The key for type Q aggregate group version record corresponds to the control file name, version, and local copy number. The next available version number for the ABACKUP output files and ABR key is determined by DFSMShsm. If all available version numbers (1–9999) have been used, a message is issued and the ABACKUP command is failed. An example of the key used with Q aggregate backup and recovery record is:

FIXCDS Q AGNAME.yyyydddnnnncc

Where:

• agname is the name of the aggregate group.
• yyyyddd indicates the date of the aggregate backup. yyyy is the 4 digit year, and ddd is the relative (Julian) day of the year.
• nnnn indicates the version number of the aggregate group version. This maintains a one-to-one correspondence between an ABR record and an aggregate backup version.
• cc indicates the local copy number described by this record.