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[HOWTO] Looking for a way to test

Discussion in 'Backup / Archive Discussion' started by DanGiles, Jun 23, 2017.

  1. DanGiles

    DanGiles ADSM.ORG Senior Member

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    I need to run a test and cannot figure out how to do it, if it is possible.

    I have some archives that are currently sent to tape. I need to get some hard numbers as to how well this data would deduplicate if brought into a deduplicated/replicated storage pool. Ideally, I would like to make a COPY of the current archived data, under a new node name and new domain/management class, but I can't figure out any way of doing this :(

    All I can think of is to rename the node, put it in a new domain (which points to the container pool), export it, reset the original name/domain, then import the renamed node which should get placed into the container pool. I would have to make sure that no backups/archives are attempted during this process. I also don't like the potential impact on node replication of the backup data doing this.

    Any better ideas?
     
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  3. marclant

    marclant ADSM.ORG Moderator

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    Just lock the node during that process.
     
  4. DanGiles

    DanGiles ADSM.ORG Senior Member

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    These are production nodes, so we that's not a desirable option, but I will bring it up with management.
     
  5. marclant

    marclant ADSM.ORG Moderator

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    Create test nodes, do a few archives, test your procedure.
     
  6. marclant

    marclant ADSM.ORG Moderator

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    Oh, you can't import node data into a container pool. You can only add data in a container pool by doing backups and/or archives, or also by doing replication.

    So if you want to see how well it dedups, just replicate that node to another server where the destination pool is a container pool and you can check the dedupstats on the target server for that node.
     
  7. DanGiles

    DanGiles ADSM.ORG Senior Member

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    Very elegant solution!
     
  8. DanGiles

    DanGiles ADSM.ORG Senior Member

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    Yeah, that doesn't work, as it keeps the same class information and gets loaded to the archive pool (tape) on the remote server :(
     
  9. DanGiles

    DanGiles ADSM.ORG Senior Member

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    So what I am going to do is retrieve the existing data then re-archive them under a different node name and management class.
     
  10. marclant

    marclant ADSM.ORG Moderator

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    You would have to edit the management classes on the target server to point to a different storage pool.
     

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