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LSI Embedded MegaRAID Software User Guide

1. Number Hex aes Type Event Text 0x0010 16 Information Factory defaults restored 0x0011 17 Information Flash downloaded image corrupt 0x0012 18 Caution Flash erase error 0x0013 19 Caution Flash timeout during erase 0x0014 20 Caution Flash error 0x0015 21 Information Flashing image 96s 0x0016 22 Information Flash of new firmware image s complete 0x0017 23 Caution Flash programming error 0x0018 24 Caution Flash timeout during programming 0x0019 25 Caution Flash chip type unknown 0x001a 26 Caution Flash command set unknown 0x001b 27 Caution Flash verify failure 0x001c 28 Information Flush rate changed to 96d seconds 0x001d 29 Information Hibernate command received from host 0x001e 30 Information Event log cleared 0x001f 31 Information Event log wrapped 0x0020 32 Dead Multi bit ECC error ECAR x ELOG x s 0x0021 33 Warning Single bit ECC error ECAR x ELOG x s 0x0022 34 Dead Not enough controller memory 0x0023 35 Information Patrol Read complete 0x0024 36 Information Patrol Read paused 0x0025 37 Information Patrol Read Rate changed to d 0x0026 38 Information Patrol Read resumed 0x0027 39 Information Patrol Read started 0x0028 40 Information Rebuild rate changed to d 0x0029 41 Information Reconstruction rate changed to d 0x002a 42 Information Shutdown command received from host 0x002b 43 Information Test event 96s 0x002c 44 Information Time established as 96s 96d second
2. r Select Virtual Disks v Virtual Drive 0 VD 0 iv i 544 875 GB Optimal Initialization Type Fast Initialization Select All Deselect All Start Cancel Check the virtual drives to run the initialization on or click Select All to select all of the virtual drives Click Start You can monitor the progress of the group initialization See Section 8 8 Monitoring Rebuilds and Other Processes on page 108 for more information LSI Corporation 111 Embedded MegaRAID Software User Guide Chapter 9 Maintaining and Managing Storage Configurations March 2012 9 2 9 2 1 Running a Consistency Check Running a Consistency Check The Consistency Check operation verifies correctness of the data in virtual drives that use RAID levels 1 5 and 10 RAID 0 does not provide data redundancy For example in a system with parity checking consistency means computing the data on one drive and comparing the results to the contents of the parity drive You should run a consistency check on fault tolerant virtual drives periodically You must run the consistency check if you suspect that the virtual drive data might be corrupted Be sure to back up the data before running a consistency check if you think the data might be corrupted To run a consistency check first set the consistency check properties and then schedule the consistency check This section explains how to set the properties
3. 4 9 12 Display List of Physical Drives Use the command in Table 40 to display a list of the physical drives connected to the selected adapter s Table 40 Display List of Physical Drives Syntax MegaCLI PDList aN a0 1 aAll Description Displays information about all physical disk drives connected to the selected adapter s This includes information such as the drive type size and serial number 4 9 13 Download Firmware to the Physical Devices Use the command in Table 41 to download firmware to the physical devices connected to the selected adapter s Table 41 Download Firmware to the Physical Devices Syntax MegaDCLI PdFwDownload offline SataBridge PhysDrv E0 Sn EncdevId devId1 dev1Id2 f filename aN a0 1 2 aALL Description Flashes the firmware with the file specified at the command line The firmware files used to flash a physical device can be of any format The CLI utility assumes that you provide a valid firmware image and it flashes the same The physical device needs to do error checking m SataBridge Allows you to download the SATA bridge firmware in online mode m Physdrv E0 S0 Specifies the physical drive enclosure and the slots for the drives Flashes the firmware to only one physical drive EncdevId devId Specifies the enclosure device ID See Section 5 16 1 Display Enclosure Information for more enclosure information LSI Corpor
4. Number Hex peas Type Event Text 0x00d9 217 Information Self check diagnostics completed 0x00da 218 Information Foreign Configuration Detected 0x00db 219 Information Foreign Configuration Imported Ox00dc 220 Information Foreign Configuration Cleared 0x00dd 221 Warning NVRAM is corrupt reinitializing 0x00de 222 Warning NVRAM mismatch occurred Ox00df 223 Warning SAS wide port d lost link on PHY d 0x00e0 224 Information SAS wide port 96d restored link on PHY 96d 0x00e1 225 Warning SAS port 96d PHY 96d has exceeded the allowed error rate 0x00e2 226 Warning Bad block reassigned on 96s at lx to lx 0x00e3 227 Information Controller Hot Plug detected 0x00e4 228 Warning Enclosure 96s temperature sensor 96d differential detected 0x00e5 229 Information Disk test cannot start No qualifying disks found 0x00e6 230 Information Time duration provided by host is not sufficient for self check 0x00e7 231 Information Marked Missing for 96s on array 96d row 96d 0x00e8 232 Information Replaced Missing as 96s on array 96d row 96d 0x00e9 233 Information Enclosure 96s Temperature 96d returned to normal 0x00ea 234 Information Enclosure s Firmware download in progress 0x00eb 235 Warning Enclosure s Firmware download failed 0x00ec 236 Warning s is not a certified drive 0x00ed 237 Information Dirty cache data discarded by user 0x00ee 238 Information PDs missing from configuration at boot 0x00ef 239 Information VDs missing drives and will go offline at boot s
5. 2 2 5 Enabling RAID Mode during Red Hat Linux 5 Driver Installation This section documents how to load the RHEL5 operating system drivers so the drivers recognize RAID mode and support RAID 0 1 5 and 10 functionality On servers with on board AHCI based SATA controllers the controllers can be set to HBA mode or RAID mode using the system BIOS The system BIOS changes the PCI sub system IDs based on the selected mode The MegaRAID software RAID megasr driver can be set to RAID mode for the AHCI based SATA controllers and support RAID levels 0 1 5 and 10 The megasr driver considers all four PCI IDs to decide whether the driver supports the controller In Red Hat Enterprise Linux 5 RHEL 5 however the native AHCI driver Linux kernel looks only at the vendor ID and the device ID and ignores the subsystem IDs As a result RHEL 5 ignores the RAID mode and does not support RAID mode The RHEL 5 installation process loads the native AHCI driver even when the megasr DUD is present Also the process includes AHCI in the initrd during which a temporary file system is loaded into memory in the Linux kernel boot process Perform the following steps to load the RHEL5 operating system drivers so they recognize the RAID mode 1 Usethe noprobe option at the installation kernel boot prompt in addition to the dd option This step prevents AHCI from loading ahead of megasr allowing you to install RHEL 5 on the megasr virtual drive The followi
6. 4 2011 03 22 16 Successful log on to the server User administrator Client 169 254 109 128 Access Mode Full Client Time 2011 03 22 16 23 15 B 2011 03 22 Controler ID 0 VDisnowOPTIMAL VD 0 O OSOS 2 Information 2011 03 22 16 Controller ID O Image version 14 02 0222 2011 1 Information 2011 03 22 16 22 14 Controller ID O Firmware initialization started PCIID 0x8086 0x2822 0x1014 0x3a20 Displaying log from server z Sa emp Poo LSI Corporation 85 Embedded MegaRAID Software User Guide Chapter 7 Configuration March 2012 Creating a New Storage Configuration 2 Click Create Virtual Drive in the Actions section of the screen The dialog box for the configuration mode Simple or Advanced appears as shown in the following figure Figure 41 Virtual Drive Advanced Configuration Mode I efie LSI X This wizard will help you quickly create virtual drives Choose how to create the virtual drive C Simple Specify a limited number of settings and have the system pick drives for you This is the easiest way to create a virtual drive ose additional settings and customize virtual drive creation This option provides greater flexibility when creating virtual drives for your specific requirements 3 Click Advanced and then click Next The Create Drive Group Settings dialog box appears as shown in the following figure Figure 42 Create Drive Group Settings Dialog Box Crea
7. Mount the driver update diskette DUD using the following command mount dev fd0 mnt floppy Unzip the modules cgz file that is on the DUD to get driver images for different Red Hat operating systems mkdir p home megasr cd home megasr cp mnt floppy modules cgz gunizip S cgz modules cgz This action generates a new file named modules cpio ivd lt modules This action provides the following driver images lt kernel version gt lt kernel version gt smp lt kernel version gt BOOT megasr o Update the Megasr driver module for the required kernels using the following commands cd home megasr Ifthe lib modules lt kernel version gt update directory is present use the following command cp kernel version gt megasr o ko lib modules lt kernel version update megasr o ko Ifthe lib modules lt kernel version gt update directory is not present use the following command cp kernel version gt megasr o ko lib modules kernel version kernel drivers scsi megasr o ko Create a Megasr driver entry in the configuration file The Red Hat configuration file is etc modules conf If the Megasr entry is not present in etc modules conf add the following line alias scsi hostadapter megasr If the ahci SCSI driver entry located on the following paragraph is present in etc modules conf remove it It must be removed otherwise the ahci driver would take control of the RAID controller wit
8. The prompt asks whether you have a driver disk Use the arrow key to select Yes and then press Enter Select fdO to indicate you have a floppy diskette with the driver on it Insert the floppy diskette in the A drive and press Enter The installer locates and loads the driver for your device The following message appears Loading megasr driver The prompt at the next screen asks whether you have another driver Follow the Red Hat Linux installation procedure to complete the installation Before you reboot go to text console and follow these steps Press Ctrl Alt F2 goes to the text console Enter the command cat proc partitions to get the major and minor number of floppy drive Executemknod dev sd x b major minor Create a directory such as mkdir swr Mount the floppy drive to that directory with the mount dev sd x swrcommand Run the script replaceachi sh nn uem Reboot the system LSI Corporation 16 Embedded MegaRAID Software User Guide Chapter 2 Driver Installation March 2012 2 2 4 Linux Driver Installation Updating the Red Hat Linux Driver Generic Perform the following steps to update the Red Hat Linux driver or to install the Red Hat Linux driver in an existing system booted from a standard SATA drive or systems with the Embedded Software RAID stack 1 Boot the system with the Red Hat Linux Installation CD from the primary controller or disk The Red Hat introductory screen appears
9. f lt filename gt Clear aN a0 1 2 aALL Description The RAID driver maintains a volatile circular list of 100 events which is deleted at reboot The following command options are available m GetEventlogInfo Displays overall event information such as total number of events newest sequence number oldest sequence number shutdown sequence number reboot sequence number and clear sequence number Wm GetEvents Gets event log entry details The information shown consists of the total number of entries and the details of each error log entry Start entry specifies the initial event log entry when displaying the log GetSinceShutdown Displays all the events since last adapter shutdown GetSinceReboot Displays all the events since last adapter reboot IncludeDeleted Displays all events including deleted events GetLatest Displays the latest number of events if it exists The event data is written to the file in reverse order m Clear Clears the event log for the selected adapter s LSI Corporation 55 Embedded MegaRAID Software User Guide Chapter 4 MegaCLI Command Tool March 2012 Configuration Commands 4 7 Configuration Commands You can use the commands in this section to create storage configurations 4 7 1 Add RAID O RAID 1 or RAID 5 Configuration Use the command in Table 13 to add a RAID level 0 1 or 5 configuration to the existing configuration on the selected adapter For RA
10. Available only if AutoResume is enabled on the adapter Management Menu gt Objects gt Adapter gt AutoResume The rebuild is stopped and the CU stores the percentage of the rebuild already completed If AutoResume is enabled the rebuild resumes where it left off when you restart it instead of starting over from 0 percent Continue The rebuild continues normally Abort The rebuild is completely aborted and the disk drive remains in the FAIL state If you restart the rebuild it begins at 0 percent 3 10 Creating a Global Hotspare Drive The LSI Software RAID Configuration Utility enables you to create global hot spare drives to protect against data loss A hot spare is an unused drive that you can use to rebuild the data from a failed drive and re establish redundancy in case of a disk failure in a redundant RAID drive group RAID 1 RAID 5 or RAID 10 N NOTE Dedicated hot spare drives are not supported by the LSI Software RAID Configuration Utility NOTE When you select a drive to change into a global hot spare be sure it is the same type of drive as the N drives in the drive group that it will protect LSI Corporation Embedded MegaRAID Software User Guide Chapter 3 LSI Software RAID Configuration Utility March 2012 Creating a Global Hotspare Drive You can create a hotspare when you are configuring a new storage configuration as described in the previous sections To add a hotspare drive to an existing
11. Number Hex Mugen Type Event Text 0x00b1 177 Warning Enclosure s temperature sensor d below warning threshold 0x00b2 178 Caution Enclosure s temperature sensor d below error threshold 0x00b3 179 Warning Enclosure s temperature sensor d above warning threshold 0x00b4 180 Caution Enclosure s temperature sensor d above error threshold 0x00b5 181 Caution Enclosure s shutdown 0x00b6 182 Warning Enclosure s not supported too many enclosures connected to port 0x00b7 183 Caution Enclosure 96s firmware mismatch EMM 96d 0x00b8 184 Warning Enclosure s sensor d bad 0x00b9 185 Caution Enclosure s phy bad for slot d Ox00ba 186 Caution Enclosure s is unstable 0x00bb 187 Caution Enclosure s hardware error Ox00bc 188 Caution Enclosure s not responding 0x00bd 189 Information SAS SATA mixing not supported in enclosure s disabled 0x00be 190 Information Enclosure SES hotplug on s was detected but is not supported Ox00bf 191 Information Clustering enabled 0x00c0 192 Information Clustering disabled 0x00c1 193 Information PD too small to be used for auto rebuild on s 0x00c2 194 Information BBU enabled changing WT virtual disks to WB 0x00c3 195 Warning BBU disabled changing WB virtual disks to WT 0x00c4 196 Warning Bad block table on 96s is 80 full 0x00c5 197 Fatal Bad block table on 96s is full unable to log block lx 0x00c6 198 Information Consistency Check Aborted Due to Ownership Loss on s 0x00c7 199 Information Background Initialization
12. The backup configuration is loaded and the Alerts Notification Configuration screen closes LSI Corporation Embedded MegaRAID Software User Guide Chapter 8 Monitoring System Events and Storage Devices March 2012 Configuring Alert Notifications 8 2 9 Adding Email Addresses of Recipients of Alert Notifications The Email tab portion of the Alerts Notification Configuration screen shows the email addresses of recipients of the alert notifications MegaRAID Storage Manager sends alert notifications to those email addresses Use the screen to add or remove email addresses of recipients and to send test messages to recipients that you add To add email addresses of recipients of the alert notifications perform the following steps 1 Click the Email tab on the Event Notification Configuration screen The Email section of the screen appears as shown in the following figure Figure 58 Email Settings sik LSI X Alert Settings Mail Server a New recipient email address o oo Add Recipient email addresses root localhost Save Backup Load Backup OK Cancel Help 2 Enterthe email address you want to add in the New recipient email address field 3 Click Add The new email address appears in the Recipient email addresses field 8 2 10 Testing Email Addresses of Recipients of Alert Notifications Use the Email tab portion of the Alerts Notification Configuration screen to send test messages to
13. e ere ER pEPe He E REPE E UR ER RERE ER UP UE NER E ne Vu RR Fete E SE whi ERU cda 95 8 2 1 Setting Alert Delivery Methods sssssssssssssssessss eene hen heh hes he esee rea heh ehe ehe 96 8 2 2 Changing Alert Delivery Methods for Individual Events sss HH e meme 97 8 2 3 Changing the Severity Level for Individual Events 0 ccc eee ence een ence nen eee ee een cnet rhe hene 98 8 2 4 Multiple Events Displayed in a Single Pop Up Window cece e cece eee II HH He e en 99 8 2 5 Entering or Editing the Sender Email Address and SMTP Server 0c ce cece eee ete ence cence eee hehehe hee 99 8 2 6 Authenticating a Server s eroso eere x How aa ence an od eR IR eid e RI Re o e ER na Rae ed re EU NR Rr RD DOR DEL RI snare enue eS 100 8 2 7 Saving Backup Configurations 0 cece cece cen eee he heh he hs ehe e he he een 100 8 2 8 Loading Backup Configurations sass sese RE a seb pss REA RRRARRECRRESTRA RESET VERRE EROEESERTARARKERA RIAR RE E E EQRE 100 8 2 9 Adding Email Addresses of Recipients of Alert Notifications sssssessssssssssssese eee heme een 101 8 2 10 Testing Email Addresses of Recipients of Alert Notifications sess meme 101 8 2 11 Removing Email Addresses of Recipients of Alert Notifications 0 cece cece e eee e eect een ehh hen 102 8 3 Monitoring Controllers eripi e a ye Y ya eas dea abode dagd ad seca ebsbasadeed peed ened lanl iwe ERAEEF PERSE RREA PR MERI
14. s 0x01ba 442 Information s is now accessible 0x01bb 443 Information s is using CacheCade 0x01bc 444 Information s is no longer using CacheCade 0x01bd 445 Information Patrol Read aborted on s LSI Corporation Confidential 126 48712 00B We LSI
15. 1 2 1 1 2 2 RAID Overview RAID 0 Description RAID 0 provides disk striping across all drives in the drive group RAID 0 does not provide any data redundancy but does offer the best performance of any RAID level RAID 0 breaks up data into smaller segments called strips and then stripes the data segments across each drive in the drive group The size of each data segment is determined by the strip size which is 64 KB N NOTE It is possible to create each disk as a single drive RAID 0 drive group However spanning across single drive RAID 0 drive groups is not supported By breaking up a large file into smaller segments and writing or reading from several drives at once the Embedded MegaRAID Software utility can read or write the file faster This feature makes RAID 0 ideal for applications that require high bandwidth but do not require fault tolerance Uses Provides high data throughput especially for large files any environment that does not require fault tolerance Strong Points Provides increased data throughput for large files no capacity loss penalty for parity Weak Points Does not provide fault tolerance all data lost if any drive fails Drives One to eight The following figure shows a RAID 0 drive group with two drives Figure 1 RAID 0 Drive Group Example with Two Drives Segment 1 Segment 2 Segment 3 Segment 4 Segment 5 Segment 6 Segment 7 Segment 8 RAID 1 Description RAID 1
16. 37 3 7 Configuring a Bootable Virtual Drive sicscrarerscisie ei irre tt Ene enhn hehe enne ree e hee he hehe 38 3 8 Initializing Virtual DIVES ceci eR re E rr ee exr e ERE ER A E sate Megat aqaed aia neba RA E EE ERE UFRSNR ETE SEC sea S e RS 38 3 8 1 First Initialization Method 55 zer I Ure e n Sedan RUSSE DIRE SEE EPIS Me E Ere EN ese EC SERE HERE PUE 39 3 82 Second Initialization Method 5 enn rini is nei etiri re RE PR ET EE EEORMULI RERO EE EN LEN E Heese Quis EN es oe 40 39 Rebuilding a db E 41 3 10 Creating a Global Hotspare Drive cece ccc cece enn nnn heh he hee hh hehehe e heme here 41 3 11 Checking Data Consistency oissecess Rr re Ee Ep OU DDURRRR PUO ORARE DR E UDURRERTPISO EUR NR RN NE RERI ERRAT QC saan 43 LSI Corporation ifa Embedded MegaRAID Software User Guide Table of Contents March 2012 3 12 Displaying and Changing Controller Properties 0 cece cece cnn e eee heh heh heec hehehe 44 3 12 1 Displaying and Changing Controller Properties 0 cece cece cece ee ee cece teen eee he hem hse eee 44 3 12 2 Displaying and Changing Drive Properties 0 cece cece cece nen ee hehe hehe hehe eh heme ene 47 3 12 3 Viewing or Changing Virtual Drive Properties 0 cece ccc cece erence nnn een heh hehe es hse eene 48 3 13 Foreing Drives Online On Offline oer ep nr E E EUREN E ERE Pe Rr ON ER Mele ERO HR D Ea galee eae Ra RMN Re UE RR ORNA EK ET KE 48 Chapter 4 MegaCLI Command
17. 62 Apr 29 009 BIOS Version E Os 07211059R ion Menu uration Initialize fees Conf iguration la DE Select Boot Drive Check Consistency LSI Corporation a 30 esi Embedded MegaRAID Software User Guide Chapter 3 LSI Software RAID Configuration Utility March 2012 Creating a Storage Configuration 2 Highlight New Configuration with your cursor and press Enter The following screen appears This screen displays the drives Figure 14 New Configuration Array Selection Menu System Console software RAID Configuration nag conf igure Initialize Ob jects Rebuild Check Consis 3 Press the space bar to select a drive and add it to the drive group 4 Repeat step 3 to add additional drives to the drive group 5 Press F10 to continue the configuration The Select Configurable Array s dialog box appears as shown in the following figure Figure 15 Drive Group Selection Susten Console LSI ftware RAID Co i atio i B E Apr Initialize Ob jects Rebuild Check Consis Cursor LSI Corporation 3T Embedded MegaRAID Software User Guide Chapter 3 LSI Software RAID Configuration Utility March 2012 Creating a Storage Configuration Press the space bar to select the drive group 7 Press F10 to continue the configuration The Virtual Drive s Configured dialog box appears as shown in the following screen This screen shows the virtual drive number RAID level drive group size number of stripes str
18. 8 2 Configuring Alert Notifications The Alert Notification Configuration feature allows you to control and configure the alerts that MegaRAID Storage Manager sends when various system events occur To access this screen select Tools gt Configure Alerts on the main menu screen as shown in the following figure Figure 51 Alert Notification Configuration Menu MegaRAID Storage Manager 6 90 0100 Manage GoTo Log Tools Help e eo sj Configure Alerts The Alerts Notification Configuration screen appears as shown in the following figure The screen contains three tabs Alert Settings Mail Server and Email You can use each tab to perform tasks for that topic Figure 52 Alerts Notification Configuration Screen Riss Lsis Mail Server Email You may edit the alert delivery methods for each event severity level All events at that severity level will use the listed alert delivery methods unless you define exceptions by changing individual events Alert Delivery Methods Severity Level Alert Delivery Method Fatal m Log MSM Log Popup Email Critical System Log MSM Log Popup Warning System Log MSM Log Information System Log MSM Log Edit Change Individual Events Save Backup Load Backup OK Cancel Help You can select the Alert Settings tab to perform the following actions m Select the methods for the delivery of alerts Change the severity level of event
19. BGI Aborted Due to Ownership Loss on s 0x00c8 200 Caution Battery charger problems detected SOH Bad 0x00c9 201 Warning Single bit ECC error ECAR x ELOG x s warning threshold exceeded 0Ox00ca 202 Caution Single bit ECC error ECAR x ELOG x s critical threshold exceeded 0x00cb 203 Caution Single bit ECC error ECAR x ELOG x s further reporting disabled 0x00cc 204 Caution Enclosure s Power supply d switched off 0x00cd 205 Information Enclosure s Power supply d switched on Ox00ce 206 Caution Enclosure s Power supply d cable removed Ox00cf 207 Information Enclosure s Power supply d cable inserted 0x00d0 208 Information Enclosure s Fan d returned to normal 0x00d1 209 Information BBU Retention test was initiated on previous boot 0x00d2 210 Information BBU Retention test passed 0x00d3 211 Caution BBU Retention test failed 0x00d4 212 Information NVRAM Retention test was initiated on previous boot 0x00d5 213 Information NVRAM Retention test passed 0x00d6 214 Caution NVRAM Retention test failed 0x00d7 215 Information 96s test completed 96d passes successfully 0x00d8 216 Caution 96s test FAILED on 96d pass Fail data errorOffset x goodData x badData x LSI Corporation Confidential 120 Embedded MegaRAID Software User Guide Appendix A Events and Messages March 2012 Table 49 Event Messages Continued
20. Because the VD is offline the cache cannot be saved 0x0129 297 Information Copyback cannot be started as PD s is too small for src PD s 0x012a 298 Information Copyback cannot be started on PD 96s from PD 96s as SAS SATA is not supported in an array 0x012b 299 Information Microcode update started on PD 96s 0x012c 300 Information Microcode update completed on PD s 0x012d 301 Warning Microcode update timeout on PD s 0x012e 302 Warning Microcode update failed on PD s 0x012f 303 Information Controller properties changed 0x0130 304 Information Patrol Read properties changed 0x0131 305 Information CC Schedule properties changed 0x0132 306 Information Battery properties changed 0x0133 307 Warning Periodic Battery Relearn is pending Please initiate manual learn cycle as Automatic learn is not enabled 0x0134 308 Information Drive security key created 0x0135 309 Information Drive security key backed up 0x0136 310 Information Drive security key from escrow verified 0x0137 311 Information Drive security key changed 0x0138 312 Warning Drive security key re key operation failed 0x0139 313 Warning Drive security key is invalid 0x013a 314 Information Drive security key destroyed 0x013b 315 Warning Drive security key from escrow is invalid 0x013c 316 Information VD 96s is now secured 0x013d 317 Warning VD s is partially secured 0x013e 318 Information PD s security activated 0x013f 319 Information PD s security disabled 0x0140 320
21. Coercion mode Values 0 None 1 128 MB 2 1 GB NOTE The coercion type can be set only when there is no configuration present on the adapter m EnblSSDPatrolRead Enable the patrol read operation media scan on a SSD m PrCorrectUncfgdAreas Display Specified Adapter Properties Use the command in Table 8 to display specified properties on the selected adapter s Table 8 Display Specified Adapter Properties Syntax MegaCLI AdpGetProp RebuildRate PatrolReadRate BgiRate CCRate ReconRate CoercionMode aN PrCorrectUncfgdAreas EnblSSDPatrolRead a0 1 2 aALL Description Displays the properties on the selected controller s RebuildRate Rebuild rate Values 0 to 100 PatrolReadRate Patrol read rate Values 0 to 100 BgiRate Background initialization rate Values 0 to 100 CCRate Consistency check rate Values 0 to 100 ReconRate Reconstruction rate Values 0 to 100 CoercionMode Drive capacity Coercion mode Values 0 None 1 128 MB 2 1 GB PrCorrectUncfgdAreas EnblSSDPatrolRead Enable the patrol read operation media scan on a SSD LSI Corporation 53 Embedded MegaRAID Software User Guide Chapter 4 MegaCLI Command Tool March 2012 Adapter Commands 4 5 5 Set Time and Date on Controller Use the command in Table 9 to set the time and date on the selected controller s Table 9 Set Time and Date on Controller Convention MegaCLI Ad
22. Corporation 77 Embedded MegaRAID Software User Guide March 2012 6 2 2 Chapter 6 MegaRAID Storage Manager Screen and Menus MegaRAID Storage Manager Main Menu Screen The following icons in the left panel represent the controllers drives and other devices Table 46 Icons and Descriptions Icon Description Status oe Lg System e Controller m Backplane PU Port RAID Drive group E F Virtual drive T Online drive Ed Global hot spare 2o Tape drive CD ROM d Foreign Drive I Unconfigured Foreign Drive lem Unconfigured Drive NOTE MegaRAID Storage Manager shows the icons for tape drive devices but the utility does not support tape related operations If these operations are required use a separate backup application A red circle to the right of an icon indicates that the device has failed For example this icon indicates that a drive has failed PF 9 A yellow circle to the right of an icon indicates that a device is running in a partially degraded state For example this icon indicates that a virtual drive is running in a degraded state because a drive has failed B Event Log Panel The lower part of the MegaRAID Storage Manager main menu screen displays the system event log entries New event log entries appear during the session Each entry has an ID an error level indicating the severity of the event the timestamp and date and a brief de
23. Good 6 cece cece cence eene hehehe hs hee ee sene 63 4 9 5 Mariage a Drivenitialization 25 9 o Rope Tarne E ETE E EASA AARNE CE danas duasues AREE E EES es s 63 4 9 6 Manage Global Hot Spares ssssssssssssssesesees eee he e hehe heh ea hehe e eee he eren 63 497 Reb uild aDrive serorei eea IR Rp RR ERR IRR EERENUIUEPHWRE ae eae awa eee E NIRE CO EHE URER NU C IT a A C ee ee 64 4 9 8 Locate Physical Disk Drive s and Activate LED 1 0 00 0 cece eee nen eH hehehe hs em he he e hee 64 4 9 9 Replace Configured Disk Drives and Start Automatic Rebuild 0 cece ccc cece cence eee ee eh hehe 64 4 9 10 Prepare Unconfigured Physical Drives for Removal 0 e ccc c ence een eee ene need e eee heh hen n he he hee 64 4 9 11 Display Number of Physical Drives 00 cece cece cece ehe Hehe heh he hs emer he en here hehe 65 49 12 Display List of Physical Drives 1 29 m oe ro Re RU QUEUE sa dave bb XR ER EAR PR EERIMRETEUEQN A SERA Prud CERT MESS 65 4 9 13 Download Firmware to the Physical Devices ssesssssssssessesse eee hehe heme hehe heme hee 65 LSI Corporation 4 Embedded MegaRAID Software User Guide Table of Contents March 2012 4 10 Miscellaneous COMMANAGS cto o phe Ree erepti ek ee chi e s PP V Fu abe eed WR FE IR RR TERRE gra Ee eg seers 66 4 10 1 Display Version Information eser era SR a rRRE RETI E ERERIPPRM PR pyra e ry ee EU ene E FE Y REF ERU eR CIS ES 66 4 10 2 Displa
