individual Disk Drive Maintenance 4 7 Embedded RAIDWatch User s Manual 4 8 Preconditions 1 The precondition for configuring a Dedicated spare is that a logical drive exists and a new used drive is available 2 The Enclosure Spare is identical to Global Spare for subsystems that are not connected with expansion enclosure s To configure a spare drive please follow the steps below Step 1 Click on the Drives function group on the navigation panel and then on the Spare Drive function link The window defaults to the screen with two selected check circles Assign Spare Drive Slot and Global Spare Drive Infortrend information Quick Install Logical Drive Logical Volume Host LUN Drives Spare Drive Reserve Space Media Scan Copy amp Replace Clone
88. rompted by the following message when you start the Embedded RAIDWatch session with a RAID system with no configured RAID arrays x j There is no Logical Drive do you want to quick install a Logical Drive Please think of the following before clicking OK m The Quick Installation function will include all disk drives in your Creating Logical Drives 5 1 Embedded RAIDWatch User s Manual 3 2 Logical Volume Host LUN Drives Channel Task Schedule Config Agent Event RAID subsystem into ONE SINGLE RAID ARRAY and map it to the first available host ID LUN A RAID array consisting of a large number of disk drives may not be economically efficient For example if a logical drive consists of 16 member drives and each of its members delivers a hardware performance of 60MB sec the logical drive will theoretically deliver an approximate 900MB s performance This number will easily exceed a 4G FC host channel s bandwidth Although you can get around the bandwidth limitation using multiple host links a huge logical drive takes a long time to rebuild in the event of single drive failure and is not easy to maintain If you have a small enclosure with a limited number of disk drives and a single host channel the Quick Installation function can facilitate the array configuration process To quickly configure using the Quick Install function please follow the steps below Step 1 Click on the Quick I
89. rsion O 1 Integer brMinor version 0 14 Integer brEngineerversion 0 1 Integer serialNum 0 7174441 Integer ctlrName O OctetString ctlrCfgModeFlags 0 267013 Integer privateLogoString O 416E G2130 4 OctetString privateLogoVend IFT OctetString privateLogoModel 0 416E G2130 4 OctetString ctlrUniqueID O OctetString cacheModeFlags 0 Integer cacheBlkSizeldx 0 Integer a IF T SNMP MIB iso org dod internet private e cacheTotal 0 48036 Integer cacheDirty 0 0 Integer infortrend maxRebPriorityId 3 Integer 1 3 6 1 4 1 1714 a minRebPriorityIdx 0 0 Integer defRebPriorityIdx 0 0 Integer curRebPriorityIdx 0 1 Integer writeVerifyModeF 0 Integer maxQueuedTOCnt OD Tintecer iso org dod internet private enterprises infortrend raid extInterface ctlrConfiguration hostSideParams maxQueued 2 46 03 PM mos A SNMP Community 6 5 Embedded RAIDWatch User s Manual S Advanced Address 192 168 199 231 Port 161 Read Community Write Community SNMP Version 1 Y Ok Cancel 6 5 LAN Broadcast Broadcast Configuration Receiver List DELETE Receiver IP Broadcast Setting Enable Disabled Severity gt To enable LAN Broadcast notification use the pull down menus at the lower part to enable and to specify the event severity level of the even
90. rview 1 2 Featured Highlights 1 3 Conceptual Foundation RAIDWatch Overview Embedded RAIDWatch User s Manual 1 2 1 1 RAIDWatch Overview Product Description Infortrend s innovative RAID manager Embedded RAIDWatch is an HTML based program specifically designed for use in managing Infortrend s RAID systems The Embedded RAIDWatch resides in subsystem firmware and is invoked by HTML through an HTTP session by a local remote browser RAIDWatch provides a user friendly interface that graphically represents disk array elements and simplifies the normally complicated process of array configuration RAIDWatch also provides real time reporting on the status of the entire array thus making the task of monitoring disk arrays virtually effortless RAIDWatch complements the on board console interface found on Infortrend s RAID controllers and a line of host based text mode RAID Managers that provide the same functionality but with greater ease of use The following sections describe the outstanding features of RAIDWatch and introduce its conceptual framework 1 1 2 Feature Summary The list below summarizes the Embedded RAIDWatch features gt Easy access system IP on web browser s URL field without the need to install software components gt Supports all firmware configuration options including RAID configuration Migration Expansion Scheduled Tasks etc gt Real time display of the operating status of m
