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1. 0 cece ec e cece ee een ened eee nnn e nen e eee n een seen eet n ene eben eee eae 25 SIZ ACtIVALINGIAN ANAY sieni canine cist oe REEE E AEE E eames bata oe 6 Ra Rea ow ae ame deep teule a nate E E ELEA 25 5 33 Deleting an Array esis ace sca ens acting a E E a E E E EE sage ee ee RNS Me aa eee K comes 26 5 3 4 Locating a Disk Drive or Multiple Disk Drives in a Volume 0 cece cece cence teen ene ene ee ene ee een eneees 26 5 3 5 Selecting aiBOOUIDISK eseten e s hain gibisteeo eee a Gacea legs ce heey edie wag Search acteee RE OTEA 27 Appendix A Using the SAS2 Integrated RAID Configuration Utility Lunner cece eee ete bene een en een ennees 29 A 1 Hardware and Software Requirements 0 cece cece eee nen nnn ene EEE een een eden een EEE eet Een ene Ee eS 29 AAi Controller Support ssassn mnnn e a a cecum acti ab Aaa a EEEE a cog A heise gulea ace EEEE AEREA 29 A 1 2 Operating System and Software Support sssssssssesssssersrseerrerrerrerererrreererrrererrorrrrrorrereonns 29 AD lnteraceDEScriptiON serere r ea erR aE E AE E DEEE N E E EEE EA 30 AS COMMANA S e anere R NEE TETEE ia ceed E T E E ae Gian cen cots a pork Mees A O cee ees 30 A 3 1 Common Command Line Parameters 0 6 ccc cece eee nen eee nee e ede bene n ened ee net been eee 31 A 3 2 CREATE Command erener siine a ore E cogs weeniad sia eines E adoe aeeeee ee ees enn aoe cae CNS 31 A233 DELETE COMmMaNd nieAeniieded cay cesesnedanten
2. LSI Corporation Confidential July 2009 Appendix A Commands Ready RDY The drive is ready for use as a normal disk drive or it is ready to be assigned to a disk array or a hot spare pool Available AVL The drive may or may not be ready and it is not suitable for use in an array or a hot spare pool Failed FLD The drive was part of a logical drive or was a hot spare drive and it failed The drive is now offline Missing MIS The drive was part of a logical drive or was a hot spare drive and it is missing It has been removed or is not responding Standby SBY The device is not a hard disk device Out of Sync OSY The drive which is part of a logical drive is not in sync with other drives that are part of the logical drive Degraded DGD The drive is part of a logical drive and is in degraded state Rebuilding RBLD The drive is part of a logical drive and is currently rebuilding Optimal OPT The drive is optimal and is part of a logical drive Physical device Drive Type values are as follows SAS HDD The drive is a SAS hard disk drive HDD SATA HDD The drive is a SATA hard disk drive HDD SAS SSD The drive is a SAS solid state drive SSD SATA SSD The drive is a SATA solid state drive SSD Physical device Protocol values are as follows SAS The drive supports SAS protocol SATA The drive supports SATA protocol The HOTSPARE command adds a hot spare drive to spare pool 0
3. 1 On the Adapter List window select an LSI SAS adapter and press Enter The Adapter Properties screen appears as the following figure shows LSI Corp Config Utility Adapter SAS2008 PCI Slot 02 PCI Address Bus Dev 06 04 MPT Firmware Revision XX Xx xx xx IR SAS Address XXXXXXXX XXXXXXXX NVDATA Version XX XX Status Enabled Boot Order X Boot Support Figure 10 Adapter Properties Screen 2 Page 24 Select RAID Properties and press Enter The Create Array window appears Select Create RAID 0 Volume The Create New Array window appears Move the cursor to the RAID Disk column and select a line that has a No entry in this column indicating that the disk is not already part of the volume being created To add the disk to the new array change the No to Yes by pressing the space bar Move the cursor to another line and press the space bar to add another disk to the array Continue adding disks in this way until you have added the number you want Press C to create the array A menu appears From the menu options select Save changes then exit this menu A Processing message appears briefly and then the SAS2 BIOS CU returns to the Adapter Properties window Initialization of the new array continues in the background LSI Corporation Confidential July 2009 SAS2 Integrated RAID Solutions User Guide 5 3 Other Configuration Tasks 5 3 1 Viewing Volume Properties 5 3 2 Activating an Array LS
4. This chapter explains how to create Integrated Striping volumes using the LSI SAS2 BIOS Configuration Utility SAS2 BIOS CU 5 1 Integrated Striping Configuration Overview 5 2 Creating Integrated Striping Volumes LSI Corporation Confidential July 2009 The LSI SAS2 BIOS CU is a menu driven utility program that enables you to easily configure and manage Integrated RAID volumes You can use the SAS2 BIOS CU to create one or two Integrated Striping volumes on each LSI SAS2 controller Each volume can have from two to ten drives All disks in an Integrated Striping volume must be connected to the same LSI SAS2 controller Although you can use disks of different size in Integrated Striping volumes the smallest disk in the volume determines the logical size of all disks in the volume In other words the firmware does not use the excess space of the larger member disk s For example if you create an Integrated Striping volume with two 100 GB disks and two 120 GB disks the firmware uses only 100 GB on each of the larger disks for the volume The supported stripe size is 64 kilobytes Refer to Chapter 4 for more information about Integrated Striping volumes The SAS2 BIOS CU is part of the Fusion MPT BIOS When the BIOS loads during boot and you see the message about the LSI Configuration Utility press Ctrl C to start the CU After you do this the message changes to Please wait invoking SAS Configuration Utility After a b
5. Milpitas CA globalsupport lsi com www lsi com 800 372 2447 Document Number DB15 000543 00 Copyright 2009 LSI Corporation All Rights Reserved SAS2 Integrated RAID Solutions User Guide Table of Contents Table of Contents Chapter 1 Introduction to the Integrated RAID Solution 0 cece ccc nen teen eben e nee eden ete beeen etn enone 1 TA Benefits and F atures 62 sissies tns riants ramen Doe can ees eater ners panoone eee ssn ekeuia eee mene OE E paket ee ede saa neNeeEN a egret 1 1 1 1 Host Interface sasie aa sae seneie aap baetneiee baneade eee bea ada ONE VEA AR EEE E E A SERATE O EES eae 2 Tti Metadata SUPPO sirenen AEE RNEER GN AE E E E E EN EAA E E EAE 2 PES SMART SUPPO cals ha Sods cana EE E A E T AE E A ETE ES 2 11 4 FUSION MPT SUPPOTE cviinasicslentineied trwgicinaieaans SEE E EE TEN S DEEE E EAEE E EE OE 2 taUs this ManUal tcc Scnsiaciare tS a a AE E E EEE ATA E E E EAE ROES 2 Chapter 2 Overview of Integrated RAID Mirrored Volumes ounnunnnnunnnnnrrn n nrrrserrrrsrerrrsserrrssrerrrrerrrrrererrrrerrr 5 AT IMrOdUCtION sini sctdcins dad nenteenanseintnesad E EE A E EEE E E EEEE AA 5 2 2 Integrated Mirroring and Integrated Mirroring Enhanced Features cece cece ence ete e eee nee n eee teense eneeneeneneee 5 2 3 Operation of Mirrored Volumes ociii is scaceadociy dss eniecaa BARE es ancien dae n eal ces RAG Deb ade vena E ee weds EEE 6 2 4 Mirrored Volume Features csisicciudenncwns cond
6. You can select a boot disk in the SAS Topology window The next time you boot the computer the firmware moves this disk to scan ID 0 making it the new boot disk This makes it easier to set BIOS boot device options and to keep the boot device constant during device additions and removals You can also select an alternative boot device If the BIOS cannot find the preferred boot device when it loads it will attempt to boot from the alternate device Follow these steps to select a boot disk 1 In the SAS2 BIOS CU select an adapter from the Adapter List 2 Select the SAS Topology option If a device is currently configured as the boot device the Device Info column on the SAS Topology window lists the word Boot as shown in the following figure Page 19 Chapter 3 Creating Mirrored Volumes Other Configuration Tasks SAS2 Integrated RAID Solutions User Guide SI Corp Config Utility SAS2008 06 00 Controller Ji i Controller PHY 1 s SAS PHY 2 e Vio SAS SSD Expander J Expander PHY 1 RA ysical i SATA SSD PHY 2 4 Disk SATA SSD PHY 3 SATA Alt PHY 4 RAID Phy Disk SATA SSD Enclosure I T Enclosure l SLOT O 2 Disk Mod SATA l SLOT SATA l SLOT 7 SATA IR VOL 1 Boot m PHY 1 Some Disk Model Y RAID PHY 2 Some Disk Model Y RAID PHY 4 Some Disk Model X Hot Spare Alt M More Figure 7 Boot Device on SAS Topology Window If a device is currently configured as the alternate boot device the Device
7. 2 CREATE Command LSI Corporation Confidential July 2009 Appendix A Commands The commands are not case sensitive The command descriptions use the following conventions Enter the text in italics exactly as shown on the command line Replace text enclosed in lt gt with a required parameter Replace text enclosed in with an optional parameter Enter parameters enclosed in one or more times as required for the command being executed Do not enter the command line definition characters lt gt and on the command line This section describes command line parameters that are common to more than one command lt controller gt The unique controller number that the program assigns to each PCI function found on supported controller chips in the system starting with controller 0 For example in a system containing two LSISAS2008 controllers controller 0 references the first controller and controller 1 references the other controller Valid controller number values are 0 to 255 decimal m lt Enclosure Bay gt The enclosure and bay slot of a peripheral device attached to the bus The argument must use a colon as a separator and must follow the enclosure bay format Enclosure is a 16 bit EnclosureHandle value set by the IOC A value of 0 is invalid Bay Slot is a 16 bit slot value set by the IOC Use the DISPLAY command to get the enclosure and slot numbers of a drive The CREATE command cr
8. A 3 9 3 Program Return Value A 3 10 ACTIVATE Command A 3 10 1Command Line A 3 10 2Parameters A 3 10 3Program Return Value A 3 11 LOCATE Command A 3 11 1Command Line A 3 11 2Parameters A 3 11 3Program Return Value A 3 12 LOGIR Command A 3 12 1Command Line Page 38 SAS2 Integrated RAID Solutions User Guide The CONSTCHK command sends requests to the Integrated RAID firmware to start a consistency check operation on the specified volume sas2ircu lt controller gt constchk lt volumelId gt noprompt lt controller gt The index of the controller on which the consistency check operation needs to run m lt volumeld gt The volume ID of an Integrated RAID volume as listed in the DISPLAY command on which the consistency check operation needs to start noprompt This optional parameter prevents warnings and prompts from appearing while the command is running 0x00 SUCCESS Command completed successfully 0x01 FAILURE Bad command line arguments or operational failure 0x02 ADAPTER_NOT_FOUND Cannot find specified adapter The ACTIVATE command activates an inactive Integrated RAID volume sas2ircu lt controller gt activate lt volumelId gt lt controller gt The index of the controller with the volume that needs to be activated m lt volumeld gt The volume ID of an Integrated RAID volume currently in the Inactive state 0x00 SUCCESS Command completed successfull
