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hmontero's avatar
hmontero
Level 5
13 years ago
Solved

Grabar datos en una sola cinta del pool

Tengo un pool de 10 cintas. Cuando realizo un backup, el BE graba en varias de las cintas del pool.

Quise hacer un restore y me apareció el siguiente error:

Realicé un inventario (OK)

Traté de realizar un catálogo de la cinta que contenía la base que necesitaba restaurar y teminó con el siguiente error.

El respaldo estaba distribuido en 3 cintas.

Estuve buscando info en el foro y decía que una de las partes de backup, en una de las cintas podría haber sido sobreescrito por otro job.

Es así ??? Hay forma de hacer que BE grabe todo en una misma cinta???  Como se soluciona que las partes del backup no sean sobreescritas???

2010
Backing Up
Backup and Recovery
Backup Exec
Configuring
Error messages
Restore
Troubleshooting
  • Ken_Putnam's avatar
    Ken_Putnam
    13 years ago

    How can i do to avoid this???

     

    You control this by setting the OPP (Overwrite Protection Period) for the media set that each backup writes to (each tape can belong to only one media set, BTW).    OPP is set at the end of each job, so if you append data, then the OPP is extended to when the Append job finishes

     

    If you want to keep Dailies for one week (and run a job each night)  then create a Media set called Daily, with an OPP of 6 days (to account for any job that finishes after midnight), and point the Daily job to that media set

    If you want to keep Weeklies for a Month, set the OPP to 34 days (five weeks minus one day)

    Etc  

12 Replies

  • pkh's avatar
    pkh
    Moderator
    13 years ago

    Go to Tools ---> Options ---> Catalog and uncheck the following

    1) Request media in sequence

    2) Use storage media-based catalogs

    and try your cataloging again.

  • hmontero's avatar
    hmontero
    Level 5
    13 years ago

    Thanks,the catalog ended fine!!!

    But i cannot restore data...8(

    Is there a way to BE save all the data backed up in the same tape y not spanned in pieces in many tapes ???

    Is risky this way to save data.

    I have a pool of 10 tapes and i lost data due this behavior.

  • pkh's avatar
    pkh
    Moderator
    13 years ago

    If the size of your backups fit into one tape, then specify overwrite for your jobs.  This will cause BE to write from the front of the tape and thus reduced the need to span to other tapes.

  • hmontero's avatar
    hmontero
    Level 5
    13 years ago

    I have a pool made of 10 tapes.

    The size of the backup fit into one tape but BE span in multiple tapes.

    I cannot set overwrite.

    I can append but not overwrite due policies in my company.

  • Ken_Putnam's avatar
    Ken_Putnam
    Level 6
    13 years ago

    I can append but not overwrite due policies in my company.

    Sooner or later you will HAVE to overwrite.  All tapes in an "Append Famliy" share the same OPP, and this is reset each time an append job finishes

    Normally, you do a FULL periodically (say on the weekend) and then APPEND through the rest of the period, using a new/deiiferent tape each week

  • hmontero's avatar
    hmontero
    Level 5
    13 years ago

    Yes, i know that.

    The fact is that some pieces of a spanned backup was overwritten by other job.

    The job overwritten was just 1 week old.

    I never know when a piece of a spanned backup can be overwritten and lost data.

    I tried to restore a database and i cannot do it because a  piece was overwrriten.

    This way to do things is not confident for me.

    How can i do to avoid this???

  • Ken_Putnam's avatar
    Ken_Putnam
    Level 6
    13 years ago

    How can i do to avoid this???

     

    You control this by setting the OPP (Overwrite Protection Period) for the media set that each backup writes to (each tape can belong to only one media set, BTW).    OPP is set at the end of each job, so if you append data, then the OPP is extended to when the Append job finishes

     

    If you want to keep Dailies for one week (and run a job each night)  then create a Media set called Daily, with an OPP of 6 days (to account for any job that finishes after midnight), and point the Daily job to that media set

    If you want to keep Weeklies for a Month, set the OPP to 34 days (five weeks minus one day)

    Etc  

  • Ken_Putnam's avatar
    Ken_Putnam
    Level 6
    13 years ago

    Forgot to add that from Tools\Options\Media Management you need to set the overwrite protection to either FULL or PARTIAL