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Set SSD cache for a volume

The set volume ssdCacheEnabled command turns on or off caching using the SSD cache feature for a specific volume.

Supported Arrays​

This command applies to an individual DE2000H, DE4000H, or DE6000H storage array.

Roles​

To execute this command on an storage array, you must have the Storage Admin role.

Context​

The volume can be one of these:

  • Standard volume, identified by either a name or a WWID

  • Snapshot volume

  • Consistency group snapshot volume

Syntax applicable to a standard volume​

set volume ([<var id="GUID-739D5475-8503-44D0-AEBD-EFDE4ACCD921__V1111703" className="keyword varname">volumeName</var>] | <"WWID">) ssdCacheEnabled=(TRUE | FALSE)

Syntax applicable to a snapshot volume​

set snapVolume ["<var id="GUID-739D5475-8503-44D0-AEBD-EFDE4ACCD921__V1111703" className="keyword varname">snapVolumeName</var>"] ssdCacheEnabled=(TRUE | FALSE)

Syntax applicable to a standard volume​

set volume ([<var id="GUID-739D5475-8503-44D0-AEBD-EFDE4ACCD921__V1111703" className="keyword varname">volumeName</var>] | <"WWID">) ssdCacheEnabled=(TRUE | FALSE)

Parameters​

ParameterDescription
volume

The name of the standard volume for which you want to turn on or turn off the SSD cache. Enclose the name of the volume in square brackets ([ ]). If the name of the volume has special characters or numbers, you must enclose the name of the volume in double quotation marks (" ") inside of square brackets ([ ]).

volume The World Wide Identifier (WWID) of the standard volume for which you want to turn on or turn off the SSD cache. Enclose the WWID in double quotation marks (" ") inside angle brackets (< >).
snapVolume The name of the snapshot volume for which you want to turn on or turn off the SSD cache. Enclose the name of snapshot volume in double quotation marks (" ") inside of square brackets ([ ]).
cgSnapVolume The name of the consistency group snapshot volume for which you want to turn on or turn off the SSD cache. Enclose the name of the consistency group snapshot volume 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 volume at a time.

When you turn off SSD cache for a volume, the SSD cache for that volume is purged.