Dell POWERVAULT MD3620I - Manual (Page 117)

Configuration: Disk Groups and Virtual Disks 117
4 Select one or more virtual disks. Move the Select modification priority
slider bar to the desired priority.
NOTE: To select nonadjacent virtual disks, press click. To select
adjacent virtual disks, press click. To select all of the available virtual
disks, click Select All.
5 Click OK.
A message prompts you to confirm the change in the virtual disk
modification priority.
6 Click Yes.
7 Click OK.
Changing the Virtual Disk Cache Settings
You can specify the cache memory settings for a single virtual disk or for
multiple virtual disks in a storage array.
Guidelines to change cache settings for a virtual disk:
• After opening the Change Cache Settings dialog, the system may display a
window indicating that the RAID controller module has temporarily
suspended caching operations. This action may occur when a new battery
is charging, when a RAID controller module is removed, or if a mismatch
in cache sizes is detected by the RAID controller module. After the
condition is cleared, the cache properties selected in the dialog become
active. If the selected cache properties do not become active, contact your
Technical Support representative.
• If you select more than one virtual disk, the cache settings default to no
settings selected. The current cache settings are displayed only if you select
a single virtual disk.
• If you change the cache settings by using this option, the priority of all of
the virtual disks that you selected is modified.
To change the virtual disk cache settings:
1 In the AMW, select the Logical tab and select a virtual disk.
2 In the toolbar, select Virtual Disk Change Cache Settings.
The Change Cache Settings window is displayed.
3 Select one or more virtual disks.
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