IEC256A

Explanation
The job is overlaying a secure tape checkpoint
data set with a noncheckpoint data set.  The volume serial number
involved is mounted on the device defined by the DD statement.
In
the message text: jjj
The job name.
ddname
The DD name on the DD statement.
utn
The device number of the specified device.
ser
The volume serial number.

System action
Processing continues.

Operator response
Reclassify the volume as nonsecure. This will
probably involve the removal of a special checkpoint label attached
to the physical tape volume.

Source
DFSMSdfp

Module
IFG0193D

Routing code
3,4,9

Descriptor code
3