You configure Open File Support (OFS) after you install the Window client.
If the Tivoli® Storage Manager Open File Support feature is configured, Tivoli Storage Manager performs a snapshot-based, file-level operation, during which the real volume is available to other system applications. A consistent image of the volume is maintained during the operation.
To configure OFS, perform the following steps:
To set preferences for open file support, use the Include-Exclude tab on the Tivoli Storage Manager Preferences editor. You can set these options for all volumes or for individual volumes using the include.fs option: snapshotproviderfs, presnapshotcmd, postsnapshotcmd