24. ID number description and severity level Figure 54 Change Individual Events Dialog Box amp Change Individual Events x LSI u Events ID Description Severity 377 D capacity changed VD 376 Controller reset on board expander Warning 375 Auto Snspshot failed For Warning 374 Snspshot deleted due to resource constraints on Critical 373 VD is no longer being cached in 55C VD Information 372 WDis being cached in SSC WD Information 371 WDis used for 55C VD Information 370 WD is available VD Information 369 VD is not availabl Warning 368 er stal on arning 367 was stale PD 366 d not be committed to disk please retry 365 V Ce NNNN 364 363 Snapshot encountered an unexpected internal error Critical 362 Repository restored for YD 361 Repository lost For VD 360 Snapshot view Full on 359 Snapshot View 80 Full on Warning 358 Snapshot repository Full on Critical 357 Snapshot repository 80 Full on Warning 356 Snapshot rollback progress on Point In Time on Information 355 Snapshot rollback completed For Point In Time on Information 354 Snapshot rollback internally aborted For Point In Time on Fatal 353 Snapshot rollback started For Point In Time on Information v Alert Delivery Methods E MSM Log v System Log Email Popup EE E uum 3 Clickan eventin the list to select it The
25. LSI Corporation 105 Embedded MegaRAID Software User Guide Chapter 8 Monitoring System Events and Storage Devices March 2012 Monitoring Virtual Drives 8 Click OK to enable your patrol read selections NOTE Patrol read does not report on its progress while it is running The patrol read status is reported in S the event log only To start a patrol read without changing the patrol read properties follow these steps 1 Clicka controller icon in the left panel of the MegaRAID Storage Manager main menu screen 2 Select Go To gt Controller gt Start Patrol Read in the menu bar 3 When prompted click Yes to confirm that you want to start a patrol read 8 5 1 Patrol Read Task Rates You can change the patrol read task rate The task rate determines the amount of system resources that are dedicated to a patrol read when it is running LSI recommends however that you leave the patrol read task rate at its default setting If you raise the task rate above the default foreground tasks will run more slowly and it might seem that the system is not responding If you lower the task rate below the default rebuilds and other background tasks might run very slowly and might not complete within a reasonable time For more information about the patrol read task rate see Section 7 2 Changing Adjustable Task Rates on page 89 8 6 Monitoring Virtual Drives When MegaRAID Storage Manager is running you can see the status of all virtua
26. MegaRAID Software User Guide Chapter 6 MegaRAID Storage Manager Screen and Menus March 2012 Starting MegaRAID Storage Manager If the circle in the server icon is orange instead of green it means that the server is running in a degraded state for example because a drive used in a virtual drive has failed If the circle is red the storage configuration in the server has failed NOTE To access servers on a different subnet type in the box at the bottom of the screen the IP address N of a server in the desired subnet where MegaRAID Storage Manager is running and click Update If you check the Connect to remote server at IP address box you can also access a standalone remote installation of MegaRAID Storage Manager if it has a network connection Double click the icon of the server that you want to access The Server Login window appears as shown in the following figure Figure 31 Server Login Window Enter User Name amp Password n Lsis Server 135 24 228 178 Use your Operating System s login username and password to login the MSM server User Name 5 Password Login Made Full Access Enter your user name and password The question mark icon opens a dialog box that explains what you need for full access to the server and for view only access to the server Select an access mode from the drop down menu for Login Mode and click Login Select Full Access if you need to both view and
27. MegaRAID Storage Manager main menu The options also vary depending on the current state of the selected device For example if you select an offline drive the Make Drive Online option appears in the Physical Drive menu Configuration options are also available in which you access the Configuration Wizard to configure drive groups and virtual drives To access the Wizard select the controller in the left panel and then select Go To gt Controller gt Create Virtual Drive Log Menu The Log menu includes options for saving and clearing the message log For more information about the Log menu see Appendix A Events and Messages on page 115 Tools Menu On the Tools menu you can select Tools gt Configure Alerts to access the Configure Alerts screen which you can use to set the alert delivery rules event severity levels exceptions and email settings For more information see Section 8 2 Configuring Alert Notifications on page 95 Help Menu On the Help menu you can select Help gt Contents to view the MegaRAID Storage Manager online help file You can select Help gt About MegaRAID Storage Manager to view version information for MegaRAID Storage Manager NOTE When you use the MegaRAID Storage Manager Online Help you might see a warning message that SJ Internet Explorer has restricted the file from showing active content If this warning appears click on the active content warning bar and enable the active content N
28. Patrol read runs only when you manually start it by selecting Start Patrol Read from the controller Options panel Disabled Patrol read does not run 4 Specify the maximum number of drives to include in the patrol read Eight drives is the maximum supported by Embedded MegaRAID Software 5 Click virtual drives in the list under the heading Virtual Drives to include in the patrol read and click Add or click Add All gt to include all of the virtual drives 6 Optional Change the frequency at which the patrol read will run The default frequency is weekly 168 hours which is suitable for most configurations The other options are hourly daily and monthly NOTE LSI recommends that you leave the patrol read frequency and other patrol read settings at the SJ default values to achieve the best system performance If you decide to change the values record the original default value here so you can restore them later if necessary Patrol Read Frequency Continuous Patrolling Enabled Disabled Patrol Read Task Rate Optional Set Patrol Read to run at a specific time The default is for the patrol read to start when you click OK on this screen To change the default so that the patrol read starts at a specific time follow these steps otherwise skip this step and proceed to the next step a Uncheck the box Perform Patrol Read when I click OK b Select the month year day and time to start patrol read
29. Software RAID Configuration Utility March 2012 3 12 2 Displaying and Changing Controller Properties Displaying and Changing Drive Properties The LSI Software RAID Configuration Utility displays properties policies and operations for virtual drives Follow these steps to display the virtual drive information 1 Onthe Management Menu screen select Objects gt Adapter The list of controllers appear in a dialog box 2 Highlight a controller with your cursor and press Enter The Physical Drive Selection Menu screen appears 3 Highlight a drive with your cursor and press Enter The following screen appears This screen lists the actions you can perform Figure 27 Virtual Drive Parameters Screen System Console Se ee LSI Software RAID Conf iguration Utility Uer A 62 Apr Conf igure Initialize D Spare gt poem em E simi Force Online Change Dru State Drive Properties 4 Select the action you want to perform and press Enter The options are Make Hot Spare Only a drive in Ready state can be changed to a hot spare Force Online Only a drive in Failed state can be forced online Change Drv State Change an online Onlin drive to Failed state or a hot spare to Ready state Drive Properties Display the device type capacity manufacturer name and model and revision number LSI Corporation 47 Embedded MegaRAID Software User Guide Chapter 3 LSI Software RAID Configuration Utility March
30. Tool cece cece rece cere cece eee teen eee e eee e ee eee eee nsec hse hn 49 Ali MegaGul Ch OVeWwiew sich ETE UEM 49 4 2 MegaCLI Commands Not Supported by Embedded MegaRAID Software 0 cece ccc eee e eee nent hee hne eee 50 4 3 Exception Handling e eee enna cgecwinm e s lt daauissleieteiiae va adie RHET Voas a wi adipsia aide alh s am Mable PNE Lag RR TRE DU Lada 50 4 4 Command Line Abbreviations and Conventions 0 cee cece cece ene nee ehem hse es heh he ee he ee 51 4 4 1 Abbreviations Used in the Command Line 0 cece cence eee ee he e ehm e e hehehe hene 51 442 CONVENTIONS M P 51 4 5 Adapter Commahlds sos ye desit ens RE FA CRUDEEPATU INE T IU des eR RR Va Pellet e SERM E CREME DU DE DRE M dece 52 4 5 1 Display Adapter InformatlOn i Vera t EE ber rookie dete Re eV DR E UEE Ne beveiet s edok E A dee gie eire ds 52 4 5 2 Enable or Disable Automatic Rebuild 0 ccc cece cee eee he n ehe he he esee eee 52 45 3 Set Adapter Properties ol Case pex ox VERE re ERES KI Ml ED Eee NE ppp e x RUE d UN ERN e i RN 53 4 5 4 Display Specified Adapter Properties sssssssssessssesessesse sehe heh ehm he e hse seh eere 53 4 5 5 Set lime and Date oni Controller sei gek de oe PERPE UR RR enced ESRMSNOR UAE EKAC ERI ONU EEG Res UL ER EER S Od vs 54 4 5 6 Display Adapter Time xus ceitoesse e d oia NEE AA EDU EROUE
31. aCe vs cse oe I eter e nel ete e been erue cede aad Edge Passer un tae DR euis n UE een UR RUE 59 4 8 Virtual Drive Commands o eer RISE eu ee e ERU UOI HUP Re OEVPDHUMER DUE E CIERRE Heke ERIMUPUDOP EU REN UR S EL ees 60 4 8 1 Display Virtual Drive Information 0 cece cece ehh hene ehh eh ehe hehehe ehh 60 4 8 2 Display Virtual Drive Disk Cache Settings 0 ccc cece cence renee eene hene hehe hs hehehe 60 4 8 3 Manage Virtual Drive Initialization esses mH heh ehm hehehe en he hehe hehehe 60 4 8 4 Manage Consistency Check 122 09 od pee Spree pee ide Mee bene nbd pdede Wr be v esepau UEE entibus ER rte Dae 61 4 8 5 View Ongoing Background Initialization 6 cece cece eee e eee he hehehe e eene ehe hh eren 61 4 8 6 Display Virtual Drive and Physical Drive Information 0 cc ccc e eee ene eee e heh heh he he eene 61 4 8 7 Display Number of Virtual Drives 1 2 0 0 0 cece cece cence ehe heh he hehe ehe he hehe he e hh here 62 4 9 Drive Commands CETTE TEL DEI D DI 62 4 9 1 Display Drive Information assis iir eee iR RR RR E RREREU nance EREE A A E ORE MESERSRSERERRRAER ERU EAR NER DHEE EROS 62 4 9 2 Set the Drive State to Online sees oven ERE ee ERRARE NEE EEEN EE RERO PA OR ORI I DENKE eee Rx ds 62 4 9 3 Set the Drive State to Offlihe zoe reos tenga re rep TRUE HE REN E bag sa ee ROTER E REFEreUR DUE NR UN U IR AE 62 4 9 4 Change the Drive State to Unconfigured
32. adds an overhead for the Java application programming users and a few required libraries are not deployed during the default RHEL6 operating system installation Because of this users need to port the application in to the native 64 bit version Refer to your server documentation and to the operating system documentation for more information on hardware requirements and operating system requirements LSI Corporation Embedded MegaRAID Software User Guide Chapter 5 MegaRAID Storage Manager Overview and Installation March 2012 5 3 5 3 1 Installation Installation This section explains how to install or reinstall MegaRAID Storage Manager on your workstation or server Installing MegaRAID Storage Manager on Microsoft Windows Follow these steps to install MegaRAID Storage Manager on a system running a Microsoft Windows operating system Unzip the zip file containing MegaRAID Storage Manager in Windows Explorer Double click the setup exe file to start the installation program When the Welcome screen appears click Next If MegaRAID Storage Manager is already installed on this system the Program Maintenance screen appears Read the screen text and select Modify Repair or Remove 4 When the next screen appears read and accept the user license and click Next The Customer Information screen appears as shown in the following figure Figure 28 Customer Information Screen i Megaraid Storage Manager 1 00 01 Instal
33. both data and parity numerous writes can take place concurrently Uses Strong Points Weak Points Drives Provides high data throughput Use RAID 5 for transaction processing applications because each drive can read and write independently If a drive fails the RAID controller uses the parity drive to recreate all missing information Use also for office automation and online customer service that requires fault tolerance Use for any application that has high read request rates but low write request rates Provides data redundancy high read rates and good performance in most environments Provides redundancy with lowest loss of capacity Not well suited to tasks requiring lot of small writes Drive performance will be reduced if a drive is being rebuilt or a background initialization is in progress Environments with few processes do not perform as well because the RAID overhead is not offset by the performance gains in handling simultaneous processes Three to eight LSI Corporation 11 Embedded MegaRAID Software User Guide March 2012 1 2 4 The following figure shows a RAID 5 drive group with six drives Figure 3 RAID 5 Drive Group Segment 1 Segment 2 Segment 3 Segment 4 Segment 7 Segment 8 Segment 9 Segment 10 Segment 13 Segment 14 Segment 15 Parity 11 15 Segment 19 Segment 20 Parity 16 20 Segment 16 Segment 25 Parity 21 25 Segment 21 Segment 22 Parity 26 30 Segment 26 Segment 27 Segment 28 Not
34. current alert delivery methods appear for the selected event under the Alert Delivery Methods heading Select the desired alert delivery methods for the event 5 Press Escto return to the Alerts Notification Configuration screen Click OK This saves all of the changes made to the event LSI Corporation 97 Embedded MegaRAID Software User Guide Chapter 8 Monitoring System Events and Storage Devices March 2012 Configuring Alert Notifications 8 2 3 Changing the Severity Level for Individual Events See Table 47 for details about the severity levels To change the event severity level for a specific event perform the following steps 1 On the Alerts Notification Configuration screen click the Alert Settings tab The Alerts Setting portion of the screen appears 2 Click Change Individual Events The Change Individual Events dialog box appears as shown in Figure 54 The dialog box shows the events by their ID number description and severity level 3 Clickan eventin the list to select it The current alert delivery methods appear for the selected event 4 Clickthe Severity cell for the event The Event Severity drop down menu appears for that event as shown in the following figure Figure 55 Change Individual Events Severity Level Menu LSI3 ey Events ID Description Severity SSC VD capacity changed VD Warning 376 Controller reset on board expander 375 Auto Snspshot Failed For 374 Snspshot deleted
35. default value here so you can restore them later if necessary Rebuild Rate Background Initialization BGI Rate Check Consistency Rate 1 Selecta controller icon in the Physical tab or the Logical tab in the left panel of the MegaRAID Storage Manager main menu screen 2 Select Go To gt Controller gt Set Adjustable Task Rates from the menu bar as shown in the following figure Figure 45 Set Adjustable Task Rates Menu Manage GoTo Log Tools Help N Start Patrol Read D G Set Patrol Read Properties Load Configuration Save Configuration Clear Configuration ow ow v Dashboard Physical Logica Controller LSI Embeddec User configurable task rate priorities for controller Save TTY Log Advanced Software Option Actions Alarm Disabled Create virtual drive MegaRAID RECOVERY Disabled Create CacheCade SSD Caching CacheCade SSD Caching Disabled Load configuration Drive security Disabled Update firmware Unconfigured good spin down Disabled Silence alarm Hot spare spin down Disabled LSI Corporation 89 Embedded MegaRAID Software User Guide March 2012 The Set Adjustable Task Rates dialog box appears as shown in the following figure Figure 46 Set Adjustable Task Rates Dialog Box LSISES SENE User configurable task rate priorities For controller Rebuild Rate 30 Patrol Rate 30 BGI Rate 30 Check Consistency Rate 30 Reconstru
36. descriptions include placeholders for specific values that are determined when the event is generated Some of the error messages are relevant only for hardware RAID Table 49 Event Messages Number Hex Egan Type Event Text 0x0000 0 Information Firmware initialization started PCI ID 04x 04x 04x 04x 0x0001 1 Information Firmware version 96s 0x0002 2 Fatal Unable to recover cache data from TBBU 0x0003 3 Information Cache data recovered from TBBU successfully 0x0004 4 Information Configuration cleared 0x0005 5 Warning Cluster down communication with peer lost 0x0006 6 Information 96s ownership changed from 9602x to 9602x 0x0007 7 Information Alarm disabled by user 0x0008 8 Information Alarm enabled by user 0x0009 9 Information Background initialization rate changed to d 0x000a 10 Fatal Controller cache discarded due to memory battery problems 0x000b 11 Fatal Unable to recover cache data due to configuration mismatch 0x000c 12 Information Cache data recovered successfully 0x000d 13 Fatal Controller cache discarded due to firmware version incompatibility 0x000e 14 Information Consistency Check rate changed to d Ox000f 15 Dead Fatal firmware error s LSI Corporation Confidential 2115 Embedded MegaRAID Software User Guide March 2012 Table 49 Event Messages Continued Appendix A Events and Messages
37. due to resource constraints on 373 wDis no longer being cached in SSC VD Warning 372 WDis being cached in 55C VD 371 Dis used For 55C VD Information 370 WDis available VD Information 369 WDis not available VD Warning 5 Selecta different severity level for the event from the menu 6 Press Escto return to the Alerts Notification Configuration screen 7 Click OK to save all of the changes made to the events LSI Corporation 98 Embedded MegaRAID Software User Guide March 2012 8 2 4 8 2 5 Multiple Events Displayed in a Single Pop Up Window Chapter 8 Monitoring System Events and Storage Devices Configuring Alert Notifications You can view multiple events in a single pop up window as shown in the following figure Figure 56 Pop Up for Multiple Events Change Individual Events x LSIEE u Events Description SSC VD capacity changed VD 376 Controller reset on board expander 375 Auto Snspshot Failed For 374 Snspshot deleted due to resource constraints on 373 WDisnolonger being cached in SSC VD 372 WDis being cached in SSC VD Warning Severity 371 VD is used for SSC VD Information 370 VD is available VD Information 369 VDisnot available VD Warning Entering or Editing the Sender Email Address and SMTP Server You can use the Alerts Notification Configuration screen to enter o
38. failed for 96s in snapshot repository 96s 0x0178 376 Warning Controller reset on board expander 0x0179 377 Warning CacheCade 96s capacity changed and is now 0x lx logical blocks 0x017a 378 Warning Battery cannot initiate transparent learn cycles 0x017b 379 Information Premium feature 96s key was applied for 96s 0x017c 380 Information Snapshot schedule properties changed on 96s 0x017d 381 Information Snapshot scheduled action is due on 96s 0x017e 382 Information Performance Metrics collection command 0x lx 0x017f 383 Information Premium feature 96s key was transferred 96s 0x0180 384 Information Premium feature serial number 96s 0x0181 385 Warning Premium feature serial number mismatched Key vault serial num 96s 0x0182 386 Warning Battery cannot support data retention for more than 96d hours Please replace the battery 0x0183 387 Information 96s power policy changed to 96s from 96s 0x0184 388 Warning 96s cannot transition to max power savings 0x0185 389 Information Host driver is loaded and operational 0x0186 390 Information 96s mirror broken 0x0187 391 Information 96s mirror joined 0x0188 392 Warning 96s link d failure in wide port 0x0189 393 Information 96s link 96d restored in wide port 0x018a 394 Information Memory module FRU is 96s 0x018b 395 Warning Cache vault power pack is sub optimal Please replace the pack 0x018c 396 Warning Foreign configuration auto import did not import any drives 0x018d 398 Warning Cache vault microcode update
39. following figure You can use MegaRAID Storage Manager to alert you about events There are settings are for the delivery of alerts the severity level of events exceptions and email settings Figure 49 Event Information Window MegaRAID Storage Manager 8 17 2000 E lej x Manage GoTo Log Tools Help ies O n5 LSI Welcome administrator Full Access Loa Off Dashboard Physical Logical lj WIN AEC34GFELOU E LSI Embedded MegaRAID Bus 0 Dev 31 E Drive Group 0 RAID 1 va Slot 0 SATA 232 886 GB Online Slot 1 SATA 232 886 GB Online E Drive Group 1 RAID 0 E Ag Virtual Drive s GD Virtual Drive 1 MegaSR RO 1 231 89 B Drives Slot 2 SATA 232 886 GB Online 10 Policy Strip Size 64KB Write Policy Virtual Disk State Optimal Current Write Policy Write Through 10 and Cache Policies Default Write Policy Write Through Description information Controller ID 0 Initialization complete on VD 1 11 Information 2011 03 22 17 42 50 Controller ID 0 Fastinitialization started on VD 1 10 Information 2011 03 22 17 42 50 Controller 1D O Created VD 1 z S Information 2011 03 22 50 Controller ID 0 State change PD 0 2 Previous UnconfiguredGood Current Online Information 2011 03 22 16 24 55 Controller 1D 0 Properties updated on VD 0 Default Write Policy Write Through Disk Ca
40. gSave option stores the configuration data and adapter properties in the file Configuration data has only the device ID and sequence number information of the physical drives used in the configuration The C gRestore option will fail if the same device IDs of the physical drives are not present The utility does not validate the setup before restoring the configuration Delete Virtual Drive s Use the command in Table 20 to delete one or more virtual drives on the selected adapter s Table 20 Delete Virtual Drives Syntax MegaCLI CfgLDDel Lx L0 1 2 Lall aN a0 1 2 aALL Description Deletes one virtual drive multiple virtual drives or all the selected virtual drives on selected adapter s Display Free Space Use the command in Table 21 to display the free space that is available to use for configuration on the selected adapter s Table 21 Display Free Space Syntax MegaCLI CfgFreeSpaceInfo aN a0 1 2 aALL Description Displays all the free space available for configuration on the selected adapter s The information includes the number of disk groups the number of spans in each disk group the number of free space slots in each disk group the start block and the size in both blocks and MB of each free space slot LSI Corporation 59 Embedded MegaRAID Software User Guide Chapter 4 MegaCLI Command Tool March 2012 Virtual Drive Commands 4 8 Virtual Drive Commands You can use th
41. policy Select a cache setting for this drive Enabled Enable the disk cache Disabled Disable the disk cache Unchanged the default Leave the current disk cache policy unchanged LSI Corporation 81 Embedded MegaRAID Software User Guide March 2012 7 1 2 Chapter 7 Configuration Creating a New Storage Configuration Creating a Virtual Drive Using Simple Configuration Simple configuration is the quickest and easiest way to create a new storage configuration When you select simple configuration mode the system creates the best configuration possible using the available drives NOTE You cannot created RAID 10 spanned drives using the simple configuration procedure To create RAID S 10 spanned drives use the advanced configuration procedure described in Section 7 1 3 Creating a Virtual Drive Using Advanced Configuration on page 85 Follow these steps to create a new storage configuration in simple configuration mode 1 Clickthe Dashboard tab on the main menu screen The Create Virtual Drive option appears in the Actions section of the Dashboard as shown in the following figure Figure 36 Virtual Drive Creation Menu MegaRAID Storage Manager 8 17 2000 lajxj Manage GoTo Log Tools Help SS OEMO n LSI K Welcome administrator Full Access Log Off Dashboard physical Logical f itroller Actions Help Disabled Create virtual drive How to use MSM MegaRAID REC
42. rates for the BGI consistency check and patrol read Automatic resumption of rebuilding check consistency full initialization and BGI processes Global hot spare support Error Handling The Embedded MegaRAID Software supports the following error handling features m Soft Bad Block Management SBBM support m Error Event logging and notification Driver Features The Embedded MegaRAID Software driver supports the following features Error logging and notification Support for Microsoft Windows Server 2003 Microsoft Windows Server 2008 Microsoft Windows Server 2008R2 Microsoft Windows Vista and Microsoft Windows 7 Support for Red Hat Linux Support for SuSE Linux for 2 4 2 6 and 3 0 kernels BIOS Features The Embedded MegaRAID Software BIOS has the following features Support for Interrupt 13 and Enhanced Disk Drive Specification Support for Int19h Option ROM size of 64 KB Support for BIOS Boot Specification BBS If available in system BIOS this feature lets you select the controller from which to boot Support for power on self test POST Support for Post Memory Management PMM Specification v7 July 2010 Industry standard EBDA POST and run time BIOS support for device insertion and removal Support for Stop On Error during boot up The following feature is supported by the BIOS and the Ctrl M Configuration Utility m Automatic resumption of rebuilding Check Consistency and full initializa
43. schedule the check and run the consistency check Running a Group Consistency Check You can run a consistency check on multiple drives at one time Follow these steps to run a group consistency check 1 Click Manage Check Consistency The Group Consistency Check appears as shown in the following figure Figure 67 Group Consistency Check Dialog Box LSI sig J Virtual Drive 0 VD 0 544 875 GB Optimal virtual Drive 2 272 437 GB Optimal Select All Deselect All Start Cancel Check the virtual drives to run the consistency check on or click Select All to select all of the virtual drives Click Start You can monitor the progress of the group consistency check See Section 8 8 Monitoring Rebuilds and Other Processes on page 108 for more information LSI Corporation 112 Embedded MegaRAID Software User Guide Chapter 9 Maintaining and Managing Storage Configurations March 2012 9 3 9 4 Scanning for New Drives Scanning for New Drives You can use the Scan for Foreign Configuration option to find drives with foreign configurations A foreign configuration is a RAID configuration that already exists on a replacement set of physical disks that you install in a computer system In addition if one or more drives are removed from a configuration by a cable pull or drive removal for example the configuration on those drives is considered a foreign configuration by the RAID controller Drives that are fo
44. to eight drives A RAID 10 drive group consists of four six or eight drives N NOTE Some hardware configurations do not support eight drives Depending on the hardware the actual maximum number of drives for RAID 0 RAID 5 and RAID 10 drive groups can be fewer than eight You can use any of these three strategies when creating RAID drive groups and virtual drives m Maximize Fault Tolerance You can maximize fault tolerance to protect against loss of data by creating a RAID 1 drive group with mirroring All data is written to the primary drive in the drive group and is also written mirrored to asecond drive Maximize Virtual Drive Performance You can maximize virtual drive performance by creating a RAID 0 drive group with striping Data is broken into segments and can be simultaneously written to or read from several different stripes on several different drives in the drive group RAID 10 drive groups combine both striping and mirroring to provide high data transfer rates and data redundancy Maximize Storage Capacity You can maximize storage capacity when selecting a RAID level Striping alone RAID 0 requires less storage space than mirrored data RAID 1 or distributed parity RAID 5 RAID 5 which provides redundancy for one drive failure without duplicating the contents of entire drives requires less space than RAID 1 LSI Corporation zga Embedded MegaRAID Software User Guide Chapter 1 Overview March 2012
45. 2012 3 12 3 3 13 Forcing Drives Online or Offline Viewing or Changing Virtual Drive Properties You can disable the write cache option when you create a virtual drive but you can enable this option later using the configuration utilities When the Disk Write Cache is On a write transaction is considered to be complete when all the data has been written to the disk cache When Disk Write Cache is Off the write transaction is complete only when the data has been written to the disk When disk Read Ahead is On extra data is read sequentially ahead of the data that is actually requested and this extra data is stored in a cache If the additional read ahead data is then requested it can be read faster from the cache than from the disk directly NOTE When the Disk Write Cache is On there is a danger that data could be lost if the power fails before the N cached data is written to disk Follow these steps to view the Disk Write Cache or Read Ahead settings or enable the Disk Write Cache setting 1 On the Management Menu screen select Objects gt Virtual Drive The list of virtual drives appears 2 Highlight a virtual drive with your cursor and press Enter The list of virtual drive parameters appears 3 Highlight Disk WC with your cursor and press Enter The On Off dialog box opens 4 Change the setting to On to enable the Disk Write Cache setting The Disk Write Cache option in enabled Forcing Drives Online or Offl
46. 47 Document Number 48712 00 Rev B Copyright O 2012 LSI Corporation All Rights Reserved Embedded MegaRAID Software User Guide Table of Contents March 2012 Table of Contents Chapter 13 Ver vi We dec ERP 7 1 1 Embedded MegaRAID Software Features 6 cece cence eee eee heh hee heh hsec heme he e es he eae eee 7 11 Device SUPPO EEUUMRMTMTMOGUUUUPUIUUESMUIUTTT 7 1 2 RAID EGatures nien s Pone T E bx np epe E EAE Re I E KU aate p E AEE EE AA O 7 TTS Error Handling m coreane nsise e E EENE TEERAA EET EE EAE T ENRETA 8 WA Driver Features uso eu eR DIEA eee IEEE E A E EE SEI PE E A A E AAE Ee E n NE a eed UNES 8 11 5 BIOS Features S aiins EERE EIEEE EENS TIOATA TARER EEEE O EERE OEN TEESE EARNE DEA 8 1 1 6 RAID Management Utility Features essseesesseeeseel IH mH mH e ehe eme eem hh eh heme hene 9 1 2 RAID OVERVIEW E REUmEUTUEUTUUTILMUTTTTSTTTIMMM 9 121 RAID O Descriptio nes e e oh egi tester meten deberet obese iba opea E Wr ERU QUSE E maarea ney MUM Ria ied 10 12 2 RAID 1 Descriptio cresi ober Rr Pee ER Ihe gae prm eph I Pes WE TRO ed Sb ea vetas Tee e baddies dee e E RN DU E RS 10 12 3 n PEEPI TeoED 11 ges SA IPAIOIBruefenpet cL em 12 Cha