9. Info column shows the word Alt 3 To select the preferred boot disk move the cursor to the disk and press Alt B To remove the boot designator move the cursor to the current boot disk and press Alt B This controller will no longer have a disk designated as boot 5 To change the boot disk move the cursor to the new boot disk and press Alt B The Boot designator moves to this disk 6 To select an alternate boot disk move the cursor to the disk and press AIt A NOTE To change the alternate boot device from one disk to another follow steps 4 and 5 above but use AIt A instead of Alt B Page 20 LSI Corporation Confidential July 2009 SAS2 Integrated RAID Solutions User Guide Chapter 4 Overview of Integrated Striping Introduction Chapter 4 Overview of Integrated Striping This chapter provides an overview of the LSI Integrated RAID features that support the creation of striped arrays 4 1 Introduction LSI Integrated RAID enables you to create Integrated Striping volumes for applications a that require the faster performance and increased storage capacity of striping The low cost Integrated Striping feature has many of the advantages of a more expensive RAID striping solution You can configure an Integrated Striping volume as the boot disk or as a data disk The Integrated Striping solution provides better performance and more capacity than individual disks without burdening the host CPU The firmware splits ho
10. MM ews dees Rea eee SoatGe alee Hewey 18 3 44 Deleting an Aay eera eae E E OEA whe ewes AEA O AEAEE EAEE E EE E Shoe Ree E dee whee 18 3 4 5 Locating Disk Drives in a VOIUME 6 cece cece cee EEEE R EEEE EE EA 19 3 4 6 Selecting a BOOtDISK vs sjaiccesvai ane 4 i orenen ECE AE ETERRA ew sinuiely Undies TET TEETE EENE 19 Chapter 4 Overview of Integrated Striping 0 c cece cece nn ne en nnn e nen ned e nee e teen ene e been eee e been eneees 21 AM INGOAUCHON asane ee Si heed anew aeune Se deaia an ES EAN ESE be cancume Aad ons bes N TON EE E E AN 21 42 Integrated Striping Features o ic cvsehrseidee canes pren EEANN E E EETA wesw sale caue ev EEEE EE EEEE ER 21 4 3 Integrated Striping Description sssri sssr ccc nen EEEE EEE nen Eee ene Ee enn Eee dene EEE Eee 22 Chapter 5 Creating Integrated Striping Volumes 0 cece cece n nnn n ened ede een e teen eben een eben eens 23 5 1 Integrated Striping Configuration Overview cece ccc centre ee tne enn e nen tenet n nee e dE eee tne e een tenn ene ees 23 LSI Corporation Confidential July 2009 Pagei Table of Contents SAS2 Integrated RAID Solutions User Guide 5 2 Creating Integrated Striping Volumes cece cece cee ne nee ne eden enn e need e needed eden eens teen eben een eneees 23 53 Other Configuration Tasks ciacvecsacacitch ta riaa ena Gaon Weteu de pea oad eee RT EEEN OE EO RESE ddeewads coy E weed eats 25 5 3 1 Viewing Volume Properties
11. device options and to keep the boot device constant during device additions and removals You can also select an alternative boot device If the BIOS cannot find the preferred boot device when it loads it will attempt to boot from the alternate device Follow these steps to select a boot disk 1 In the SAS2 BIOS CU select an adapter from the Adapter List 2 Select the SAS Topology option If a device is currently configured as the boot device the Device Info column on the SAS Topology window lists the word Boot as shown in the following figure LSI Corp Config Utility SAS2008 06 00 Controller Controller PHY 1 N SAS PHY2 lt SAS SSD Expander 0 Expander PHY 1 SATA SSD PHY 2 a SATA SSD PHY 3 lt SATA Alt PHY 4 al x SATA SSD Enclosure Enclosure l SLOTO A SATA l SLOT 6 SATA l SLOT 7 SATA IR VOL CUISE PHY 1 Some Disk Model Y RAID PHY 2 Some Disk Model Y RAID Some Disk Model X Hot Spare Fl Help ice Properties AlttM More Figure 11 Boot Device on SAS Topology Window If a device is currently configured as the alternate boot device the Device Info column shows the word Alt 3 To select the preferred boot disk move the cursor to the disk and press Alt B To remove the boot designator move the cursor to the current boot disk and press Alt B This controller will no longer have a disk designated as boot 5 To change the boot disk move the cursor to the new boot disk and
12. disks they are replacing Follow these steps to expand an existing RAID1 volume with OCE 1 Physically replace one of the two volume disk drives with a drive that is at least 50 GB larger If necessary you can identify the disks in the volume by following the instructions in Section 3 4 5 Locating Disk Drives ina Volume 2 Wait until synchronization is complete on the new disk and the volume returns to the Optimal state as indicated in the Adapter Properties window of the SAS2 BIOS CU 3 Physically replace the other volume disk drive with a drive that is at least 50 GB larger LSI Corporation Confidential July 2009 SAS2 Integrated RAID Solutions User Guide 3 3 Managing Hot Spare Disks 3 3 1 Creating Hot Spare Disks LSI Corporation Confidential July 2009 10 11 Chapter 3 Creating Mirrored Volumes Managing Hot Spare Disks Again wait until synchronization is complete on the new disk and the volume returns to the Optimal state In the Adapter List window of the SAS2 BIOS CU use the arrow keys to select the LSI SAS adapter with the RAID1 volume and then press Enter The Adapter Properties window appears Use the arrow keys to select RAID Properties and then press Enter The Select New Array Type window appears Select View Existing Array The View Array window appears If necessary press Alt N to switch to the RAID1 volume with the new larger disk drives Select Manage Array The Manage Arr
13. how to create Integrated Mirroring Integrated Mirroring Striping and Integrated Mirroring Enhanced volumes with the LSI SAS2 BIOS Configuration Utility SAS2 BIOS CU 3 1 Mirrored Volume Configuration Overview 3 2 Creating Mirrored Volumes LSI Corporation Confidential July 2009 The LSI SAS2 BIOS CU is a menu driven utility program that enables you to easily configure and manage Integrated RAID volumes You can use the SAS2 BIOS CU to create one or two mirrored volumes on each LSI SAS2 controller with up to two optional global hot spare disks You must connect all disks in a mirrored volume to the same LSI SAS2 controller Although you can use disks of different size in mirrored volumes the smallest disk in the volume determines the logical size of all disks in the volume In other words the volume does not use the excess space of the larger member disk s For example if you create an Integrated Mirroring Enhanced volume with two 100 GB disks and two 120 GB disks the volume uses only 100 GB on each of the larger disks Refer to Chapter 2 Overview of Integrated RAID Mirrored Volumes for more information about the features of Integrated Mirroring Integrated Mirroring Striping and Integrated Mirroring Enhanced volumes The SAS2 BIOS CU is part of the Fusion MPT BIOS When the BIOS loads during the startup sequence and you see the message about the LSI Configuration Utility press Ctrl C to start the SAS2 BIOS CU After
14. information about LSI SAS2 controller configurations including controller type firmware version BIOS version volume information physical drive information and enclosure See the following Sample Output example The physical device information section displays the duplicate device of a dual ported SAS drive NOTE One MB is 1 048 576 bytes The command rounds all amounts stated in MB down to the nearest MB sas2Zircu lt controller gt display filename lt controller gt The index of the controller for which you want to display information m filename An optional valid filename to store the command output to a file 0x00 SUCCESS Command completed successfully 0x01 FAILURE Bad command line arguments or operational failure 0x02 ADAPTER_NOT_FOUND Cannot find specified adapter Here is a sample of the information that the DISPLAY command returns Read configuration has been initiated for controller 0 Controller type SAS2008 BIOS version 7 00 02 00 Firmware version 00 250 19 0 Channel description 1 Serial Attached SCSI Initiator ID 112 Maximum physical devices 62 Concurrent commands supported 266 Slot 3 Segment 0 Bus 64 Device 1 Function 0 RAID Support Yes Physical device information LSI Corporation Confidential July 2009 Page 33 Appendix A Commands Initiator at ID 112 Device at ID 335524 Device is a Hard disk Enclosure Slot Connector ID State Size in MB i
15. minimum number of drives that you can use in Integrated RAID volumes The configuration is specified in the following fields of IOC Page 6 MaxDrivesRAIDO MaxDrivesRAID1 MaxDrivesRAID10 MaxDrivesRAID1E MinDrivesRAIDO MinDrivesRAID1 MinDrivesRAID10 MinDrivesRAID1E MaxVolumes MaxPhysDisks MaxGlobalHotSpares MaxPhysDisks maximum number of physical drives combined in all volumes on the controller For more information see the description of the IOC configuration pages in Chapter 14 of the Fusion MPT 2 0 MPI Specification Guide m SAS2IRCU does not allow you to create an Integrated RAID volume that combines SAS and SATA HDDs m SAS2IRCU does not allow you to create an Integrated RAID volume that combines SSDs solid state drives and hard disk drives m SAS2IRCU does allow you to use both SATA and SAS solid state drives in a single Integrated RAID volume if the Integrated RAID firmware supports it Support for such a mixing is specified by values in static fields in Manufacturing Page 4 in the MPI2 specification and is specific for SSD drives only sas2ircu lt controller gt create lt volume type gt lt size gt lt enclosure bay gt VolumeName noprompt lt controller gt The index of the controller for the newly created volume m lt volume type gt Volume type for the new volume Valid values are RAIDO RAID1 RAID10 or RAID1E m lt size gt Size of the RAID volume in Mbytes or MAX for the maximum size av
