Stopping a physical file system (PFS) through a logical file system (LFS) interface

Use the MODIFY OMVS command to stop a PFS through an LFS interface.

F OMVS,STOPPFS=pfsname
        
The parameters are:
pfsname
Indicates the name of the PFS to be stopped. This is the name used on the FILESYSTYPE statement from the BPXPRMxx parmlib member that defined the PFS.