Gateway 9715 - Manual (Page 193)

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Chapter 6: Configuring your RAID solutions
Custom RAID configuration
If you choose Custom Configuration , the Web Console displays the Array Definition screen
with an Arrays pane containing all previously configured arrays. Each logical drive has a
label (such as LD 0), RAID level, and drive capacity. Spanned arrays use hyphenated array
numbers such as LD0-1, which indicates disk drive 1 in array 0.
To create an array:
1
Hold down the C TRL key and click the drives you want to add to the array. The selected
drives will be highlighted in blue.
2
Click Add to Array. A new logical drive will be displayed in the Arrays pane.
3
Click Accept, then Next to continue.
Defining logical drives
After configuring the physical drives, the Logical Drive Parameter screen opens. This screen
displays the logical drive(s) for you to define. You can specify the RAID level and size. You
can also span arrays and set advanced parameters.
The Logical Drive window displays all the arrays on the current adapter and the global hot
spare drive pool. Web Console labels logical drives as New or LD0, LD1, LD2, and so forth.
You must define all the logical drives to be configured in the new array. Do not create
drives that span the current array and another array. Uncheck the Span Array box.
To define logical drives:
1
Click the RAID Level from the list. The Wizard does not permit an invalid RAID level
configuration.
2
Set the size by accepting the default or by entering a smaller size in the Size box.
Specify a smaller size to leave room in the array for additional logical drives.
Creating multiple logical drives in the same array disables FlexRAID, so you cannot
change RAID levels or add capacity. Do not mix redundant and non-redundant logical
drives in the same array.
3
Click Advanced to set the stripe size, read policy, write policy, virtual sizing, and cache
policy. Open each list to display the options for each parameter, select an option, then
click
OK to proceed.
If you use Web Console to configure an array on a NetWare server, you cannot use
Writeback as the write policy.
8510702.book Page 188 Thursday, July 7, 2005 11:21 AM