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тАО08-31-2005 05:34 AM
тАО08-31-2005 05:34 AM
HP MSL5030 tape library drive Problem
I use an HP MSL5030 tape library with HP data protector for backup. The Library have 2 drives. Drvie 2 don't work correctelly since 2 weeks. The system don't report any problem but the drive can't unload medium after a backup or during medium formating. I cleaned the drive , but there is no change.
Here is the output of the data protector error during a backup :
Major] From: BMA@backupco "HP:Ultrium 1-SCSI_2_backupco" Time: Mercredi 31 ao├╗t 2005 16:41:20
[90:180] Cannot rewind medium. ([5] I/O error)
[Major] From: BMA@backupco "HP:Ultrium 1-SCSI_2_backupco" Time: Mercredi 31 ao├╗t 2005 16:41:36
[90:64] Cannot unload exchanger medium (Details unknown.)
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тАО08-31-2005 07:30 AM
тАО08-31-2005 07:30 AM
Re: HP MSL5030 tape library drive Problem
The windows drivers for the tape drive and robot arm are disabled in the Windows device manager
The Removable Storage Medium service is disabled too
The Fibre Array Monitor agent is disabled in the HP Insight Management Agents.
best regards,
Kurt
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тАО08-31-2005 07:38 AM
тАО08-31-2005 07:38 AM
Re: HP MSL5030 tape library drive Problem
Is the unit in SAN? if yes I would have a look at the switch logs and see if there is communication errors or crc errors growing.
NSR traces and logs can also give some input
If the libraty is scsi direct attached to the server, the system event log (in case of windows platform) should contain some errors that can give a hint
marino
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тАО08-31-2005 01:09 PM
тАО08-31-2005 01:09 PM
Re: HP MSL5030 tape library drive Problem
First question: how do you manage to clean the drive if the tape can't be ejected? If it's manually by pressing the eject button on the front, then it's possibly a damaged SCSI cable or faulty firmware on the drive which are causing rewind requests to be ignored (firmware is more likely - SCSI cable is likely to hit every operation, but backup/formatting appears to succeed).
Can you rewind this manually? Even if this is Windows, you should still be able to get mt tools to allow you to do commands like
mt -f
to rewind and offline it.
If so, it may simply be taking a while to prepare the tape for eject, but this really appears to be some other problem given the I/O error on rewind. Not sure where in DP, but there's likely to be a parameter which will allow the tape drive more time before an eject is tried (eject_sleep/unload_sleep in Legato NetWorker).
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тАО08-31-2005 08:56 PM
тАО08-31-2005 08:56 PM
Re: HP MSL5030 tape library drive Problem
Thanks
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тАО09-01-2005 02:45 PM
тАО09-01-2005 02:45 PM
Re: HP MSL5030 tape library drive Problem
You can also run the the LTO drive assessment test within LTT to check out the functionality of the drive.