16. or deletes a hot spare drive The capacity of the hot spare drive must be greater than or equal to the capacity of the smallest drive in the RAID volume You can verify this by using the DISPLAY command on the drive Observe the following rules when creating hot spare disks You cannot create a hot spare disk unless at least one RAID1 RAID10 or RAID1E volume already exists You cannot create a hot spare and add it to an inactive Integrated RAID volume For hard disk drives you cannot add a SAS hot spare disk if the existing volumes on the controller use SATA disks You cannot add a SATA hot spare disk if the existing volumes on the controller use SAS disks For solid state drives only you can add a SAS hot spare SSD to a volume with SATA SSDs and you can add a SATA hot spare SSD to a volume with SAS SSDs if the Integrated RAID firmware allows it This depends on the values in the static fields in Manufacturing Page 4 For more information see the Fusion MPT 2 0 MPI Specification Guide The maximum allowable number of hot spare drives depends on the value of the MaxGlobalHotSpares field in IOC Page 6 Normally the maximum is two global hot spares per controller Page 35 Appendix A Commands A 3 5 1 Command Line A 3 5 2 Parameters A 3 5 3 Program Return Value A 3 6 STATUS Command A 3 6 1 Command Line A 3 6 2 Parameters A 3 6 3 Program Return Value A 3 6 4 Sample Output Page 36 SAS2 Integrated RAID
17. press Alt B The Boot designator moves to this disk 6 To select an alternate boot disk move the cursor to the disk and press AIt A NOTE To change the alternate boot device from one disk to another follow steps 4 and 5 above but use AIt A instead of Alt B Page 27 Chapter 5 Creating Integrated Striping Volumes Other Configuration Tasks SAS2 Integrated RAID Solutions User Guide Page 28 LSI Corporation Confidential July 2009 SAS2 Integrated RAID Solutions User Guide Appendix A Appendix A Hardware and Software Requirements Using the SAS2 Integrated RAID Configuration Utility This appendix explains how to use the SAS2 Integrated RAID Configuration Utility SAS2IRCU to create RAID volumes on LSI SAS2 controllers A 1 Hardware and Software Requirements A 1 1 Controller Support A 1 2 Operating System and Software Support LSI Corporation Confidential July 2009 SAS2IRCU is a command line utility that you use to configure the Integrated RAID functions of LSI SAS2 controllers SAS2IRCU runs in the DOS Linux EFI and Windows Pre Installation WinPE environments It is a minimally interactive program that you can execute from a command line prompt or a shell script When you use SAS2IRCU commands the program sends results to the environment through the program status value that it returns when it exits OEMs can use SAS2IRCU to configure Integrated RAID devices on the LSI family of MPT2 0 based
18. progress status for controller 0 IR Volume 1 Volume ID 216 Current operation Synchronize Volume status Enabled Volume state Degraded Physical disk I Os Not quiesced Volume size in sectors 70311936 Number of remaining sectors 68250624 Percentage complete 2 2 93 Here is an example of the status information that the STATUS command returns if a background volume operation is not in progress Background command progress status for controller 0 IR Volume 1 Current operation None Volume ID 6 LSI Corporation Confidential July 2009 SAS2 Integrated RAID Solutions User Guide A 3 7 LIST Command A 3 7 1 Command Line A 3 7 2 Parameters A 3 7 3 Program Return Value A 3 7 4 Sample Output A 3 8 MFGPAGE Command A 3 8 1 Command Line A 3 8 2 Parameters A 3 8 3 Program Return Value LSI Corporation Confidential July 2009 Appendix A Commands Volume status Enabled Volume state Optimal Physical disk I Os Not quiesced The possible values for the fields in the status data are as follows Current operation Synchronize Consistency Check OCE Background Init or None Volume status Enabled or Disabled Volume state Inactive Optimal Degraded Missing or Failed Physical disk I Os Quiesced or Not quiesced The LIST command displays a listing of all controllers present in system along with each corresponding controller index You use the controller index as an input paramet
19. resynchronizing data after a disk failure activates a hot spare or after a physical disk in a mirrored volume has been hot swapped The Integrated RAID firmware supports hot swapping and it automatically resynchronizes the hot swapped disk in the background without any host or user intervention The firmware detects hot swap removal and disk insertion Following a hot swap event the firmware verifies that the new physical disk has enough capacity for the mirrored volume The firmware resynchronizes all replaced hot swapped disks even if the same disk is re inserted In a mirrored volume with an even numbers of disks the firmware marks the hot swapped disk as a secondary disk and the other disk with data as the primary disk The firmware resynchronizes all data from the primary disk onto the new secondary disk In a mirrored volume with an odd number of disks primary and secondary sets include three disks instead of two You can configure two disks as global hot spare disks to protect data on the mirrored volumes configured on the SAS2 controller If the Integrated RAID firmware fails one of the mirrored disks it automatically replaces the failed disk with a hot spare disk and then resynchronizes the mirrored data The firmware automatically receives a notification when a hot spare replaces the failed disk and it then designates that disk as the new hot spare The OCE feature enables you to expand the capacity of an existing two disk Integrat
20. the array If there is another remaining array and one or two hot spare disks the BIOS checks the hot spare disks to determine if they are compatible with the remaining volume If they are not compatible too small or wrong disk type the BIOS deletes them also You can use the SAS2 BIOS CU to locate and identify a specific physical disk drive in a disk enclosure by flashing the drive s LED You can also flash the LEDs of all the disk drives in a RAID volume if they are in a disk enclosure When you add a disk drive to a new mirrored volume the LED on the disk drive starts flashing The LED stops flashing when you finish creating the volume You can locate individual disk drives from the SAS Topology window by flashing their LEDs To do this follow these steps 1 Select the desired SAS2 controller on the Adapter List window and press Enter The Adapter Properties window appears 2 Highlight SAS Topology and press Enter The SAS Topology window appears 3 Select the disk in the Device Identifier column and press Enter The LED on the disk flashes until you press a key to stop it 4 To identify all the disk drives in a volume select the volume in the left column of the SAS Topology window and press Enter The LEDs flash on all disk drives in the volume until you press a key to stop them NOTE The LEDs on the disk drives will flash as described above if the firmware is correctly configured and the drives are in a disk enclosure
21. 3 cy Mirrored Stripe 5 4 Mirrored Stripe 5 Mirrored Stripe 6 f 4 Mirrored Stripe 6 Mirrored Stripe 4 Mirrored Stripe 7 Mirrored Stripe 7 Mirrored Stripe 8 Mirrored Stripe 8 Mirrored Stripe N Mirrored Stripe N 1 Mirrored Stripe N 1 Mirrored Stripe N Mirrored Stripe N 3_00009 00 Figure 4 Integrated Mirroring Striping with Four Disks The LSI SAS2 BIOS configuration utility enables you to create mirrored volumes during initial setup and to reconfigure them in response to hardware failures or changes in the environment CAUTION All existing data on the disks is deleted when you select disk drives to use for mirrored arrays Page 8 LSI Corporation Confidential July 2009 SAS2 Integrated RAID Solutions User Guide 2 4 Mirrored Volume Features 2 4 1 Resynchronization with Concurrent Host I O Operation 2 4 2 Hot Swapping 2 4 3 Hot Spare Disk 2 4 4 Online Capacity Expansion 2 4 5 Media Verification LSI Corporation Confidential July 2009 Chapter 2 Overview of Integrated RAID Mirrored Volumes Mirrored Volume Features This section describes features of Integrated Mirroring Integrated Mirroring Striping and Integrated Mirroring Enhanced volumes You can configure up to two mirrored volumes on each LSI SAS2 controller The Integrated RAID firmware allows host I Os to continue on a mirrored volume while the volume is being resynchronized in the background The firmware automatically starts
22. Corporation Confidential July 2009 Chapter 3 Creating Mirrored Volumes Creating Mirrored Volumes 4 Move the cursor to the RAID Disk column and select a line that has a No entry in this column indicating that the disk is not already part of the volume being created To add the disk to the new array change the No to Yes by pressing the space bar This is the Primary disk in the array CAUTION If any of the disks contains data that you want to keep back it up before you start creating the volume The utility deletes all data from a disk when you select it to use in a mirrored volume 5 Move the cursor to another line and press the space bar to add the second disk to the array This is the Secondary disk in the array 6 Press C to create the array A menu screen appears 7 From the menu options select Save changes then exit this menu A Processing message appears briefly and then the SAS2 BIOS CU returns to the Adapter Properties window Initialization of the new array continues in the background NOTE To create a second Integrated Mirroring volume repeat these instructions starting with Step 2 Alternatively follow the instructions in the next section to create an Integrated Mirroring Enhanced or Integrated Mirroring Striping volume NOTE See the instructions in Section 3 3 Managing Hot Spare Disks if you want to create one or two global hot spares Integrated Mirroring Enhanced volumes can have from three to ten
