IBM System x iDataPlex dx360 M2, Руководство по диагностике и обслуживанию

Страница: 239 / 264

v
View or change SCSI IDs for attached devices
v Set a SCSI device scan order
v
Set SCSI protocol parameters on SCSI hard disk drives
v
Configure arrays
v
View your RAID configuration and associated devices
v
Monitor operation of your RAID controllers
v Create a mirrored pair of SCSI hard disk drives with or without a hot-spare drive
The integrated SCSI controller with RAID capabilities supports redundant array of
independent disks (RAID) arrays. You can use the LSI Logic Configuration Utility
program to configure RAID level-1 for a single pair of attached devices. If you install
a different type of RAID adapter, follow the instructions in the documentation that
comes with the adapter to view or change SCSI settings for attached devices.
You can download an LSI command-line configuration program (CFG1030) from
http://www.ibm.com/systems/support/. For more information about the RAID
controller, go to http://www-304.ibm.com/jct01004c/systems/support/supportsite.wss/
docdisplay?lndocid=MIGR-65723&brandind=5000008 or complete the following
steps.
Note: Changes are made periodically to the IBM Web site. The actual procedure
might vary slightly from what is described in this document.
1. Go to http://www.ibm.com/systems/support/.
2. Under Product support , click Hardware upgrades .
3. Under Product family , click RAID .
4. Under Type , click on the type of RAID controller that is installed in your server.
When you use the LSI Logic Configuration Utility program to configure and manage
arrays, review the following information:
v
The integrated SCSI controller with RAID capabilities in the server supports only
RAID level-1 with a hot-spare drive installed. Installing an optional ServeRAID
controller provides additional RAID levels.
v When you create a RAID level-1 (mirrored) pair, all drives must be on the same
channel.
v
Hard disk drive capacities affect how you create arrays. The drives in an array
can have different capacities, but the RAID controller treats them as if they all
have the capacity of the smallest hard disk drive.
v You can set up a mirror after the operating system is installed on the primary
drive only if you are using an integrated SCSI controller with RAID capabilities.
You must make sure that the primary drive has the lower SCSI ID (for example,
0).
Important: If you use an integrated SCSI controller with RAID capabilities to
configure a RAID level-1 (mirrored) array after you have installed the
operating system, you will lose access to any data or applications
that were previously stored on the secondary drive of the mirrored
pair.
v If you install a different type of RAID controller, follow the instructions in the
documentation that comes with the controller to view or change SCSI settings for
attached devices.
Chapter 6. Configuration information and instructions
223