On 3 sep 2010, at 15:23, Dury, John C. wrote: > We have an AIX server running TSM server v5.5.4.0 that is attached to two > tape libraries, one remote and one local. The tape libraries are both STK > SL500 libraries with 4 LTO4 drives in each. The remote library is configured > as a copy storage pool. Several times through the day, we run "backup > stgpool" to backup the local tape library to the remote tape library to try > and keep them in sync using 3 processes. Two of the processes run to > completion but the 3rd process seems to hang. It only backs up 1 file from > library to library and then never progresses any further, even after many > many hours. Because it seems to hang, it ends up pinning the recovery log > which just keeps filling up until I end up cancelling the "backup stg" > process which unpins the recovery log. I've checked and it doesn't seem to > be the same tapes each time. Unfortunately this seems to happen several > times, and often in the middle of the night. > Is there any way to diagnose why the backup storage pool process is > stopping/hanging at 1 file? I don't see any errors anywhere, either in the > activity log or in the tape library. If it at all possible,is there a way to > find the one file that seemingly takes forever to complete. This has been > going on for quite awhile now and pinning the recovery log lead to quite a > few other problems (as I'm sure you all know). > Thanks, > John
is that 3rd process maybe working on a huge file? TSM doesn't update the status of a process until a whole file has been copied. Or, is it maybe waiting for access to a tape that another process is using? -- Met vriendelijke groeten/Kind Regards, Remco Post [email protected] +31 6 248 21 622
