When removing a volume from the control of DFSMShsm in an HSMplex environment, a DELVOL command must be issued on each DFSMShsm host in the HSMplex. If a DELVOL command is not issued on a host, the volume might continue to be managed by that host even though the other hosts are no longer managing the volume.

To help ensure that the volume is removed from the control of each DFSMShsm host, the MCVTF_DELVOL_WTOR bit can be turned on to cause the WTOR message ARC0265I to be issued for each DELVOL command. Message ARC0265I is a reminder that the DELVOL command must be issued on each DFSMShsm host in the HSMplex and requests confirmation from the user to process the DELVOL command. If confirmed, DFSMShsm will process the DELVOL command on the corresponding host. Otherwise, the DELVOL command is not processed. It is the responsibility of the user to issue the DELVOL command on each host. If this patch is not enabled, WTOR message ARC0265I is not issued before processing the DELVOL command.

PATCH .MCVT.+297 BITS(...1....)