47. 7 a date and timestamp and a brief description You can click an event to display the same information in a window For a list of all events see Appendix A Events and Messages on page 115 Table 47 Event Severity Levels Severity Level Meaning Information Informational message No user action is necessary Warning Some component might be close to a failure point Critical A component has failed but the system has not lost data Fatal A component has failed and data loss has occurred or will occur The Log menu has four options Save Saves the current log to a 10g file Save as Text Saves the current log in txt format Clear Clears the current log information You have the option of saving the log first Load Enables you to load a local 10g file The following figure shows the log menu Figure 50 Log Menu E MegaRAID Storage Manager 8 17 2000 Manage GoTo Log Tools Help E C Save Save as Text Clear Load Dashboard Physical Logical E WIN AEC34GFELOU H 4 LSI Embedded MegaRAID Bus 0 Dev 31 EE Drive Group 0 RAID 1 1 4 Virtual Drive s T Virtual Drive 0 231 898 GB Optimal Drives iG Slot 0 SATA 232 886 GB Online amp Slot 1 SATA 232 886 GB Online LSI Corporation 94 Embedded MegaRAID Software User Guide Chapter 8 Monitoring System Events and Storage Devices March 2012 Configuring Alert Notifications
48. 87 Warning Error on 96s Error 9602x 0x0058 88 Information Format complete on 96s 0x0059 89 Information Format started on 96s 0x005a 90 Caution Hot Spare SMART polling failed on 96s Error 9602x 0x005b 91 Information Inserted 96s 0x005c 92 Warning 96s is not supported 0x005d 93 Warning Patrol Read corrected medium error on 96s at lx 0x005e 94 Progress Patrol Read progress on 96s is 96s Ox005f 95 Fatal Patrol Read found an uncorrectable medium error on 96s at 96lx 0x0060 96 Caution Predictive failure 96s LSI Corporation Confidential 2117 Embedded MegaRAID Software User Guide Appendix A Events and Messages March 2012 Table 49 Event Messages Continued Number Hex pues Type Event Text 0x0061 97 Fatal Puncturing bad block on 96s at lx 0x0062 98 Information Rebuild aborted by user on 96s 0x0063 99 Information Rebuild complete on 96s 0x0064 100 Information Rebuild complete on 96s 0x0065 101 Caution Rebuild failed on 96s due to source drive error 0x0066 102 Caution Rebuild failed on 96s due to target drive error 0x0067 103 Progress Rebuild progress on 96s is 96s 0x0068 104 Information Rebuild resumed on 96s 0x0069 105 Information Rebuild started on 96s 0x006a 106 Information Rebuild automatically started on 96s 0x006b 107 Caution Rebuild stopped on 96s due to loss of cluster ownership 0x006c 108 Fata
49. 96s 96s 0x0085 133 Information Dedicated Hot Spare 96s 96s disabled 0x0086 134 Caution Dedicated Hot Spare 96s no longer useful for all arrays 0x0087 135 Information Spare created on 96s 96s 0x0088 136 Information Spare 96s 96s disabled LSI Corporation Confidential 118 Embedded MegaRAID Software User Guide March 2012 Table 49 Event Messages Continued Number Hex aea Type Event Text 0x0089 137 Caution Spare s does not cover all arrays 0x008a 138 Information Created s 0x008b 139 Information Deleted s 0x008c 140 Information Marking s inconsistent due to active writes at shutdown 0x008d 141 Information Battery Present 0x008e 142 Warning Battery Not Present 0x008f 143 Information New Battery Detected 0x0090 144 Information Battery has been replaced 0x0091 145 Caution Battery temperature is high 0x0092 146 Warning Battery voltage low 0x0093 147 Information Battery started charging 0x0094 148 Information Battery is discharging 0x0095 149 Information Battery temperature is normal 0x0096 150 Fatal Battery needs replacement SOH Bad 0x0097 151 Information Battery relearn started 0x0098 152 Information Battery relearn in progress 0x0099 153 Information Battery relearn completed 0x009a 154 Caution Battery relearn timed out 0x009b 155 Information Battery relearn pending Battery is under charge 0x009c 156 In
50. AID Software User Guide Chapter 9 Maintaining and Managing Storage Configurations March 2012 9 5 Making a Drive Offline or Missing Making a Drive Offline or Missing If a drive is currently part of a redundant configuration and you want to use it in another configuration you can use MegaRAID Storage Manager commands to remove the drive from the first configuration and change the drive state to Unconfigured Good A CAUTION After you perform this procedure all data on that drive is lost To remove the drive from the configuration without harming the data on the virtual drive follow these steps 1 Inthe MegaRAID Storage Manager main menu click Go To Physical Drive Make Drive O ffline The drive status changes to Offline 2 Click Go To gt Physical Drive gt M ark Drive as Missing The drive status changes to Unconfigured Good A CAUTION After you perform this step the data on this drive is no longer valid 3 If necessary create a hot spare drive for the virtual drive from which you have removed the drive When a hot spare is available the data on the virtual drive is then rebuilt You can now use the removed drive for another configuration CAUTION If MegaRAID Storage Manager detects that a drive in a virtual drive has failed it makes the A drive offline If this happens you must remove the drive and replace it You can make the drive so that another configuration cannot use it by using the Mark p
51. AID drive group continues to handle requests while the rebuild occurs LSI Corporation 45 Embedded MegaRAID Software User Guide Chapter 3 LSI Software RAID Configuration Utility March 2012 Displaying and Changing Controller Properties Table 2 Controller Properties and Values Continued Property Options Default Auto Resume Enable Disable Enable When Enabled you can stop a consistency check rebuild or initialization and resume it later where it left off instead of aborting it and starting over Disk Coercion None 128MB 1GB 1GB NOTE The DiskGoercion Drive coercion is a tool for forcing drives of varying capacities to the same e Pisk coercion capacity so they can be used in a drive group The coercion mode options property can be accessed are None 128MB way and 1GB way only when no configuration is present for the controller Otherwise an error message appears The number you choose depends on how much the drives from various vendors vary in their actual size Factory Default Returns the settings to the factory default settings N A 3 To change the value of a controller property use the cursor to highlight the property and then press Enter 4 Selectortype a different value for the property and press Enter When you are finished press Esc until you return to the Management Menu screen LSI Corporation 46 Embedded MegaRAID Software User Guide Chapter 3 LSI
52. Active SSD Guard Drive Security Properties Drive security capable m Frrartavel Date Time Neerrintinn The following sections describe the panels and the menu options that appear on this screen LSI Corporation 74 Embedded MegaRAID Software User Guide March 2012 6 2 1 6 2 1 1 Chapter 6 MegaRAID Storage Manager Screen and Menus MegaRAID Storage Manager Main Menu Screen Dashboard Physical View Logical Views The left panel of the MegaRAID Storage Manager main menu screen displays the Dashboard view the Physical view or the Logical view of the system and the related devices depending on which tab is selected Dashboard View The Dashboard view shows an overview of the system and covers the following features Properties of the virtual drives and the physical drives Total capacity configured capacity and unconfigured capacity Background operations in progress MSM features and their status enabled or disabled Actions you can perform Links to Online Help The following figure shows the Dashboard view Figure 33 MSM Dashboard View MegaRAID Storage Manager 8 17 2000 2ABixl Manage GoTo Log Tools Help PBS OE WMO LSIs Welcome administrator Full Access Log Off Background Operations p Status Virtual drive operations in 8P Endosures xcci M Backplanes 695 695 GB B Configured Capacity 2 Drives 463 797 GB Drive operations in progre amp Driv
53. CIID 0x8086 0x2822 0x1014 0x3a20 Displaying log from server sa Aea v DTI LSI Corporation 82 Embedded MegaRAID Software User Guide Chapter 7 Configuration March 2012 Creating a New Storage Configuration 2 Click Create Virtual Drive The dialog box for the configuration mode Simple or Advanced appears as shown in the following figure Figure 37 Virtual Drive Simple Configuration Mode Create Virtual Drve Choosemode e LS I X This wizard will help you quickly create virtual drives Choose how to create the virtual drive Simple Specify a limited number of settings and have the system pick drives for you This is the easiest way to create a virtual drive C Advanced Choose additional settings and customize virtual drive creation This option provides greater flexibility when creating virtual drives for your specific requirements 3 Click Simple and press Next The Create Virtual Drive screen appears as shown in the following figure Figure 38 Create Virtual Drive Screen Create Virtual Drive Drive group and Virtual drive settings Use the suggested virtual drive settings or change them if needed Pick a RAID level to specify the amount of fault tolerance and performance for the virtual drive s RAID level Suitable for high performance with zero data redundancy Choose this option B only for non critical data gt Hot spare will be assigned depending upon the availabil
54. Current Default Read Policy No Read Ahead Default Write Policy Write Back for failed or missing ba 4 Information 2011 03 22 16 23 15 Successful log on to the server User administrator Client 169 254 109 128 Access Mode Full Client Time 2011 03 22 16 23 15 3 Information 2011 03 22 16 22 14 Controller ID 0 VDisnow OPTIMAL VD 0 2 nformation 2011 03 22 16 Controller ID 0 Image version 14 02 0222 2011 1 Information 2011 03 22 16 22 Controller ID 0 Firmware initialization started PCIID 0x8086 0x2822 0x1014 0x3a20 Displaying log from server s e Jem zel Peo S m The RAID level stripe size and access policy of the virtual drive are set when the virtual drive is configured NOTE You can change the read policy write policy and other virtual drive properties See Section 7 3 Y Changing Adjustable Task Rates on page 90 for the procedure you can use to change these properties If the drives in the virtual drive are in an enclosure you can identify them by making their LEDs blink To do this follow these steps Click the virtual drive icon in the left panel 2 Click Go To gt Virtual Drive gt Start Locating Virtual Drive or right click a virtual drive and select Start Locating Virtual Drive from the menu The LEDs on the drives in the virtual drive start blinking except for the LEDs for hot spare drives 3 To stop the LEDs from blinking click Go To gt Virtual Drive gt Stop Lo
55. D 0 E lg virtual Drive s G Virtual Drive 1 MegaSR RO 1 231 89t Ej Drives Slot 2 SATA 232 886 GB Online Size 231 898 GB IO Policy Direct IO Strip Size 64KB Write Policy Virtual Disk State Optimal Current Write Policy Write Through 10 and Cache Policies Default Write Policy Write Through Access Policy ay ID Error Level Date Time Description 12 Information 2011 03 22 17 42 53 Controller ID O Initialization complete on VD 1 1 Information 2011 03 22 17 42 50 Controller 1D 0 Fastinitialization started on VD 1 10 Information 2011 03 22 17 42 50 Controller ID O Created VD 1 F E 9 Information 2011 03 22 17 42 50 Controller ID 0 State change PD 0 2 Previous Unconfigured Good Current Online 8 Information 2011 03 22 16 24 55 Controller ID 0 Properties updated on VD 0 Default Write Policy Write Through Disk Cache Policy Disable Current Write Policy Write Through 2 Information 2011 03 22 16 24 55 Controller ID 0 Policy change on VD O Current Default Write Policy Write Through Disk Cache Policy Disable Current Write Policy Write le Information 2011 03 22 16 24 37 Controller ID O Properties updated on VD 0 Default Read Policy No Read Ahead Default Write Policy Write Back for failed or missing battery Dis 5 Information 2011 03 22 16 24 37 Controller ID 0 Policy change on VD O
56. D Software User Guide Chapter 7 Configuration March 2012 Creating a New Storage Configuration Select the virtual drive settings to fit your environment See Section 7 1 1 Selecting Virtual Drive Settings on page 80 for more information about the virtual drive settings Click Create Virtual Drive The new virtual drive appears under the drive group The options Update Virtual Drive and Remove Virtual Drive are available Update Virtual Drive allows you to change the virtual drive settings and Remove Virtual Drive allows you to delete the virtual drive Click Next The Create Virtual Drive Summary window appears as shown in the following figure This window shows the selections you made for the advanced configuration Figure 44 Virtual Drive Summary Window Create Virtual Drive Summary E x 10 n Lsis Review the summary and go back if you need to make corrections The virtual drive s will be created when you dick finish Summary Drive group name Drive Groupi RAID level RAID 0 Number of drives used i Drive security method No Encryption Total capacity Free capacity Virtual drive 1 name Capacity Click Back to return to the previous screen to change any selections or click Finish to accept and complete the configuration After you click Finish the new storage configuration is created and initialized After the configuration is completed a dialog box notifies you that the virtual drive
57. ECHE 102 SA Monitoring DIVes ovs ne tenre RRXREPRRERESUEN ORC bora OR Mo epe FA DER ER me aed SE DIR EUNUQUEE Pike ed E ERAT EM ei dri 103 8 5 Running aPatrol Read uoce Er ER rupe teer alcuna monde Re set con dae ke ges FUR OF ears NET e que ege p REA 104 8 5 1 Patrol Read Task Rates 4 0 4 4 sieht E RE EE ee etaReead ences oes EREURRPERERRERRRRUERNEREEEEMERUURBIEREREER E IA E E 106 8 6 Monitoring Virtual Drives esssexeis E eevaecs sas coved GM AFER E RN al ER EPA RR APR PERPE AA RO E RPRETPPIR D ERE 106 87 Monitoring Enclosures css os E Gas PIRE Ee e dare a daa retndeved nU a hes da babe gane S iV M Rara ed EE EUR DE ED 108 8 8 Monitoring Rebuilds and Other Processes 6 cece ccc cen eee ne nnn hes hehehe es hh a ee eren 108 LSI Corporation 5a Embedded MegaRAID Software User Guide Table of Contents March 2012 Chapter 9 Maintaining and Managing Storage Configurations cccccccce cece ese n cece cece heh hn 110 9 1 Initializing a Virt al DtiV amp 2 eorr Renner eR mra ERR sapind de pee ONES Lap aaelna ERERERREERE E Y ERORREREN E ene aap Ea n ER GRE 110 9 1 1 Runningia Group Initialization i155 ong tener peas es ea ER E ere x XE Rune e rS E E UD DES EE penne eU E beer at ER EE 111 92 Running a Consistency Check occ sciviasicceeses peda sada ha REGERE bwees dese send REN EERRREREERETEREILARERE E HOAs A RD pene E ERED 112 9 2 1 Running a Group Consistency Check esee eese e hehe ehh rea a NEEE arae Ua aa
58. ERPUPNUD NOU NR IDUNER EE E ERR ERR VERLIVEEEENER UR ETUR 54 415 7 Set Factory Defaults za ynia radar pne E EDO QU Eu redu Ub eset esee eR NO else ed aee buo as 54 4i6 Event Log Commoahds mres ere ERES RR RE PRU RR VERUCPREUOI EA GNE Y EVE we bee Gee ONE RE EDU Ges Hae aoe gees Mabe REESE 55 4 6 1 Manage the Event Log Entries 0 cece cence esee hehehe es heh hehe hehehe rene 55 47 Gontiguration Commands i eiocopr cR Eee EURO VE A ABRE PUR EE RARE UI CORE EPANeL ERR aod dulce and acegedeceeneees 56 4 7 1 Add RAID 0 RAID 1 or RAID 5 Configuration ssssssessssessesssses eee hme n ehm he he he hehehe hene 56 47 2 Configure Each Disk as RAID O codes ostis YR chances YR VR VRRERERP SA URP REEF ER Re n RR ER Ya ege e DR RET VS C cage 57 4 7 3 Add RAID 10 Configuration ence E Rr OEE Pen bene Mi t enahbr OSEE ME beer BE EE eee EE 58 4 7 4 Clear Existing Configuration sis pereo xo xa ves eR X Uke E L YAN GRE E ER RA UE A ce ae PIRA ERAA E ETE REN SE EY PIER 58 4 75 Display Existing Configuration 5 nes ER Rex ERR S ERE T RU UNE RERVNCK XN he SEMEN RC ED CREME Re Ev SEE theses ERE 58 4 7 6 Save Adapter Configuration 15i re t io sade bonne I TU HERR VEIT RE SUCDERIAR EUAR ECCE EU FARE RS made Pr EQ e ET ned 58 4 7 7 Restore Configuration Data from File 0 00 0 cece cece cece enn nn tence enn ehe e hehe hehe hehe 59 47 8 Delete Virtual Drive s e eerren eene RR Pen d cis Pene s sU ERE D RNC tides vd UM M IET P 59 4 7 9 Display Free Sp
59. ID level 10 see Section 4 7 3 Add RAID 10 Configuration Table 13 Add RAID 0 1 or 5 Configuration Syntax MegaCLI CfgLDAdd RO R1 R5 E0 Sn szXXXXXXXX szYYYYYYYY strpszM Hsp E5 S5 afterLdX aN Description Adds a RAID level 0 1 or 5 configuration to a specified adapter Even if no configuration is present you have the option to write the configuration to the adapter Wm Rx E0 Sn Used to specify the RAID level and the physical drive enclosure slot numbers for a drive group NOTE No enclosure number is needed for simple swap configurations in which a drive is not part of an enclosure For example in a RAID 1 configuration with a drive in slot 2 that is not in an enclosure and a drive in an enclosure in slot 3 the syntaxis R1 2 1 3 strpszM Used optionally to specify a stripe size You can set the stripe size to 64 KB Hsp Ex Sx Used to create a global hot spare with physical drive enclosure slot numbers specified m szXXXX Used to specify the size of a virtual drive where XXXX is a decimal number of MB However the actual size of the virtual drive might be smaller because the driver requires the number of blocks from physical drives in each virtual drive to be aligned to the stripe size This option can also be used to create a configuration on the free space available in the array m AfterLdx Used to specify which free slot should be used optional By defau
60. Info aN a0 1 2 aALL PhysDrv E0 Sn Description Provides information about the drives connected to the enclosure and controller slot This includes information such as the enclosure number slot number device ID sequence number drive type capacity if a drive foreign state and inquiry data m Physdrv E0 S0 Specifies the physical drive enclosure and the slots for the drives to provide information about Set the Drive State to Online Use the command in Table 30 to set the state of a drive to Online In an online state the drive is working normally and is a part of a configured virtual drive Table 30 Set Drive State to Online Syntax MegaCLI PDOnline PhysDrv E0 Sn aN a0 1 2 aALL Description Changes the drive state to Online m Physdrv E0 S0 Specifies the physical drive enclosure and the slots for the drives Set the Drive State to Offline Use the command in Table 31 to set the state of a drive to Offline In the offline state the virtual drive is not available to the controller Table 31 Set Physical Disk Drive State to Offline Syntax MegaCLI PDOffline PhysDrv E0 S aN a0 1 2 aALL Description Changes the drive state to Offline m Physdrv E0 S0 Specifies the physical drive enclosure and the slots for the drives LSI Corporation 62 Embedded MegaRAID Software User Guide Chapter 4 MegaCLI Command Tool March 2012 Drive C
61. Information PD s is reprovisioned 0x0141 321 Information PD s security key changed 0x0142 322 Fatal Security subsystem problems detected for PD s 0x0143 323 Fatal Controller cache pinned for missing or offline VD s 0x0144 324 Fatal Controller cache pinned for missing or offline VDs s 0x0145 325 Information Controller cache discarded by user for VDs s 0x0146 326 Information Controller cache destaged for VD s 0x0147 327 Warning Consistency Check started on an inconsistent VD s 0x0148 328 Warning Drive security key failure cannot access secured configuration 0x0149 329 Warning Drive security password from user is invalid 0x014a 330 Warning Detected error with the remote battery connector cable 0x014b 331 Information Power state change on PD s from s to s 0x014c 332 Information Enclosure s element SES code 0x x status changed LSI Corporation Confidential 123 Embedded MegaRAID Software User Guide Appendix A Events and Messages March 2012 Table 49 Event Messages Continued Number Hex eee Type Event Text group Ox014e 334 Information Copybackcannot be started on PD 96s from 96s as HDD CacheCade software mixisnot supported in a drive group 0x014f 335 Information VD bad block table on s is cleared 0x0150 336 Caution SAS topology error Ox lx 0x0151 337 Information VD clu
62. LES 11 SP1 32 bit and 64 bit platforms in which the dud image size exceeds the floppy disk size Copy the image file to any linux system The image files are megasr 14 00 0722 2010 1 sles11 sp1 x86 img for 32 bit SLES11 SP1 megasr 14 00 0722 2010 1 sles11 sp1 x86 64 imgfor64 bit SLES11 SP1 Create a directory for example mkdir image Mountthe dud image on the image directory using the following command mount oloop megasr 14 00 0722 2010 1 slesli1 spl arch img image Change the directory to image for example cd image Copy the contents of the image directory to a USB drive Contents of the image start with the 01 directory so copy the 01 directory to USB drive Usethe USB drive to provide the third party driver during the operating system installation Enter the following command while installing the driver brokenmodules ahci Make sure the USB drive is formatted before using it for operating system installation using DUD images m This package has limitations on RHEL4 x 64 bit platforms For RHEL4 x 64 bit platform operating system installation using the SWR DUD images there are two images Use the default DUD image for 2 6 x xx EL and 2 6 x xx ELsmp kernels and use ext DUD image for 2 6 x xx EL and 2 6 x xx ELlargesmp kernels LSI Corporation 19 Embedded MegaRAID Software User Guide March 2012 2 2 7 Installing the SuSE Linux Enterprise Serv
63. OTE If you are using the Linux operating system you must install the Firefox browser or the Mozilla SJ browser for the MegaRAID Storage Manager Online Help to display LSI Corporation 79 Embedded MegaRAID Software User Guide Chapter 7 Configuration March 2012 Creating a New Storage Configuration Chapter 7 Configuration This chapter explains how to use MegaRAID Storage Manager to create and modify storage configurations on LSI RAID controllers The LSI RAID controllers support RAID 0 RAID 1 RAID 5 and RAID 10 storage configurations The Configuration Wizard allows you to create new storage configurations and modify the configurations To learn more about RAID and RAID levels see Section 1 2 RAID Overview on page 9 NOTE You cannot create or modify a storage configuration unless you are logged on to a server with S administrator privileges 7 1 Creating a New Storage Configuration You can use the MegaRAID Storage Manager to create new storage configurations on systems with LSI RAID controllers You can create the following types of configurations Simple configuration specifies a limited number of settings and has the system select drives for you This option is the easiest way to create a virtual drive Advanced configuration lets you choose additional settings and customize virtual drive creation This option provides greater flexibility when creating virtual drives for your specific requirements This sectio
64. OVERY Disabled Create CacheCade SSD Caching How to create virtual drive CacheCade SSD Caching Disabled Load configuration How to enable MegaRAID A Drive security Disabled Update firmware Glossary Unconfigured good spin down Disabled Silence alarm Hot spare spin down Disabled Disabled kd g Information 2011 03 22 16 24 55 Controller ID 0 Properties updated on VD 0 Default Write Policy Write Through Disk Cache Policy Disable Current Write Policy Write Through 7 Information 2011 03 22 16 24 55 Controller ID 0 Policy change on VD O Current Default Write Policy Write Through Disk Cache Policy Disable Current Write Policy Write g 2011 03 22 16 24 37 Controller ID 0 Properties updated on VD 0 Default Read Policy No Read Ahead Default Write Policy Write Back for failed or missing battery Dis 5 2011 03 22 16 24 37 Controller ID 0 Policy change on VD 0 Current Default Read Policy No Read Ahead Default Write Policy Write Back for failed or missing ba 4 2011 03 22 16 Successful log on to the server User administrator Client 169 254 109 128 Access Mode Full Client Time 2011 03 22 16 23 15 3 tion 2011 03 22 4 Controller ID 0 VDisnow OPTIMAL VD 0 ur a OON as 2 information 2011 03 22 16 22 14 Controller 1D 0 Image version 14 02 0222 2011 1 Information 2011 03 22 16 22 14 Controller ID 0 Firmware initialization started P
65. Ox00f0 240 Information VDs missing at boot s Ox00f1 241 Information Previous configuration completely missing at boot Ox00f2 242 Information Battery charge complete 0x00f3 243 Information Enclosure 96s fan 96d speed changed Ox00f4 244 Information Dedicated spare s imported as global due to missing arrays Ox00f5 245 Information s rebuild not possible as SAS SATA is not supported in an array Ox00f6 246 Information SEP s has been rebooted as a part of enclosure firmware download SEP will be unavailable until this process completes 0x00f7 247 Information Inserted 96s Info 96s 0x00f8 248 Information Removed s Info s Ox00f9 249 Information 96s is now OPTIMAL Ox00fa 250 Warning 96s is now PARTIALLY DEGRADED OxOOfb 251 Caution 96s is now DEGRADED Ox00fc 252 Fatal 96s is now OFFLINE Ox00fd 253 Warning Battery requires reconditioning please initiate a LEARN cycle Ox00fe 254 Warning VD s disabled because RAID 5 is not supported by this RAID key OxOOff 255 Warning VD 96s disabled because RAID 6 is not supported by this controller LSI Corporation Confidential 2121 Embedded MegaRAID Software User Guide March 2012 Table 49 Event Messages Continued Appendix A Events and Messages Number Hex eee Type Event Text 0x0100 256 Warning VD s disabled because SAS drives are not supported by this RAID key 0x0101 257 Warning PD mi
66. RAID Software User Guide Chapter 2 Driver Installation March 2012 2 2 2 2 2 2 3 Linux Driver Installation Preparing Installation Disks with the Linux Operating System Under Red Hat Linux and SuSE Linux you can use a driver diskette utility to create disk images from image files Perform the following steps to create the driver update disk PWNS st Copy the driver update disk image dud driver version img toa Linux system Insert a blank floppy diskette into the floppy drive Confirm that the files are in the selected directory Create the driver update diskette using the following command dd if dud driver version img of dev fd0 After the command prompt returns and the floppy disk drive LED goes out remove the diskette Label the diskette with the image name Installing the Red Hat Linux Driver on a New System This section describes the fresh installation of the Red Hat Enterprise Linux 4 5 or 6 device driver on systems with the Embedded MegaRAID Software stack After you prepare the installation disks with the driver image perform the following steps to install the driver on a new system 1 Boot to CD ROM Disk 1 The Red Hat introductory screen appears Type the following at the boot prompt linux dd noprobe it depends on the number of drives For example to install Red Hat Linux on a RAID 5 configuration with three drives enter linux dd noprobe atal noprobe ata2 noprobe ata3 Press Enter
67. TA 232 886 GB Online Slot 2 SATA 232 886 GB Online 231 898 GB Power Status Optical Drive 4 Unknown HLDTSTDVDRAM Temperature 232 886 GB Revision Level WD2502ABYS2387A Media Error Count ATA Pred Fail Count 0 Slot Number Online Drive Security Properties Drive Speed Full Disk Encryption capable Negotiated Link Speed Data Protection Properties SCSI Device Type is Data Protection ay _ Error Level Date Time Description E Displaying log from server ej apa zia lel ne The information on this panel is self explanatory There are no user selectable properties for physical devices Icons for other storage devices such as CD ROM drives and DAT drives can also appear in the left panel LSI Corporation 103 Embedded MegaRAID Software User Guide Chapter 8 Monitoring System Events and Storage Devices March 2012 8 5 Running a Patrol Read If the drives are in a drive enclosure you can identify which drive is represented by each drive LED on the enclosure Follow these steps to locate the drive 1 Click the drive icon in the left panel 2 Click Go To gt Physical Drive gt Start Locating Drive The LED on the drive in the enclosure starts blinking to show its location N NOTE LEDs on drives that are global hot spares do not blink 3 To stop the drive LED on the enclosure from blinking select Go To gt Physical Drive gt Stop Locating Drive
68. To display a graphical view of a drive click a drive icon in the left panel of the MegaRAID Storage Manager main menu screen and click the Graphical View tab In Graphical View the drive s storage capacity is color coded according to the legend shown on the screen Configured space is blue m Available space is white m Reserved space is red When you select a virtual drive from the drop down menu the drive space used by that virtual drive appears in green Running a Patrol Read A patrol read periodically verifies all sectors of drives connected to a controller including the system reserved area in the RAID configured drives A patrol read can be used for all RAID levels and for all hot spare drives This operation is initiated only when the controller is idle for a defined time period and has no other background activities You can set the patrol read properties and start the patrol read operation or you can start the patrol read without changing the properties To set the patrol read properties and then start a patrol read follow these steps 1 Clicka controller icon in the left panel of the MegaRAID Storage Manager main menu screen 2 Select Go To Controller Set Patrol Read Properties Figure 61 Start Patrol Read Menu E MegaRAID Storage Manager 8 17 2000 Manage Go To Log Tools Help Start Patrol Read Set Patrol Read Properties Load Configuration Save Configuration Clear Configuration Set Adjustab
69. Virtual Drive option appears in the Actions section of the Dashboard as shown in the following figure Figure 40 Virtual Drive Creation Menu MegaRAID Storage Manager 8 17 2000 Manage GoTo Log Tools Help SS OE MO Welcome administrator Full Access Log Off Dashboard Physical Logical Actions Help Disabled Create virtual drive How to use MSM MegaRAID RECOVERY Disabled Create CacheCade SSD Caching How to create virtual drive CacheCade SSD Caching Disabled Load configuration How to enable MegaRAID A Drive security Disabled Update firmware Glossary Unconfigured good spin down Disabled Silence alarm Hot spare spin down Disabled Disabled B e Information 2011 03 22 16 24 55 Controller ID 0 Properties updated on VD 0 Default Write Policy Write Through Disk Cache Policy Disable Current Write Policy Write Through 7 Information 2011 03 22 16 24 Controller ID 0 Policy change on VD 0 Current Default Write Policy Write Through Disk Cache Policy Disable Current Write Policy Write 6 Information 2011 03 22 16 Controller ID 0 Properties updated on VD 0 Default Read Policy No Read Ahead Default Write Policy Write Back for failed or missing battery Dis 5 2011 03 22 16 Controller ID 0 Policy change on VD O Current Default Read Policy No Read Ahead Default Write Policy Write Back for failed or missing ba