23. I Corporation Confidential July 2009 Chapter 5 Creating Integrated Striping Volumes Other Configuration Tasks NOTE Repeat the instructions above to create a second Integrated Striping volume if desired and if enough additional disks are available This section explains how to perform other configuration and maintenance tasks for Integrated Striping volumes Follow these steps to view the RAID properties of a volume 1 In the SAS2 BIOS CU select an LSI SAS2 adapter from the Adapter List The Adapter Properties window appears 2 Select RAID Properties The Select New Array Type window appears 3 Select View Existing Array The View Array window appears showing information about the array and each disk in it 4 Ifthe currently displayed array is not the one you want press AIt N to view another array on the adapter Avolume array can become inactive if for example you remove it from one controller or computer and install it on a different one The Activate Array option allows you to reactivate an inactive volume This option is available only when the selected volume is currently inactive Follow these steps to activate a selected volume 1 In the Adapter List window use the arrow keys to select an LSI SAS adapter and press Enter The Adapter Properties window appears 2 Select RAID Properties and then press Enter The Select New Array Type window appears 3 Select View Existing Array The View Array window appea
24. SAS2 controllers Typical uses for this utility include but are not limited to system configuration on the manufacturing floor post delivery configuration by end users and ongoing configuration and monitoring of Integrated RAID devices NOTE SAS2IRCU is a configuration utility for the manufacturing environment End users should use the LSI SAS2 BIOS Configuration Utility SAS2 BIOS CU to create and manage Integrated RAID volumes For more information see Chapter 3 and Chapter 5 SAS2IRCU runs on the following platforms X86 X86 or compatible m EFI UEFI2 m EM64T AMD64 m Sun SPARC v9 SAS2IRCU works with storage devices that are compliant with existing SCSI standards SAS2IRCU supports the following LSI SAS2 controllers and the host bus adapters based on these controllers m LSISAS2004 m LSISAS2008 m LSISAS2108 SAS2IRCU requires PCI 2 x or PCI 3 0 firmware and MPI v2 0 SAS2IRCU supports the following operating systems m WinPE 1 x Server 2003 XP WinPE 2 0 Vista WinPE 2 1 Server 2008 Requires Windows driver v2 00 00 17 or greater m UEFI2 1 Page 29 Appendix A Interface Description A 2 Interface Description A 3 Commands Page 30 SAS2 Integrated RAID Solutions User Guide m Linux 2 6 Kernel RHEL 5 SLES 10 Requires Linux driver v00 255 04 00 or greater m MS DOS 6 22 and FreeDOS 1 0 SAS2IRCU runs on DOS only if the system BIOS supports 32 bit BIOS services including the PCI BIOS service
25. Solutions User Guide m You cannot add a solid state drive hot spare to a volume with hard disk drives or vice versa sas2ircu lt controller gt hotspare delete lt enclosure bay gt lt controller gt The index of the controller on which you want to create the hot spare disk m lt enclosure bay gt The enclosure bay value for the hot spare disk drive You can get these values from the output of the DISPLAY command DOS does not support addressing by enclosure bay m delete This optional command deletes the hot spare disk at enclosure bay 0x00 SUCCESS Command completed successfully 0x01 FAILURE Bad command line arguments or operational failure 0x02 ADAPTER_NOT_FOUND Cannot find specified adapter The STATUS command displays the current status of any existing Integrated RAID volumes and the status of any operation that is currently in progress on the selected controller If no operation is in progress the SAS2IRCU prints a message indicating this before it exits Sas2ircu lt controller gt status lt controller gt The index of the controller with the volumes whose status you want to display 0x00 SUCCESS Command completed successfully 0x01 FAILURE Bad command line arguments or operational failure 0x02 ADAPTER_NOT_FOUND Cannot find specified adapter Here is an example of the information that the STATUS command returns when a volume resynchronization is in progress Background command
26. T interface to communicate to the SAS2 controller and firmware This includes reading the Fusion MPT configuration to access the parameters that define behavior between the SAS2 controller and the devices that connect to it The Fusion MPT drivers for all supported operating systems implement the Fusion MPT interface to communicate with the controller and firmware Chapter 2 describes the features of the Integrated Mirroring Integrated Mirroring Striping and Integrated Mirroring Enhanced solutions Chapter 3 explains how to create mirrored volumes mirrored striped volumes and optional hot spare disks with the menu driven LSI SAS2 BIOS configuration utility Chapter 4 describes the features of the Integrated Striping solution and Chapter 5 explains how to create striped volumes with the LSI SAS2 BIOS configuration utility LSI Corporation Confidential July 2009 SAS2 Integrated RAID Solutions User Guide Chapter 1 Introduction to the Integrated RAID Solution Using this Manual Appendix A explains how to use the command line driven SAS2 Integrated RAID configuration utility SAS2IRCU to create Integrated RAID volumes in the manufacturing environment LSI Corporation Confidential July 2009 Page 3 Chapter 1 Introduction to the Integrated RAID Solution Using this Manual SAS2 Integrated RAID Solutions User Guide Page 4 LSI Corporation Confidential July 2009 SAS2 Integrated RAID Solutions User Guide Chapter 2 Chapter 2 Ove
27. ailable m lt enclosure bay gt The enclosure bay value of the disk drive for the new RAID volume You can get these values from the output of the DISPLAY command DOS does not support addressing by enclosure bay VolumeName A user specified string to identify the volume noprompt This optional parameter prevents warnings and prompts from appearing while the command is running 0x00 SUCCESS Command completed successfully 0x01 FAILURE Bad command line arguments or operational failure 0x02 ADAPTER_NOT_FOUND Cannot find specified adapter The DELETE command deletes all Integrated RAID volumes and hot spare drives from the specified LSI SAS2 controller No other controller configuration parameters are changed sas2ircu lt controller gt delete noprompt lt controller gt The index of the controller with the volume s that you want to delete noprompt This optional parameter prevents warnings and prompts from appearing while the command is running LSI Corporation Confidential July 2009 SAS2 Integrated RAID Solutions User Guide A 3 3 3 Program Return Value A 3 4 DISPLAY Command A 3 4 1 Command Line A 3 4 2 Parameters A 3 4 3 Program Return Value A 3 4 4 Sample Output Appendix A Commands 0x00 SUCCESS Command completed successfully 0x01 FAILURE Bad command line arguments or operational failure 0x02 ADAPTER_NOT_FOUND Cannot find specified adapter The DISPLAY command displays
28. ay window appears Select Online Capacity Expansion A menu screen appears with a warning message and with options to start the expansion process or quit Press Y to start the expansion The RAID Properties screen appears when the expansion process is complete This typically occurs in a very short amount of time Run a commercial tool specific to the operating system to move or increase the size of the partition on the newly expanded RAID1 volume You can create one or two global hot spare disks to protect the data on mirrored volumes on an LSI SAS2 controller You can also delete hot spare disks Follow these steps to add global hot spare disks to an existing volume The steps begin with the Adapter List window that appears when the configuration utility starts 1 In the Adapter List window use the arrow keys to select the LSI SAS adapter with the volume that needs hot spare disks and then press Enter The Adapter Properties window appears as shown in Figure 5 Use the arrow keys to select RAID Properties and then press Enter The Select New Array Type window appears Select View Existing Array The View Array window appears If necessary press Alt N to switch to another array on this adapter Select Manage Array The Manage Array window appears Select Manage Hot Spares which is the first option as shown in the following figure Page 15 Chapter 3 Creating Mirrored Volumes Managing Hot Spare Disks SAS2 Int
29. e and press C Select Save changes then exit this menu to commit the changes The configuration utility pauses while it removes the global hot spare Page 16 LSI Corporation Confidential July 2009 SAS2 Integrated RAID Solutions User Guide 3 4 Other Configuration Tasks 3 4 1 Viewing Volume Properties 3 4 2 Running a Consistency Check LSI Corporation Confidential July 2009 Chapter 3 Creating Mirrored Volumes Other Configuration Tasks This section explains how to perform other configuration and maintenance tasks for mirrored volumes Follow these steps to view the RAID properties of the mirrored volume s 1 In the SAS2 BIOS CU select an LSI SAS2 adapter from the Adapter List The Adapter Properties window appears 2 Select RAID Properties The Select New Array Type window appears 3 Select View Existing Array The View Array window appears showing information about the array and each disk in it The window includes hot spare information if you have created global hot spare disks NOTE If you create one volume using SAS disks another volume using SATA disks and global hot spare disks the hot spare disks only appear when you view the mirrored volume that uses the same type of disks as the hot spare disks 4 Ifthe currently displayed array is not the one you want press AIt N to view another array on the adapter Use the Consistency Check command to verify that the data is synchronized on the mirrored d
30. e sneak awed edema horse any ENTRE NEEESE EE ee EEEE EREA E VEERE Sie 9 2 4 1 Resynchronization with Concurrent Host I O Operation 0 cece eee ete een eee eee e een n ene e nee een eee ee 9 24 2 HOt SWAPPING a wise eens ia siesias tarioan OES ee bale Rag Had eee ed doar OTENE EENE a EMA ET TRUE eS Aeon ea EEN ETE 9 24 3 Hot Spare Disk 25 sccdeieeesriaacnnesiee sabe 4 eacooeone NA ANE daareced eben AE babancohaOe Miedo AARE S 9 2 44 Online Capacity ExpansiOniv icuiccssessavedames aiamsadapscicne ton tadssdecwcrsadeepeaegieadabeaeee sadeadadevaaioan tanner 9 24 5 Media Verification occwsssiaacsneocne sh caacsan Meme ewe dehiogen es wanas ese EEEREN TEENE EAA A NATE EEE 9 2 46 Disk Write C ching cis a 0 scssibie s iana ee age og padige EEE EE Gina s Meade olde Daw en beads daly Give ead enadioge i ai 10 24 7 NVSRAM USIOE or c3c sewn pte cse E OEE Chee aie vibield osc EE supa eae ey eae eae Ae EEE hale dale SN EEDE a E 10 2 4 8 Background Initialization v6 ea0 sinh 5 sae ee eed Vere Ace hee eed saa a eeeeeed Vea TE E So abaea eed A sees ede as 10 DAO CONSIStency Check sasccwineyiv siaiestcecnied tows sigeleiace see EEEE a E E aleealtle nid tana dcoe wre apese EAE galetie EE EEEE EEE REE 10 24 10 Make Data Consistent sices6 cerner n sadn E E sede Mata ENC EE REEE O actin EE E 10 Chapter 3 Creating Mirrored Volumes 0 0c ccc cece nen ne ne EEE nen EEE eden een teen EEE eben enn ee etn eee 11 3 1 Mirrored Volume Co
