I would suspect that another LPAR with different TMS has to do with it. It happened to a few customers of mine. Usually it was a test system in the other LPAR with the same scratch category. in DEVSUPXX parmlib's member. That is why I always preach to change the IBM default categories.
Regards, Arye On Tue, Sep 9, 2025 at 3:51 PM rpinion865 < [email protected]> wrote: > We have an IBM TS7770 and we use BMC's Control-T for our tape management. > We are running z/OS 2.4 on an IBM z15. > Today, I encountered two volumes that had cataloged datasets and were > properly retained by CTT, that got the IEC149I 813-04 > ABEND. As part of that message, the contents of the dataset header record > is displayed and it was zeroes. Normally, when > CTT scratches a tape, it requests the VTS to zero the dataset header > record. I looked through the various CTT batch jobs for > that LPAR, and everything said the tapes were cataloged and being retained > by CTT. In addition, I used ISMF to display the two > tapes, and the volumes were marked as private. > > Lastly, I logged onto the TS7770 UI and displayed the virtual volumes and > the used MBs indicated the tape was in scratch > status. I checked the TS7770 for error messages, but I did not find any. > Does anybody have an idea as to how this can > happen? Thanks in advance. > > "Confidentially doc, I am the wabbit." > > Bugs Bunny > > Sent with [Proton Mail](https://proton.me/mail/home) secure email. > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to [email protected] with the message: INFO IBM-MAIN > ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
