CBR6428I OAM tape volume volser has been marked not readable.
Explanation
OAM is processing read commands for volume volser and there have been at least three read failures for this volume during the same mount. This could indicate a volume or drive problem and must be investigated. See previous OAM messages CBR6416I for details on each of the read failures for this volume.
System action
OAM continues processing. All subsequent read requests for this volume will fail with reason and return codes indicating volume is not readable.
Operator response
Inform your system programmer.
System programmer response
Investigate the problem with the tape volume to determine if it is a volume or drive problem. If it turns out to not be a problem with the volume, the OAM Update Volume operator command can be used to indicate to OAM that the volume is readable.
Programmer response
None.
Module
None.
Source
Object Access Method (OAM)
Routing Code
2,3,5
Descriptor Code
4