70. a E e E pens 112 9 3 Scanning for NEW DIVES MT m 113 9 4 Rebuilding a Drive 02 iia onca cin ches E E TAE EEO deen ebnaebeag mrad wel aoue ORE EE 113 9 5 Making a Drive Offline Or MISSING i ere re ERROR RESET FEE EEA TEE eaae S Lae KG RE VOD E WERKE EN UE MAR nese 114 Appendix A Events and Messages cccccccccccce nec n een eee e tence nese cena heh nnn nnn 115 LSI Corporation 6 Embedded MegaRAID Software User Guide Chapter 1 Overview March 2012 Embedded MegaRAID Software Features Chapter 1 Overview This manual explains the features of the Embedded MegaRAID Software It includes instructions for using the LSI Software RAID configuration utility the MegaCLI command line utility and the MegaRAID Storage Manager configuration utility You can use these three utilities to create RAID storage configurations on drives controlled by Embedded MegaRAID Software The manual also includes instructions for installing the Embedded MegaRAID Software drivers in Microsoft Windows systems and Linux systems 1 1 Embedded MegaRAID Software Features The Embedded MegaRAID Software supports up to eight ports depending on the hardware platform This provides a cost effective way to achieve higher transfer rates and reliability The following sections list the features available for devices RAID error handling drivers BIOS Ctrl M configuration utility and RAID disk management 1 1 1 De
71. a that is on the virtual drive before you delete it Be sure that the A operating system is not installed on this virtual drive You can delete virtual drives to rearrange the storage space To delete a virtual drive follow these steps Back up all user data that is on the virtual drive you want to delete 2 Onthe MegaRAID Storage Manager main menu screen select the Logical tab and click the icon of the virtual drive you want to delete 3 Select Go To gt Virtual Drive gt Delete Virtual Drive When the warning messages appear click Yes to confirm that you want to delete the virtual drive N NOTE You are asked twice whether you want to delete a virtual disk to avoid deleting the virtual disk by mistake LSI Corporation 92 Embedded MegaRAID Software User Guide Chapter 8 Monitoring System Events and Storage Devices March 2012 Monitoring System Events Chapter 8 Monitoring System Events and Storage Devices This chapter explains how to use MegaRAID Storage Manager to monitor the status of drives virtual drives and other storage devices 8 1 Monitoring System Events The MegaRAID Storage Manager utility monitors the activity and performance of all controllers in the system and the storage devices connected to them When an event occurs such as the creation of a new virtual drive or the removal of a drive an event message appears in the log at the bottom of the MegaRAID Storage Manager main menu screen as shown in the
72. aRAID Storage Manager Screen and Menus March 2012 MegaRAID Storage Manager Main Menu Screen 6 2 1 2 Physical View The Physical view shows the hierarchy of physical devices in the system At the top of the hierarchy is the system itself followed by the controller and the backplane One or more controllers are installed in the system The controller label identifies the controller so that you can easily differentiate between multiple controllers Each controller has one or more ports Drives and other devices are attached to the ports The properties for each device appear in the right panel of the screen under the Properties tab The following figure shows the Physical view and the Properties tab Figure 34 MSM Physical View MegaRAID Storage Manager 8 17 2000 E le x Manage GoTo Log Tools Help iTS OESO n LSI Welcome administrator Full Access Loa Off Dashboard Physical Logical in Slot 1 SATA 232 886 GB Onlin 2 Slot 2 SATA 232 886 GB Unconfigured Good Power savings on hot spares Optical Drive 4 Unknown HLDTSTDVDRAM Power savings on unconfigured drives e e Backend SAS Address 0 Backend SAS Address 1 Backend SAS Address 2 Backend SAS Address 3 Backend SAS Address 4 Backend SAS Address 5 Cluster Enable Cluster Active SSD Guard Drive Security Properties Drive security capable LSI Corporation 76 Embedded MegaRAID Software User Guide Chapter 6 Meg
73. aRAID Storage Manager Screen and Menus March 2012 MegaRAID Storage Manager Main Menu Screen 6 2 1 3 Logical View The Logical view shows the hierarchy of controllers virtual drives and the drives and drive groups that make up the virtual drives The properties for these components appear in the right panel under the Properties tab The following figure shows the Logical view Figure 35 MSM Logical View torage Manager 8 17 2000 Lsis lj WIN AEC34GFELOU E LSI Embedded MegaRAID Bus 0 Dev 31 Slot 0 SATA 232 886 GB Online Slot 1 SATA 232 886 GB Online Drives Slot 2 SATA 232 886 GB Unconfigured Good controller ID 0 Properties updated on VD 0 Default Write Policy Write Through Disk Cache Policy Disable Current Write Policy Write Through Controller ID 0 Policy change on VD O Current Default Write Policy Write Through Disk Cache Policy Disable Current Write Policy Writ 2011 03 22 16 24 37 Controller ID 0 Properties updated on VD 0 Default Read Policy No Read Ahead Default Write Policy Write Back for failed or missing battery 2011 03 22 16 24 37 Controller ID 0 Policy change on VD 0 Current Default Read Policy No Read Ahead Default Write Policy Write Back for failed or missing Fuccenaf log on ta th vere administrator Client 169 254 109 128 Access Mode Full Client Time 2011 03 22 16 23 15 anivallar Ths n VA ie new OPTIMA WN N LSI
74. aRAID Storage Manager to start The Windows Firewall sometimes blocks the operation of programs that use Java To start MegaRAID Storage Manager on a Red Hat Linux system select Applications gt System Tools gt MegaRAID Storage Manager StartupUI To start MegaRAID Storage Manager on a SUSE Linux SLES system select Start gt System gt More Programs MegaRAID Storage Manager When the program starts the Select Server window appears as shown in the following figure The remote servers display along with their IP address operating system and health status Figure 30 Select Server Window MegaRAID Storage Manager 2 76 Host View Server Details This page displays all the servers that were discovered Choose a server and click on Login to start managing that server You will be prompted For entering host credentials while logging in Use Configure Host to configure the hosts that you want to view IP Address 135 24 228 192 Discover Host Discover Configure Host Remote servers Host IP Address Operating System Health hary 135 24 220 170 Windows 2003 Jui Optimal Windows 2003 Q Optimal Optimal Qe Imsmtespc idhcp 135 24 228 131 lsi com lsi 77e242f1e84 228 135 Windows 2003 dhcp 135 24 228 192 228 192 Sus WIN AQ1JMAMSZUS 135 24 228 138 Windows Server 2008 Q Optimal 10 Server s Found Discovery stopped LSI Corporation 72 Embedded
75. ace used Type MegaCLI under Microsoft Windows and Linux Specifies or meaning you can choose between options aN N specifies the adapter number for the command a0 1 2 Specifies the command is for adapters 0 1 and 2 You can select two or more controllers in this manner aALL Specifies the command is for all adapters Lx x specifies the virtual drive number for the command L0 1 2 Specifies the command is for virtual drives 0 1 and 2 You can select two or more virtual drives in this manner Lall Specifies the command is for all virtual drives E0 S0 E1 S1 Specifies when one or more physical devices need s to be specified in the command line Each E S pair specifies one physical device where E means device ID of the enclosure in which a drive resides and S means the slot number of the enclosure Indicates that the parameter is optional Indicates that the parameters are grouped and that they must be given at the same time Force Specifies that the MegaCLI utility does not ask you for confirmation before it performs this command You might lose data using this option with some commands LSI Corporation 51 Embedded MegaRAID Software User Guide Chapter 4 MegaCLI Command Tool March 2012 4 5 4 5 1 4 5 2 Adapter Commands You can specify the Silent command line option for all possible functions of the MegaCLI CT If you enter this option
76. ailed drive if the drives capacity is even 1 byte smaller than the defined capacity S of the drive group Follow these steps to rebuild a drive 1 Onthe Management Menu screen highlight Rebuild and press Enter 2 When the list of drives appears highlight the failed FAIL drive that you want to rebuild and press the spacebar to select it 3 After you select the drive press F10 to start the rebuild and then select Yes at the confirmation prompt The rebuild process begins and a graph shows the progress of the rebuild until it is complete Although the CU changes the disk drive state to Rebuild at this point the change does not appear on the screen while the rebuild is in progress If the CU detects a media error on the source drive during rebuild it initiates a sector read for that block If the sector read fails the CU adds entries to the Soft Bad Block Management SBBM table writes this table to the target drive and displays an error message Additional error messages appear if the SBBM table is 80 percent full or 100 percent full If the SBBM table is completely full the rebuild operation is aborted and the drive is marked as FAIL When the rebuild is complete the CU displays the message that the rebuild is successful Press Esc to display the Management Menu screen The state of the rebuilt disk drive changes from FAIL to ONLIN If you press Esc while the rebuild is running the following options display Stop
77. ame Virtual Drive BBU Delete Virtual Drive Set Virtual Drive Properties Start Locating Virtual Drive d piv Defines virtual disk operation parameters lij WIN AEC34GFELOU LSI Embedded MegaR Start Consistency Check Drive Group 0 Rs Start Initialization amp Virtual Drive s Virtual Drive 0 231 89 Drives i Slot 0 SATA 232 886 GB Online A Slot 1 SATA 232 886 GB Online Drive Group 1 RAID 0 amp Virtual Drive s i Virtual Drive 1 MegaSR RO 1 231 89 Drives i Slot 2 SATA 232 886 GB Online The Set Virtual Drive Properties dialog box appears as shown in the following figure Figure 48 Set Virtual Drive Properties Screen x LSI Description Defines virtual disk operation parameters Nam ts Read Policy No Read Ahead Y Write Policy Write Through X IO Policy Direct IO Access Policy Read Write Background Tnitialization Disablec X ea Rea 3 Change the virtual drive properties as needed For information about these properties see Section 7 1 1 Selecting Virtual Drive Settings on page 80 4 Click Ok to accept the changes The virtual drive settings are updated LSI Corporation 91 Embedded MegaRAID Software User Guide Chapter 7 Configuration March 2012 Deleting a Virtual Drive 7 4 Deleting a Virtual Drive CAUTION Be sure to back up the dat
78. an ongoing CC on the virtual drive s ShowProg Displays a snapshot of an ongoing CC m ProgDsply Displays ongoing CC progress until at least one CC is completed or a key is pressed View Ongoing Background Initialization Use the command in Table 26 to view ongoing background initialization of the selected virtual drives after the LDInit command has been issued to start the initialization This function completes only when all background initialization processes complete or the user presses a key to exit N NOTE This command is not supported in DOS Table 26 View Ongoing Background Initialization Syntax MegaCLI LDBI Enbl Dsbl GetSetting ShowProg ProgDsply Lx L0 1 2 Lall aN a0 1 2 aALL Description Displays ongoing background initialization of the selected virtual drives This function completes only when all background initialization processes complete or the user presses a key to exit m Enbl Dsb1 Enables or disables the background initialization on the given adapter s m ProgDsply Allows the user to view ongoing background initialization until all background initialization processes complete or the user presses a key to exit m ShowProg Displays current progress value m GetSetting Displays current background initialization setting enabled or disabled Display Virtual Drive and Physical Drive Information Use the command in Table 27 to display inform
79. arch 2012 9 Highlight Accept and press Enter after you select your virtual drive parameters The virtual drive configuration appears as shown in the following screen Figure 12 Virtual Drive Configuration Parameters System Console UR E om ae software RAID Configuration Utility Ver A 6 Uersior 09 07211059R 10 Press any key to continue 11 Click Yes at the prompt to save the configuration Creating a Storage Configuration The LSI Software RAID Configuration Utility begins a background initialization of the virtual drives New RAID 5 virtual drives require a minimum number of drives for a background initialization to start If there are fewer drives than the minimum the background initialization will not start LSI Corporation 29 Embedded MegaRAID Software User Guide Chapter 3 LSI Software RAID Configuration Utility March 2012 Creating a Storage Configuration 3 5 3 Using New Configuration If you select New Configuration the CU deletes the existing configuration information on the selected controller when it saves the new configuration Follow these instructions to create a configuration with Easy Configuration either with or without redundancy 1 Onthe Management Menu screen highlight Configure with your cursor and press Enter The Configuration Menu screen appears as shown in the following figure Figure 13 Configuration Menu Screen System Console software RAID Configuration Utility Uer 8
80. at the command line no messages appear on the screen Adapter Commands You can use the commands in this section to set or display properties related to the adapter s NOTE The Embedded MegaRAID Software drivers function as virtual adapters or controllers Because the SJ drivers are not actual hardware components some of the adapter parameters do not apply to them Display Adapter Information Use the command in Table 5 to display information on adapter parameters such as the number of virtual drives and initiator ID Table 5 Display Adapter Information Syntax MegaCLI AdpAllInfo aN a0 1 2 aALL Description Displays parameters on the selected adapter s Displayed information includes initiator ID current status of auto rebuild alarm number of virtual drives rebuild rate bus number device number present RAM settings serial number of the board and address Enable or Disable Automatic Rebuild Use the command in Table 6 to turn automatic rebuild on or off for the selected adapter s If you have configured hot spares and enabled automatic rebuild the RAID adapter automatically tries to use them to rebuild failed disks Automatic rebuild also controls whether a rebuild starts when a drive that was part of the array is reinserted Table 6 Enable or Disable Automatic Rebuild Syntax MegaCLI AdpAutoRbld Enbl Dsbl Dsply aN a0 1 2 aALL Description Enables or disables automatic rebuild o
81. ation 65 Embedded MegaRAID Software User Guide Chapter 4 MegaCLI Command Tool March 2012 Miscellaneous Commands 4 10 Miscellaneous Commands The commands in this section are used to display various information about the MegaCLl utility 4 10 1 Display Version Information Use the command in Table 42 to display the version number of the MegaCLI utility the version of the device driver the firmware versions for the attached physical device and the enclosure Table 42 Display MegaCLI Version Syntax MegaCLI v Cli Ctrl Driver Pd aN Description Displays the firmware versions and the other code levels installed on the controller the MegaCLl version the version of the device driver the firmware versions for the attached physical device and the enclosure in a list as location information model string and firmware version 4 10 2 Display MegaCLI Version Use the command in Table 43 to display the version number of the MegaCLI utility Table 43 Display MegaCLI Version Syntax MegaCLI v Description Displays the version number of the MegaCLl utility 4 10 3 Display Help for the MegaCLI Utility Use the command in Table 44 to display help information for the MegaCLIl utility Table 44 Display MegaCLI Help Syntax MegaCLI h Help Description Displays help for the MegaCLl utility 4 10 4 Display Summary Information Use the command in Table 45 to display help in
82. ation about the virtual drives and physical disk drives for the selected adapter s such as the number of virtual drives RAID level and physical disk drive size Table 27 Display Virtual Drive and Physical Disk Drive Information Syntax MegaCLI LDPDInfo aN a0 1 2 aALL Description Displays information about the virtual drive s and physical disk drive s on the selected adapter s Displays information including the number of virtual drives the RAID level of the virtual drives and physical drive size information which includes the raw size coerced size uncoerced size and address LSI Corporation 61 Embedded MegaRAID Software User Guide Chapter 4 MegaCLI Command Tool March 2012 4 8 7 4 9 4 9 1 4 9 2 4 9 3 Drive Commands Display Number of Virtual Drives Use the command in Table 28 to display the number of virtual drives attached to the adapter Table 28 Display Number of Virtual Drives Syntax MegaCLI LDGetNum aN a0 1 2 aALL Description Displays the number of virtual drives attached to the adapter The return value is the number of virtual drives Drive Commands You can use the commands in this section to select settings for the drives and perform actions on them Display Drive Information Use the command in Table 29 to display information about the drives on the selected adapter s Table 29 Display Physical Disk Drive Information Syntax MegaCLI PD
83. bedded MegaRAID Software User Guide Chapter 8 Monitoring System Events and Storage Devices March 2012 8 4 Monitoring Drives Most of the information on this screen is self explanatory Note that the Rebuild Rate Patrol Read Rate Reconstruction Rate Consistency Check Rate and BGI Rate background initialization are all user selectable For more information about these rates see Section 7 2 Changing Adjustable Task Rates on page 89 The controller properties are defined in Appendix A Events and Messages on page 115 Monitoring Drives When MegaRAID Storage Manager is running you can see the status of all drives in the left panel of the MegaRAID Storage Manager main menu screen If the drive is operating normally its icon looks like this Ge If the drive has failed a small red circle appears to the right of the icon like this qj See Section 6 2 1 Dashboard Physical View Logical Views on page 75 for a complete list of device icons To display complete drive information click a drive icon in the left panel of the MegaRAID Storage Manager main menu screen The drive properties appear in the right panel as shown in the following figure Figure 60 Drive Information MegaRAID Storage Manager 8 17 2000 E 18 xl Manage GoTo Log Tools Help i e2oO8kwO Welcome administrator Full Access Log Off Dashboard Physical Logical I WIN AEC34GFELOU E LSI Embedded MegaRAID Bus 0 Dev 31 VC B Online Slot 1 SA
84. cating Virtual Drive LSI Corporation 107 Embedded MegaRAID Software User Guide Chapter 8 Monitoring System Events and Storage Devices March 2012 8 7 8 8 Monitoring Enclosures Monitoring Enclosures When MegaRAID Storage Manager is running you can see the status of all enclosures connected to the server by selecting the Physical tab in the left panel If an enclosure is operating normally the icon looks like this ag If the enclosure is not functioning normally for example if a fan has failed a small yellow or red circle appears to the right of the icon Monitoring Rebuilds and Other Processes MegaRAID Storage Manager allows you to monitor the progress of rebuilds and other lengthy operations in the Group Show Progress window Follow these steps to monitor the progress of these operations 1 Select Manage gt Show Progress on the menu bar as shown in the following figure Figure 64 Group Show Progress Menu MegaRAID Storage Manager 8 17 2000 Manage GoTo Log Tools Help Refresh FS Q Server Check Consistency Initialize Show Progress gt Properties General E Virtual Drive s f Virtual Drive 0 231 898 GB Optimal Total Capacity B Drives Slot 0 SATA 232 886 GB Online Free Capacity Slot 1 SATA 232 886 GB Online E Drive Group 1 RAID 0 El ig Virtual Drive s LSI Corporation 108 Embedded MegaRAID Software User Guide Chapter 8 Mo
85. change the current configuration Select View Only if you need to only view and monitor the current configuration NOTE If the computer is connected to a network this procedure is the login to the computer itself not SJ the network login Enter the root administrator user name and password to use the Full Access mode N NOTE In Linux users belonging to the root group can log in You do not have to be the user root If your user name and password are correct for the Login mode you have chosen the MegaRAID Storage Manager main menu appears LSI Corporation 73 Embedded MegaRAID Software User Guide Chapter 6 MegaRAID Storage Manager Screen and Menus March 2012 MegaRAID Storage Manager Main Menu Screen 6 2 MegaRAID Storage Manager Main Menu Screen This section describes the MegaRAID Storage Manager main menu screen which is shown in the following figure Figure 32 MegaRAID Storage Manager Main Menu Screen MegaRAID Storage Manager 8 17 2000 18 x Manage GoTo Log Tools Help SOE MO n Lsis Welcome administrator Full Access Loa Off Power savings on unconfigured drives Slot 1 SATA 232 886 GB Online Slot 2 SATA 232 886 GB Unconfigured Good Power savings on hot spares Optical Drive 4 Unknown HLDTSTDVDRAM Backend SAS Address 0 Backend SAS Address 1 Backend SAS Address 2 Backend SAS Address 3 Backend SAS Address 4 Backend SAS Address 5 Cluster Enable Cluster
86. che Policy Disable Current Write Policy Write Through Information 2011 03 22 16 24 55 Controller ID 0 Policy change on VD O Current Default Write Policy Write Through Disk Cache Policy Disable Current Write Policy Write Information 2011 03 22 16 24 37 Controller 1D 0 Properties updated on VD 0 Default Read Policy No Read Ahead Default Write Policy Write Back for failed or missing battery Dis information 2011 03 22 16 Successful log on to the server User administrator Client 169 254 109 128 Access Mode Full Client Time 2011 03 22 16 23 15 Information 2011 03 22 16 Controller 1D 0 VDisnow OPTIMAL VD 0 Dinformation 2011 03 22 16 Controler ID 0 Image i 14 02 Information 2011 03 22 16 e 7 o 5 Information 2011 03 22 16 24 37 Controller ID 0 Policy change on VD O Current Default Read Policy No Read Ahead Default Write Policy Write Back for failed or missing ba la 3 2 1 Controller ID 0 Image version 14 02 0222 2011 Controller ID 0 Firmware initialization started PCIID 0x8086 0x2822 0x1014 0x3a20 Displaying log from server z Ae Aea zel Pao Sem LSI Corporation 93 Embedded MegaRAID Software User Guide Chapter 8 Monitoring System Events and Storage Devices March 2012 Monitoring System Events Each message that appears in the event log has a severity level that indicates the importance of the event as shown in Table 4
87. ction Rate 9 5 30 Ok Cancel al al dal 3 Enter changes as needed to the following task rates Rebuild Rate Patrol Read Background Initialization BGI for fast initialization Check Consistency for consistency checks Reconstruction Chapter 7 Configuration Changing Virtual Drive Properties Each task rate can be set from 0 to 100 percent The higher the number the faster the activity runs in the background possibly impacting other system tasks Click OK to accept the new task rates 5 When the warning message appears click OK to confirm that you want to change the task rates 7 3 Changing Virtual Drive Properties You can change the read policy the write policy and the other virtual drive properties at any time after a virtual drive is created Follow these steps to change the virtual drive properties 1 Select a virtual drive icon in the Physical tab or the Logical tab in the left panel of the MegaRAID Storage Manager main menu screen LSI Corporation 90 Embedded MegaRAID Software User Guide Chapter 7 Configuration March 2012 Changing Virtual Drive Properties 2 Select Go To gt Virtual Drive gt Set Virtual Drive Properties from the menu bar as shown in the following figure Figure 47 Set Virtual Drive Properties Menu E MegaRAID Storage Manager 8 17 2000 Manage GoTo Log Tools Help Controller b Q Drive Group P Physical Drive b a Eee Ren
88. ctions that you must follow when you install the operating system drivers for various operating systems Operating System Using DUD Images Follow these steps when you install the operating system using DUD images m For SLES 32 bit and 64 bit platforms Enter brokenmodules ahci while installing the driver m For SLES 11 SP2 32 bit and 64 bit platforms Enterbrokenmodules ahci brokenmodules isci while installing the driver m For RHEL 6 GA 32 bit and 64 bit platform operating system installation using the SWR DUD images While booting from DVD press ESC so you can install the third party driver Enter the following command to install the driver Linux dd blacklist ahci m For RHEL6 1 GA and RHEL 6 2 GA 32 bit and 64 bit platform operating system installation using the SWR DUD images follow these steps While booting from DVD press ESC so you can install the third party driver Enter the following command to install the driver Linux dd blacklist isci blacklist ahci nodmraid m For RHEL 57 GA 32 bit and 64 bit platform operating system installation using the SWR DUD images follow these steps While booting from DVD press ESC so you can install the third party driver Enter the following command to install the driver Linux dd blacklist isci blacklist ahci m For all SLES platforms 32 bit and 64 bit platform operating system installation using the SWR DUD images follow the steps in this example for S
89. data will be needed soon Read ahead capability speeds up reads for sequential data but there is little improvement when accessing random data LSI Corporation 80 Embedded MegaRAID Software User Guide Chapter 7 Configuration March 2012 Creating a New Storage Configuration Write policy Specify the write policy for this virtual drive Write Through In this mode the controller sends a data transfer completion signal to the host when the drive subsystem has received all of the data in a transaction This option eliminates the risk of losing cached data in case of power failure Always Write Back In this mode the controller sends a data transfer completion signal to the host when the controller cache has received all of the data in a transaction I O policy The I O policy applies to reads on a specific virtual drive It does not affect the read ahead cache Direct IO the default In this mode reads are not buffered in cache memory Data is transferred to the cache and the host concurrently If the same data block is read again it comes from cache memory Cached IO provides faster processing and Direct IO ensures that the cache and the host contain the same data m Access policy Select the type of data access that is allowed for this virtual drive Read Write the default Allow read write access This setting is the default Read Only Allow read only access Blocked Do not allow access Disk cache
90. drive a message appears stating that a Check Consistency cannot be SJ performed To continue deselect the virtual drive highlight a redundant virtual drive and press the spacebar again Press F10 Atthe prompt select Yes to start the Check Consistency process and press Enter A graph shows the progress of the Check Consistency operation until it is complete If the LSI Software RAID CU finds any data inconsistencies while comparing the source drive and the target drive the utility fixes the inconsistency by writing the source data to the target drive When this happens a message notifies you that inconsistent data exists on the drives and that the repair has been performed If you press Y the program skips the bad block and continues If you press N the program aborts the consistency check The same message appears if the program finds a hard media error on the target drive If you press Esc while a Check Consistency is running the following options appear Stop Available only if AutoResume is enabled on the adapter Management Menu gt Objects gt Adapter gt AutoResume The Check Consistency is stopped and the CU stores the percentage of the task already completed If AutoResume is enabled the Check Consistency resumes where it left off when you restart it instead of starting over from 0 percent Continue The Check Consistency continues normally Abort The Check Consistency is completely aborted If you res
91. duplicates all data from one drive to a second drive RAID 1 provides complete data redundancy but at the cost of doubling the required data storage capacity Uses Databases or any other mission critical environment that requires fault tolerance Strong Points Provides complete data redundancy RAID 1 is ideal for any application that requires fault tolerance Weak Points Requires twice as many drives performance is impaired during drive rebuilds Drives Two LSI Corporation 10 Embedded MegaRAID Software User Guide March 2012 1 2 3 Chapter 1 Overview RAID Overview The following figure shows a RAID 1 drive group Figure 2 RAID 1 Drive Group Segment 1 Segment 1 Duplicated Segment 2 Segment 2 Duplicated Segment 3 Segment 3 Duplicated Segment 4 Segment 4 Duplicated RAID 5 Description RAID 5 includes disk striping at the block level and parity Parity is the data s property of being odd or even and parity checking is used to detect errors in the data In RAID 5 the parity information is distributed to all drives RAID 5 is best suited for networks that perform a lot of small input output I O transactions simultaneously N NOTE RAID 5 is a premium feature You might need to install a software key to enable RAID 5 The key you need depends on your supplier Contact your supplier for more information RAID 5 addresses the bottleneck issue for random I O operations Because each drive contains
92. e Parity is distributed across all drives in the drive group RAID 10 Description Segment 5 Parity 6 10 Segment 11 Segment 17 Segment 23 Segment 29 HF X 2 Parity 1 5 Segment 6 Segment 12 Segment 18 Segment 24 Segment 30 Chapter 1 Overview RAID Overview RAID 10 a combination of RAID 1 and RAID O has mirrored drives It breaks up data into smaller blocks and then stripes the blocks of data to each RAID 1 RAID set Each RAID 1 RAID set then duplicates its data to its other drive The size of each block is determined by the strip size parameter which is 64 KB RAID 10 can sustain one drive failure in each drive group while maintaining data integrity N NOTE On a RAID 10 drive group you can create only one virtual drive and that virtual drive must occupy the entire space of the RAID 10 drive group Uses Strong Points Works best for data storage that must have 100 percent redundancy of RAID 1 mirrored drive groups and that also needs the enhanced I O performance of RAID 0 striped drive groups RAID 10 works well for medium sized databases or any environment that requires a higher degree of fault tolerance and moderate to medium capacity Weak Points Requires twice as many drives Drives Four six or eight The following figure shows a RAID 10 drive group with four drives Figure 4 RAID 10 Drive Group ee Segment 1 Segment 1 Segment 2 Segment 2 Segment 3 Segment 3 Segment 4 Seg
