Specifying which volumes are backed up automatically

For non-SMS-managed storage, you can identify each individual volume that DFSMShsm backs up automatically. At the same time that you make the volume known to DFSMShsm, you can specify the kind of unit to back the volume up to.

If multiple DFSMShsm hosts are requested to process automatic backup, only the first DFSMShsm host to process a given volume will perform the function. However, should you find it necessary to limit processing of certain volumes to one DFSMShsm host, you can do so by:

Specifying the AUTOBACKUP parameter on the ADDVOL command in the DFSMShsm host you want to perform automatic backup on the volume
Specifying the NOAUTOBACKUP parameter on the ADDVOL command in the DFSMShsm hosts you do not want to perform automatic backup on the volume

See Figure 2 for the example system to which you will add the volumes. DFSMShsm host 3 will do the backup processing for the non-SMS-managed volumes, so the following commands are added to the ARCCMDxx member for DFSMShsm host 3:

   ADDVOL GP0001 UNIT(3390) PRIMARY(AUTOBACKUP)
 
   ADDVOL GP0002 UNIT(3390) PRIMARY(AUTOBACKUP)
 
   ADDVOL GP0003 UNIT(3390) PRIMARY(AUTOBACKUP)
 
   ADDVOL UG1001 UNIT(3390) PRIMARY(AUTOBACKUP)
 
   ADDVOL UG1002 UNIT(3390) PRIMARY(AUTOBACKUP)
 
   ADDVOL UG1003 UNIT(3390) PRIMARY(AUTOBACKUP)
 
   ADDVOL UG2001 UNIT(3390) PRIMARY(AUTOBACKUP)
 
   ADDVOL UG2002 UNIT(3390) PRIMARY(AUTOBACKUP)
 
   ADDVOL UG2003 UNIT(3390) PRIMARY(AUTOBACKUP)
 
   ADDVOL VP0001 UNIT(3390) PRIMARY(AUTOBACKUP)
 
   ADDVOL VP0002 UNIT(3390) PRIMARY(AUTOBACKUP)
 
   ADDVOL VP0003 UNIT(3390) PRIMARY(AUTOBACKUP)

You can add the following commands to the ARCCMDxx member in DFSMShsm hosts 1 and 2:

   ADDVOL GP0001 UNIT(3390) PRIMARY(NOAUTOBACKUP)
 
   ADDVOL GP0002 UNIT(3390) PRIMARY(NOAUTOBACKUP)
 
   ADDVOL GP0003 UNIT(3390) PRIMARY(NOAUTOBACKUP)
 
   ADDVOL UG1001 UNIT(3390) PRIMARY(NOAUTOBACKUP)
 
   ADDVOL UG1002 UNIT(3390) PRIMARY(NOAUTOBACKUP)
 
   ADDVOL UG1003 UNIT(3390) PRIMARY(NOAUTOBACKUP)
 
   ADDVOL UG2001 UNIT(3390) PRIMARY(NOAUTOBACKUP)
 
   ADDVOL UG2002 UNIT(3390) PRIMARY(NOAUTOBACKUP)
 
   ADDVOL UG2003 UNIT(3390) PRIMARY(NOAUTOBACKUP)
 
   ADDVOL VP0001 UNIT(3390) PRIMARY(NOAUTOBACKUP)
 
   ADDVOL VP0002 UNIT(3390) PRIMARY(NOAUTOBACKUP)
 
   ADDVOL VP0003 UNIT(3390) PRIMARY(NOAUTOBACKUP)

For non-SMS-managed volumes, you can restrict the kind of unit that is used when backing up the volume. The BACKUPDEVICECATEGORY parameter of the ADDVOL command lets you specify whether to back the volume up to either DASD or tape (if you have identified both DASD and tape backup volumes to DFSMShsm with the ADDVOL command).