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Specifying the Unit Configuration
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To select the desired RAID configuration
1 Press Enter in the RAID Configuration field to display the
available RAID levels for the number of drives you selected.
Figure 13. List of Configuration Choices for Four Drives
2 Use the arrow keys to highlight the desired RAID
configuration and press Enter.
For information about the different RAID levels and when to
use each, see “Understanding RAID Concepts and Levels” on
page 28.
To enable or disable write cache and set striping size
The write cache and striping size parameters depend on the type of
RAID level you selected.
Note: You can enable or disable the write cache again
later without affecting the configuration. However, you
cannot change the stripe size later without reconfiguring
the unit.
1 Use the arrow keys or press Tab to move to the field Array’s
Write Cache State.
2 Select whether you want the write cache to be enabled or
disabled for this unit.
The default is for write cache to be enabled. For more
information about write cache, see page 31.
3 Press Tab to move to the field Stripe Size and select the desired
stripe size (16KB, 64KB, or 256KB).