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san - shared tapedrives problem
We have an ATL library with 5 drives spread over 3 bridges.
When we reboot the servers attached to the san, we sometimes loose one or more tapedrives (not all drives are detected on all servers) A simple rescan on windows solves this problem .... but checking if the tapedrives are detected or not after each server reboot is of course a bit crazy.. environment : windows 2000 servers qlogic hba's with persistent binding brocade switces 38xx ATL library with ATO bridges Anyone who has seen this kind of behaviour before , any hints on where the problem could be situated (hardware , software ?) ? Kind Regards, Wouter |
#2
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Hi,
just a guess, most of these problems reside in SCSI/FC Bridges, you've said that the drives are shared, so there might be other requests from other systems to the mapped tape drives. If that happens tapes usually respond busy signals to the second request and that can cause in lost devices ... good luck, Rene Wouter Goderis wrote in message . .. We have an ATL library with 5 drives spread over 3 bridges. When we reboot the servers attached to the san, we sometimes loose one or more tapedrives (not all drives are detected on all servers) A simple rescan on windows solves this problem .... but checking if the tapedrives are detected or not after each server reboot is of course a bit crazy.. environment : windows 2000 servers qlogic hba's with persistent binding brocade switces 38xx ATL library with ATO bridges Anyone who has seen this kind of behaviour before , any hints on where the problem could be situated (hardware , software ?) ? Kind Regards, Wouter |
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