Source:  FILESYS.NLM

Possible Cause:  A disk driver was unloaded.

Possible Cause:  The operating system initiated the driver unload.

Action:  Make sure the disk driver is loaded.

Possible Cause:  A disk failure occurred.

Action:  See "Disk Errors in the Server Operating System Administration Guide.

Possible Cause:  The volume is offline and unavailable to users.

Action:  Remount the volume.