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Restore objects from poor tape

Gulnaz Amirova

Hello Team,

Could you please advise on the below.

During restore operation we got IO errors like Cannot forward segment" etc. And it made the tape poor, also all the objects were marked as Failed.

Omnimm –reset_poor_medium made the tape green again but the status of the objects is still Failed so we are unable to restore any of the sessions on the tape (there are many and we highly need to keep them restorable).

How could we reset the status of the objects back to Completed (the sessions there were initially successful)?

Thank you!

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  • 0  

    There have been discussions around this in the past already. If a medium is "verified" and all objects are readable then it may seem logical to reset the object status. However, it all depends on what is meant by a "Completed" status. The object may be readbale, but it's still not sure that it is really complete. It is possible that not all data has been backed up at backup time and hance the choice may be to leave the status unchanged. Frankly, I would need to test to know what the behavior is in the most recent versions.

    So that is what you may try, a verification of the medium. Does that change anything or not? Next question is: did you really try a restore? Are you sure that the restore fails because of the status? If you tried a restore then is part of the "Failed" object restored or is the restore of the object simply not starting at all?

  • 0 in reply to   

    Hello Koen,

    Thank you very much for your reply!

    We tried coping the tape so far, it fails with CSM error

          FAILED to copy of BAR client:/KZ/temp2 "MSSQL" from session Ń…Ń…Ń…Ń…Ń….

          Object does not have status "Completed" or "Completed/Errors".

    Shall we better try the restore instead of copy?

    Verify is still working, so far it did not change the objects status. We will see how it completes.

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  • 0 in reply to   

    Hello Koen,

    Thank you very much for your reply!

    We tried coping the tape so far, it fails with CSM error

          FAILED to copy of BAR client:/KZ/temp2 "MSSQL" from session Ń…Ń…Ń…Ń…Ń….

          Object does not have status "Completed" or "Completed/Errors".

    Shall we better try the restore instead of copy?

    Verify is still working, so far it did not change the objects status. We will see how it completes.

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