31. eared ATE AEE cepa lcees er aemtetanemeetas AS 32 A 3 4 DISPLAY Command seocsvecraie aie eet EEEE E OEN ioe oe ead eee Red tocar eee tw Lae ENEE ETE be 33 A 3 5 HOTSPARE Command sekserne e a EO EE TE TEENE NEEE peaches E TEE RRS 35 A 3 6 STATUS Command j cccc5 dade s Oen E E E EE ae ae E O a As wae ed bode EN EEE 36 A 3 7 LIST COMMANA siteaewcnecdidedins vanes conde eana naa Goud EATE Ae AEE HAS aaRID ASN Cea TAG ENAA EERE OTE 37 A 3 8 MEGPAGE Command srera niten DY EENE AE Gee ns nels oN ERS caiman anew Ney E Sica a eGaar eae een es 37 A 3 9 CONSTGHK COmIMAN G vis c ciaaisiacs caacialedieutala ales are caved lela bade da EEE EAE wee eh data EAEE EER 38 ABO ACTIVATE Command eoria Een doesdseankpadetds dnanoldaw ied canheeeeeee Mdamhietiawdedaendiavtcua 38 AB LOCATE Command 35 ocageviclessteadaassadeas etacaies EA shades AAE AEREA NEE AAEE ERORAR ATEREA 38 A 3 12 LOGIR COMMANG 3c c5s tee ee nendedu tia sal diva teas NEEE E napa dew ney alte meee EEEE 38 Page ii LSI Corporation Confidential July 2009 SAS2 Integrated RAID Solutions User Guide Chapter 1 Chapter 1 Introduction to the Integrated RAID Solution Benefits and Features Introduction to the Integrated RAID Solution This chapter provides an introduction to the features and benefits of the LSI Integrated RAID solution for LSI SAS2 controllers 1 1 Benefits and Features LSI Corporation Confidential July 2009 The LSI Integrated RAID solution provides c
32. eates Integrated RAID volumes on LSI SAS2 controllers When you add a disk to an Integrated RAID volume some of its storage capacity may not be used For example if you add a 300 GB disk drive to a volume that only uses 200 GB of capacity on each disk drive the volume does not use the remaining 100 GB of capacity on the disk drive The disk identified by the first Enclosure Bay on the command line becomes the primary disk drive when you create an Integrated Mirroring RAID 1 volume If the controller resyncs the disk drives the data on the primary disk drive becomes available when you access the newly created volume When the IR firmware creates a RAID1 volume it starts a background initialization of the volume You can use the STATUS command to monitor the status of the initialization Observe the following rules when creating Integrated RAID volumes and hot spare disks Alldisks that are part of a volume including hot spares for that volume must be on the same SAS2 controller m You can create RAIDO RAID1 RAID1E and RAID10 Integrated RAID volumes You can create a maximum of two Integrated RAID volumes per controller Page 31 Appendix A Commands A 3 2 1 Command Line A 3 2 2 Parameters A 3 2 3 Program Return Value A 3 3 DELETE Command A 3 3 1 Command Line A 3 3 2 Parameters Page 32 SAS2 Integrated RAID Solutions User Guide m The configuration of the Integrated RAID firmware determines the maximum and
33. ed Mirroring RAID1 volume by replacing the original disk drives with larger drives that have the same protocol SAS or SATA NOTE The new drives must be at least 50 GB larger than the original drives of the volume After you replace the disk drives and run the Online Capacity Expansion command you must use a commercial tool specific to the operating system to move or increase the size of the partition on the volume The Integrated RAID firmware supports a background media verification feature that runs at regular intervals when the mirrored volume is in optimal state If the verification command fails for any reason the firmware reads the other disk s data for this segment and writes it to the failing disk in an attempt to refresh the data The firmware periodically writes the current media verification logical block address to nonvolatile memory so the media verification can continue approximately where it left off prior to a power cycle Page 9 Chapter 2 Overview of Integrated RAID Mirrored Volumes Mirrored Volume Features SAS2 Integrated RAID Solutions User Guide 2 4 6 Disk Write Caching By default the Integrated RAID firmware disables disk write caching for mirrored volumes It does this to assure that the write journal entry stored in non volatile static RAM NVSRAM is always valid If disk write caching were enabled not recommended the disk write log could be invalid 2 4 7 NVSRAM Usage The Integrated RAID firmware r
34. ed disks The firmware writes each mirrored stripe to a disk and mirrors it to an adjacent disk RAID 1E is another term for this type of mirrored configuration Page 7 Chapter 2 Overview of Integrated RAID Mirrored Volumes Operation of Mirrored Volumes SAS2 Integrated RAID Solutions User Guide Logical View Physical View Mirrored Stripe 1 Mirrored Stripe 1 Mirrored Stripe 1 Mirrored Stripe 2 Mirrored Stripe 2 Mirrored Stripe 2 Mirrored Stripe 3 Mirrored Stripe 3 Mirrored Stripe 3 cy Mirrored Stripe 4 4 Mirrored Stripe 4 Mirrored Stripe 5 Mirrored Stripe 4 Mirrored Stripe 5 Mirrored Stripe 6 Mirrored Stripe 6 Mirrored Stripe N Mirrored Stripe N 1 Mirrored Stripe N Mirrored Stripe N 3_00008 00 Figure 3 Integrated Mirroring Enhanced with Three Disks You can configure an Integrated Mirroring Striping volume with an even number of disks ranging from four minimum to ten maximum The following figure shows the logical view and physical view of an Integrated Mirroring Striping volume with four mirrored disks The firmware writes each mirrored stripe to a disk and mirrors it to an adjacent disk RAID 10 is another term for this type of mirrored striped configuration Logical View Physical View Mirrored Stripe 1 Mirrored Stripe 1 Mirrored Stripe 1 Mirrored Stripe 2 Mirrored Stripe 2 Mirrored Stripe 2 Mirrored Stripe 3 Mirrored Stripe 3 Mirrored Stripe 4 Mirrored Stripe 4 Mirrored Stripe
35. ed volume and one Integrated Striping volume Typically one of these volumes is the boot volume Boot support is available through the firmware of the LSI SAS2 controller that supports the standard Fusion MPT interface The runtime mirroring of the boot disk is transparent to the BIOS the drivers and the operating system Host based status software monitors the state of the mirrored disks and reports any error conditions The following figure shows an Integrated Mirroring volume in which the second disk is a mirrored copy of the data on the first primary disk LSI Corporation Confidential July 2009 SAS2 Integrated RAID Solutions User Guide LSI Corporation Confidential July 2009 Chapter 2 Overview of Integrated RAID Mirrored Volumes Operation of Mirrored Volumes Integrated Mirroring Volume Primary NVSRAM For Write Journaling LSI Memory Bus Fusion MPT SAS2 Controller FLASH For Configuration 3_00006 00 Figure 1 Typical Integrated Mirroring Implementation The following figure shows the logical view and physical view of an Integrated Mirroring volume Each logical block address LBA is mirrored on the second disk Logical View Physical View 3_00007 00 Figure 2 Integrated Mirroring Volume You can configure an Integrated Mirroring Enhanced volume with up to 10 mirrored disks The following figure shows the logical view and physical view of an Integrated Mirroring Enhanced volume with three mirror
36. egrated RAID Solutions User Guide LSI Corp Config Utility Identifier LSILOGIC Logical Volume 3000 Type RAID 1 Size GB XXXXXXX Status Optimal Figure 6 Manage Array Window The Manage Hot Spares window appears 6 Identify a disk that is not part of a RAID volume i e the value in the Drive Status column is not RAID and that is not already identified as a hot spare disk A global hot spare disk must have 512 byte blocks and nonremovable media The disk type must be either SATA with extended command set support or SAS with SMART support 7 Move the highlight to the Hot Spr Hot Spare field for this disk and press the space bar The Hot Spare status changes to Yes Optional Repeat the preceding step to select a second global hot spare disk Press C to create the hot spare disk A menu window appears An error message appears if the selected disk is not at least as large as the smallest disk used in the existing volume s An error message also appears if you try to add a SATA disk as a hot spare for volumes that use SAS disks or vice versa 10 Select Save changes then exit this menu to create the hot spare disk s The SAS2 BIOS CU pauses while it configures the global hot spares 3 3 2 Deleting Hot Spare Disks Follow these steps to delete a global hot spare disk 1 Access the Manage Hot Spares window by following steps 1 through 5 of Section 3 3 1 Select the disk that you no longer wish to use as a hot spar
37. equires at least a 32 KB NVSRAM to perform write journaling for mirrored volumes on LSI SAS2 controllers The NVSRAM also preserves configuration information across reboots The firmware uses write journaling to verify that the disks in the mirrored volume are synchronized with each other 2 4 8 Background Initialization Background initialization BGI is the process of copying data from primary to secondary disks in a mirrored volume The Integrated RAID firmware starts BGI automatically as a background task when it creates a volume The volume remains in Optimal state while BGI is in progress 2 4 9 Consistency Check A consistency check is the process of reading data from primary and secondary disks in a mirrored volume and comparing it to make sure it is identical You can use the LSI SAS2 BIOS Configuration Utility to start a consistency check on a mirrored volume 2 4 10 Make Data Consistent Make data consistent MDC is an optional background task similar to a consistency check If enabled the Integrated RAID firmware starts MDC automatically when you move a redundant volume from one SAS controller to another SAS controller MDC verifies that data on the primary and secondary disks is the same Page 10 LSI Corporation Confidential July 2009 SAS2 Integrated RAID Solutions User Guide Chapter 3 Chapter 3 Creating Mirrored Volumes Mirrored Volume Configuration Overview Creating Mirrored Volumes This chapter explains