93. e RAID Configuration Utility to configure RAID drive groups and virtual drives to create storage configurations Selecting the Configuration Method Easy Configuration automatically associates each drive group with one virtual drive Follow these steps to open the Configuration Menu screen and select a configuration method 1 Onthe Management Menu screen highlight Configure with your cursor and press Enter The Configuration Menu screen appears as shown in the following figure LSI Corporation Embedded MegaRAID Software User Guide Chapter 3 LSI Software RAID Configuration Utility March 2012 Creating a Storage Configuration Figure 7 Configuration Menu Screen System Console Softuare RAID Conf iguration Utility Ver A 62 Apr 29 2009 BIOS Version A 09 07211059R ion uration Wf iguration oot Drive Check Consistency 2 Select a configuration option Easy Configuration Automatically associates every drive group with one virtual drive New Configuration Clears the existing configuration and lets you create a new configuration View Add Configuration Retains the existing storage configuration and adds new drives to it this method does not cause any data loss Clear Configuration Clears the existing configuration CAUTION If you choose to clear the existing configuration or to create a new configuration the system A deletes all of the existing data in the configuration Make a backup of any data t
94. e commands in this section to select settings for the virtual drives and to perform actions on them 4 8 1 Display Virtual Drive Information Use the command in Table 22 to display information about virtual drives on the selected adapter s Table 22 Display Virtual Drive Information Syntax MegaCLI LDInfo Lx L0 1 2 Lall aN a0 1 2 aALL Description Displays information about the virtual drive s on the selected adapter s This information includes the name RAID level RAID level qualifier size in MB state stripe size number of drives and span depth It also displays activity progress if any including initialization background initialization and consistency check 4 8 2 Display Virtual Drive Disk Cache Settings Use the command in Table 23 to display the disk cache settings for the virtual drive s on the selected adapter s Table 23 Display Virtual Drive Cache Settings Syntax MegaCLI LDGetProp DskCache Lx L0 1 2 Lall aN a0 1 2 aALL Description Displays the disk cache settings of the virtual drive s m DskCache Displays physical drive cache policy NOTE Embedded MegaRAID Software does not support setting virtual drive parameters 4 8 3 Manage Virtual Drive Initialization Use the command in Table 24 to manage initialization of the virtual drive s on the selected adapter s N NOTE This command is not supported in DOS Table 24 Manage Virtual Drive Initial
95. e groups gg Unconfigured Capacity 231 898 GB Virtual Drive s More details s LA g Information 2011 03 22 16 24 55 Controller ID 0 Properties updated on VD 0 Default Write Policy Write Through Disk Cache Policy Disable Current Write Policy Write Through 7 Information 2011 03 22 16 24 55 Controller ID 0 Policy change on VD O Current Default Write Policy Write Through Disk Cache Policy Disable Current Write Policy Write 6 information 2011 03 22 16 24 37 Controller ID 0 Properties updated on VD 0 Default Read Policy No Read Ahead Default Write Policy Write Back for failed or missing battery Dis 5 Information 2011 03 22 16 24 37 Controller 1D 0 Policy change on VD 0 Current Default Read Policy No Read Ahead Default Write Policy Write Back for failed or missing ba 4 information 2011 03 22 16 23 15 Successful log on to the server User administrator Client 169 254 109 128 Access Mode Full Client Time 2011 03 22 16 23 15 3 Information 2011 03 22 16 22 14 Controller ID 0 VDisnow OPTIMAL VD O F n wr p 2 information 2011 03 22 16 22 14 Controller 1D 0 Image version 14 02 0222 2011 1 Information 2011 03 22 16 22 14 Controller 1D 0 Firmware initialization started PCIID 0x8086 0x2822 0x1014 0x3a20 Displaying log from server saj en Aea z EIS LSI Corporation 75 Embedded MegaRAID Software User Guide Chapter 6 Meg
96. e screen Special device icons appear on the screen to notify you of disk failures and other events that require immediate attention LSI Corporation Embedded MegaRAID Software User Guide Chapter 5 MegaRAID Storage Manager Overview and Installation March 2012 5 1 3 5 2 Hardware and Software Requirements Maintaining Storage Configurations You can use MegaRAID Storage Manager to perform system maintenance tasks such as running consistency checks on arrays that support redundancy Hardware and Software Requirements MegaRAID Storage Manager has the following hardware requirements m PC compatible computer with an IA 32 32 bit Intel Architecture processor or an EM64T 64 bit processor and at least 128 MB of system memory N NOTE LSI recommends that you use at least 1 GB of system memory m Physical drive with at least 50 MB available free space MegaRAID Storage Manager supports these operating systems Microsoft Windows Server 2003 2008 and 2008R2 Microsoft Windows Workstation 7 Microsoft Windows Vista Workstation Red Hat Enterprise Linux RHEL 5 and 6 SuSE Linux Enterprise Server SLES 10 and 11 with latest updates and service packs NOTE MegaRAID Storage Manager supports the RHEL6 operating system OS with a few prerequisites By SJ nature the RHEL6 OS default installation deploys only limited inbox libraries though it is shipped in the CD image for the full installation This design from the RHEL6 OS
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98. een and click the icon of the virtual drive that you want to initialize 2 Select Go To gt Virtual Drive gt Start Initialization The initialize dialog box appears 3 Select the virtual drive s to initialize CAUTION Initialization erases all data on the virtual drive Make sure to back up any data you want to A keep before you initialize Make sure the operating system is not installed on the virtual drive you are initializing 4 Select the Fast Initialization check box if you want to use this option If you leave the box unchecked MegaRAID Storage Manager runs a Full Initialization on the virtual drive For more information see Section 9 1 1 Running a Group Initialization on page 111 5 Click Start to begin the initialization You can monitor the progress of the initialization For more information see Section 8 8 Monitoring Rebuilds and Other Processes on page 108 LSI Corporation 110 Embedded MegaRAID Software User Guide Chapter 9 Maintaining and Managing Storage Configurations March 2012 Initializing a Virtual Drive 9 1 1 Running a Group Initialization Initialization prepares the storage medium for use You can run an initialization on multiple drives at one time Follow these steps to run a group initialization 1 Click Manage gt Initialize The Group Initialization appears as shown in the following figure Figure 66 Group Initialization Dialog Box f LSI LSI MegaRAID SAS 9260 8i Bus 2 Dev 0
99. er 9 10 or 11 Driver Chapter 2 Driver Installation Linux Driver Installation This section describes the fresh installation of the SuSE Linux Enterprise Server 9 10 or 11 driver on a system with the Embedded MegaRAID Software stack Prepare installation disks with the driver image and then perform the following steps to install the driver PWN gt oh Create a RAID drive group using one of the configuration utilities Boot the system using the SLES Disk When the first screen appears select Installation on the menu Type the following in the Boot Options field brokenmodules achi Press F6 for the driver and select Yes Insert the driver update diskette in the A drive and press Enter Yes appears under the F6 Driver heading Press OK The following message appears LSI Soft RAID Driver Updates added At the menu select the driver update medium and press the Back button Continue and complete the installation process LSI Corporation 20 Embedded MegaRAID Software User Guide Chapter 3 LSI Software RAID Configuration Utility March 2012 Performing a Quick Configuration Chapter 3 LSI Software RAID Configuration Utility 3 1 Use the LSI Software RAID Configuration Utility CU to configure disk drive groups and virtual drives and to perform other configuration tasks in a pre boot environment You can perform the following functions using the LSI Software RAID CU Select a configuration m
100. ethod for drive groups and virtuals drives Create drive groups Define virtual drives Initialize virtual drives Access controllers virtual drives and drive groups to view their properties Create hot spare drives Verify that the redundancy data in virtual drives using RAID level 1 5 and 10 is correct Rebuild failed drives Reconstruct virtual drives after changing RAID levels or adding a drive to a drive group Select a MegaRAID host adapter NOTE If the configuration utility does not display go into BIOS setup and disable Quick boot Fast boot Silent S boot Intel Rapid boot and Quick POST then reboot If still unable to access the configuration utility check for a system BIOS upgrade Performing a Quick Configuration This section provides high level instructions for quickly configuring drive groups and virtual drives with the LSI Software RAID CU These instructions are intended for users that are familiar with configuration utilities and tools See Section 3 4 Configuring Drive Groups and Virtual Drives on page 24 for detailed configuration instructions To ensure the best performance select the optimal RAID level for the virtual drive you create For an explanation of RAID levels see Section 1 2 RAID Overview on page 9 Perform the following steps to configure drive groups and virtual drives using the LSI Software RAID CU 1 Bootthe system 2 Press Ctrl M to start the LSI Software RAID CU 3 Select Configure o
101. eturn code which in these cases contains meaningful values LSI Corporation Embedded MegaRAID Software User Guide Chapter 4 MegaCLI Command Tool March 2012 Command Line Abbreviations and Conventions 4 4 Command Line Abbreviations and Conventions This section explains the abbreviations and conventions used with MegaCLI Configuration Utility commands 4 4 1 Abbreviations Used in the Command Line Table 3 lists the abbreviations for the virtual drive parameters used in the following sections Table 3 Command Line Abbreviations Abbreviation Description WB WriteBack write policy WT WriteThrough write policy ADRA Adaptive Read Ahead read policy RA Read Ahead read policy NORA Normal read policy No read ahead DIO Direct I O cache policy CIO Cached I O cache policy 4 4 2 Conventions You can specify multiple values for some options You can enter commands for a single adapter aN multiple selected adapters a0 1 2 or all adapters aALL These options are denoted as aN a0 1 2 aALLin the command line syntax used in this chapter Table 4 lists all of the conventions used in the command line options and specifies that you can enter commands for one controller multiple controllers or all controllers N NOTE All options in the MegaRAID Command Tool are position dependent unless otherwise specified Table 4 Conventions Convention Description MegaCLI Specifies the command line interf
102. f MegaRAID Storage Manager you are trying to install is already installed on the system m The installed version is newer This message indicates that a version of MegaRAID Storage Manager is already installed on the system and itis a newer version than the version you are trying to install m Exiting installation This message appears when the installation is complete RPM installation failed This message indicates that the installation failed for some reason Additional message text explains the cause of the failure LSI Corporation 271 Embedded MegaRAID Software User Guide Chapter 6 MegaRAID Storage Manager Screen and Menus March 2012 Starting MegaRAID Storage Manager Chapter 6 MegaRAID Storage Manager Screen and Menus This chapter explains how to start LSI Software RAID Configuration Utility and describes the LSI Software RAID Configuration Utility main menu screen and menus 6 1 Starting MegaRAID Storage Manager Follow these steps to start MegaRAID Storage Manager and view the main menu screen 1 Start the program using the method required for your operating system environment To start MegaRAID Storage Manager on a Microsoft Windows system select Start gt Programs gt MegaRAID Storage Manager gt StartupUI or double click the MegaRAID Storage Manager shortcut on the desktop NOTE If a warning appears stating that Windows Firewall has blocked some features of the program S click Unblock to allow Meg
103. f there is more than one virtual drive and press Enter The following screen appears Figure 25 Initializing a Virtual Drive Second Method Systen Console BIOS Version ir l Drive ff Managenen Ada Conf igure Initialize P Rebuild Check Consistency acu araneters Software RAID Configuration Utility Ver A 62 A 09 87211059R Apr iP 3 Highlight Initialize with your cursor on the virtual drive submenu and press Enter Select Yes at the prompt and press Enter The utility displays a bar graph showing the initialization progress 5 When initialization completes press Esc to return to the previous menu If you press Ese while initialization is in progress the Stop Continue and Abort options are available as explained in Section 3 8 1 First Initialization Method on page 39 LSI Corporation 40 Embedded MegaRAID Software User Guide Chapter 3 LSI Software RAID Configuration Utility March 2012 Rebuilding a Drive 3 9 Rebuilding a Drive The LSI Software RAID Configuration Utility enables you to rebuild a drive of a redundant drive group if the drive group has a failed drive If the failed drive is still good that is if the drive is physically present and its capacity is greater than or equal to the defined capacity of the drive group it will be rebuilt If the drive is too small an error message appears and the CU does not allow the drive to be rebuilt NOTE You cannot rebuild a f
104. final Configuration Wizard screen appears If you select Client installation for a PC used to monitor servers and if there are no available servers with a registered framework on the local subnet that is servers with a complete installation of MegaRAID Storage Manager you cannot connect to a remote server unless you first edit the startupui bat file Specifically you must add the IP address of the remote server to the end of the startupui bat file For example to connect to a remote framework on server 192 168 0 10 add the IP address to the end of startupui bat as shown in this example start JRE bin javaw classpath GUI jar GUI VivaldiStartupDialog ajsgygqkj 71244 192 168 0 10 Be sure to include a space in front of the IP address as shown in the example LSI Corporation 70 Embedded MegaRAID Software User Guide Chapter 5 MegaRAID Storage Manager Overview and Installation March 2012 5 3 2 5 3 2 1 Installation Installing MegaRAID Storage Manager for Linux Follow these steps to install MegaRAID Storage Manager on a system running Red Hat Linux or SUSE Linux 1 Copy theMSM_linux_installer tar gz file to a temporary folder 2 UntartheMSM_linux_installer tar gz file using the following command tar zxvf MSM linux installer tar gz A new disk directory is created 3 Goto the new disk directory In the disk directory find and read the readme txt file 5 Tostart the installati
105. first installation screen an option displays to allow you to load the driver from either a floppy diskette or a USB key Otherwise it will load the default driver from the DVD Select S to specify an additional device when the screen displays Setup could not determine the type of one or more mass storage devices The system prompts for the manufacturer supplied hardware support disk NOTE If the screen does not display this message after you press F6 then the setup program did not SJ recognize the F6 command Reboot the system and return to step 2 Insert the driver diskette containing the Windows device driver and press Enter Select the appropriate MegaRAID adapter from the menu by using the arrow key to highlight it and then press Enter to proceed Press Enter again to proceed Return to the Windows Setup screen Windows displays a Welcome to Setup window Press Enter to continue Press C to continue the Microsoft Windows installation procedure Follow the Windows installation procedure Repeat this process for all the adapters on your system LSI Corporation 13 Embedded MegaRAID Software User Guide Chapter 2 Driver Installation March 2012 2 1 1 2 1 2 2 1 3 Windows 2003 Driver Installation Windows 7 Windows 2008 and Windows Vista Driver Installation Perform the following steps to install the MegaRAID device driver in a new Windows 7 2008 or Vista operating system The Windows 2003 opera
106. formation Battery relearn postponed 0x009d 157 Information Battery relearn will start in 4 days 0x009e 158 Information Battery relearn will start in 2 day 0x009f 159 Information Battery relearn will start in 1 day 0x00a0 160 Information Battery relearn will start in 5 hours 0x00a1 161 Information Battery removed 0x00a2 162 Information Current capacity of the battery is below threshold 0x00a3 163 Information Current capacity of the battery is above threshold 0x00a4 164 Information Enclosure SES discovered on s 0x00a5 165 Information Enclosure SAFTE discovered on 96s 0x00a6 166 Caution Enclosure s communication lost 0x00a7 167 Information Enclosure s communication restored 0x00a8 168 Caution Enclosure s fan d failed 0x00a9 169 Information Enclosure s fan d inserted Ox00aa 170 Caution Enclosure s fan d removed 0x00ab 171 Caution Enclosure s power supply d failed 0x00ac 172 Information Enclosure 96s power supply 96d inserted Ox00ad 173 Caution Enclosure s power supply d removed 0x00ae 174 Caution Enclosure 96s EMM 96d failed Ox00af 175 Information Enclosure s EMM d inserted 0x00b0 176 Caution Enclosure s EMM d removed LSI Corporation Confidential 119 Appendix A Events and Messages Embedded MegaRAID Software User Guide Appendix A Events and Messages March 2012 Table 49 Event Messages Continued
107. formation for the MegaCLIl utility Table 45 Display MegaCLI Help Syntax MegaCLI ShowSummary f filename aN Description Displays a summary of the system information the controller information the drive information the virtual drive information and the enclosure information LSI Corporation 66 Embedded MegaRAID Software User Guide Chapter 5 MegaRAID Storage Manager Overview and Installation March 2012 Overview Chapter 5 MegaRAID Storage Manager Overview and Installation 5 1 5 1 1 5 1 2 MegaRAID Storage Manager MSM is a configuration and monitoring utility used with Embedded MegaRAID Software This chapter provides a brief overview of the MegaRAID Storage Manager and explains how to install it on the supported operating systems Overview MegaRAID Storage Manager can be installed either on the local system which contains the MegaRAID controllers that you wish to monitor or on a remote system such as a workstation or a laptop with network connectivity to the system you wish to monitor Because of this the system hardware and software requirements for installing MegaRAID Storage Manager might differ from the system requirements for the MegaRAID controller s you are using MegaRAID Storage Manager enables you to configure monitor and maintain storage configurations created under Embedded MegaRAID Software The MegaRAID Storage Manager graphical user interface GUI makes it easy for y
108. ge Configuration 3 6 Clearing a Storage Configuration CAUTION Before you clear a storage configuration be sure to back up all the data you want to keep To clear a storage configuration follow these steps 1 Onthe Management Menu screen select Configure Clear Configuration The following screen appears Figure 22 Clear Configuration Option System Console LSI Software RAID Configuration Utility Ver A 62 Ap g BIOS Version A 09 07211059R 2 Atthe prompt select Yes to confirm and press Enter The virtual drive is deleted from the configuration LSI Corporation 37 Embedded MegaRAID Software User Guide Chapter 3 LSI Software RAID Configuration Utility March 2012 Configuring a Bootable Virtual Drive 3 7 Configuring a Bootable Virtual Drive The default boot virtual drive is LD 0 If you change the boot drive to another virtual drive the BIOS and the CU preserve this change However if you delete the new boot virtual drive you must be sure to configure another virtual drive for booting The CU does not automatically select a different boot virtual drive Follow these steps to configure a bootable virtual drive 1 Onthe Management Menu screen select Configure gt Select Boot Drive The following screen appears Figure 23 Select Boot Drive Option System Console LSI Software RAID Configuration Utility Ver A 62 Apr 29 2009 li U 2M 59 ent Boot UD 0 Conf ig Bc nf iguration Cont igi Conf igu
109. hapter 3 LSI Software RAID Configuration Utility 0 cece ccc cece ccc cree eter e nee hh hh nnn 21 3 1 Performirig Quick Configuration 2 Ir ban cha gas doe hee ba ge Pineda avadyasdewead aves depdaaings EP RETIRO EE RIFRATIPRI RATIS 21 3 2 Management Men Exe RR ME RAN ER RO ie ee mache RO IR PRU RARO DEUDA ORO R HN PAUUO RANA wea ake DR KANG PONE GUN 22 3 3 Configuration Merit icone fuer evo aueh Baa rele AEAEE R Folie ex eR RR T e EREREIENNMTIPQI DUCI Nga POE R NR 23 3 3 1 Configuration Menu OptiONns 462545 ia seecee tr hr pet ee RR EEEEnUO EN YO Cha REESE NOOO a DRE ER REN VSCENU CER RE D EEE 23 3 4 Configuring Drive Groups and Virtual Drives 6 cece cee ee mH HH HH He memes he ee hehe 24 3 5 Creating a Storage ConfiguratiOhi id ten ceri ek aee e DER eee dee RR RA awe PENS ee e EM entes Red elt nea b ue ele tea 24 3 5 1 Selecting the Configuration Method sssesessssei renerne si eeren aa e hh he hs me hs he ehe n e he en 24 3 5 2 Using Easy Configuration eneee IR euERR I RR RUP eI E SENSN eS TR S A VEU E a eas RARE CEDE E i sible UI PPS ada ees 26 3 5 3 Using New ConfigurtatiOn oe exo dass oo E reex eva ERR HR QUERER Te UR ER WAR RE EX UR E RR enel ea eR e oe eg 30 3 5 4 Using View Add Configuration inei e e ye e TERR EE ER Tere e nurse RR ARR E E eI e Ead Len E eb ERE ERE eens 34 3 6 Clearingia Storage Configuration oe ren hx EE EEXSU AA ERE MN ANE ENERO SURE MERE UEDE RUND RM E RN BIER aa a er Ud MXN
110. hat you want to keep before you choose an option 3 Press Enter The configuration screen appear for the configuration option that you selected A dialog box warns that you will lose data if you select Clear Configuration or New Configuration The following sections describe the configuration steps for each configuration method LSI Corporation 25 Embedded MegaRAID Software User Guide March 2012 3 5 2 Using Easy Configuration Chapter 3 LSI Software RAID Configuration Utility Creating a Storage Configuration Follow these instructions to create a configuration with Easy Configuration either with or without redundancy 1 Onthe Management Menu screen highlight Configure with your cursor and press Enter The Configuration Menu screen appears as shown in the following figure Figure 8 Configuration Menu Screen System Console LSI Software RAID tion Utility Ver Conf igura BIOS Version ial Conf i ion Menu Neu C Vieu MEE r Configuration iSelect Boot Drive ation Managenent g Add Configuration Rebui le Check sistency LSI Corporation 26 A 62 09 07211059R Apr 29 Embedded MegaRAID Software User Guide Chapter 3 LSI Software RAID Configuration Utility March 2012 Creating a Storage Configuration 2 Use your cursor to highlight Easy Configuration and press Enter The following screen appears Figure 9 Easy Configuration Array Selection Menu System Console LSI Softuare Ob
111. he data that is actually requested and is stored in a cache If the additional read ahead data is then requested it can be read faster from the cache than from the disk directly Read Ahead supplies sequential data faster but is not as effective when accessing random data m ADRA Used to select Adaptive Read Ahead which specifies that the controller begins using Read Ahead caching if the two most recent disk accesses occurred in sequential sectors If all read requests are random the algorithm reverts to No Read Ahead however all requests are still evaluated for possible sequential operation If you select Read Ahead there is a danger that data could be lost if the power fails before the cached data is written to disk m Direct Used to specify that the controller does not buffer reads in cache memory Data is transferred to cache and the host concurrently If the same data block is read again it comes from cache memory Cached Used to specify that the controller buffers all reads in cache memory strpszM Used to specify the size of the segments written to each drive in the configuration You can set the stripe size to 64 KB LSI Corporation 57 Embedded MegaRAID Software User Guide March 2012 4 7 3 4 7 4 4 7 5 4 7 6 Chapter 4 MegaCLI Command Tool Configuration Commands Add RAID 10 Configuration Use the command in Table 15 to add a RAID 10 configuration to the existing configuration on
112. he following figure This window shows the selections you made for simple configuration Figure 39 Create Virtual Drive Summary Window x n Lsis Review the summary and go back if you need to make corrections The virtual drive s will be created when you dick finish Summary RAID level Number of virtual drives Capacity of each virtual drive Drive security method No encryption Number of drives used i 8 Click Back to return to the previous screen to change any selections or click Finish to accept and complete the configuration The new virtual drive is created after you click Finish After the configuration is completed a dialog box notifies you that the virtual drives were created successfully LSI Corporation 84 Embedded MegaRAID Software User Guide March 2012 7 1 3 Chapter 7 Configuration Creating a New Storage Configuration Creating a Virtual Drive Using Advanced Configuration The advanced configuration procedure provides an easy way to create a new storage configuration Advanced configuration gives you greater flexibility than simple configuration because you can select the drives and the virtual drive parameters when you create a virtual drive In addition you can use the advanced configuration procedure to create spanned drive groups Follow these steps to create a new storage configuration in the advanced configuration mode 1 Click the Dashboard tab on the MSM main menu screen The Create
113. here is little improvement when accessing random data Accept Select this option to accept the virtual drive parameters SPAN Choose whether to span drive groups This setting is available only for RAID 10 drive groups LSI Corporation 32 Embedded MegaRAID Software User Guide Chapter 3 LSI Software RAID Configuration Utility March 2012 Creating a Storage Configuration 9 Highlight Accept with your cursor and press Enter after you select your virtual drive parameters The virtual drive configuration displays as shown in the following screen Figure 17 Virtual Drive Configuration Parameters System Console UR E om ae software RAID Configuration Utility Ver A 6 Uersior 09 07211059R 10 Press any key to continue 11 Click Yes at the prompt to save the configuration The LSI Software RAID Configuration Utility begins a background initialization of the virtual drives New RAID 5 virtual drives require a minimum number of drives for a background initialization to start If there are fewer drives than the minimum the background initialization will not start LSI Corporation 33 ee Embedded MegaRAID Software User Guide Chapter 3 LSI Software RAID Configuration Utility March 2012 Creating a Storage Configuration 3 5 4 Using View Add Configuration View Add Configuration allows you to control the same virtual drive parameters as New Configuration without disturbing the existing configuration information Fo
114. hoose to rebuild the data on the failed drive if the drive is still operational If hot spare drives are available the failed drive is rebuilt automatically without any user intervention If a drive has failed a red circle appears to the right of the drive icon cz A small yellow circle appears to the right of the icon of the virtual drive that uses this drive jj This indicates that the virtual drive is in a degraded state the data is still safe but data could be lost if another drive fails Follow these steps if you need to rebuild a drive Right click the icon of the failed drive and select Rebuild 2 Click Yes when the warning message appears If the drive is still good a rebuild starts You can monitor the progress of the rebuild in the Group Show Progress window by selecting Manage gt Show Progress If the drive cannot be rebuilt an error message appears Continue with the next step Shut down the system disconnect the power cord and open the computer case Replace the failed drive with a new drive of equal capacity Close the computer case reconnect the power cord and restart the computer Qv ee 99 Restart MegaRAID Storage Manager When the new drive spins up the drive icon changes back to normal status and the rebuild process begins automatically You can monitor the progress of the rebuild in the Group Show Progress window by selecting Manage Show Progress LSI Corporation 113 Embedded MegaR
115. hout checking the subsystem device or Vendor ID The ahci SCSI driver entry is the following alias scsi hostadapter ahci Create a new initrd image for the required kernel Red Hat installation uses the mk initrd command to create an initrd image The following command creates an initrd image for the kernel version gt smp kernel in the boot directory Refer to the mk initrd man page for more information The command is mkinitrd boot initrd kernel version gt smp img new lt kernel version gt smp Modify the 1ilo conf grub conf file by adding newly created initrds as new entries in the etc lilo conf file The suggested method is to copy an existing 1110 entry in the file and paste it as a new one Then modify its kernel image name initrd image name and label name LSI Corporation 17 Embedded MegaRAID Software User Guide Chapter 2 Driver Installation March 2012 Linux Driver Installation Sample Lilo Entry image boot vmlinux lt kernel version gt smp label linuxnew initrd boot initrd lt kernel version gt smp img new read only appended root LABEL Sample Grub Entry title Red Hat Linux lt kernel version gt with Megasr driver root hd0 0 kernel vmlinuz kernel version ro root LABEL initrd initrd kernel version gt img new 8 Update the boot loader If the boot loader is Lilo run the lilo command to update the boot loader 1lilo 9 Reboot the system to the new boot loader entry
116. hysical disk as missing command and the Rescan command LSI Corporation Embedded MegaRAID Software User Guide Appendix A Events and Messages March 2012 Appendix A Events and Messages MegaRAID Storage Manager monitors the activity and performance of all controllers in the workstation and the devices attached to them When an event occurs such as the start of an initialization an event message appears in the log at the bottom of the MegaRAID Storage Manager main menu screen This appendix lists the MegaRAID Storage Manager events that can appear in the event log NOTE MegaRAID Storage Manager can be used to manage a wide range of MegaRAID controllers Some of S the events and messages listed in this appendix are not applicable to Embedded MegaRAID Software Each message that appears in the event log has an error level that indicates the severity of the event as shown in Table 48 Table 48 Event Error Levels Error Level Meaning Information Informational message no user action is necessary Warning Some component may be close to a failure point Caution A component has failed but the system has not lost data Fatal A component has failed and data loss has occurred or will occur Dead A catastrophic error has occurred and the controller has died This event is seen only after the controller has been restarted Table 49 lists all of the MegaRAID Storage Manager event messages The event message
