Use at the server console to make a volume unavailable to users.
DISMOUNT volume_name
| Parameter | Use to | 
|---|---|
volume_name  | 
Specify the name of the volume you want to dismount.  | 
 Mounted volumes take up memory allocated for file caching and thus affect server performance.
| Topic | See | 
|---|---|
Dismounting a volume  | 
Dismounting a Traditional Volume or Creating a Logical Volume.  |