38. er for other SAS2IRCU commands sas2Zircu list None 0x00 SUCCESS Command completed successfully 0x01 FAILURE Command failed 0x02 ADAPTER_NOT_FOUND Cannot find specified adapter Here is an example of the output of the LIST command The format and fields in the output may vary depending on the types of installed controllers Adapter Vendor Devic SubSys SubSys Index Type ID ID Pci Address Ven ID Dev ID 0 SAS2008 1000h 72h 00h 01h 00h 00h 1000h 00dah 1 SAS2008 1000h 72h 00h 05h 00h 00h 1000h 00dah The MFGPAGE command updates information on manufacturing pages Only DOS and EFI support this command sas2ircu lt controller gt mfgpage lt passcode gt lt mfgpage gt lt offset gt lt value gt lt controller gt The index of the controller with the manufacturing pages you want to update m lt passcode gt A passcode is required for DOS access which is restricted m lt mfgpage gt The manufacturing page 4 or 10 that needs to be updated lt offset gt The dword offset in the specified manufacturing page that needs to be updated in hex format m lt value gt The value for the offset that is being modified in hex format 0x00 SUCCESS Command completed successfully 0x01 FAILURE Bad command line arguments or operational failure 0x02 ADAPTER_NOT_FOUND Cannot find specified adapter Page 37 Appendix A Commands A 3 9 CONSTCHK Command A 3 9 1 Command Line A 3 9 2 Parameters
39. from the operating system The BIOS based configuration utility documented in Chapter 3 and Chapter 5 makes it easy to configure mirrored and striped volumes The Integrated RAID solution is currently available as an optional component of the Fusion MPT architecture on LSI SAS2 controllers The LSI Integrated RAID solution has the following benefits and features Support for up to 10 disks per Integrated RAID volume with one or two volumes on each SAS2 controller Each controller can support can support 14 volume drives including one or two hot spare disks Support for two disk Integrated Mirroring volumes RAID1 Page 1 Chapter 1 Introduction to the Integrated RAID Solution 1 1 1 Host Interface 1 1 2 Metadata Support 1 1 3 SMART Support 1 1 4 Fusion MPT Support 1 2 Using this Manual Page 2 Using this Manual SAS2 Integrated RAID Solutions User Guide Support for online capacity expansion OCE for RAID1 volumes OCE allows you to increase the size of a RAID1 volume by replacing the disk drives with larger drives Low cost RAID volume creation which meets the needs of most internal RAID installations Easy installation and configuration Support for booting from any kind of Integrated RAID volume Ability to operate without special operating system specific software High reliability and data integrity Nonvolatile write journaling Physical disks in a volume are not visible to the operati
40. hen press Enter The Select New Array Type window appears 3 Select View Existing Array The View Array window appears If necessary press Alt N to switch to another array on this adapter 4 Select Manage Array The Manage Array window appears 5 Select Activate Array on the Manage Array window A menu window appears 6 Press Y to activate the array The array becomes active after a pause 3 4 4 Deleting an Array CAUTION Before you delete an array be sure to back up all data on the array that you want to keep Follow these steps to delete a selected volume array 1 In the Adapter List window use the arrow keys to select an LSI SAS adapter The Adapter Properties window appears 2 Use the arrow keys to select RAID Properties and then press Enter The Select New Array Type window appears 3 Select View Existing Array The View Array window appears If necessary press Alt N to switch to another array on this adapter 4 Select Manage Array The Manage Array window appears 5 Select Delete Array A menu window appears 6 Press Y to delete the array or press N to cancel the deletion process Page 18 LSI Corporation Confidential July 2009 SAS2 Integrated RAID Solutions User Guide 3 4 5 Locating Disk Drives in a Volume 3 4 6 Selecting a Boot Disk LSI Corporation Confidential July 2009 Chapter 3 Creating Mirrored Volumes Other Configuration Tasks After a pause the utility deletes
41. isks in the volume Follow these steps to run a consistency check on a selected mirrored volume 1 In the Adapter List window use the arrow keys to select an LSI SAS adapter The Adapter Properties window appears 2 Use the arrow keys to select RAID Properties and then press Enter The Select New Array Type window appears 3 Select View Existing Array The View Array window appears If necessary press Alt N to switch to another array on this adapter 4 Select Manage Array The Manage Array window appears 5 Select Consistency Check on the Manage Array window A menu window appears 6 Press Y to start the consistency check The consistency check runs a read read compare algorithm in the background If it encounters any data miscompares it stores the information in a bad block table Page 17 Chapter 3 Creating Mirrored Volumes Other Configuration Tasks SAS2 Integrated RAID Solutions User Guide 3 4 3 Activating an Array A volume array can become inactive if for example you remove it from one controller or computer and install it on a different one The Activate Array option allows you to reactivate an inactive volume This option is available only when the selected volume is currently inactive Follow these steps to activate a selected volume 1 In the Adapter List window use the arrow keys to select an LSI SAS adapter and press Enter The Adapter Properties window appears 2 Select RAID Properties and t
42. l Lsis SAS2 Integrated RAID Solution User Guide Version 1 0 July 2009 Revision History Version and Date Description of Changes Version 1 0 July 2009 Initial release of this document LSI the LSI logo Fusion MPT Integrated RAID Integrated Mirroring and Integrated Striping are trademarks or registered trademarks of LSI Corporation or its subsidiaries SPARC is a registered trade mark of SPARC International Inc Linux is a registered trademark of Linus Torvalds Windows and MS DOS are registered trademarks of Microsoft Corporation 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 This document contains proprietary information of LSI Corporation The information contained herein is not to be used by or disclosed to third parties without the express written permission of LSI Corporation Corporate Headquarters Email Website
43. maximum of 14 drives on each LSI SAS2 controller NOTE Fourteen drives is the theoretical upper limit for a single LSI SAS2 controller although the controller itself may support fewer than 14 drives You can also configure one mirrored volume and one Integrated Striping volume on the same LSI SAS controller Each SAS2 controller can have two global hot spare disks available to automatically replace a failed disk in the one or two mirrored volumes configured on the controller The hot spares make the mirrored volumes even more fault tolerant Integrated Mirroring Integrated Mirroring Striping and Integrated Mirroring Enhanced volumes support the following features Configurations of one or two mirrored volumes on each LSI SAS2 controller Each volume can consist of two mirrored disks for an Integrated Mirroring volume three to ten mirrored disks for an Integrated Mirroring Enhanced volume or four six eight or ten mirrored disks for an Integrated Mirroring Striping volume Optional Two global hot spare disks per LSI SAS2 controller to automatically replace failed disks in mirrored volumes Page 5 Chapter 2 Overview of Integrated RAID Mirrored Volumes 2 3 Operation of Mirrored Volumes Page 6 Operation of Mirrored Volumes SAS2 Integrated RAID Solutions User Guide Ability of mirrored volumes to run in optimal mode or in degraded mode if one mirrored disk in an Integrated Mirroring volume fails or if one or more mirro
44. n sectors Manufacturer Model Number Firmware Revision Serial No Protocol Drive Type Device at ID 335525 Device is a Hard disk Enclosure Slot Connector ID State Size in MB in sectors Manufacturer Model Number Firmware Revision Serial No Protocol Drive Type SAS2 Integrated RAID Solutions User Guide 2 2 4 Ready RDY 70007 143374738 HP DGO72A9BB7 HPDO B365P720H7330709 SAS SAS 2 1 4 Ready RDY 70007 143374738 HP DGO72A9BB7 HPDO B365P720H7L70709 SAS Enclosure Logical ID Numslots StartSlot Page 34 51234567 89012345 8 0 Logical drive status values are as follows E Okay OKY The volume is Active and drives are functioning properly User data is protected if the current RAID level provides data protection E Degraded D GD The volume is Active User data is not fully protected due to a configuration change or drive failure Online ONI Physical device sta Failed FLD The volume has failed Missing MIS The volume is missing Initializing INIT The volume is initializing L The volume is online tus values are as follows m Online ONI m Hot Spare L The drive is operational and is part of a logical drive HSP The drive is a hot spare that is available to replace a failed drive in an array LSI Corporation Confidential July 2009 SAS2 Integrated RAID Solutions User Guide A 3 5 HOTSPARE Command
45. nal parameter prevents warnings and prompts from appearing while the command is running A 3 12 3Program Return Value 0x00 SUCCESS Command completed successfully 0x01 FAILURE Bad command line arguments or operational failure 0x02 ADAPTER_NOT_FOUND Cannot find specified adapter LSI Corporation Confidential July 2009 Page 39 Nam LSIs
46. nfiguration Overview cece cee cee cere enn enn nen Een Een enn eee e dE eee ene eee tne eben e eas 11 3 2 Creating Mirrored Volumes riris olen ence Gute cei ioaaceegae cots chee ine cea dta salve eet A E EREE sean Meads vee cae Beda 11 3 2 1 Creating an Integrated Mirroring Volume 2 cece cen eee e need e ence ene eben eben eee ee een eaeees 12 3 2 2 Creating an Integrated Mirroring Enhanced or Integrated Mirroring Striping Volume cece eee neces 13 3 2 3 Expanding an Integrated Mirroring Volume with OCE 0 cece cece cen ener e nent eee deen eee en eee eeneaeees 14 3 3 Managing Hot Spare Disks v 3 c29 chcsadaoane cece Enn AEE E E EREE du pu LE MGE ER TRA Ada ad Ao ee ws SER EMELINE SAS be ead tees 15 3 3 Creating HOt Spare DISKS erener es saeco asosece atu ote E EAE Wesden aaa A ERER ed E bee We TENE ewe e eae ets 15 3 3 2 Deleting Hot Spare DISKS ot ssc cence cha irren E tni tau Eae E es ee GAS a ee OOD ce EOE Seen ene te tan hate Seeds 16 3 4 Other Configuration Tasks s sisies dsee caine irae case cp avin ag vasace a ee eine aba Cae aL OA Ae dalled RK es bie GaN oe bau earn eRe Mm EE Sh 17 3 4 1 Viewing Volume Properties 2 0 0 6 cece cece cece een nnn nen enn nen Ene eet nen en Ee Renee ee EE ene EES 17 3 42 Running a Consistency Check wens wercveelenstdd seas ecacaeeeauvawinn caus aeaavdachee RA G eben eee seen 17 343 Activatingan Array civic adic ion NE gece eas aunts eee ee E E AE NASON Rod