117. ine To force a drive online or offline follow these steps 1 Onthe Management Menu select Objects Physical Drive 2 Highlight a physical drive that is a member of an drive group and press Enter 3 Select Force Offline or Force Online from the menu If the drive was online its status changes to FAIL If it was offline its status changes to ONLINE LSI Corporation Embedded MegaRAID Software User Guide Chapter 4 MegaCLI Command Tool March 2012 MegaCLI CT Overview Chapter 4 MegaCLI Command Tool 4 1 This chapter describes the commands for the MegaCLI Command Tool and how to use them The MegaCLI Command Tool CT is a command line interface application that you can use to configure and maintain storage configurations created with Embedded MegaRAID Software NOTE The MegaCLI CT utility runs in the Microsoft Windows operating environment and the Linux S operating environment For DOS the utility is called MegaDCLI CT and it supports a subset of the full command set MegaCLI CT Overview MegaCLI CT and MegaDCLI CT are command line interface applications you can use to configure and manage storage configurations under Embedded MegaRAID Software You can use these command tools to perform the following tasks Configure virtual drives and create configurations on the adapter Display the configuration on the adapter Display and change virtual drive s properties on the adapter Display and change physical dri
118. information about the remaining unconfigured space Table 17 Display Existing Configuration Syntax MegaCLI CfgDsply aN a0 1 2 aALL Description Displays the existing configuration on the selected adapter s which includes the virtual drive and component physical drive related details Save Adapter Configuration Use the command in Table 18 to save the configuration for the selected adapter s to the given filename Table 18 Save Adapter Configuration Syntax MegaCLI CfgSave fFileName aN Description Saves the configuration for the selected adapter s to the given filename in binary format The command also stores the controller properties structure in the file LSI Corporation 58 Embedded MegaRAID Software User Guide Chapter 4 MegaCLI Command Tool March 2012 4 7 7 4 7 8 4 7 9 Configuration Commands Restore Configuration Data from File Use the command in Table 19 to read the configuration from the file and load it on the selected controller s You can restore the read write properties and RAID configuration using hot spares Table 19 Restore Configuration Data from File Syntax MegaCLI CfgRestore fFileName aN Description Reads the configuration from the file and loads it on the adapter MegaCLl can store or restore all read and write adapter properties all read and write properties for virtual drives and the RAID configuration including hot spares NOTE The Cf
119. ing the driver and then click Properties 4 Onthe Driver tab click Update Driver to open the Update Device Driver wizard and then follow the wizard instructions to update the driver Confirming the Windows Driver Installation Perform the following steps to confirm that the Embedded MegaRAID Software driver for Windows is installed correctly 1 Click Start point to Settings and then click Control Panel 2 Double click System click the Hardware tab and then click Device Manager Device Manager starts 3 In Device Manager double click SCSI and RAID Controllers right click the device for which you are installing the driver and then click Properties 4 Onthe Driver tab click Driver Details and verify that the driver information is correct LSI Corporation Embedded MegaRAID Software User Guide Chapter 2 Driver Installation March 2012 2 2 2 2 1 2 2 2 2 2 2 1 Linux Driver Installation Linux Driver Installation This section explains the steps to install the Embedded MegaRAID device driver in a Red Hat Enterprise Linux installation or a SuSE Linux Enterprise Server installation Obtaining the Driver Image File The Linux driver is offered in the form of a driver update disk The required file is dud driver version img which is the driver update disk for the Embedded MegaRAID Software stack You can obtain the latest driver files from the Download Center on the LSI website Preparing the Installation Dis
120. ipe size and drive status Figure 16 Virtual Drive Parameters Dialog Box Systen Consol e a a a e SSP EI Software RAID Configuration Utility Ver A 62 Ap Virtual Dri f Size Off On 8 Change the virtual drive options from the defaults listed on the screen as needed Use the cursor keys to navigate between the virtual drive parameters and press Enter to select an option Here are brief explanations of the virtual drive options RAID Level The drop down menu lists the possible RAID levels for the virtual drive In some cases only one RAID level is available depending on the number of drives in the drive group Size This setting specifies the capacity of the virtual drive Disk Write Cache Policy You can disable the write cache option when you create a virtual drive but you can enable this option later using the configuration utilities When the disk Write Cache is On a write transaction is considered to be complete when all the data has been written to the disk cache When disk Write Cache is Off the write transaction is complete only when the data has been written to the disk Read Ahead Policy When disk Read Ahead is On extra data is read sequentially ahead of the data that is actually requested and this extra data is stored in cache memory If the additional read ahead data is then requested it can be read faster from the cache than from the disk directly This setting speeds up reads for sequential data but t
121. ity of eligible hot spare candidate drives A hot V spare drive will takeover for a drive if a failure happens ensuring your data will remain intact Use drive security OX Drive security method will be assigned depending upon the controller settings The drive security will make the virtual drive secure by applying encryption logic to the data in the drive I Assign a hot spere Virtual drives fi H Choose how many virtual drives you want to create Capacity 231 898 GB v Q Select the capacity for the virtual drive s Each virtual drive have the same capacity ESS ES Ee LSI Corporation 83 Embedded MegaRAID Software User Guide Chapter 7 Configuration March 2012 Creating a New Storage Configuration 4 Select the RAID level desired for the virtual drive When you use simple configuration the RAID controller supports RAID levels 1 and 5 In addition it supports independent non redundant drives configured as RAID 0 The screen text gives a brief description of the RAID level that you select The RAID levels that you can choose depend on the number of drives available To learn more about RAID levels see Section 1 2 RAID Overview on page 9 5 Use the drop down menu in the Virtual drives field to choose how many virtual drives you want to create Select the capacity of the virtual drive s Each virtual drive has the same capacity 7 Click Next The Create Virtual Drive Summary window appears as shown in t
122. ive Table 37 Replace Configured Disk Drives and Start Automatic Rebuild Syntax MegaCLI PDReplaceMissing PhysDrv E0 Sn ArrayX RowY aN Description Replaces the configured physical drives and then starts an automatic rebuild The specified array Index and row must be a missing drive 4 9 10 Prepare Unconfigured Physical Drives for Removal Use the command in Table 38 to prepare an unconfigured physical disk drive s for removal from the selected adapter s Table 38 Prepare Unconfigured Physical Disk Drives for Removal Syntax MegaCLI PDPrpRmv Undo PhysDrv E0 Sn aN a0 1 2 aALL Description Prepares unconfigured physical drive s for removal The drive is spun down and the drive state is set to unaffiliated which marks it as offline even though it is not a part of configuration The Undo option undoes this operation and the physical disk is marked as Unconfigured Good LSI Corporation 64 Embedded MegaRAID Software User Guide Chapter 4 MegaCLI Command Tool March 2012 Drive Commands 4 9 11 Display Number of Physical Drives Use the command in Table 39 to display the total number of physical disk drives attached to an adapter Table 39 Display Number of Physical Disk Drives Syntax MegaCLI PDGetNum aN a0 1 2 aALL Description Displays the total number of physical disk drives attached to an adapter The return value is the number of physical disk drives
123. ive and that virtual drive must occupy SJ the entire space of the RAID 10 array e Click Create Span to create a second span in the drive group e Select unconfigured drives from the list of drives and click Add to add them to the second drive group e The selected drives appear under the second span Span number below the second drive group Drive Group number e Click Create Drive Group to make a drive group with the spans e Click Next to complete the steps for a RAID 10 configuration Click Create Drive Group to make a drive group Click Next to complete this step The Virtual drive settings window appears as shown in the following figure The drive group and the default virtual drive settings appear The options to update the virtual drive or remove the virtual drive are grayed out until you create the virtual drive Figure 43 Virtual Drive Settings Dialog Box Create Virtual Drive Virtual drive settings E X f Lsis Specify parameters for the new virtual drive Drive groups Virtual drive Capacity Initialization Strip size Read policy vo Read Ahead Aways Write Back Write policy I O policy Access policy Read Write Disk cache policy unchanged Update Virtual Dri name o 231 8984 Units cs state vo Initialization ese E Drive Group1 RAID 0 Available Capacity231 898 G Direct IO LSI Corporation 87 Embedded MegaRAI
124. ization Syntax MegaCLI LDInit Start Fast Full Abort ShowProg ProgDsply Lx L0 1 2 Lall aN a0 1 2 aALL Description Allows you to select the following actions for virtual drive initialization m Start Starts the initialization writing Os on the virtual drive s and displays the progress optional The fast initialization option initializes the first 100 MB on the virtual drive The full option allows you to initialize the entire virtual drive Abort Aborts the ongoing initialization on the LD s ShowProg Displays the snapshot of the ongoing initialization if any ProgDsply Displays the progress of the ongoing initialization until at least one initialization is completed or a key is pressed LSI Corporation 60 Embedded MegaRAID Software User Guide Chapter 4 MegaCLI Command Tool March 2012 4 8 4 4 8 5 4 8 6 Virtual Drive Commands Manage Consistency Check Use the command in Table 25 to manage a data consistency check CC on the virtual drives for the selected adapter s N NOTE This command is not supported in DOS Table 25 Manage Consistency Check Syntax MegaCLI LDCC Start Abort ShowProg ProgDsply Lx L0 1 2 Lall aN a0 1 2 aALL Description Allows you to select the following actions for a data consistency check m Start Starts a CC on the virtual drive s and then displays the progress optional and time remaining Abort Aborts
125. jects Rebuild Check Consis Port 2 DISK 113487MB FUJITSU MHY2120BS 0000010C SPACE Se 1 ENTER EndArray F10 Conf igure F2 Drive Info F3 Virtual Drives F4 HSP 3 Press the space bar to select a drive and add it to the drive group 4 Repeat step 3 to add additional drives to the drive group 5 Press F10 to continue configuration The Select Configurable Array s dialog box appears as shown in the following figure Figure 10 Drive Group Selection System Console gt LSI Software RAID Configuration Utility Uer A 62 fim BIO de S iur 0g igure Initialize Ob jects Rebuild Check Consis Cursor Keys SPACE De Se lect FZ ChlIdInfo F3 SlotInfo F10 Conf igure Esc Quit LSI Corporation PY 27 e Embedded MegaRAID Software User Guide Chapter 3 LSI Software RAID Configuration Utility March 2012 Creating a Storage Configuration Press the space bar to select the drive group 7 Press F10 to continue configuration The Virtual Drive s Configured dialog box appears as shown in the following screen This screen shows the virtual drive number RAID level drive group size number of stripes stripe size and drive status Figure 11 Virtual Drive Parameters Dialog Box System Console ps See LSI Software RAID Configuration Utility Ver A 62 Apr 25 Virtual Dr Conf igured Size S StripesSz 64 KB 64 KB ONLINE anagen Initializ 113487MB Off RAID Level For 8 Change the vi
126. k s for Linux This section describes how to prepare the Linux installation disk s from the driver image files using either the Windows operating system or the Linux operating system Preparing Installation Disks with the Windows Operating System Under Windows you can use the RaWrite floppy image writer utility to create disk images from image files The image writer can be downloaded from the Internet Perform the following steps to build installation diskettes 1 Copy the driver update disk image dud driver version imgandthe file raw write exetoa directory 2 Confirm that the files are in the selected directory 3 If necessary use this command to change the filename of the driver update disk to a name with fewer than eight characters copy dud driver version img dud img Open the DOS Command Prompt and navigate to the directory where raw write exe is located 5 Type the following command to create the installation diskette raw write 6 Press Enter You are prompted to enter the name of the boot image file 7 Type the following dud img 8 Press Enter You are prompted for the target drive diskette 9 Insert a floppy diskette into the floppy drive and type A 10 Press Enter 11 Press Enter again to start copying the file to the diskette 12 After the command prompt returns and the floppy disk drive LED goes out remove the diskette 13 Label the diskette with the image name LSI Corporation 15 Embedded Mega
127. l Reassign write operation failed on 96s at lx 0x006d 109 Fatal Unrecoverable medium error during rebuild on 96s at 96lx 0x006e 110 Information Corrected medium error during recovery on 96s at lx 0x006f 111 Fatal Unrecoverable medium error during recovery on 96s at 96lx 0x0070 112 Information Removed 96s 0x0071 113 Warning Unexpected sense 96s CDB96s Sense 96s 0x0072 114 Information State change on 96s from 96s to 96s 0x0073 115 Information State change by user on 96s from 96s to 96s 0x0074 116 Warning Redundant path to 96s broken 0x0075 117 Information Redundant path to 96s restored 0x0076 118 Information Dedicated Hot Spare PD 96s no longer useful due to deleted array 0x0077 119 Caution SAS topology error Loop detected 0x0078 120 Caution SAS topology error Unaddressable device 0x0079 121 Caution SAS topology error Multiple ports to the same SAS address 0x007a 122 Caution SAS topology error Expander error 0x007b 123 Caution SAS topology error SMP timeout 0x007c 124 Caution SAS topology error Out of route entries 0x007d 125 Caution SAS topology error Index not found 0x007e 126 Caution SAS topology error SMP function failed 0x007f 127 Caution SAS topology error SMP CRC error 0x0080 128 Caution SAS topology error Multiple subtractive 0x0081 129 Caution SAS topology error Table to table 0x0082 130 Caution SAS topology error Multiple paths 0x0083 131 Fatal Unable to access device 96s 0x0084 132 Information Dedicated Hot Spare created on
128. l drives If a virtual drive is operating normally the icon looks like this B If the virtual drive is running in Degraded mode for example if a drive has failed a small yellow circle appears to the right of the icon 9 A red circle indicates that the virtual drive has failed and data has been lost When the Logical tab is selected the left panel of the MegaRAID Storage Manager main menu screen shows which drives are used by each virtual drive The same drive can be used by multiple virtual drives LSI Corporation 106 Embedded MegaRAID Software User Guide Chapter 8 Monitoring System Events and Storage Devices March 2012 Monitoring Virtual Drives To display complete virtual drive information click the Logical tab in the left panel and click a virtual drive icon in the left panel The properties appear in the right panel The following figure shows the Properties panel for a virtual drive Figure 63 Virtual Drive Properties MegaRAID Storage Manager 8 17 2000 laj x Manage GoTo Log Tools Help i ues oBuQ n LSI Welcome administrator Full Access Log Off Dashboard Physical Logical i WIN AEC34GFELOU E LSI Embedded MegaRAID Bus 0 Dev 31 E Drive Group 0 RAID 1 Eg on Drive s ig General Disk Cache Policy Disable RAID Level 1 Read Policy No Read Ahead B Drives Slot 0 SATA 232 886 GB Online Slot 1 SATA 232 886 GB Online E Drive Group 1 RAI
129. lShield Wizard x Customer Information Please enter your information User Name administrator Organization IMegaComputer Allow availability of this application For Allusers C Only For current user Administrator Installshield lt Back Cancel 5 Enter your user name and organization name In the bottom part of the screen select an installation option Ifyou select All users any user with administrative privileges can use this version of MegaRAID Storage Manager to view or change storage configurations Ifyou select Only for current user the MegaRAID Storage Manager shortcuts and associated icons will be available only to the user with this user name 6 Click Next to continue LSI Corporation 69 Embedded MegaRAID Software User Guide Chapter 5 MegaRAID Storage Manager Overview and Installation March 2012 Installation 7 On the next screen accept the default Destination Folder or click Change to select a different destination folder Click Next to continue The Setup Type screen appears as shown in the following figure Figure 29 Setup Type Screen iz Megaraid Storage Manager 1 00 01 InstallShield Wizard Setup Type Choose the setup type that best suits your needs Please select a setup type C Client 13 This option will only install components required to remotely view and configure C Server 1 8 This option will only install component
130. le Task Rates Preserved Cadie Dashboard Physical Logica Cg WIN AEC34GFELOU STA 24 LSI Embedded MegaRAID Bus 0 Dev 31 Slot 0 SATA 232 886 GB Online Slot 1 SATA 232 886 GB Online Slot 2 SATA 232 886 GB Online LSI Embedded MegaRAID Optical Drive 4 Unknown HLDTSTDVDRAM none 0x8086 0x1014 LSI Corporation 104 Embedded MegaRAID Software User Guide March 2012 Chapter 8 Monitoring System Events and Storage Devices Running a Patrol Read The Patrol Read Set properties screen displays as shown in the following figure Figure 62 Patrol Read Configuration xi LSI Select Patrol Read mode Automatic v Maximum number of Physical drives allowed for Patrol Read concurrently p Indude the Virtual drives for whose physical drives Patrol Read should be performed Available Virtual drives Virtual Drive Induded Virtual drives Add Virtual Drive W virtual Drive 0 231 898 GB Optimal i gt WW Virtual Drive 1 MegaSR RO 1 231 898 GB Optimal Add All gt gt Patrol Read Interval Select Weekly Run Patrol Read non stop Patrol Read Schedule V Perform Patrol Read when I press OK Start Patrol Read on Month Date Year Time Mar 24 v 2o 03 00 PM 37 em 3 Select a mode for a patrol read The options are Automatic Patrol read runs automatically at the time interval you specify on this screen Manual
131. lect the methods used to send alert deliveries including by popup email system log or MSM log You can select the alert delivery methods for each event severity level Information Warning Critical and Fatal Perform the following steps to select the alert delivery methods 1 On the Alerts Notification Configuration screen click the Alert Settings tab Under the Alerts Delivery Methods heading select one of the severity levels Click Edit The Alert Notification Delivery Methods dialog box appears as shown in the following figure Figure 53 Alert Notification Delivery Methods Dialog Box Severity Fatal Alert Delivery Methods 4 Selectthe desired alert delivery methods for alert notifications at the event severity level 5 Click OKto set the delivery methods used for the severity level that you selected LSI Corporation 96 Embedded MegaRAID Software User Guide Chapter 8 Monitoring System Events and Storage Devices March 2012 Configuring Alert Notifications 8 2 2 Changing Alert Delivery Methods for Individual Events You can change the alert delivery options for an event without changing the severity level 1 On the Alerts Notification Configuration screen click the Alert Settings tab The Alerts Setting portion of the screen appears as shown in Figure 52 2 Click Change Individual Events The Change Individual Events dialog box appears as shown in the following figure The dialog box shows the events by their
132. llow these instructions to create a configuration with Easy Configuration either with or without redundancy 1 Onthe Management Menu screen highlight Configure with your cursor and press Enter The Configuration Menu screen appears as shown in the following figure Figure 18 Configuration Menu Screen System Console LSI Software RAID Configuration Utility Uer A 62 Ap BIOS Version A 09 07211059R Clear Conf igu Select Boot Drive Rebuild Check Consistency LSI Corporation 34 Embedded MegaRAID Software User Guide March 2012 2 Highlight View Add Configuration with your cursor and press Enter The following screen appears Figure 19 View Add Configuration Array Selection Menu RAID Configuration Utility Uer BIG Jersion A 09 07211059R Ob jects Rebuild Check Consis JITSU MHYZ1Z20BS 3 Press the space bar to select a drive and add it to the drive group 4 Repeat step 3 to add additional drives to the drive group 5 PressF10 to continue the configuration Chapter 3 LSI Software RAID Configuration Utility Creating a Storage Configuration 0000010C SPACE Se1 ENTER Endarray F1 onf igure F2 Drive Info F3 Virtual Drives F4 The Select Configurable Array s dialog box appears as shown in the following figure Figure 20 Drive Group Selection Susten Console LSI Software ST Pe CTION MENU rray s Ob jects Rebuild Check Consis Cursor Keys SPACE De Select F2 ChidInfo F3 Sl
133. lt MegaCLI CT uses the first free slot available in the array This option has no meaning if the array is not already used for configuration LSI Corporation 56 Embedded MegaRAID Software User Guide Chapter 4 MegaCLI Command Tool March 2012 Configuration Commands 4 7 2 Configure Each Disk as RAID 0 Use the command in Table 14 to configure each physical disk in Unconfigured Good state as RAID 0 N NOTE The MegaCLI CT does not support spanning across these single drive RAID 0 configurations Table 14 Configure Each Disk as RAID 0 Syntax MegaCLI CfgEachDskRAIDO WT WB NORA RA ADRA Direct Cached strpszM aN a0 1 2 aALL Description Configures each physical disk in Unconfigured Good state as RAID 0 on this controller The options WT WB NORA RA ADRA Direct Cached must be entered in the sequence that is shown m WT Used to select Write through caching in which a write transaction is considered to be complete when all the data has been written to the disk cache m WB Used to select Write back caching in which the write transaction is complete only when the data has been written to the disk m NORA Used to select Normal Read Ahead caching which specifies that the controller reads only the requested data and does not read ahead for the current virtual drive Wm RA Used to select Read Ahead caching which specifies that data is read sequentially ahead of t
134. ment 4 Segment 5 Segment 5 Segment 6 Segment 6 LSI Corporation 12 Provides both high data transfer rates and complete data redundancy Embedded MegaRAID Software User Guide Chapter 2 Driver Installation March 2012 Windows 2003 Driver Installation Chapter 2 Driver Installation 2 1 This chapter explains how to install the Embedded MegaRAID Software drivers for the following operating systems Microsoft Windows Server 2003 2008 and 2008R2 Microsoft Windows 7 Workstation Microsoft Windows Vista Workstation Red Hat Enterprise Linux RHEL 5 and 6 SuSE Linux Enterprise SLES 10 and 11 Windows 2003 Driver Installation Perform the following steps to install the MegaRAID device driver in a new Windows 2003 operating system The Windows 2003 operating system automatically adds the driver to the registry and copies the driver to the appropriate directory 1 10 11 Start the Windows 2003 installation by booting from the appropriate Windows CD ROM The system BIOS must support booting from a CD ROM BIOS settings might require changes to allow CD ROM booting See your system documentation Press F6 when the following displays at the bottom of the screen unless you are installing Windows Vista Press F6 if you need NOTE For the system to recognize the new driver for Windows Server 2003 you must press F6 If you are SJ installing Windows Vista you do not need to press F6 For Windows Vista after the
135. n describes the virtual drive parameters and explains how to create simple storage configurations and advanced storage configurations 7 1 1 Selecting Virtual Drive Settings This section describes the virtual drive settings that you can select when you use the advanced configuration procedure to create virtual drives Change these parameters only if you have a specific reason for doing so It is usually best to leave them at their default settings m Initialization State Initialization prepares the storage medium for use Specify the initialization status Nolnitialization the default The new configuration is not initialized and the existing data on the drives is not overwritten Fast Initialization This option allows you to start writing data to the virtual drive immediately Fullinitialization A complete initialization is done on the new configuration You cannot write data to the new virtual drive until the initialization is complete This can take a long time if the drives are large N NOTE New RAID 5 virtual drives require at least five drives for a background initialization to start m Stripe size The setting is 64 KB only Read policy Specify the read policy for this virtual drive Noread ahead the default Disables the read ahead capability Read ahead capability allows the controller to read sequentially ahead of requested data and to store the additional data in cache memory anticipating that the
136. n the Management Menu screen 4 Selecta configuration method from the Configuration menu Easy Configuration New Configuration or View Add Configuration 5 Create drive groups using the available drives 6 Designate hot spare disks optional 7 Define the virtual drive s using the space in the drive groups 8 Initialize the new virtual drive s LSI Corporation Embedded MegaRAID Software User Guide Chapter 3 LSI Software RAID Configuration Utility March 2012 Management Menu 3 2 Management Menu The Management Menu screen appears when you start the LSI Software RAID CU Figure 5 LSI Software RAID Configuration Utility Management Menu Screen System Console LSI Software RAID Configuration Utility Uer A 62 Apr 29 2009 BIOS Version A 039 07211059R ment Menu Initialize Ob jects Rebuild oer k Consistency N NOTE The minimum screen resolution for the LSI Software RAID CU is 640x480 LSI Corporation J2 Embedded MegaRAID Software User Guide Chapter 3 LSI Software RAID Configuration Utility March 2012 Configuration Menu 3 3 Configuration Menu Use the Configuration Menu screen to configure drive groups and virtual drives This section describes the configuration options 3 3 1 Configuration Menu Options The Configuration Menu screen provides four methods to modify and or create a virtual drive configuration Easy Configuration New Configuration View Add Configuration and Clear Configuration as sho
137. n the selected adapter s The Dsp1y option shows the status of the automatic rebuild state LSI Corporation 52 Embedded MegaRAID Software User Guide Chapter 4 MegaCLI Command Tool March 2012 4 5 3 4 5 4 Adapter Commands Set Adapter Properties This command sets the properties on the selected adapter s For example for RebuildRate val youcan enter a value between 0 percent and 100 percent The rebuild rate is the percentage of the compute cycles dedicated to rebuilding failed drives At O percent the rebuild is done only if the system is not doing anything else At 100 percent the rebuild has a higher priority than any other system activity N NOTE The default rebuild rate of 30 percent is recommended Use the command in Table 7 to display or set adapter properties Table 7 Set Adapter Properties Syntax MegaCLI AdpSetProp RebuildRate val PatrolReadRate val BgiRate val CCRate val ReconRate val CoercionMode val EnblSSDPatrolRead val PrCorrectUncfgdAreas val aN a0 1 2 aALL Description Sets the properties on the selected controller s The possible settings are RebuildRate Rebuild rate Values 0 to 100 PatrolReadRate Patrol read rate Values 0 to 100 BgiRate Background initialization rate Values 0 to 100 CCRate Consistency check rate Values 0 to 100 ReconRate Reconstruction rate Values 0 to 100 CoercionMode Drive capacity
138. n2 Lsis Embedded MegaRAID Software User Guide March 2012 487 12 00 Rev B Embedded MegaRAID Software User Guide March 2012 Revision History Version and Date Description of Changes 48712 00 Rev B March 2012 Revised the guide to document changes to the driver installation procedures configuration utilities and new event messages 48712 00 Rev A June 2011 Initial release of the document LSI LSI amp Design logo and MegaRAID are registered trademarks of LSI Corporation or its subsidiaries All other brand and product names may be trademarks of their respective companies LSI Corporation reserves the right to make changes to the product s or information disclosed herein at any time without notice LSI Corporation does not assume any responsibility or liability arising out of the application or use of any product or service described herein except as expressly agreed to in writing by LSI Corporation nor does the purchase lease or use of a product or service from LSI Corporation convey a license under any patent rights copyrights trademark rights or any other of the intellectual property rights of LSI Corporation or of third parties LSI products are not intended for use in life support appliances devices or systems Use of any LSI product in such applications without written consent of the appropriate LSI officer is prohibited Corporate Headquarters Website Milpitas CA www lsi com 800 372 24
