Windows operating systemsAIX operating systems

Snapshotproviderfs

Use the snapshotproviderfs option to enable snapshot-based file backup and archive operations, and to specify a snapshot provider.

AIX operating systemsYou must be a root user to perform a snapshot-based file backup or archive operation. If you are not a root user, the operation fails with an error message.

Windows operating systemsAIX operating systems

Supported Clients

AIX operating systemsThis option is valid for AIX® clients only. The IBM Spectrum Protect API does not support this option. The server can also define this option.

Windows operating systemsThis option is valid for all Windows clients. The IBM Spectrum Protect API does not support this option. The server can also define this option.

Options File

AIX operating systemsSpecify this option in the server stanza of the system-options file, dsm.sys, to enable snapshots for all JFS2 file systems on the client. You can override the client-wide option for a specific operation by specifying this option on the command line for the backup and archive commands. You can also override the client-wide option for a specific file system by using the include.fs statement in the dsm.sys file. You can also set this option using the Preferences editor.

Windows operating systemsSpecify this option in the client options file, dsm.opt, to enable snapshots. You can override the client-wide option for a specific operation by specifying this option on the command line for the backup and archive commands. You can also override the client-wide option for a specific file system by using the include.fs statement in the dsm.opt file. You can also set this option using the Preferences editor.

Syntax

Read syntax diagramSkip visual syntax diagramSNAPSHOTPROVIDERFs  value

Parameters

value
Specifies one of the following values:
AIX operating systemsJFS2
AIX operating systemsSpecifies that you want to perform a snapshot-based file backup or archive while the file system is available to other system applications. Valid for JFS2 file systems on AIX clients only.
Windows operating systemsVSS
Windows operating systemsSpecifies that VSS should be used to provide OFS support. This is the default.
Note: Starting from IBM Spectrum Protect V8.1.8, the default value for SNAPSHOTPROVIDERFS and SNAPSHOTPROVIDERIMAGE has been changed from NONE to VSS. This change makes the best practice behavior the default behavior.
AIX operating systemsNONE
AIX operating systemsSpecifies that no snapshots should be used. A file backup or archive operation is performed using the specified file system. This is the default.
Windows operating systemsNONE
Windows operating systemsSpecifies that no snapshot provider should be used; OFS support is turned off.

Examples

AIX operating systemsOptions file:
AIX operating systems
snapshotproviderfs JFS2
include.fs   /kalafs1   snapshotproviderfs=JFS
Windows operating systemsOptions file:
Windows operating systems
snapshotproviderfs VSS
include.fs d: snapshotproviderfs=vss
AIX operating systemsCommand line:
AIX operating systems-SNAPSHOTPROVIDERFs=JFS2
Windows operating systemsCommand line:
Windows operating systems-SNAPSHOTPROVIDERFs=VSS