47. ng system OS or to application software m Low host CPU and PCI bus utilization Processing power provided by Fusion MPT architecture Shared memory architecture minimizes external memory requests Device hardware and firmware contain the functionality The Integrated RAID host interface uses the message passing interface as described in the Fusion MPT Message Passing Interface Specification The Fusion MPT interface gives the host OS access to the RAID volumes as well as to additional non RAID physical disks The Integrated RAID firmware supports metadata which describes the logical drive configuration stored on each member disk of a volume After initialization the firmware queries each member disk to read the metadata and verify the configuration The firmware reduces the usable disk space for each member disk when it creates the the volume to make room for the metadata The Self Monitoring Analysis and Reporting Technology SMART technology monitors disk drives for signs of future disk failure and generates an alert if it detects such signs The Integrated RAID firmware polls each physical disk in the volume at regular intervals If the firmware detects a SMART ASC ASCQ code on a physical disk in the volume it processes the SMART data and stores it in a log The volume does not support SMART directly because it is only a logical representation of the physical disks in the volume The Integrated RAID BIOS uses the LSI Fusion MP
48. ost benefits for the server or workstation market that requires the extra performance storage capacity and or redundancy of a RAID configuration LSI Integrated RAID includes the following RAID features The Integrated Mirroring solution which provides features of RAID 1 The Integrated Mirroring Striping solution which provides features of RAID 10 The Integrated Mirroring Enhanced solution which provides features of RAID 1 Enhanced RAID 1E m The Integrated Striping solution which provides features of RAID 0 By simplifying the configuration options and by providing firmware support in its SAS2 host adapters LSI can offer the Integrated RAID solution at a lower cost than a hardware RAID implementation LSI Fusion MPT firmware supports Integrated Mirroring volumes Integrated Mirroring Striping volumes Integrated Mirroring Enhanced volumes and Integrated Striping volumes You can create up to two Integrated RAID volumes on each LSI SAS2 controller The LSI Integrated RAID solution supports the following LSI SAS2 controllers and the host bus adapters based on these controllers m LSISAS2004 controller m LSISAS2008 controller m LSISAS2108 controller LSI Integrated RAID firmware uses the same device drivers as the standard LSI Fusion MPT based controllers This eliminates the need for complex backup software or expensive RAID hardware To conserve system resources the Integrated RAID firmware operates independently
49. physical disks Data is written to a disk and mirrored on an adjacent disk Integrated Mirroring Striping volumes can have a minimum of four and a maximum of 10 physical disks in even numbers In an Integrated Mirroring Enhanced or Integrated Mirroring Striping volume the data is both mirrored and striped Follow these steps to create an Integrated Mirroring Enhanced RAID 1E or Integrated Mirroring Striping RAID 10 volume with the SAS2 BIOS CU The steps begin with the Adapter List window that appears when the configuration utility starts 1 On the Adapter List window use the arrow keys to select an LSI SAS adapter and then press Enter The Adapter Properties window appears as shown in Figure 5 2 Use the arrow keys to select RAID Properties and then press Enter The Create Array window appears 3 Select Create RAID 1E Volume The Create New Array window appears Page 13 Chapter 3 Creating Mirrored Volumes Creating Mirrored Volumes SAS2 Integrated RAID Solutions User Guide 3 2 3 Expanding an Integrated Mirroring Volume with OCE Page 14 4 Move the cursor to the RAID Disk column and select a line that has a No entry in this column indicating that the disk is not already part of the volume being created To add the disk to the new array change the No to Yes by pressing the space bar CAUTION If any of the disks contains data that you want to keep back it up before you start creating the volume The utilit
50. red disks fail in an Integrated Mirroring Striping volume or Integrated Mirroring Enhanced volume Support for hot swapping Support for online capacity expansion OCE for RAID1 volumes OCE allows you to increase the size of a RAID1 volume by replacing the existing disk drives with larger drives Data is protected during the expansion process and the RAID1 volume remains online Presentation of a single virtual drive to the operating system for each mirrored volume Support for both SAS and SATA disks although the two types of disks cannot be combined in the same volume However an LSI SAS2 controller can support one volume with SATA disks and a second volume with SAS disks Automatic background initialization after volume creation Consistency checking Fusion MPT architecture Menu driven BlIOS based configuration utility Error notification in which the drivers update an OS specific event log Support for SCSI Enclosure Services SES status LED Write journaling which allows automatic synchronization of potentially inconsistent data after unexpected powerdown situations Use of metadata to store volume configuration on disks in a mirrored volume Automatic background resynchronization while host I Os continue Background media verification which ensures that data on mirrored volumes is always accessible The LSI Integrated RAID solution supports one or two mirrored volumes on each LSI SAS2 controller or one mirror
51. rief pause the main menu of the SAS2 BIOS CU appears On some systems however the following message appears next LSI Corp Configuration Utility will load following initialization In this case the SAS2 BIOS CU loads after the system has completed its power on self test You can configure any combination of up to two Integrated Striping RAID 0 volumes and mirrored volumes on each LSI SAS2 controller up to a maximum of 14 physical disk drives for the two volumes This includes one or two hot spare disks for mirrored arrays The following guidelines apply when creating an Integrated Striping volume All physical disks in an Integrated Striping volume must be either SATA with extended command set support or SAS with SMART support You cannot combine SAS and SATA disks in the same volume However you can create one volume with SAS disks and a second volume with SATA disks on the same controller m Disks must have 512 byte blocks and must not have removable media Page 23 Chapter 5 Creating Integrated Striping Volumes Creating Integrated Striping Volumes SAS2 Integrated RAID Solutions User Guide Integrated Striping volumes must have at least two disks and no more than 10 disks Integrated Striping volumes do not support hot spare disks Follow these steps to configure an Integrated Striping volume with the SAS2 BIOS CU The procedure assumes that the required controller s and disks are already installed in the computer
52. rives in a RAID volume if they are in a disk enclosure When you add a disk drive to a new mirrored volume the LED on the disk drive starts flashing The LED stops flashing when you finish creating the volume You can locate individual disk drives from the SAS Topology window by flashing their LEDs To do this follow these steps 1 Select the desired SAS2 controller on the Adapter List window and press Enter The Adapter Properties window appears 2 Highlight SAS Topology and press Enter The SAS Topology window appears 3 Select the disk in the Device Identifier column and press Enter The LED on the disk flashes until you press a key to stop it 4 To identify all the disk drives in a volume select the volume in the left column of the SAS Topology window and press Enter The LEDs flash on all disk drives in the volume until you press a key to stop them NOTE The LEDs on the disk drives will flash as described above if the firmware is correctly configured and the drives are in a disk enclosure LSI Corporation Confidential July 2009 SAS2 Integrated RAID Solutions User Guide 5 3 5 Selecting a Boot Disk LSI Corporation Confidential July 2009 Chapter 5 Creating Integrated Striping Volumes Other Configuration Tasks You can select a boot disk in the SAS Topology window The next time you boot the computer the firmware moves this disk to scan ID 0 making it the new boot disk This makes it easier to set BIOS boot
53. roring Striping volumes can have an even number of disks ranging from four to ten disks NOTE LSI strongly recommends that you create global hot spare disks for all mirrored volumes to increase the level of data protection If a disk in a mirrored volume fails the Integrated RAID firmware rebuilds it using one of the global hot spares and the data is safe If you create two mirrored volumes on an LSI SAS 2 controller either of the two mirrored volumes can use the global hot spares if a disk fails Follow these steps to create a two disk Integrated Mirroring RAID 1 volume with the SAS2 BIOS CU The steps begin with the Adapter List window that appears when the configuration utility starts 1 On the Adapter List window use the arrow keys to select an LSI SAS adapter and then press Enter The Adapter Properties window appears as the following figure shows LSI Corp Config Utility Adapter SAS2008 PCI Slot PCI Address Bus Dev MPT Firmware Revision SAS Address NVDATA Version Status Enabled Boot Order X Boot Support E Figure 5 Adapter Properties Window 2 Use the arrow keys to select RAID Properties and then press Enter The Create Array window appears 3 Select Create RAID 1 Volume The Create New Array window appears LSI Corporation Confidential July 2009 SAS2 Integrated RAID Solutions User Guide 3 2 2 Creating an Integrated Mirroring Enhanced or Integrated Mirroring Striping Volume LSI
54. rs If necessary press Alt N to switch to another array on this adapter 4 Select Manage Array The Manage Array window appears 5 Select Activate Array on the Manage Array window A menu window appears 6 Press Y to activate the array The array becomes active after a pause Page 25 Chapter 5 Creating Integrated Striping Volumes Other Configuration Tasks SAS2 Integrated RAID Solutions User Guide 5 3 3 Deleting an Array 5 3 4 Locating a Disk Drive or Multiple Disk Drives ina Volume Page 26 CAUTION Before you delete an array be sure to back up all data on the array that you want to keep Follow these steps to delete a selected volume array 1 In the Adapter List window use the arrow keys to select an LSI SAS adapter The Adapter Properties window appears 2 Use the arrow keys to select RAID Properties and then press Enter The Select New Array Type window appears 3 Select View Existing Array The View Array window appears If necessary press Alt N to switch to another array on this adapter 4 Select Manage Array The Manage Array window appears 5 Select Delete Array A menu window appears 6 Press Y to delete the array or press N to cancel the deletion process After a pause the utility deletes the array You can use the SAS2 BIOS CU to locate and identify a specific physical disk drive in a disk enclosure by flashing the drive s LED You can also flash the LEDs of all the disk d