139. ng string is an example of the noprobe option boot linux dd noprobe atal noprobe ata2 noprobe ata3 noprobe ata4 At the last installation step after all of the packages are installed RHEL5 prompts you to reboot At this point the initrd is built with the AHCI driver You must add megasr and delete ahci from initrd before you reboot 2 Press CTRL ALT F2 This step takes you to a text console prompt 3 Before you reboot go to text console and follow these steps Press Ctrl Alt F2 goes to the text console Enter the command cat proc partitions to get the major and minor number of floppy drive Executemknod dev sd x b major minor Create a directory such as mkdir swr Mount the floppy drive to that directory withthe mount dev sd x swr command f Runthescript replaceachi sh panos If the script is in the floppy drive you have to mount the device first In the normal system you use dev sd lt x gt device names to mount a device In the pre installation environment these names might not exist You can find the major and minor numbers of your device by reading the proc partitions file 4 Use the major and minor numbers of your device in the mknod command to create your own device name LSI Corporation 18 Embedded MegaRAID Software User Guide Chapter 2 Driver Installation March 2012 2 2 6 2 2 6 1 Linux Driver Installation Known Restrictions for the Driver Installation Process This section documents known restri
140. nitoring System Events and Storage Devices March 2012 Monitoring Rebuilds and Other Processes The Group Show Progress window appears as shown in the following screen Figure 65 Group Show Progress Window A LSI St Heg SR 60 i bv Ongoing Operations on Virtual Disks Ongoing Operations on Physical Drives Virtual Drive 1 VD 1 6 001 GB Optimal Operations on virtual drives appear in the left panel of the Group Show Progress window and operations on drives appear in the right panel The following operations appear in this window Background or foreground initialization of a virtual drive see Section 9 1 Initializing a Virtual Drive on page 110 Rebuild see Section 9 4 Rebuilding a Drive on page 113 Check Consistency see Section 9 2 Running a Consistency Check on page 112 Optional Click Abort All to abort all ongoing processes Click Close to close the window LSI Corporation 109 Embedded MegaRAID Software User Guide Chapter 9 Maintaining and Managing Storage Configurations March 2012 Initializing a Virtual Drive Chapter 9 Maintaining and Managing Storage Configurations This chapter explains how to use Embedded MegaRAID Software to maintain and manage storage configurations 9 1 Initializing a Virtual Drive To initialize a virtual drive after completing the configuration process follow these steps 1 Select the Logical tab in the left panel of the MegaRAID Storage Manager main menu scr
141. ommand in Table 34 to manage the configuration and assignment of global hot spares Make sure the capacity of the hot spare drive is equal to or larger than the capacity of the disks in the drive group and that it is the same type of drive N NOTE Dedicated hot spare drives are not supported by the MegaCLI Command Tool NOTE The hot spare drive rebuilds a failed drive even if the hot spare drive and the drives in the drive group SJ are different types of drives When the rebuild is completed LSI recommends that you replace the new drive group member with a drive of the same type Table 34 Manage Hot Spares Syntax MegaCLI PDHSP Set Rmv PhysDrv E0 Sn aN a0 1 2 aALL Description m Set Changes the physical disk drive state to hot spare for the enclosure m Rmv Changes the physical drive state to ready removes the hot spare LSI Corporation 63 Embedded MegaRAID Software User Guide Chapter 4 MegaCLI Command Tool March 2012 Drive Commands 4 9 7 Rebuild a Drive Use the command in Table 35 to start or stop a rebuild on a physical disk drive and display the rebuild progress When a physical disk in an array fails you can rebuild the physical disk by recreating the data that was stored on the physical disk before it failed Table 35 Rebuild Physical Disk Drive Syntax MegaCLI PDRbld Start Stop ShowProg ProgDsply PhysDrv E0 Sn aN a0 1 2 aALL Description Manages a drive reb
142. ommands 4 9 4 Change the Drive State to Unconfigured Good Use the command in Table 32 to change the state of a drive from Unconfigured Bad to Unconfigured Good Table 32 Set Physical Disk Drive State to Unconfigured Good Syntax MegaCLI PDMakeGood PhysDrv E0 Sn aN a0 1 2 aALL Description Changes the drive state to Unconfigured Good m Physdrv E0 S0 Specifies the physical drive enclosure and the slots for the drives m Force Forcethe drive to the Unconfigured Good state 4 9 5 Manage a Drive Initialization Use the command in Table 33 to manage a drive initialization on the selected controller s Table 33 Drive Initialization Convention MegaCLI PDClear Start Stop ShowProg ProgDsply PhysDrv E0 S0 E1 S1 aN a0 1 2 aALL Description Manages initialization or displays initialization progress on a single controller multiple controllers or all controllers Wm Start Starts initialization on the selected drive s m Stop Stops an ongoing initialization on the selected drive s m ShowProg Displays the current progress percentage and time remaining for the initialization This option is useful for running the application through scripts m ProgDsp1y Displays the ongoing clear progress The routine continues to display the initialization progress until at least one initialization is completed or a key is pressed 4 9 6 Manage Global Hot Spares Use the c
143. on enter the following command install sh If you select Client installation for a PC used to monitor servers and if there are no available servers with a registered framework on the local subnet that is servers with a complete installation of MegaRAID Storage Manager you cannot connect to a remote server unless you first edit the startupui sh file Specifically you must add the IP address of the remote server to the end of the startupui sh file For example to connect to a remote framework on server 192 168 0 10 add the IP address to startupui shas shown in this example start JRE bin javaw classpath GUI jar GUI VivaldiStartupDialog ajsgyqkj 71244 192 168 0 10 Be sure to include a space in front of the IP address as shown in the example Linux Installation Messages One or more of the following messages can appear while you are installing MegaRAID Storage Manager on a Linux system More than one copy of MegaRAID Storage Manager has been installed This message indicates that the user has installed more than one copy of MegaRAID Storage Manager This can be done by using the rpm force command to install the rpm file directly which is not recommended instead of using the instal1 sh file In such cases the user must uninstall all the rpm files manually before installing MegaRAID Storage Manager with the procedure listed previously m The version is already installed This message indicates that the version o
144. onsole Se LSI Software RAID Configuration Utility Ver fi 6 BIOS Version A 09 07211059R UD RAID 4 Press F10 5 Select Yes at the prompt and press Enter to begin the initialization A graph shows the progress of the initialization until it is complete 6 After the initialization is complete press Esc to return to previous menus If you press Esc while initialization is in progress the following options appear Stop Available only if Auto Resume is enabled on the controller Management Menu gt Objects gt Adapter gt AutoResume The initialization is stopped and the CU stores the percentage of the initialization already completed If Auto Resume is enabled and if Fast Init is not enabled the initialization resumes where it left off when you restart it instead of starting over from 0 percent Continue The initialization continues normally Abort The initialization is completely aborted If you restart initialization it begins at 0 percent LSI Corporation 39 Embedded MegaRAID Software User Guide March 2012 3 8 2 Second Initialization Method Chapter 3 LSI Software RAID Configuration Utility Initializing Virtual Drives Follow these steps to initialize a virtual drive using the Objects menu 1 Onthe Management Menu screen select Objects gt Virtual Drive A list of configured virtual drives appears 2 Use the cursor to highlight the virtual drive you want to initialize i
145. otInfo F10 Conf igure Esc Quit LSI Corporation 35 Embedded MegaRAID Software User Guide Chapter 3 LSI Software RAID Configuration Utility March 2012 Creating a Storage Configuration Press the space bar to select the drive group Press F10 to continue the configuration The Virtual Drive s Configured dialog box appears as shown in the following screen This screen shows the virtual drive number RAID level drive group size number of stripes stripe size and drive status Figure 21 Virtual Drive Parameters Dialog Box 10 11 System Console ont igure LSI Software RAID Configuration Utility Ver A 62 Apr 29 rivets Conf Iqured 4 Status ONLINE anagem C 113 B 1 64 ONL INE Initializ 113487MB orf On NO Choose RAID Level For This Change the virtual drive options from the defaults listed on the screen as needed Use the cursor keys to navigate between the virtual drive parameters and press Enter to select an option Here are brief explanations of the virtual drive options RAID Level The drop down menu lists the possible RAID levels for the virtual drive In some cases only one RAID level is available depending on the number of drives in the drive group Size This setting specifies the capacity of the virtual drive Disk Write Cache Policy You can disable the write cache option when you create a virtual drive but you can enable this option la
146. ou to create and manage storage configurations NOTE MegaRAID Storage Manager can be used to manage a wide range of MegaRAID controllers Some S MegaRAID Storage Manager features are not applicable for Embedded MegaRAID Software Creating Storage Configurations MegaRAID Storage Manager enables you to easily configure the controllers disk drives and virtual disks on your workstation or server The Simple Configuration mode and the Advanced Configuration mode greatly simplify the process of creating drive groups and virtual drives You can use these configuration modes to create the best possible configuration with the available hardware You can create the following types of configurations Simple configuration specifies a limited number of settings and has the system select drives for you This option is the easiest way to create a virtual drive Advanced configuration lets you choose additional settings and customize virtual drive creation This option provides greater flexibility when creating virtual drives for your specific requirements See Section 7 1 Creating a New Storage Configuration on page 80 for the procedures used to create storage configurations Monitoring Storage Devices MegaRAID Storage Manager displays the status of virtual disks physical disks and other storage devices on the workstation or server that you are monitoring System errors and events are recorded in an event log file and are displayed on th
147. pSetTime yyyymmdd HH mm ss aN a0 1 2 aALL Description Sets the time and date on the controller This command uses a 24 hour format For example 7 p m displays as 19 00 00 The order of date and time is reversible 4 5 6 Display Adapter Time Use the command in Table 10 to display the current time and date of the selected adapter Table 10 Display Adapter Time Syntax MegaCLI AdpGetTime aN Description Displays the time and date on the controller This command uses a 24 hour format For example 7 p m would display as 19 00 00 The order of date and time is reversible 4 5 7 Set Factory Defaults Use the command in Table 11 to set the factory defaults on the selected adapter s Table 11 Set Factory Defaults Syntax MegaCLI AdpFacDefSet aN a0 1 2 aALL Description Sets the factory defaults on the selected adapter s You cannot set the factory defaults if the adapter already has a configuration defined on it LSI Corporation 54 Embedded MegaRAID Software User Guide Chapter 4 MegaCLI Command Tool March 2012 Event Log Commands 4 6 Event Log Commands 4 6 1 Manage the Event Log Entries Use the command in Table 12 to manage the event entries in the event log for the selected adapter s Table 12 Event Log Management Syntax MegaCLI AdpEventLog GetEventlogInfo GetEvents GetSinceShutdown GetSinceReboot IncludeDeleted GetLatest lt number gt
148. pter 2 Driver Installation 5 5 ee reor e o s id re rrr er a ERR EE RVERRELUARC S ARE D Vu FORSE EET EATER E EU VE EE 13 2 1 Windows 2003 Driver Installation ose pere m tpe EO ONE Me sauce REN V AG ON Q ERRAT Ree UU EE FERE RI ERAI ON A Mal e ue 13 2 1 1 Windows 7 Windows 2008 and Windows Vista Driver Installation 0 ccc ccc cece IRI 14 2 1 2 Updating the Windows Drivet exse eI seeded hex ER eee P Ree n XR RR EO RYE DER OH UR E a 14 2 1 3 Confirming the Windows Driver Installation 0 ccc ec cece cece II He HH mH em eme 14 22 Linux Driver Installation x uoo o SEE RUUvUN TR RO nelson ese wet Wee EREA ede harga eie RV VE NE E Haeo s eu sa sace ond io 15 2 2 1 Obtaining the DriverImagelile exenocc rez uet a RH T PERRA ERE CU EQ E eh eles vi ERA Rede P REN alee ase es 15 2 2 2 Preparing the Installation Disk s for Linux ssssesssssssssse nh IH heh e mh hehe es hehehe 15 2 2 3 Installing the Red Hat Linux Driver on a New System 2 0 eee cee ee cent Hesse HH meme 16 2 2 4 Updating the Red Hat Linux Driver Generic 6 cece ccc een eh hh heh hehehe e hehehe een 17 2 2 5 Enabling RAID Mode during Red Hat Linux 5 Driver Installation 0 cece ene eee een eme he hehe 18 2 2 6 Known Restrictions for the Driver Installation Process isssssssssssssss HH eme e emen 19 2 2 7 Installing the SuSE Linux Enterprise Server 9 10 or 11 Driver 0 cece eee eet e eect e eee e hehehe een 20 C
149. r edit the sender e mail address and the SMTP server 1 Onthe Alerts Notification Configuration screen click the Mail Server tab The Mail Server options appear as shown in the following figure Figure 57 Mail Server Options la LSI X Alert Settings Mail Server Email Sender email address nonitor server com SMTP Server 127 0 0 1 v This server requires authentication User name Moo Password P Save Backup Load Backup IERI Re Ea 2 Enter anew sender email address in the Sender email address field or edit the existing sender email address 3 Click OK LSI Corporation 99 Embedded MegaRAID Software User Guide Chapter 8 Monitoring System Events and Storage Devices March 2012 8 2 6 8 2 7 8 2 8 Configuring Alert Notifications Authenticating a Server You can use the Alerts Notification Configuration screen to authenticate the SMTP server providing an extra level of security The authentication check box enables the User name and Password fields when selected by default Clearing the check box disables these fields Perform the following steps to enter or edit the address 1 On the Alerts Notification Configuration screen click the Mail Server tab The Mail Server options appears as shown in Figure 57 The authentication check box is selected by default 2 Enter a user name in the User name field 3 Enterthe password in the Pass
150. ration Initializ Clear nf i tion Ob j Se Rebuild Check Consistency 2 Select a virtual drive from the list to be the designated boot drive The virtual drive is configured to be the boot drive 3 8 Initializing Virtual Drives This section explains the two methods used to initialize a virtual drive with the LSI Software RAID Configuration Utility If the Fast Init property is enabled fast initialization is used In fast initialization the LSI Software RAID CU quickly writes zeroes to the first and last 8 MB regions of the new virtual drive If the Fast Init property is not enabled the utility performs a complete initialization on the virtual drive This process can take a long time if the physical disk drives are large A CAUTION When you initialize a virtual drive all of the existing data on the virtual drive is erased LSI Corporation 38 Embedded MegaRAID Software User Guide Chapter 3 LSI Software RAID Configuration Utility March 2012 Initializing Virtual Drives 3 8 1 First Initialization Method Follow these steps to initialize a virtual drive using the Initialize menu 1 Onthe Management Menu screen highlight Initialize with your cursor and press Enter The list of virtual drives appears Use the cursor to highlight the virtual drive you want to initialize if there is more than one virtual drive Press Enter The following screen appears Figure 24 Initializing a Virtual Drive First Method System C
151. redundant storage configuration follow these steps On the Management menu select Configure gt View Add Configuration 2 Select Physical Drive A list of physical drives appears 3 Highlight an unconfigured drive or a Ready drive with your cursor and press Enter The following screen appears System Console 11 i LSI onf igura BIOS Ver ion Utility on A 09 4 Initialize JI jects Rebuild Check Consis 0000010 E 4 Inthe HotSpare dialog box select Yes and press Enter 5 Select Yes from the pop up menu to create the hot spare drive This procedure creates a hot spare for the drive group LSI Corporation 42 Embedded MegaRAID Software User Guide Chapter 3 LSI Software RAID Configuration Utility March 2012 3 11 Checking Data Consistency Checking Data Consistency The Check Consistency feature verifies the consistency of the data on the physical drives that are part of RAID 1 5 or 10 virtual drives The LSI Software RAID Configuration Utility automatically corrects any differences found in the data when a consistency check is run Follow these steps to check consistency 1 On the Management Menu screen highlight Check Consistency with your cursor and press Enter A list of configured virtual drives appears Use the cursor to highlight a virtual drive if there is more than one virtual drive Press the spacebar to select the virtual drive NOTE If you select a RAID 0 virtual
152. reign are listed on the physical drives list with a special symbol in MegaRAID Storage Manager The utility allows you to import the existing configuration to the RAID controller or clear the configuration so you can create a new configuration using these drives You can preview the foreign configuration before you decide whether to import it MegaRAID Storage Manager normally detects newly installed drives and displays icons for them in the MegaRAID Storage Manager main menu screen If for some reason MegaRAID Storage Manager does not detect a new drive or drives you can use the Scan for Foreign Configuration command to find it Follow these steps to scan for a foreign configuration Select a controller icon in the left panel of the MegaRAID Storage Manager main menu screen 2 Select Go To gt Controller gt Scan for Foreign Configuration If MegaRAID Storage Manager detects any new drives it displays a list of them on the screen If not it notifies you that no foreign configuration is found 3 Follow the instructions on the screen to complete the drive detection Rebuilding a Drive If a single drive in a RAID 1 RAID 5 or RAID 10 virtual drive fails the system is protected from data loss If hot spare disks are available a failed drive is rebuilt automatically without any user intervention A failed drive must be replaced and the data on the drive must be rebuilt on a new drive to restore the system to fault tolerance You can c
153. required 0x018e 399 Warning CacheCade s capacity exceeds maximum allowed size extra capacity is not used 0x018f 399 Warning LD s protection information lost 0x0190 400 Information Diagnostics passed for s 0x0191 401 Critical Diagnostics failed for s 0x0192 402 Information Server Power capability Diagnostic Test Started 0x0193 403 Information Drive Cache settings enabled during rebuild for s 0x0194 404 Information Drive Cache settings restored after rebuild for s 0x0195 405 Information Drive s commissioned as Emergency spare 0x0196 406 Warning Reminder Potential non optimal configuration due to drive s commissioned as emergency spare 0x0197 407 Information Consistency Check suspended on s 0x0198 408 Information Consistency Check resumed on s 0x0199 409 Information Background Initialization suspended on s LSI Corporation Confidential 125 Embedded MegaRAID Software User Guide Appendix A Events and Messages March 2012 Table 49 Event Messages Continued Number Hex are Type Event Text 0x019a 410 Information Background Initialization resumed on 0x019b 411 Information Reconstruction suspended on 96s 0x019c 412 Information Rebuild suspended on 0x019d 413 Information Copyback suspended on s 0x019e 414 Information Reminder Consistency Check suspended on 0x019f 415 Information Reminder Background Initializa
154. ritcal CopyBack failed on PD 96s due to source 96s error 0x011b 283 Warning Early Power off warning was unsuccessful 0x011c 284 Information BBU FRU is s 0x011d 285 Information s FRU is s 0x011e 286 Information Controller hardware revision ID s 0x011f 287 Warning Foreign import shall result in a backward incompatible upgrade of configuration metadata 0x0120 288 Information Redundant path restored for PD s 0x0121 289 Warning Redundant path broken for PD s 0x0122 290 Information Redundant enclosure EMM s inserted for EMM s 0x0123 291 Information Redundant enclosure EMM s removed for EMM s 0x0124 292 Warning Patrol Read can t be started as PDs are either not ONLINE or are in a VD with an active process or are in an excluded VD 0x0125 293 Information Copyback aborted by user on PD s and src is PD s 0x0126 294 Critical Copyback aborted on hot spare s from s as hot spare needed for rebuild LSI Corporation Confidential 122 Embedded MegaRAID Software User Guide Appendix A Events and Messages March 2012 Table 49 Event Messages Continued Number Hex ee Type Event Text 0x0127 295 Warning Copyback aborted on PD s from PD s as rebuild required in the array 0x0128 296 Fatal Controller cache discarded for missing or offline VD s When a VD with cached data goes offline or missing during runtime the cache for the VD is discarded
155. rtual drive options from the defaults listed on the screen as needed Use the cursor keys to navigate between the virtual drive parameters and press Enter to select an option Here are brief explanations of the virtual drive options RAID Level The drop down menu lists the possible RAID levels for the virtual drive In some cases only one RAID level is available depending on the number of drives in the drive group Size This setting specifies the capacity of the virtual drive Disk Write Cache Policy When the disk Write Cache is On a write transaction is considered to be complete when all the data has been written to the disk cache When disk Write Cache is Off the write transaction is complete only when the data has been written to the disk Read Ahead Policy When disk Read Ahead is On extra data is read sequentially ahead of the data that is actually requested and this extra data is stored in cache memory If the additional read ahead data is then requested it can be read faster from the cache than from the disk directly This setting speeds up reads for sequential data but there is little improvement when accessing random data Accept Select this option to accept the virtual drive parameters SPAN Choose whether to span drive groups This setting is available only for RAID 10 drive groups LSI Corporation 28 Embedded MegaRAID Software User Guide Chapter 3 LSI Software RAID Configuration Utility M
156. s m Savean xm1 backup file of the entire alert configuration LSI Corporation 95 Embedded MegaRAID Software User Guide Chapter 8 Monitoring System Events and Storage Devices March 2012 8 2 1 Configuring Alert Notifications Load all of the values from a previously saved backup into the dialog to edit or send to the monitor N NOTE When you load a saved backup file all unsaved changes made in the current session are lost Select the Mail Server tab to perform the following actions Enter or edit the sender email address Enter the name of the SMTP server Require authentification of the email server Save an xm1 backup file of the entire alert configuration Load all of the values from a previously saved backup into the dialog to edit or send to the monitor N NOTE When you load a saved backup file all unsaved changes made in the current session will be lost Select the Email tab to perform the following actions Add new email addresses for recipients of alert notifications Send test messages to the recipient email addresses Remove email addresses of recipients of alert notifications Save an xm1 backup file of the entire alert configuration Load all of the values from a previously saved backup into the dialog to edit or send to the monitor N NOTE When you load a saved backup file all unsaved changes made in the current session will be lost Setting Alert Delivery Methods You can se
157. s is full 0x0167 359 Warning View at 96s to snapshot at 96s is 809696 full on snapshot repository 96s 0x0168 360 Critical View at 96s to snapshot at 96s is full on snapshot repository 96s 0x0169 361 Critical Snapshot repository lost for 96s 0x016a 362 Warning Snaphot repository restored for 96s 0x016b 363 Critical Snapshot encountered an unexpected internal error Ox lx 0x016c 364 Information Auto Snapshot enabled on 96s snapshot repository 96s 0x016d 365 Information Auto Snapshot disabled on 96s snapshot repository 96s 0x016e 366 Critical Configuration command could not be committed to disk please retry 0x016f 367 Information COD on s updated as it was stale 0x0170 368 Warning Power state change failed on s from s to s 0x0171 369 Warning s is not available 0x0172 370 Information s is available LSI Corporation Confidential 124 Embedded MegaRAID Software User Guide Appendix A Events and Messages March 2012 Table 49 Event Messages Continued Number Hex Magical Type Event Text 0x0173 371 Information 96s is used for CacheCade with capacity 0x lx logical blocks 0x0174 372 Information 96s is using CacheCade 96s 0x0175 373 Information 96s is no longer using CacheCade 96s 0x0176 374 Critical Snapshot deleted due to resource constraints for 96s in snapshot repository 96s 0x0177 375 Warning Auto Snapshot
158. s have been successfully created If more drive capacity exists the dialog box asks whether you want to create more virtual drives If no more drive capacity exists you are prompted to close the configuration session Select Yes or No to indicate whether you want to create additional virtual drives If you select Yes the system takes you to the Create Virtual Drive screen as shown in Figure 38 If you select No the utility asks whether you want to close the wizard If you selected No in the previous step select Yes or No to indicate whether you want to close the wizard If you select Yes the configuration procedure closes If you select No the dialog box closes and you remain on the same page LSI Corporation 88 Embedded MegaRAID Software User Guide Chapter 7 Configuration March 2012 Changing Adjustable Task Rates 7 2 Changing Adjustable Task Rates Follow these steps if you need to change the adjustable rates for rebuilds and other system tasks that run in the background NOTE Leave the adjustable task rates at their default settings to achieve the best system performance If you SJ raise the task rates above the defaults foreground tasks will run more slowly and it might seem that the system is not responding If you lower the task rates below the defaults rebuilds and other background tasks might run very slowly and might not complete within a reasonable time If you decide to change the values record the original
159. s required For remote server management C StandAlone a This option will only install components required for local server management InstallShield is option will install all program features servers lt Back Next gt Cancel 8 Select one of the Setup options The screen text explains the options Normally you would select Complete if you are installing MegaRAID Storage Manager on a server This option installs the complete MSM Select Client if you are installing MegaRAID Storage Manager on a PC that will be used to view and configure servers over a network Master GUI Monitor Configurator Help files for both MSM and Monitor Configurator and DebugLog are available The following are not available Popup SNMP Monitor Framework Storelib and Storelib IR StorelibJNI and StorelibIRJNI Select Server to install only those components required for remote server management Popup SNMP Monitor Framework Storelib and Storelib IR StorelibJNI and StorelibIRJNI are available Master GUI Monitor Configurator Help files for both MSM and Monitor Configurator and DebugLog are not available Select StandAlone if you will use MegaRAID Storage Manager to create and manage storage configurations on a standalone workstation All of the components are available except for the Network Capability Plugin 9 Click Next to proceed 10 Click Install to install the program 11 Click Finish when the
160. s since power on 0x002d 45 Information User entered firmware debugger 0x002e 46 Warning Background Initialization aborted on s 0x002f 47 Warning Background Initialization corrected medium error 96s at lx 0x0030 48 Information Background Initialization completed on 96s 0x0031 49 Fatal Background Initialization corrected medium error 96s at lx 96s at lx 0x0032 50 Fatal Background Initialization detected uncorrectable double medium errors 96s at lx on 96s 0x0033 51 Caution Background Initialization failed on 96s 0x0034 52 Progress Background Initialization progress on 96s is 96s 0x0035 53 Information Background Initialization started on 96s 0x0036 54 Information Policy change on 96s from 96s to 96s 0x0038 56 Warning Consistency Check aborted on 96s LSI Corporation Confidential 116 Embedded MegaRAID Software User Guide Appendix A Events and Messages March 2012 Table 49 Event Messages Continued Number Hex peat Type Event Text 0x0039 57 Warning Consistency Check corrected medium error 96s at lx 96s at lx 0x003a 58 Information Consistency Check done on 96s 0x003b 59 Information Consistency Check done with corrections on 96s corrections d 0x003c 60 Fatal Consistency Check detected uncorrectable double medium errors 96s at 96lx on 96s 0x003d 61 Caution Consistency Check failed on 96s 0x003e 62 Fatal Consistenc
161. scription of the event For more information about the event log see Section 8 1 Monitoring System Events on page 93 For more information about the event log entries see Appendix A Events and Messages on page 115 LSI Corporation 78 Embedded MegaRAID Software User Guide Chapter 6 MegaRAID Storage Manager Screen and Menus March 2012 6 2 3 6 2 3 1 6 2 3 2 6 2 3 3 6 2 3 4 6 2 3 5 MegaRAID Storage Manager Main Menu Screen Menu Bar Here are brief descriptions of the main selections on the MegaRAID Storage Manager menu bar Specific menu options are described in more detail in Chapter 8 Monitoring System Events and Chapter 6 Maintaining and Managing Storage Configurations of this manual Manage Menu The Manage menu has a Refresh option for updating the display in the MegaRAID Storage Manager main menu screen refresh is seldom required the display normally updates automatically and an Exit option to end your session on MegaRAID Storage Manager The Server menu item shows all the servers that were discovered by a scan In addition you can perform a check consistency initialize multiple virtual groups and show the progress of group operations on virtual drives Go To Menu The Go To menu is available when you select a controller drive group physical drive virtual drive or battery backup unit in the main menu screen The menu options vary depending on the type of device selected in the left panel of the
