IBM-AUSTRIA - PC-HW-Support    30 Aug 1999

Configuring a logical drive - IBM ServeRAID-3H and ServeRAID-3L Adapters

1.  Click on the ServeRAID controller that you want to configure in the Main Tree.
2.  Click on the Custom Configuration radio button.
3.  Click on the Next button.

   Note: You must have two or more drives for RAID level 1 and three or more drives for RAID level 5  within the same array.

4.  Do one of the following:
   •  Using the right mouse button, click on the drive or SCSI Channel icons in the Main Tree to select  the drives that you want to add to your arrays, delete from your arrays, or define as hot-spare  drives, then, select a choice from the pop-up list.

       or

   •  Drag the drive or SCSI Channel icon from the Main Tree and drop it on the Array or Hot-Spare  Drive icon in the Main Panel on the right. If you change your mind, you can drag the icons back  to the Main Tree to remove them from the configuration.

5.  After you select the data drives for your arrays and define your hot-spare drives, click on the Next button.
    If you change your mind, you can:
   •  Remove a specific drive from a newly defined array or delete an entire newly defined array.  To do this:
   1.  Click on the Back button.
   2.  Using the right mouse button, click on the specific drive or Array icon in the Main Panel on the right.
   3.  Select Remove from New Array or Delete New Array.
   •  Remove a specific hot-spare drive or all newly defined hot-spare drives. To do this:
   1.  Click on the Back button.
   2.  Using the right mouse button, click on the Hot-Spare Drive icon in the Main Panel on the right.
   3.  Select Remove New Hot-Spare Drive or Remove All New Hot-Spare Drives.

6.  Select a RAID level for the logical drive from the RAID pull-down menu in the Main Panel. (Refer to  the ServeRAID documentation for descriptions of the supported levels.)
7.  Move the sliding bar in the Main Panel from right to left to allot data and parity space for the logical  drive.

   Notes:

   1.  You can define only one logical drive per array in a failover environment.
   2.  Some operating systems have size limitations for logical drives. Before you save the  configuration, you might want to verify that the size of the logical drive is appropriate for Windows  NT. See the documentation that came with Windows NT for more detailed information.
   3.  Typically, the first logical drive defined on the first ServeRAID adapter or controller found by  system BIOS during startup will be your startup (boot) drive.

8.  Click on the Next button.
9.  Review the information that appears on the Configuration Summary screen.

   Note: To change the configuration, click on Modify.

10.  Click on Apply to accept and save the configuration.

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