55. rview of Integrated RAID Mirrored Volumes Introduction Overview of Integrated RAID Mirrored Volumes This chapter provides an overview of the LSI Integrated RAID features that support the creation of mirrored arrays 2 1 Introduction 2 2 Integrated Mirroring and Integrated Mirroring Enhanced Features LSI Corporation Confidential July 2009 As a result of the shift towards network attached storage NAS Internet service providers need a cost effective fault tolerant solution to protect the operating systems on small form factor high density rack mountable servers The mirroring features of LSI Integrated RAID provide data protection for the system boot volume to safeguard critical information such as the operating system on servers and high performance workstations The Integrated RAID solution supports the following types of mirrored arrays The Integrated Mirroring solution which provides features of RAID 1 The Integrated Mirroring Striping solution which provides features of RAID 10 The Integrated Mirroring Enhanced solution which provides features of RAID 1 Enhanced RAID 1E These three mirroring solutions provide a robust high performance fault tolerant solution to data storage needs at a lower cost than a dedicated RAID controller Mirrored volumes may have from two to ten disks to provide fault tolerant protection for critical data Mirrored volumes also support one or two global hot spare drives with a
56. s SAS2IRCU uses these services to locate the controller and its interface registers because it needs to directly access the controller chip s interface registers Format commands as follows for the SAS2IRCU command line interface sas2ircu lt controller gt lt command gt lt parameters gt Use a space to separate the program name controller number command and parameters fields The format of lt parameters gt is command specific Information passes between the user environment and the SAS2IRCU through the command line the standard output and standard error interfaces and the program return value You can redirect the output streams as permitted by the operating system When the program exits it returns a value of 0 if the command is successful Otherwise it returns a value of 1 If a RAID command fails the SAS2IRCU prints the OCStatus and OCLogInfo on the console You can use this information to analyze the cause of the failure The following table shows which commands the SAS2IRCU supports on each operating system Table 1 SASIRCU Commands DOS Linux EFI WinPE CREATE x x x x DELETE x x x x DISPLAY x x x x HOTSPARE x x x x LIST x x x x STATUS x x x x MFGPAGE x CONSTCHK x x x x ACTIVATE x x x x LOCATE x x x x LOGIR x x x x LSI Corporation Confidential July 2009 SAS2 Integrated RAID Solutions User Guide A 3 1 Common Command Line Parameters A 3
57. s data across multiple disks instead of onto one disk It does this by partitioning each disk s storage space into 64 KB stripes The firmware interleaves the stripes round robin so that the combined storage space consists alternately of stripes from each disk The following figure shows an example of integrated striping the firmware writes segment 1 to disk 1 segment 2 to disk 2 segment 3 to disk 3 and so on When the firmware reaches the end of the disk list it continues writing data at the next available segment of disk 1 LSI SAS2 Controller Segment 1 Segment 2 Segment 3 Segment 4 Segment 5 Segment 6 Segment 7 Segment 8 Segment 9 Segment 10 Segment 11 Segment 12 3_00010 00 Figure 8 Integrated Striping Example The following figure shows a logical view and a physical view of an Integrated Striping volume with three disks Logical View Physical View Stripe 8 3_00011 00 Figure 9 Integrated Striping Logical and Physical Views Speed is the primary advantage of the Integrated Striping solution because it transfers data to or from multiple disks simultaneously However there is no data redundancy The data is lost if one disk fails unless you have backed it up on other media LSI Corporation Confidential July 2009 SAS2 Integrated RAID Solutions User Guide Chapter 5 Chapter 5 Creating Integrated Striping Volumes Integrated Striping Configuration Over Creating Integrated Striping Volumes
58. st I Os over multiple disks and presents the disks as a single logical drive In general striping is transparent to the BIOS the drivers and the operating system You use the LSI SAS2 BIOS CU to configure Integrated Striping volumes These volumes can consist of two to ten disks 4 2 Integrated Striping Features Integrated Striping supports the following features Support for volumes with two to ten disks Support for two Integrated Striping volumes with up to 14 drives total on a SAS2 controller Support for combining one Integrated Striping volume and one Integrated Mirroring Integrated Mirroring Striping or Integrated Mirroring Enhanced volume on a single controller Support for both SAS and SATA drives although the two types of drives cannot be combined in one volume Fusion MPT architecture Easy to use SAS BIOS configuration utility Error notification Disk write caching which is enabled by default on all Integrated Striping volumes Use of metadata to store volume configuration on disks OS specific event log Error display inside the Fusion MPT BIOS SCSI Enclosure Services SES status LED support for drives used in Integrated Striping volumes LSI Corporation Confidential July 2009 Page 21 Chapter 4 Overview of Integrated Striping Integrated Striping Description 4 3 Integrated Striping Description Page 22 SAS2 Integrated RAID Solutions User Guide On Integrated Striping volumes the firmware write
59. y 0x01 FAILURE Bad command line arguments or operational failure 0x02 ADAPTER_NOT_FOUND Cannot find specified adapter The LOCATE command locates specific drives in a volume by turning on their location indicator sas2ircu lt controller gt locate lt Encl Bay gt lt action gt lt controller gt The index of the controller with the drives that you need to locate m lt Encl Bay gt The Enclosure and Bay number of the drive m lt action gt The possible actions are as follows ON Turn on the location indicator of the drive OFF Turn off the location indicator of the drive 0x00 SUCCESS Command completed successfully 0x01 FAILURE Bad command line arguments or operational failure 0x02 ADAPTER_NOT_FOUND Cannot find specified adapter The LOGIR command uploads or clears the Integrated RAID log information sas2ircu lt controller gt logir lt action gt filename noprompt LSI Corporation Confidential July 2009 SAS2 Integrated RAID Solutions User Guide Appendix A Commands A 3 12 2Parameters m lt controller gt The index of the controller with the logs that you need to upload or clear m lt action gt The possible actions are as follows UPLOAD Upload the controller logs to a file CLEAR Clear the controller logs m filename This optional parameter specifies the filename where the logs need to be uploaded The default filename is LOGIR LOG noprompt This optio
60. y deletes all data from a disk when you select it to use in a mirrored volume 5 Move the cursor to another line and press the space bar to add another disk to the array If you select an odd number of disks the SAS2 BIOS CU creates an Integrated Mirroring Enhanced array If you select an even number of disks it creates an Integrated Mirroring Striping array As you add disks the Array Size field changes to reflect the size of the new array 6 Press C to create the array A menu screen appears 7 From the menu options select Save changes then exit this menu A Processing message appears briefly and then the SAS2 BIOS CU returns to the Adapter Properties window Initialization of the new array continues in the background NOTE To create a second Integrated Mirroring Enhanced or Integrated Mirroring Striping volume repeat the instructions above NOTE See the instructions in Section 3 3 Managing Hot Spare Disks if you want to create one or two global hot spares You can use the online capacity expansion OCE feature to expand the capacity of a two disk Integrated Mirroring RAID1 volume by replacing the original disks with two larger disk drives while the volume remains online This process maintains data integrity at all times even if one of the disks fails during the replacement process The new disks must be at least 50 GB larger than the disks they are replacing and they must use the same protocol SAS or SATA as the
61. you do this the message changes to Please wait invoking SAS Configuration Utility After a brief pause the main menu Adapter List window of the SAS2 BIOS CU appears On some systems however the following message appears next LSI Corp Configuration Utility will load following initialization In this case the SAS2 BIOS CU loads after the system has completed its power on self test You can configure one or two Integrated Mirroring Integrated Mirroring Striping and Integrated Mirroring Enhanced volumes on each LSI SAS2 controller You can also configure one mirrored volume and one Integrated Striping volume on the same controller up to a maximum of 14 physical disk drives for the two volumes This includes up to two optional hot spare disks for the mirrored volume s Page 11 Chapter 3 Creating Mirrored Volumes Creating Mirrored Volumes SAS2 Integrated RAID Solutions User Guide 3 2 1 Creating an Integrated Mirroring Volume Page 12 m All physical disks in a volume must be either SATA with extended command set support or SAS with SMART support You cannot combine SAS and SATA disks in the same volume However you can create one volume with SAS disks and a second volume with SATA disks on the same controller Disks must have 512 byte blocks and must not have removable media Integrated mirroring volumes must have two disks Integrated Mirroring Enhanced volumes can have three to ten disks and Integrated Mir

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