162. ssing s 0x0102 258 Warning Puncturing of LBAs enabled 0x0103 259 Warning Puncturing of LBAs disabled 0x0104 260 Critical Enclosure s EMM d not installed 0x0105 261 Information Package version 96s 0x0106 262 Warning Global affinity Hot Spare 96s commissioned in a different enclosure 0x0107 263 Warning Foreign configuration table overflow 0x0108 264 Warning Partial foreign configuration imported PDs not imported 96s 0x0109 265 Information Connector 96s is active 0x010a 266 Information Board Revision 96s 0x010b 267 Warning Command timeout on PD s CDB s 0x010c 268 Warning PD s reset Type 02x 0x010d 269 Warning VD bad block table on s is 80 full 0x010e 270 Fatal VD bad block table on 96s is full unable to log block 96lx on 96s at lx 0x010f 271 Fatal Uncorrectable medium error logged for 96s at lx on 96s at lx 0x0110 272 Information VD medium error corrected on 96s at lx 0x0111 273 Warning Bad block table on PD 96s is 10096 full 0x0112 274 Warning VD bad block table on PD 96s is 10096 full 0x0113 275 Fatal Controller needs replacement IOP is faulty 0x0114 276 Information CopyBack started on PD 96s from PD 96s 0x0115 277 Information CopyBack aborted on PD 96s and src is PD 96s 0x0116 278 Information CopyBack complete on PD 96s from PD 96s 0x0117 279 Progress CopyBack progress on PD 96s is 96s 0x0118 280 Information CopyBack resumed on PD 96s from 96s 0x0119 281 Information CopyBack automatically started on PD 96s from 96s 0x011a 282 C
163. ster of medium errors corrected for 96s at lx on 96s at lx 0x0152 338 Information Controller requests a host bus rescan 0x0153 339 Information Controller repurposed and factory defaults restored 0x0154 340 Information Drive security key binding updated 0x0155 341 Information Drive security is in EKM mode 0x0156 342 Warning Drive security failed to communicate with EKMS 0x0157 343 Information 96s needs key to be 96s 96s 0x0158 344 Warning 96s secure failed 0x0159 345 Critical Controller encountered a fatal error and was reset 0x015a 346 Information Snapshots enabled on 96s Repository 96s 0x015b 347 Information Snapshots disabled on 96s Repository 96s by the user 0x015c 348 Critical Snapshots disabled on s Repository s due to a fatal error 0x015d 349 Information Snapshot created on s at s 0x015e 350 Information Snapshot deleted on 96s at 96s 0x015f 351 Information View created at s to a snapshot at s for s 0x0160 352 Information View at 96s is deleted to snapshot at 96s for 96s 0x0161 353 Information Snapshot rollback started on 96s from snapshot at 96s 0x0162 354 Fatal Snapshot rollback on 96s internally aborted for snapshot at 96s 0x0163 355 Information Snapshot rollback on s completed for snapshot at s 0x0164 356 Information Snapshot rollback progress for snapshot at s on s is s 0x0165 357 Warning Snapshot space for 96s in snapshot repository 96s is 80 full 0x0166 358 Critical Snapshot space for 96s in snapshot repository 96
164. tart it it begins at O percent LSI Corporation Embedded MegaRAID Software User Guide Chapter 3 LSI Software RAID Configuration Utility March 2012 Displaying and Changing Controller Properties 3 12 Displaying and Changing Controller Properties This section explains how you can use the LSI Software RAID Configuration Utility to display and change the properties for the controllers 3 12 1 Displaying and Changing Controller Properties Follow these steps to display the properties of a controller 1 Onthe Management Menu screen select Objects gt Adapter The list of controllers appear in a dialog box 2 Highlight a controller with your cursor and press Enter The following figure appears Figure 26 Controller Properties Screen System Console ES LSI Software RAID Configuration Utility Uer A 6 BIOS Versi A 09 67211059R anagenen Adi Conf igure rtual D l BGI Rate tialize sical k UC te Check Consistency Cont On Error Fast Init Enable jAuto Rebuild On Auto R Enable Disk Coe 1GB Factory Default L LSI Corporation 44 Embedded MegaRAID Software User Guide Chapter 3 LSI Software RAID Configuration Utility March 2012 Displaying and Changing Controller Properties Table 2 describes the entries options listed on the controller properties screen LSI recommends that you leave these options at their default settings to achieve the best performance unless
165. te Drive Group Drive Group Settings xj LSIz t u gt Create the drive group by specitying the RAID level and Drive security method RAID level Pick a RAID level to specify the amount of fault tolerance and performance for the virtual drives Drive security method ssec Drive security will make the virtual drive secure by applying encryption logic to E underlying data in the drive Select uncanfigured drives Drive groups 1 ST Fmherided MegaRATD Riis 0 Dev 31 SATA 232RR Add gt Five Group1 LSI Corporation 86 Embedded MegaRAID Software User Guide Chapter 7 Configuration March 2012 Creating a New Storage Configuration 4 Perform the following actions in the Create Drive Group Settings dialog box a Select the RAID level desired for the drive group from the drop down menu The drive group appears in the Drive groups field The RAID controller supports RAID levels 1 5 and 10 In addition it supports independent drives configured as RAID 0 The screen text gives a brief description of the RAID level you select Which RAID levels you can choose depend on the number of drives available Select unconfigured drives from the list of drives and click Add gt to add them to the drive group The selected drives appear under Drive Group number If you are creating a RAID 10 drive group perform the following steps If not go to step d NOTE On a RAID 10 array you can create only one virtual dr
166. ter using the configuration utilities When the disk Write Cache is On a write transaction is considered to be complete when all the data has been written to the disk cache When disk Write Cache is Off the write transaction is complete only when the data has been written to the disk Read Ahead Policy When disk Read Ahead is On extra data is read sequentially ahead of the data that is actually requested and this extra data is stored in cache memory If the additional read ahead data is then requested it can be read faster from the cache than from the disk directly This setting speeds up reads for sequential data but there is little improvement when accessing random data Accept Select this option to accept the virtual drive parameters SPAN Choose whether to span drive groups This setting is available only for RAID 10 drive groups Highlight Accept with your cursor and press Enter The virtual drive configuration displays Press any key to continue Click Yes at the prompt to save the configuration The LSI Software RAID Configuration Utility begins a background initialization of the virtual drives New RAID 5 virtual drives require a minimum number of drives for a background initialization to start If there are fewer drives than the minimum the background initialization will not start LSI Corporation 36 Embedded MegaRAID Software User Guide Chapter 3 LSI Software RAID Configuration Utility March 2012 Clearing a Stora
167. the disk cache When disk Write Cache is Off the write transaction is complete only when the data has been written to the disk Read Ahead RA On Off On When disk Read Ahead is On extra data is read sequentially ahead of the data that is actually requested and this extra data is stored in cache memory If the additional read ahead data is then requested it can be read faster from the cache than from the disk directly This setting speeds up reads for sequential data but there is little improvement when accessing random data BIOS State Enable Disable Enable Use this option to enable or disable the BIOS for the selected controller If the boot device is on the selected controller the BIOS must be enabled otherwise the BIOS should be disabled or it might not be possible to use a boot device elsewhere Cont On Error No Yes Yes Enable this option if you want the boot process to continue when the controller BIOS encounters an error during boot up Fast Init Enable Disable Enable A fast initialization quickly writes zeroes to the first and last 10 MB regions of the new virtual drive and then completes the initialization in the background It is seldom necessary to use this option because the virtual drive was already initialized when you created it Auto Rebuild On Off On Auto rebuild allows a failed drive to be replaced and the data automatically rebuilt by hot swapping the drive in the same drive bay The R
168. the email addresses that you added for the recipients of alert notifications 1 Clickthe Email tab on the Event Notification Configuration screen The Email section of the screen appears as shown in the following figure Click an email address in the Recipient email addresses field Click Test Confirm whether the test message was sent to the email address If MegaRAID Storage Manager cannot send an email message to the email address an error message appears LSI Corporation 101 Embedded MegaRAID Software User Guide Chapter 8 Monitoring System Events and Storage Devices March 2012 8 2 11 8 3 Monitoring Controllers Removing Email Addresses of Recipients of Alert Notifications Use the Email tab portion of the Alerts Notification Configuration screen to remove email addresses of the recipients of alert notifications 1 Click the Email tab on the Event Notification Configuration screen The Email section of the screen appears as shown in Figure 58 2 Click an email address in the Recipient email addresses field The Remove button which was grayed out is now active 3 Click Remove The email address is deleted from the list Monitoring Controllers N NOTE The Embedded MegaRAID Software drivers act as virtual controllers Because these are not actual hardware storage controllers installed in the computer system some of the controller properties shown in the following screen do not apply to them When MegaRAID S
169. the selected adapter For RAID levels 0 1 or 5 see Section 4 7 1 Add RAID 0 RAID 1 or RAID 5 Configuration on page 56 NOTE On a RAID 10 array you can create only one virtual drive and that virtual drive must occupy the entire NI space of the RAID 10 array Table 15 Add RAID 10 Configuration Syntax MegaCLI CfgSpanAdd R10 ArrayO E0 Sn Arrayl E0 Sn wT WB NORA RA ADRA Direct Cached strpszM aN Description Creates a RAID level 10 spanned configuration from the specified arrays Even if no configuration is present you must use this option to write the configuration to the adapter Multiple arrays are specified using the ArrayX E0 Sn option Note that X starts from 0 not 1 All the arrays must have the same number of physical drives At least two arrays must be provided The options WT WB NORA RA ADRA Direct Cached must be entered in the sequence that is shown Clear Existing Configuration Use the command in Table 16 to clear the existing storage configuration on the selected adapter s Table 16 Clear Existing Configuration Syntax MegaCLI CfgClr aN a0 1 2 aALL Description Clears the existing storage configuration Display Existing Configuration Use the command in Table 17 to display the virtual drive and physical disk drive information for the configuration on the selected adapter s This command also provides
170. ting system automatically adds the driver to the registry and copies the driver to the appropriate directory 1 Start the Windows 7 2008 or Vista installation by booting from the appropriate Windows DVD The system BIOS must support booting from a DVD BIOS settings might require changes to allow DVD booting See your system documentation Windows loads the file and the first installation screen appears 2 Select your language and other settings based upon your location and preference 3 Press Next The Windows Install screen appears 4 Press Install Now to start the installation wizard The software license screen appears 5 Click the checkbox to accept the software license and click Next The next installation screen appears 6 Select the type of installation you want Follow the prompts to select the location where you want to install Windows and click Next The program begins installing the files Your system will restart several time during the installation process Updating the Windows Driver Perform the following steps to update the Embedded MegaRAID Software driver for Windows or to install this driver on an existing system booted from a standard IDE drive 1 ClickStart point to Settings and then click Control Panel 2 Double click System click the Hardware tab and then click Device Manager Device Manager starts 3 In Device Manager double click SCSI and RAID Controllers right click the device for which you are install
171. tion and background initialization BGI BGl is for RAID 5 configurations only S NOTE The BIOS program and the BIOS Configuration Utility Ctrl M do not start or resume background initialization BGI If BGI is already in progress you cannot start the Check Consistency operation LSI Corporation 8 Embedded MegaRAID Software User Guide Chapter 1 Overview March 2012 1 1 6 1 2 RAID Overview RAID Management Utility Features The following features are available to manage the virtual drives and the physical drives in the system Configuration information display in MegaRAID Storage Manager Physical drive properties and virtual drive properties Drive group array management Error logging and notification Auto configuration support of newly added drive Ability to save and restore a configuration RAID Overview This section provides a brief overview of the types of RAID configurations that Embedded MegaRAID Software supports The first step in creating a RAID storage configuration is to configure drives in drive groups also known as arrays As defined for Embedded MegaRAID Software a drive group is a group of one to eight physical disks that is seen by the host computer system as one large disk drive or virtual drive Only one RAID level can be assigned to a drive group A RAID 0 drive group consists of one to eight drives A RAID 1 drive group consists of two drives A RAID 5 drive group consists of three
172. tion suspended on s 0x01a0 416 Information Reminder Reconstruction suspended on s 0x01a1 417 Information Reminder Rebuild suspended on s 0x01a2 418 Information Reminder Copyback suspended on s 0x01a3 419 Information Reminder Patrol Read suspended 0x01a4 420 Information Erase aborted on s 0x01a5 421 Critical Erase failed on s Error 02x 0x01a6 422 Progress Erase progress on s is s 0x01a7 423 Information Erase started on s 0x01a8 424 Information Erase completed on s 0x01a9 425 Information Erase aborted on s 0x01aa 426 Critical Erase failed on s 0x01ab 427 Progress Erase progress on s is s 0x01ac 428 Information Erase started on s 0x01ad 429 Information Erase complete on s 0x01ae 430 Warning Potential leakage during erase on s Ox01af 431 Warning Battery charging was suspended due to high battery temperature 0x01b0 432 Information NVCache firmware update was successful 0x01b1 433 Warning NVCache firmware update failed 0x01b2 434 Fatal s access blocked as cached data in CacheCade is unavailable 0x01b3 435 Information CacheCade disassociate started on s 0x01b4 436 Information CacheCade disassociate completed on 96s 0x01b5 437 Critical CacheCade disassociate failed on s 0x01b6 438 Progress CacheCade disassociate progress on s is s 0x01b7 439 Information CacheCade disassociate aborted by user on s 0x01b8 440 Information Link speed changed on SAS port d and PHY d 0x01b9 441 Warning Advanced Software Options was deactivated for
173. torage Manager is running you can see the status of all controllers in the left panel of the MegaRAID Storage Manager main menu screen If the controller is operating normally the controller icon looks like this If the controller has failed a small red circle appears to the right of the icon See Section 6 2 1 Dashboard Physical View Logical Views on page 75 for a complete list of device icons To display complete controller information click a controller icon in the left panel of the MegaRAID Storage Manager main menu screen The controller properties display in the right panel as shown in the following figure Figure 59 Controller Properties MegaRAID Storage Manager 8 17 2000 lej xj Manage GoTo Log Toos Hep iTS o E TQ9 Welcome administrator Full Access Log Off Dashboard Physical Logical edded MegaRAID Bus 0 Dev 31 Slot 0 SATA 232 886 GB Online Power savings on unconfigured drives Slot 1 SATA 232 886 GB Online Slot 2 SATA 232 886 GB Unconfigured Good LSI Embedded MegaRAID Power savings on hot spares Optical Drive 4 Unknown HLDTSTDVDRAM Backend SAS Address 0 Backend SAS Address 1 Backend SAS Address 2 Backend SAS Address 3 Backend SAS Address 4 Backend SAS Address 5 Cluster Enable Cluster Active SSD Guard Drive Security Properties Drive security capable ay mo T Frenrtaval T Data Time si Recrrintinan aen LSI Corporation 102 Em
174. tructions Clear Configuration Clear Configuration erases the current configuration information Section 3 6 Clearing a Storage Configuration on page 37 provides detailed instructions Specify Boot Drive Specify Boot Drive enables you to specify a virtual drive as the boot drive on the controller if you have created virtual drives Section 3 7 Configuring a Bootable Virtual Drive on page 38 provides detailed instructions LSI Corporation 23 Embedded MegaRAID Software User Guide Chapter 3 LSI Software RAID Configuration Utility March 2012 3 4 3 5 3 5 1 Configuring Drive Groups and Virtual Drives Configuring Drive Groups and Virtual Drives The following sections provide detailed instructions for configuring drive groups and virtual drives with the LSI Software RAID CU NOTE Use drives with the same capacity when you create a storage configuration If you use drives with SJ different capacities in one drive group the CU limits each drive to the capacity of the smallest drive The number of physical drives in a specific drive group determines the possible RAID levels that you can implement with the drive group RAID 0 requires from one to eight physical drives RAID 1 requires two physical drives RAID 5 required three to eight physical drives RAID 10 requires four six or eight physical drives Creating a Storage Configuration This section explains how to use the LSI Softwar
175. uild or displays the rebuild progress on a single controller multiple controllers or all controllers Note that the drive must meet the capacity requirements before it can be rebuilt and it must be part of a drive group m Start Starts a rebuild on the selected drive s and displays the rebuild progress optional m Stop Stops an ongoing rebuild on the selected drive s m ShowProg Displays the current progress percentage and time remaining for the rebuild This option is useful for running the application through scripts m ProgDsply Displays the ongoing rebuild progress This routine displays the rebuild progress until at least one initialization is completed or a key is pressed m Physdrv E0 S0 Specifies the physical drive enclosure and the slots for the drives 4 9 8 Locate Physical Disk Drive s and Activate LED Use the command in Table 36 to locate physical disk drive s by flashing the drive activity LED Table 36 Locate Drive and Activate the LED Syntax MegaCLI PDLocate Start Stop PhysDrv E0 Sn aN a0 1 2 aALL Description Locates the drive s for the selected controller s and activates the drive activity LED m Physdrv E0 S0 Specifies the physical drive enclosure and the slots for the drives 4 9 9 Replace Configured Disk Drives and Start Automatic Rebuild Use the command in Table 37 to replace a configured physical disk drive and start an automatic rebuild of the dr
176. ured Physical Disk Drive as Missing PDMarkMissing Set Virtual Drive Properties LDSet Prop Virtual Drive Reconstruction LDRecon NOTE The Embedded MegaRAID Software utility does not support Write Policy Read Policy or I O Policy N Software RAID supports only enabling and disabling the drive s write cache and read ahead functions NOTE MegaCLI CT for Embedded MegaRAID Software does not support the concept of disk enclosures SJ except for a default Enclosure 0 EO Some of the commands support an E0 Sn syntax that enables you to specify a drive in a particular slot in this default enclosure Exception Handling MegacCLI CT exits with exit code 0 for all successful operations In case of failure it exits with exit code 1 to 255 depending on the failure conditions For example assume that a rebuild is started on three physical drives MegaCLl CT successfully starts rebuilding the first drive but fails to start rebuilding the second drive If this happens MegaCLl CT does not attempt to start rebuilding the third drive instead it exits with an error exit code In this case the error code is EXIT ERR START RBLD So even if the command was partially successful an error code is still generated Some operations such as GetNumberOfAdapters or GetNumberofLogicaldrives return with the actual number of controllers or virtual drives These return values are special cases and do not reflect any error conditions based on the r
177. ve s properties on the adapter Display and change adapter properties Load a configuration to the adapter from a file Save an adapter configuration to a file Start or stop rebuild consistency check and initialization Suspend and display an ongoing background initialization Display relevant user messages on the console or write them to the log file Work in silent mode if selected no messages are displayed on the console Display adapter inventory data in a single command Customize output strings Exit with predefined success or failure exit codes Set some predefined environment variables such as number of adapters and number of virtual drives after the execution of CT Display help on how to use the command line options LSI Corporation Embedded MegaRAID Software User Guide Chapter 4 MegaCLI Command Tool March 2012 4 2 4 3 MegaCLI Commands Not Supported by Embedded MegaRAID Software MegaCLI Commands Not Supported by Embedded MegaRAID Software Some MegaCLI CT commands that are supported in hardware RAID configurations are not supported under Embedded MegaRAID Software These include the following commands Adapter Cache Flush AdpCacheFlush Cluster Enable AdpGet Properties AdpSet Properties Diagnostics AdpDiag AdpBatTest AdpNVRAM Display Enclosure Information EncInfo Display List of Missing Physical Disk Drives PDGetMissing Foreign Configuration CC gForeign Mark Config
178. vice Support The Embedded MegaRAID Software offers the following device support Support for up to 8 physical drives Support for SATA 6Gb s drives Support for SAS 3Gb s drives Support for Solid State Drives SSDs SATA CD DVD ROM support SATA tape device support Optical device CD DVD hot plug feature used to connect optical devices while the operating system is running Hot plug support online drive insertion and removal Support for drive roaming Support for disk coercion None 128 MB and 1 GB 1 1 2 RAID Features The Embedded MegaRAID Software supports the following RAID features Support for RAID 0 RAID 1 RAID 52 and RAID 10 Support for up to 8 virtual drives Support for virtual drives larger than 2 TB Stripe size of 64 KB only Virtual drive availability immediately after creation Support for the random deletion of virtual drives Support for array cache setting a RAID 10 volume is considered as a single array though it might have 2 3 or 4 spans 1 AHCl based chipsets only 2 RAID 5 is a premium feature LSI Corporation zJ a Embedded MegaRAID Software User Guide Chapter 1 Overview March 2012 1 1 3 1 1 5 Embedded MegaRAID Software Features Support for migration path from Embedded MegaRAID Software to MegaRAID SAS RAID controllers Check consistency for RAID 1 RAID 5 and RAID 10 Drive group initialization support fast and full Support for auto or manual rebuild Ability to set the
179. wn in the following figure Figure 6 LSI Software RAID Configuration Menu System Console ftuare RAID Check Consist ency Table 1 describes these methods The Configuration Menu has an Advance submenu that enables you to set specific options The available options depend upon the configuration method you use Table 1 LSI Software RAID Configuration Utility Configuration Menu Option Description Easy Configuration Easy Configuration automatically associates every drive group with one virtual drive Through the Advance Menu Easy Configuration allows you to modify the RAID level and stripe size Section 3 5 2 Using Easy Configuration on page 26 provides detailed instructions New Configuration New Configuration allows you to modify the RAID level stripe size virtual drive size and disk spanning associating virtual drives with multiple drive groups If you select New Configuration the CU deletes the existing configuration information on the selected controller when saving the new configuration Section 3 5 3 Using New Configuration on page 30 provides detailed instructions View Add View Add Configuration allows you to control the same virtual drive parameters as New Configuration without Configuration disturbing the existing configuration information The View Add configuration also allows you to enable the Configuration on Disk feature Section 3 5 4 Using View Add Configuration on page 34 provides detailed ins
180. word field Click OK Saving Backup Configurations You can save an xm1 backup file of the entire alert configuration This includes all the settings on the three tabs 1 Onthe Alerts Notification Configuration screen click the Alert Settings tab Mail Server tab or Email tab 2 Click Save Backup The drive directory appears 3 Enter a file name with an xm1 extension for the backup configuration in the format filename xm1 Click Save The drive directory disappears 5 Click OK The backup configuration is saved and the Alert Notification Configuration screen closes Loading Backup Configurations You can load all of the values from a previously saved backup into the dialog all tabs to edit or send to the monitor CAUTION If you choose to load a backup configuration and the Configure Alerts dialog currently contains A changes that have not yet been sent to the monitor the changes will be lost You are prompted to confirm your choice 1 On the Alerts Notification Configuration screen click the Alert Settings tab Mail Server tab or Email tab 2 Click Load Backup A message warns that when you load a saved backup file all unsaved changes made in the current session will be lost 3 Click Yes The drive directory appears from which you can select a backup configuration to load 4 Select the backup configuration file it should be in xm1 format 5 Click Open The drive directory disappears 6 Click OK
181. y Check failed with uncorrectable data on 96s 0x003f 63 Warning Consistency Check found inconsistent parity on 96s at strip lx 0x0040 64 Warning Consistency Check inconsistency logging disabled on 96s too many inconsistencies 0x0041 65 Progress Consistency Check progress on 96s is 96s 0x0042 66 Information Consistency Check started on 96s 0x0043 67 Warning Initialization aborted on 96s 0x0044 68 Caution Initialization failed on 96s 0x0045 69 Progress Initialization progress on 96s is 96s 0x0046 70 Information Fast initialization started on 96s 0x0047 71 Information Full initialization started on 96s 0x0048 72 Information Initialization complete on 96s 0x0049 73 Information Properties updated to 96s from 96s 0x004a 74 Information Reconstruction complete on 96s 0x004b 75 Fatal Reconstruction of 96s stopped due to unrecoverable errors 0x004c 76 Fatal Reconstruct detected uncorrectable double medium errors 96s at lx on 96s at 96Ix 0x004d 77 Progress Reconstruction progress on s is s 0x004e 78 Information Reconstruction resumed on s 0x004f 79 Fatal Reconstruction resume of s failed due to configuration mismatch 0x0050 80 Information Reconstructing started on s 0x0051 81 Information State change on s from s to s 0x0052 82 Information Clear aborted on s 0x0053 83 Caution Clear failed on s Error 02x 0x0054 84 Progress Clear progress on s is s 0x0055 85 Information Clear started on 96s 0x0056 86 Information Clear completed on 96s 0x0057
182. y MegaCLl Version ssi creencia enaena EEE enn en EEE hse ehh he he hehe hehe ehh hehe 66 4 10 3 Display Help for the MegaCLl Utility 0 0 ccc cece ee ene en enn enn HH HH emn eh He em mee 66 4 10 4 Display Summary Informations iere etm eR etr eR te xxr nee REQEENE RANA VE ERTEG EE Ed NORTE ANS HEN ee eee ee Rees 66 Chapter 5 MegaRAID Storage Manager Overview and Installation c ccc cc cece ence cece ccc eene nhe hn 67 RESI PULO 67 5 1 1 Creating Storage Configurations 0 ccc ccc ne ne eee hee heh rh hehe ehe eee he hene 67 5 1 2 Monitoring Storage Devices ovre op iad Wook de ieee Ee dade C PP NR e UE bE UU KEINEN EA TERN REESE UC Ea 67 5 1 3 Maintaining Storage Configurations 0 cece ccc ene nee heh he heh re hs eh ha heme 68 5 2 Hardware and Software Requirements ssssssssssesessesess essen ene hen hh heh es hehe ehe heme hehe 68 Elm UUUUU 69 5 3 1 Installing MegaRAID Storage Manager on Microsoft Windows 0 cece cece nee eee eee ee he hehehe een 69 5 3 2 Installing MegaRAID Storage Manager for Linux 0 2 06 cece cece HH HH HH HH mH eh en 71 Chapter 6 MegaRAID Storage Manager Screen and Menus cece cece cece cece cece een hh nhe ee hh nnn 72 6 1 Starting MegaRAID Storage Manager 6 cece cece cece nec hehehe he e meme ett e e nne 72 6 2 MegaRAID Storage Manager Main Menu Screen sssssssssesesssee eee ee e e e n e n heces
183. you have a specific reason for changing them Table 2 Controller Properties and Values Property Options Default Rebuild Rate 0 to 100 percentage of system resources 30 Use this option to select the rebuild rate for drives connected to the selected controller The rebuild rate is the percentage of system resources dedicated to rebuilding a failed drive The higher the number the more system resources devoted to a rebuild Chk Const Rate 0 to 100 percentage of system resources 30 Use this option to select the amount of system resources dedicated to consistency checks of virtual drives connected to the selected controller FGI Rate Foreground 0 to 100 percentage of system resources 30 Initialization Rate Use this option to select the amount of system resources dedicated to foreground initialization of virtual drives connected to the selected controller BGI Rate Background 0 to 100 percentage of system resources 30 Initialization Rate Use this option to select the amount of system resources dedicated to background initialization of virtual drives connected to the selected controller Disk WC Disk Write Cache Off On Off Write Through You can disable the disk write cache option when you create a virtual drive Enabled but you can enable this option later using the configuration utilities When the disk Write Cache is On a write transaction is considered to be complete when all the data has been written to

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