BPXF271I

Explanation
 This message is issued when an unmount failed
because the file system contains mountpoints for one or more other
file systems which must be unmounted first.
In the message text: filesysname
The name of the file system being unmounted.
childfilesysname
The name of one of the file systems mounted on the file system
being unmounted.

System action
 The unmount fails.

Operator response
 None.

System programmer response
 Unmount the child file system identified
in the message, and then retry the original unmount. Only the first
child file system found is identified, but there may be additional
mounted file systems that must also be unmounted first. D OMVS,F or
MODIFY BPXOINIT,FILESYS=DISPLAY,ALL commands may be issued to determine
if there are other mounted file systems whose mountpoints are in the
file system.

Module
 BPXFSUMT, BPXVRPRU

Source
 z/OS® UNIX System Services kernel (BPX)

Routing Code
 2

Descriptor Code
 4, HARDCOPY ONLY