91. s gt Communication Parameters gt TCP IP If your management port on an EonStor storage system is assigned an IPv6 address Under a Windows environment open a hosts etc file under Windows system32 drivers etc using the notepad editor Enter the IP address of the storage system you wish to configure a space and a nickname for that system E hosts Notepad Fle Edit Format View Help Copyright c 1993 1999 Microsoft Corp This is a sample HOSTS file used by Microsoft TCP IP for windows This file contains the mappings of IP addresses to host names Each entry should be kept on an individual line The IP address should be placed in the first column followed by the corresponding host name be The IP address and the host name should separated by at least one Additionally comments such as these may be inserted on individual t Tines or following the machine name denoted by a symbol 1027 544 94 97 rhine acme com source server 38 25 63 10 acme com x client host 127 0 0 1 localhost FESO ALB2 C3D4 E5F6 4321 nickname You may then key in the nickname on your browser s URL field to access the Embedded RAIDWatch manager Before You Start Step 2 Chapter 2 Starting Up Another option of using the Embedded RAIDWatch via an IPv6 address is using IE7 browser and use square brackets and to enclose an IPv6 address on the URL field The log
92. seeeeeeeeeeeaeeeeeeess 5 1 5 1 COMMUNICATIONS INCLUDING IP SETTINGS sssceecccsssseeeecensseeeeeesnseeseees 5 2 52 TRUNK GROUP coenen a el aioe ata aide 5 6 5 9 WSNS SERVER L1G Vccceetes cate wae cceecaws esis aa a 5 10 5 4 CONTROLLER PARAMETERS o cceccesceecceeccecceeccusceeccnccnscneccuseeeccuseesceusenseceseneees 5 11 5 5 SYSTEM PARAMETERS ceed cccectcesuccicnderaceiccieieeetcckncaeeedeiceeccteadeh wo nnmnnn 5 12 5 6 PASSWORD SETTING saccecteccecicescecielriceiceiect cadence ete 5 14 5 7 THRESHOLD PARAMETERS iiseicciwisctviuracalanioudses duaicdseudvtieslantasi ies ieriedideascisatacts 5 14 5 8 REDUNDANT PARAMETERS 2 cesceeeceeccecceeccnsceecceccnsceecceseneccuseneseusensecuseesens 5 15 5 9 TRIGGER PARAMETERS 2icciccccccsvcceteelicascucstuirtece uiebentceucavastuiebadeceseauesecewtawied 5 16 5 10 HOST SIDE PARAMETERS ccescecceceecuscecceceecuscueaueuseeeeseuseueeeeeseuseuseeeuseusensunes 5 17 5 11 DRIVE SIDE PARAMETERS cscceecceeceeccncceeccusceceeccesceecceseneceuseneccuseneseneeesens 5 19 5 12 DISK ARRAY PARAMETERS 1 cesceeeceeccncceeccnsceecceccescnsccuseneccuseneccusensecnsensens 5 24 CHAPTER 6 EVENT NOTIFICATION Accessing the Agent Function Group ccccceeecceceeeeeeeeeeeceeeeeeceeseeeeesaeeeesaees 6 1 Gil AGENT aon a a a a rA 6 2 02 EMAL cn e cusme dowauiiawarlacudadeeceueaweateaelususde 6 2 63 SNMP eanna a a a aa a aa E EEA 6 3 64 SNMP COMMUNITY a r as a aa ara a eaa ea N aaa 6 4 6 9 LAN
93. t and then assign it aS a Spare drive of the logical drive which had a drive failure Data rebuilding will have to be manually initiated IMPORTANT Although the RAID system provides uninterrupted disk access even after a disk failure do not leave a failed drive unattended Without replacement the system will not survive a second physical drive failure on the same logical drive RAID3 and 5 A defective Operating with Spare Drives Chapter 2 Starting Up drive must be promptly replaced and data rebuilt AN CAUTION When performing hot swapping be sure to remove only the defective drive Removing the wrong drive will result in complete irrecoverable data loss RAID3 or RAID5 Use the Enclosure View window or Logical Drive Information window to locate exactly which physical drive has failed Operating without Spare Drives 2 9 Embedded RAIDWatch User s Manual This page is intentionally left blank 2 10 Operating without Spare Drives Chapter 3 Creating and Configuring RAID Arrays This chapter describes the basic operations for creating RAID arrays and the initial configuration settings from logical drive creation to host LUN mapping 3 1 Creating Logical Drives 3 2 Configuring Logical Drives 3 3 Creating a Logical Volume 3 4 Configuring Logical Volumes 3 5 Host LUN LUN Mapping 3 6 Channel Configuration 3 1 Creating Logical Drives 3 1 1 Quick Installation IMPORTANT You will be p
