Dell PowerVault MD3420 - Manual (Page 226)

Enable Or Disable SSD Cache For A Virtual Disk
Description
This command turns on or off caching using the SSD cache feature for a specific virtual disk. The virtual
disk can be either a standard virtual disk, a snapshot virtual disk, or a consistency group snapshot virtual
disk.
Syntax Applicable To A Standard Virtual Disk
set virtualDisk ["virtualDiskName"] ssdCacheEnabled=(TRUE | FALSE)
Syntax Applicable To A Snapshot Virtual Disk
set snapVirtualDisk ["snapVirtualDiskName"] ssdCacheEnabled=(TRUE | FALSE)
Syntax Applicable To A Consistency Group Snapshot Virtual Disk
set cgSnapVirtualDisk ["cgSnapVirtualDiskName"] ssdCacheEnabled=(TRUE | FALSE)
Parameters
Parameter Description
virtualDisk, snapVirtualDisk, or
cgSnapVirtualDisk The name of the specific virtual disk for which you
want to turn on or off the SSD cache. Enclose the
virtual disk name in double quotation marks (" ")
inside of square brackets ([ ]).
ssdCacheEnabled To turn on SSD cache, set this parameter to TRUE.
To turn off SSD cache, set this parameter to
FALSE.
Notes
You can turn the SSD cache on or off for only one virtual disk at a time.
When you turn off SSD cache for a virtual disk, the SSD cache for that virtual disk is purged.
Enable RAID Controller Module Data Transfer
Description
This command revives a RAID controller module that quiesces while running diagnostics.
Syntax
enable raidControllerModule [(0 | 1)] dataTransfer
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