LSI SAS2 Integrated RAID Solution User Manual Download

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SAS2 Integrated RAID Solution

User Guide

Version 2.0

August 2010

Summary of Contents for SAS2 Integrated RAID Solution

Page 1: ...SAS2 Integrated RAID Solution User Guide Version 2 0 August 2010...

Page 2: ...tion 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 inf...

Page 3: ...ite Caching 12 2 4 7 NVSRAM Usage 12 2 4 8 Background Initialization 12 2 4 9 Consistency Check 12 2 4 10 Make Data Consistent 12 Chapter 3 Creating Mirrored Volumes 13 3 1 Mirrored Volume Configurati...

Page 4: ...Drives in a Volume 28 5 3 5 Selecting a Boot Disk 29 Appendix A Using the SAS2 Integrated RAID Configuration Utility 31 A 1 Hardware and Software Requirements 31 A 1 1 Controller Support 31 A 1 2 Ope...

Page 5: ...mware 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...

Page 6: ...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...

Page 7: ...cal data Mirrored volumes also support one or two global hot spare drives with a maximum of 14 drives on each LSI SAS2 controller NOTE Fourteen drives is the theoretical upper limit for a single LSI S...

Page 8: ...Consistency checking Fusion MPT architecture Menu driven BIOS based configuration utility Error notification in which the drivers update an OS specific event log Support for SCSI Enclosure Services SE...

Page 9: ...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 m...

Page 10: ...ilures or changes in the environment CAUTION The SAS2 BIOS CU deletes all existing data from the disks drives when you select them to use for a mirrored volume 3_00008 00 Physical View Logical View Mi...

Page 11: ...In a mirrored volume with an odd number of disks primary and secondary sets include three disks instead of two 2 4 3 Hot Spare Disk You can configure two disks as global hot spare disks to protect da...

Page 12: ...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 aut...

Page 13: ...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 you do this the mes...

Page 14: ...d 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...

Page 15: ...ternatively follow the instructions in the following section to create an Integrated Mirroring Enhanced or Integrated Mirroring Striping volume NOTE See the instructions in Section 3 3 Managing Hot Sp...

Page 16: ...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 wa...

Page 17: ...indow appears when the expansion process completes 11 Run a commercial tool specific to the operating system to move or increase the size of the partition on the newly expanded RAID1 volume 3 3 Managi...

Page 18: ...eat the preceding step to select a second global hot spare disk 9 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 t...

Page 19: ...ou view the mirrored volume that uses the same type of disks as the hot spare disks 4 If the currently displayed array is not the one you want press Alt N to view another array on the adapter 3 4 2 Ru...

Page 20: ...pears 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...

Page 21: ...ht 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 iden...

Page 22: ...eferred boot disk move the cursor to the disk and press Alt B 4 To remove the boot designator move the cursor to the current boot disk and press Alt B This controller no longer has a disk designated a...

Page 23: ...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...

Page 24: ...isk list it continues writing data at the next available segment of disk 1 Figure 8 Integrated Striping Example The following figure shows a logical view and a physical view of an Integrated Striping...

Page 25: ...2 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...

Page 26: ...List window select an LSI SAS adapter and press Enter The Adapter Properties window appears as the following figure shows Figure 10 Adapter Properties Window 2 Select RAID Properties and press Enter...

Page 27: ...ties 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 If the currently displayed array is n...

Page 28: ...a pause the utility deletes the array 5 3 4 Locating Disk Drives in a Volume You can use the SAS2 BIOS CU to locate and identify a specific physical disk drive in a disk enclosure by flashing the dri...

Page 29: ...nnot find the preferred boot device when it loads it attempts 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...

Page 30: ...RAID Solution User Guide Page 30 LSI Corporation Confidential August 2010 6 To select an alternate boot disk move the cursor to the disk and press Alt A NOTE To change the alternate boot device from o...

Page 31: ...se the SAS2IRCU utility Instead they 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 A 1 H...

Page 32: ...on Format commands as follows for the SAS2IRCU command line interface sas2ircu controller_ command parameters Use a space to separate the program name the controller number the command and the paramet...

Page 33: ...lers controller 0 references the first controller and controller 1 references the other controller Valid controller number values are 0 to 255 decimal Enclosure Bay The enclosure and bay slot of a per...

Page 34: ...sDisks MaxGlobalHotSpares MaxPhysDisks maximum number of physical drives combined in all volumes on the controller For more information refer to the description of the IOC configuration pages in the F...

Page 35: ...is running Program Return Value 0x00 SUCCESS Command completed successfully 0x01 FAILURE Bad command line arguments or operational failure 0x02 ADAPTER_NOT_FOUND Cannot find specified adapter A 3 4 D...

Page 36: ...on 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 IR Volume information Physical dev...

Page 37: ...s not suitable for use in an array or a hot spare pool Failed FLD The drive failed and is now offline Missing MIS The drive has been removed or is not responding Standby SBY The device is not a hard d...

Page 38: ...SSD hot spare to a volume that has HDDs or vice versa Command Line sas2ircu controller_ hotspare delete Enclosure Bay Parameters controller_ The index of the controller on which you want to create the...

Page 39: ...d 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 Inacti...

Page 40: ...rmware to start a consistency check operation on the specified volume Command Line sas2ircu controller_ constchk volumeId noprompt Parameters controller_ The index of the controller on which the consi...

Page 41: ...and line arguments or operational failure 0x02 ADAPTER_NOT_FOUND Cannot find specified adapter A 3 12 LOGIR Command The LOGIR command uploads or clears the Integrated RAID log information Command Line...

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