HP NetRAID 1Si Controller - Manual (Page 73)

Chapter 3 HP NetRAID Config
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If you want to create more than one logical drive in an array, set a size
of less than the actual capacity.
•
If you want to span only two or three arrays, rather than the four-array
maximum, set a size that reflects the number of arrays you want to
span.
11. Choose the Advanced menu to set the following options.
•
Stripe size: This parameter specifies the size of the segment written to
each disk in a logical drive.
•
Write Policy: This parameter identifies the Write policy for the logical
drive. You can set the write policy to Write-Back or Write-Through.
•
Read Policy: This parameter identifies the Read policy for the logical
drive. You can set this parameter to Normal, Read-Ahead, or Adaptive.
•
Cache Policy: This parameter identifies the Cache policy for the
logical drive.
(For definitions of the Write policy, Read policy, Cache policy, and
their options, see the "Glossary" in this guide.)
Press Esc to exit the Advanced Menu.
12. When you are finished defining the current logical drive, highlight Accept
and press Enter. If there is space remaining in the arrays, the next logical
drive to be configured appears. Repeat Steps 8 to 11 to configure another
logical drive. If the array space has been used up, a list of the existing
logical drives appears.
13. Save your configuration by responding to the save prompt.
14. Initialize the logical drives you have just configured. See "Initializing
Logical Drives" in this chapter for more information.
D Designating Drives as Hot Spares
HP NetRAID Config lets you create global hot spares. Users with Microsoft
Windows NT and Windows 2000 can use HP NetRAID Assistant to create a hot
spare that is dedicated to one specific logical drive. Users with other operating
systems do not have the ability to create hot spares that are dedicated to one
logical drive.
There are two methods for designating physical drives as hot spares: