IBM 866251Y - Netfinity 5500 M20, Hardware Maintenance Manual

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that is close to the size of the system
I/O request. You can set the stripe-unit
size to 8 KB, 16 KB, 32 KB, or 64 KB.
When the stripe-unit size is 8 KB (the
default setting) or 16 KB, the maximum
number of physical drives supported in
an array is 16. When the stripe-unit size
is 32 KB or 64 KB, the maximum
number of physical drives supported in
an array is eight. (See “Interleave depth
and stripe-unit size” on page 67 for
more information.)
Ÿ
Scan for New or Removed Ready
Drives: This choice is available in the
Information mode only. When you
select this choice, the configuration
program scans all channels on the
ServeRAID controller for new or
removed Ready drives.
The following choices appear on the Actions
pull-down menu when you select the Arrays
icon or a specific array icon from the Main
Tree:
Ÿ
Create an Array: This choice appears
in the Information mode if you select the
Arrays icon and Ready drives are
available. When you select this choice,
the configuration program switches from
the Information mode to the
Configuration mode.
Ÿ
Delete All Arrays: This choice is
available in the Information mode only.
It appears on the Actions pull-down
menu if you select the Arrays icon from
the Main Tree and arrays are defined for
the controller.
Ÿ
Delete Array: This choice is available
in the Information mode only. It appears
on the Actions pull-down menu when
you select a specific array icon from the
Main Tree.
The following choices appear on the Actions
pull-down menu when you select the Logical
Drives icon or a specific logical drive icon
from the Main Tree:
Ÿ
Create a Logical Drive in Array: This
choice appears on the Actions pull-down
menu in the Information mode if you
select the Logical Drives icon and free
space is available in one or more arrays.
Ÿ
Change Write-Cache Mode to Write
Through or Write Back: These
choices are available in the Information
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Netfinity Server HMM