94. tch User s Manual Important information that users should be aware of is indicated with the following icons gt TIPS These messages inform the reader of configuration skills which may or may not be easily identified during the management console These messages should be read as directions or instructions to accelerate and minimize errors A lt NOTE These messages inform the reader of essential but non critical information These messages should be read carefully as any directions or instructions contained therein can help you avoid making mistakes A CAUTION Cautionary messages should also be heeded to help you reduce the chance of losing data or damaging the system IMPORTANT The Important messages emphasis on using RAIDWatch management software A WARNING Warnings appear where overlooked details may cause damage to the equipment or result in personal injury Warnings should be taken seriously Software and Firmware Updates Please contact your system vendor or visit Infortrend s FTP site ftp infortrend com tw for the latest software or firmware updates Problems that occur during the updating process may cause irrecoverable errors and system down time Always consult technical personnel before proceeding with any firmware upgrade wh gt NOTE Embedded RAIDWatch User s Manual The firmware version installed on your system should provide the complete functionalities listed in the spe
95. te Network Protocols Network protocol al Enable Telnet Embedded RAIDWatch HTTP Embedded RAIDWatch HTTPS SANMiatch Gut of band agent SANMatch GQut of band agent 55L SAMP DHCP PING If you prefer disabling some of the network interfaces select one or all protocols and change its status to enable or disable and then click the APPLY bution Communications Including IP Settings 9 5 Embedded RAIDWatch User s Manual 5 6 5 2 Trunk Group ISCSI host port trunking is implemented following IEEE standard 802 3 Configuration Concerns 1 The Trunk Group function is available since firmware revision 3 71 2 Use Limitations a Correspondence with Channel MC S group Because of the order in protocol layer implementation a 1 You cannot configure MC S grouped channels into trunks a 2 Yet you can configure trunked ports into MC S groups b Channel IDs If multiple host ports are trunked IDs will be available as if on one channel c IP Address Setting Trunked ports will have one IP address Trunked ports reside in the same subnet d LUN Mapping LUN mapping to a trunked group of ports is performed as if mapping to a single host port e Switch Setting The corresponding trunk setting on switch ports should also be configured and it is recommended to configure switch setting before changing system setting Sample pages of switch trunk port settings 3CO
96. tions please refer to Chapter 6 in this manual 1 2 5 Web based Remote Management The Embedded RAIDWatch supports local or remote management of Infortrend EonStor subsystems over a LAN WAN or the Internet using the TCP IP protocol Remote access requires VPN or corresponding firewall configuration Server Management Station _ ae pt iar LAN WAN _ 3 3 fa Fi Remote Deployments Local Deployment Figure 1 1 Web Access to Disk Arrays Featured Highlights 1 7 Embedded RAIDWatch User s Manual 1 8 1 2 6 There is no need to install any of the software components onto your management computer The management session is invoked by a browser connecting to the embedded http server in firmware Access Requirements 1 Microsoft Internet Explorer 6 0 or above 2 Mozilla 4 Firefox 5 Safari Password Protection RAIDWatch Manager comes with password protection to prevent unauthorized users from modifying the configuration of the RAID system With the password security feature you have the control over array settings knowing that the currently managed disk array is safe from unauthorized modifications because the correct password must be entered for each access level The RAIDWatch initial screen has a pull down menu that provides access through two different authorization levels Information An Information login can only access the first level Information Configuration The Configuration
97. to include in a logical configuration each by a single mouse click A selected drive will be highlighted by a light blue square 3 3 Embedded RAIDWatch User s Manual 3 4 Step 4 Create New Logical Drive RAID Level Stripe Size KB fice Write Policy Defaut Assignment siot a Initialization On Line Enter or select the following parameters for the logical drive 1 Drive Size MB The capacity of the smallest member will be automatically displayed If you do not want to use up the full capacity enter a drive capacity you prefer A number exceeding the listed capacity will be invalidated 2 RAID Level Select a RAID level for the logical drive configuration 3 Stripe Size KB Select a stripe size if you have a different host application preference in mind Listed below are the associations among RAID levels and stripe sizes Table 3 1 RAID Levels and Stripe Sizes RAID Level Stripe Size RAIDO 128KB Ras 16KB Raos 126KB NRAID 126KB Creating Logical Drives Chapter 3 Creating and Configuring RAID Arrays V IMPORTANT Some earlier EonStor models may not support RAID6 4 Write Policy Select a policy if you want a specific caching mode to stick around with the logical drive Selecting default will allow firmware to dynamically determine the caching mode of all logical drives V IMPORTANT Creating Logical Drives The Write back and Write through
98. ts to be sent Enter the IP address of the machines to be receiving notifications 6 6 LAN Broadcast Chapter 6 Event Notification 6 6 Microsoft Messenger Notification Windows Notify Configuration Receiver List DELETE Receiver IP Windows Notify Setting Enable Enabled Notification Severity To enable Microsoft Messenger notification use the pull down menus at the lower part to enable and to specify the severity level of the events to be sent Enter the IP address of the machines to be receiving notifications Note that the configuration settings associated with MS Messenger must also be enabled on your OS The configuration option can be found in Control Pane gt Administrative Tools gt Services and then open the Messenger properties window 4 5 22 Services File Action View Help s imi r B e l gt ai Services Local i Services Local Name Description Status Help and Support Enables He Started Stop the service SsHID Input Service Enables ge Started Restart the service Sa HTTP SSL This servic i Messenger 4 IMAPI CD Burnin Manages C S amp a Indexing Service Indexes co Description Sy IPSEC Services Manages I Started Transmits net send and Alerter Logical Disk Man Detects an Started service messages between clients 4 Logical Disk Man Configures and servers This service is not 36 Mess
99. ur hardware manual Chapter 7 in the iSCSI series firmware manuals or the EonStor Series Configuration Planning Guide Clustering Application Server iia CHO CH1 CHO CH1 CHO B113 CH1 B113 t CHO A114 CH1 A114 Figure 3 2 A Sample Mapping Scheme Host LUN LUN Mapping 3 31 Embedded RAIDWatch User s Manual 3 6 Channel Configuration 3 6 1 Viewing Channel Information Channel host amp drive information is accessed through a click on the Channel function link on the navigation panel A channel list displays as shown below Infortrend s RAID Subsystems come with preset IDs on drive channels and drive channel IDs cannot be changed This screen displays basic information about each of the host and drive channels and provides access to channel IDs and Sync Clock Speed adjustments Channel List Channel List PhyNum Mode AID BID DefSymClock CurSynClock Def Width CurWidth Terminator SET o Host 101 102 103 Auto 2 GHz Serial Serial NA SET 1 Host 101 4103 Auto 2 GHz Serial Serial NA SET 2 Drive Auto 1 5 GHz SATA SATA NA SET 3 Drive Auto 1 5 GHz SATA SATA NA SET 4 Drive Auto 1 5 GHz SATA SATA NA SET 5 Drive Auto SATA SATA NA SET 6 Drive Auto 1 5 GHz SATA SATA NA SET 7 Drive Auto 1 33 GHz SATA SATA NA SET 8 Drive Auto 1 33 GHz SATA SATA NA SET 9 Drive Auto SATA SATA NA SET 140 Drive Auto 1 5 GHz SATA SATA NA SET 44 Drive Auto 1 33 GHz SATA SATA NA SET 12 Drive Auto 1 33 GHz SAT
100. vailable with or without a local Domain Name Server DNS Select AUTO from the IPv6 pull down list a link local or router assigned address will be available after a system reset IPv6 addresses can be acquired through the following ways e A link local address is automatically configured by entering AUTO in the IPv6 address field With a point to point connection without router addresses will be generated using port MAC addresses starting with the fe80 bits Link locals are addresses within the same subnet e f addresses are automatically acquired the Subnet prefix length and the Route fields can be left blank e A DHCPV6 server if present in the network will be automatically queried for an IPv6 address e lf an IPv6 router is present you can Key in AUTO in the Route field and let a routers advertisement mechanism determine network addresses e You can also manually enter IPv6 addresses by selecting Static from the pull down list and then enter an IP You may generate Communications Including IP Settings 5 3 Embedded RAIDWatch User s Manual 5 4 the last 64 hexadecimal bits from the 48 bit MAC addresses of Ethernet ports in EUI 64 format and then use the combination of fe08 prefix and prefix length to signify a subnet A sample process is shown below 1 Insert FFFE between company ID and node ID as the fourth and fifth octets 16 bits 2 Set the Universal Local U L bit the 7 o
