IDC0520I

Explanation
the system writes this message to indicate the
volume serial number of the volume that contains and will contain
all catalog recovery data for the object just defined.
In the
message text: ser
The volume serial number.

System action
The system continues processing.

Programmer response
Mount the named volume for any future operation
that modifies the catalog entry for the object just defined.

Source
DFSMSdfp

Module
IDCDE01, IDCMP01, IDCRM01