ARC0238I

Explanation
 A DEFINE command with the POOL parameter was issued
in a JES3 system. The volume volser could not be
added to the data set pool identified by qual. DFSMShsm detected
that the volume is either not mounted or is mounted but varied offline.

System action
 DEFINE command processing continues. DFSMShsm processing
continues. The specified volume is not added to the data set pool.
Other volumes specified on the DEFINE POOL command are evaluated separately
for inclusion in the data set pool.

Operator response
 Complete the following steps:  Establish and verify pool volume accessibility.
If the pool volume is not mounted, mount the volume.
If the pool volume is not online, vary it online.
Restart DFSMShsm if
the specified volume can be mounted and varied online.
If volume cannot be mounted and varied online, notify the storage
administrator.

Source
 DFSMShsm