Set SSD cache for a volume

04/20/2023 Contributors

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 any individual storage array, including the E2700, E5600, E2800, E5700, EF600, and EF300 arrays, as long as all SMcli packages are installed.

Roles

To execute this command on an E2800, E5700, EF600, or EF300 storage array, you must have the Support 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 ([volumeName] | <"WWID">) ssdCacheEnabled=(TRUE | FALSE)

Syntax applicable to a snapshot volume

set snapVolume ["snapVolumeName"] ssdCacheEnabled=(TRUE | FALSE)

Syntax applicable to a consistency group snapshot volume

set cgSnapVolume ["cgSnapVolumeName"] ssdCacheEnabled=(TRUE | FALSE)

Parameters

Parameter Description

Parameter	Description
`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`.

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.

Minimum firmware level

7.84

11.80 adds EF600 and EF300 array support