Oh good, I am not alone. I am pushing IBM at the moment to try and rectify this condition. However, I felt I was in a losing battle.
Seems I was correct. I will redo our side and leave poor over worked IBM alone. Lizette > >On Fri, 27 Feb 2009 08:32:23 -0500, Lizette Koehler wrote: > >>Running z/OS V1.9 with JES2, GRS, and CA1 >> >>I have a production batch job that has been running fine for months passing >>a tape from one step to the next. Now it is receiving CBR4000I messages >>indicating that the tape is already mounted on a different drive. >> >>The previous step is (,CATLG) and VOL=(,RETAIN,REF=*.prevstep.ddname) >for >>all of the datasets that are to be stacked on the same tape. And the next >>step uses the same coding technique for stacking its datasets on the >>previous steps output tape dataset. >> >>The job will get the CBR message to Cancel Retry or Wait. When Cancel is >>replied the job fails with S613-1C >> >>Okay, I can see that. The tape is still mounted on the drive from the >>previous step and now the next step wants it to be mounted on a different >>drive. No Dismount has been issued between the steps. >> >>IBM is telling me that this is normal. That something called tape stealing >>can occur in a busy system and they looked at my dump and see that the >UCB >>has been cleared. >> > >We have this problem too. We get around it by defining the tape drives as a >resource in our scheduler and only allowing a certain number of JOBs to run >against that resource at a time. We still run into issues occasionally when >users submit a JOB to access a tape and all the drives are being used. We >have eight of the drives and set the resource to seven. That allows one user >JOB to enter the mix without issue. If there are more, drive stealing occurs >and the operators cancel user JOBs. > >Seems pretty silly, but that's the way IBM suggested we deal with it. > ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@bama.ua.edu with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html
