nStor Corporation Ultra S2S User Manual page 92

Raid controller with administor pc utilities
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Administering the Array
7
8
9
82
Increasing Array Capacity
The next two sub-steps are applicable only if you have chosen "Add System
Drive" and you have elected to create the system drive now by enabling the
Create option.
a
Select the Select Target RAID option from the Increase Capacity sequence
menu.
In the RAID level menu, choose from among the RAID levels available
b
for your new system drive. Highlight the RAID level you want then press
<Enter>.
This option is applicable only if you chose: Add System Drive, Create was set
to Enabled, and Simple or Complex LUN Mapping is in effect.
This option sets LUN mapping only for the new system drive. The LUN
mapping of the original system drive is already set and cannot be changed. If
Select LUN Mapping is unavailable, skip to Select Write Policy, step 9.
a
Choose Select LUN Mapping from the sequence menu.
You will see either the Simple LUN Mapping menu or the Complex LUN
Mapping menu, depending on the type of LUN mapping that was
assigned to the original system drive.
b
In the Simple (or Complex) LUN Mapping menu, use the cursor keys to
highlight your LUN preferences, and press <Enter> to select.
c
Press <Esc> when your choices are complete to continue.
Select Write Policy, this option is available under the following conditions:
Add System Drive was chosen and Create was set to Enabled.
This option sets the write policy (Write Through or Write Back) for the
"new" system drive. The write policy of the original system drive is already
set and cannot be changed through this option.
If Select Write Policy is unavailable, skip to Select Drive in step 10.
a
Select the Select Write Policy option from the sequence menu.
b
In the Write Policy menu, select either Write Through or Write Back as
desired and press <Enter>.

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