101. ve information An un partitioned volume appears as one physical volume Click on the mark to divide the physical partition You will be prompted for entering the size of the new partition Simply key in the size of the new partition Note that if you want to create more than two partitions carefully plan the volume capacity Explorer User Prompt x Script Prompt Please input the size of Partition 171 500MB Cancel 1500 Step 7 Each partition will have to be mapped or associated with to host ID LUNs ID LUN mapping will be discussed later When done the new partition will appear in the Partition list as shown below To add more partitions click on the associated icon to divide an existing partition ID 4E058DAC RAID Level RAID 6 Size MB 1500 Stripe Size KB 128 Status Good Name Write Policy Default Index Offset Size ma PO 0 750 HH Partition rr 750 mam HH 3 2 2 Delete a Partition To delete a partition click on the icon as shown above The capacity released from the deletion act will be automatically added to the preceding partition For example if P1 is deleted all its capacity will be added into PO Configuring Logical Drives Chapter 3 Creating and Configuring RAID Arrays 3 2 0 Add Drive The Add Drive function helps you to expand the capacity of an existing logical drive The precondition is you should have an unused disk drive
102. ves S M A R T function If a drive predicts a problem the controller will report the problem in an event log The controller will clone the drive if a Dedicated Global spare is available The drive with predicted errors will not be taken off line and the clone drive will still act as a standby drive lf the drive with predicted errors fails the clone drive will take over immediately If the problematic drive is still working and another drive in the same logical drive fails the clone drive will resume the role of a standby spare and start to rebuild the failed drive immediately This prevents a fatal drive error if yet another drive should fail Detect and Clone Replace The controller will enable all drives S M A R T function Ifa drive predicts a problem the controller will report the problem in the form of an event log The controller will then clone the problematic drive to a standby spare and take the problematic drive offline as soon as the cloning process is completed 8 Auto Assign Global Spare Drive The Auto Assign function automatically assigns any new drives that are not included in logical configurations as Global Spares 9 Drive Delayed Write When enabled firmware allows disk drives to utilize their built in buffer e g SATA drives firmware default is Enabled on subsystems equipped with single RAID controller On subsystems equipped with dual redundant RAID controllers the default is Disable
103. vice Support for Applicability Type Qualifier Removable Media Windows Oxd Connecte Either is LUN O s 2000 2003 okay d x86 and d okay SPARC Linux Oxd Connecte Either is LUN O s RedHat 8 9 d okay SuSE 8 9 Table 5 1 Peripheral Device Type Parameters Device Type _ Setting Direct accessDevice 0 Table 5 2 Peripheral Device Type Settings J 5 1 O w Processor Type LOO e O T Host side Parameters Chapter 5 Configuration Parameters 5 11 Drive side Parameters Disk Side Parameters Disk Access Delay Time sec Drive I O Timeout sec Maximum Tag Count Periodic Drive Check Timefsec Periodic SAF TE and SES Device Check Time sec Periodic Auto Detect Failure Drive Swap Check Time sec Drive Predictable Failure Mode SMART Auto Assign Global Spare Drive Drive Delayed Write Drive Spindown Idle Delay sec 1 Disk Access Delay Time sec This feature sets the delay time before firmware tries to access the hard drives after power on Default is 15 seconds 2 Drive I O Timeout sec The Drive I O Timeout is the time interval for firmware to wait for a drive to respond When the drive itself detects a media error while reading from the drive platter it usually retries the previous read or re calibrates the head When the drive encounters a bad block on the media it reassigns the bad block onto a spare block However it takes time to perform the above procedure The time
104. y the Target drive and will be taken offline Note that the location of member drives will be different after Copy and Replace Logical Drive Maintenance 4 5 Embedded RAIDWatch User s Manual 4 6 4 2 Manual Rebuild All Infortrend s arrays support hot spares Spare drives automatically participate a degraded logical drive and hence rebuild is automatically handled The manual Rebuild function applies in the following circumstances 1 When a member drive fails in a configuration without spare drives If there are no Dedicated Global or Enclosure Spare drives rebuild must be manually initiated 2 A replacement drive will not be recognized by firmware if there is no drive check algorithms e g period drive check time and before host I Os are distributed to the logical drive WARNING Manual rebuild requires that a failed drive is properly replaced by a replacement known to be good Make sure you do not replace the wrong drive Failing two members in a RAID1 3 5 logical drive can destroy all data stored on it Step 1 From the navigation panel click on the Rebuild link to inaugurate the Rebuild screen Step 2 Click on the APPLY button to start the rebuild process The rebuild progress will be indicated by a gauge bar and a percentage count Manual Rebuild Chapter 4 RAID Array Maintenance Rebuild Logical Drive Enclosure ID 21A0CF70 RAID Level RAID 6 Size MB 1000 St
105. you want to include more channels into a channel group Channel Group Current Group 3 Add To Group a RESET ADD TO GROUP GO BACK Channel Group is different from trunking You can not combine host ports on different RAID controllers into a channel group When combined into a channel group the channel IDs of the channels of the larger channel number will disappear For example when CHO and CH1 are combined into Group 0 only CHO IDs will be available Taking the dual controller S16E R1130 as an example when you group all 4 channels into Group O there are actually 8 ports into 2 groups The 4 host ports on controller A become one sub group and the other 4 on controller B another sub group These different groups on different controllers will not be shown on the Embedded RAIDWatch or other interfaces Instead the access through these A or B channel groups will be specified by the host IDs a logical drive is associated with Namely if a logical drive is associated with CHO BIDs it will be accessed through the sub group on controller B For more information please refer to Chapter 8 of the firmware configuration manual that is included in your product CD Channel Configuration 3 37 Embedded RAIDWatch User s Manual This page is intentionally left blank 3 38 Channel Configuration Chapter 4 RAID Array amp Disk Drive Maintenance This chapter describes the basic operations for correcting f
106. ytes Copyright 2006 Infortrend Inc GO BACK d All rights reserved Step 5 Select the 4 KBytes option from a drop down list Click APPLY to complete the process 3 8 Creating Logical Drives Chapter 3 Creating and Configuring RAID Arrays Logical Drive Partition Block Size Enclosure ID RAID Level Size MB 51E Stripe Size KB 12 Status 300d Name Write Policy t index offset Size Name Partition PO 279516 279516 Not Set Block Size Step 6 Reboot your application server A logical drive using the 4 KBytes block size can support a maximum capacity of 16TB as imposed by the LBA specifications of the Windows file system 3 2 Configuring Logical Drives lf for a reason you need to change the configurable options for a logical drive proceed with the following steps Step 1 Click on Logical Drive on the navigation panel and then on the Set Delete Logical Drive function link Click on a configured array to display the array parameters A configured array is easily identified by the different drive tray colors Configuring Logical Drives 3 9 Embedded RAIDWatch User s Manual Infortrend ae Set Delete Logical Drive 2 Quick instadl i a Enclosure Logical Drive SetDeiete Logical Drive Create Logical Brive pea an Logical Volurne ney Channel aj D Level Config i os KB Aem Status j Exar Wame Max i ength 3z Laon rite Poli Deam Co

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