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Is it possible to move offsite some Backup Primary Pool tapes?

Discussion in 'Tape / Media Library' started by tivolimistery, Mar 13, 2017.

  1. tivolimistery

    tivolimistery ADSM.ORG Member

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    Dear All,

    in order to increase the data availability level of our migrated data (using HSM), we executed a preventive backup of the same data (using TSM Backup). Right now, our tape library is almost full and I think that we have to move offsite some tapes. My question is: can I move offsite all the backup tapes (related to the backup primary pool) in order to free up a great number of tape library slots?

    In the past, I have already done the offsite of tapes contained in a copygroup, but I have some doubt with the backup primary pool.

    My TSM server version is very old (v.5.5.6)

    Thank you in advance.
    Regards,
    Mauro
     
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  3. marclant

    marclant ADSM.ORG Moderator

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    Yes you can move the tapes outside the library. Use the MOVE MEDIA command. For syntax, use HELP MOVE MEDIA.
     
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  4. tivolimistery

    tivolimistery ADSM.ORG Member

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    Thank you very much for the answer, Marclant. So, if I understand, I can move backup tapes offsite using MOVE MEDIA. Two last questions: in the past I used checkout libvolume command. What is the difference between the two commands? If I use MOVE MEDIA command to extract the full cartridges from tape library which command should I use to reinsert them without losing data (checkin libvolume)? Thank you again.
     
  5. marclant

    marclant ADSM.ORG Moderator

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    If you use checkout, TSM doesn't track the the volume is stored elsewhere, just that it`s outside the library.
    source: HELP MOVE MEDIA

    Yes, you use checkin libvolume to check them back in.
     
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  6. tivolimistery

    tivolimistery ADSM.ORG Member

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    Thank you very much for your help and patience. I executed a test using the following instructions:

    update stgp TAPEBCK ovflocation="TAPEBCK VAULT"

    move media * stgp=TAPEBCK wherestatus=full remove=bulk cmd="checkin libvol TS3500-BCK &vol status=private" cmdfilename="/tmp/checkin_private_offsite_tapes"

    query media * stg=* whereovflocation="TAPEBCK VAULT"

    Everything seems to be ok. So, in my case, I extract some full tapes using the tape library I/O station. "TAPEBCK VAULT" overflow location is not a real "repository" inside the tape library, but a simply "TAG" that could be usefull in order to detect and trace the "position" fo the tape outside the library, right?

    Have a great day.
    Regards,
    Mauro
     
  7. marclant

    marclant ADSM.ORG Moderator

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    Right.
     
  8. tivolimistery

    tivolimistery ADSM.ORG Member

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    The last question, I promise :)
    As I said previously, I backup all files before migrate them to the tape library using HSM. If an HSM tape will become "unavailable" for some reason how I could detect the tape (moved offsite and belonging to the backup storage pool) containing the backup copy of the files? Thank you in advance.
     
  9. marclant

    marclant ADSM.ORG Moderator

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    You will have to try to restore the missing file. The tape will not be in the library so the restore will fail. Check the activity log to see which tape was requested. Then checkin that tape and retry the restore.
     

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