Dell POWERVAULT MD3600I User Manual
Page 4
a
Open the AMW and select the Logical tab.
b
Right-click on any virtual disk in the list.
c
Select ChangeCache Settings...
d
Select all virtual disks in the list.
e
Select the following options:
• Enable read caching
• Enable write caching
• Enable write caching with mirroring
• Enable dynamic cache read prefetch
NOTE:
Enable dynamic cache read prefetch must be disabled if the virtual disk is
used for database applications or applications with a large percentage of random
reads.
16 Rebalance the virtual disk ownership across both controllers for optimal
performance. To rebalance virtual disk ownership:
a
In the AMW, select the Logical tab.
b
Right click on every alternate virtual disk and select Change
Ownership/Preferred Path RAID Controller Module in Slot 1…
c
Select Yes.
NOTE:
Step 16 can be completed using Script Editor or CLI commands when you
have a large number of virtual disks. In script editor, run the following command
as described in Step 3:
set virtualDisks [“virtualDiskName1”,
“virtualDiskName3”,…, “virtualDiskNameN”] owner=
1;
For more information on using the CLI, see the CLI Guide, at
support.dell.com/manuals.
This ensures that virtual disk ownership is evenly distributed across both
controllers.
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