Automating the backup process
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Thread: Automating the backup process

  1. #1
    MKC
    MKC is offline
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    Join Date
    Aug 2011
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    2

    Automating the backup process

    Hello everyone!

    I would like to make sure that I have understood correctly how ZeXtras Backup works before trying it out. What I'm trying to do is make snapshots of my backups regularly, and send them to a remote location.

    If the real-time scan is activated, the backup data is updated every time something happens, right? Then, all I have to do next is make a tarball of "/opt/zimbra/backup/zextras/" and upload it?

    Thanks in advance!

  2. #2
    Wise Guy Participant
    Join Date
    Apr 2011
    Posts
    34
    Hello MKC, and welcome to our community.

    Your understanding of the backup process with ZeXtras Backup is spot-on, and you definitely can just make a tarball and upload it at any time.

    Only a couple of considerations: since the backup procedure operates in real-time, and building a tarball out of, most likely, several tens of gigabytes of data is a lenghty process, you might find that the tarball will likely contain a very minute percentage of data archived after the related metadata directory has, being mail items created/altered AFTER you started building the tarball.
    In other words, you have the certainty that importing the contents of your tarball will bring back the contents of the accounts as they were at the time you BEGUN tarring the backup directory, NOT as they were when you FINISHED making the tarball.

    The same consideration goes for any transfer/archiving procedure you might choose.

    However, using rsync to transfer the bulk of the data, and afterwards making a quick sync to transfer the relatively few differences intervened in the meantime might simplify this, on top of being far more efficient, after the first run, than uploading a tarball.
    If you wish for a cleverer remote full/incremental backup, allowing for point-in-time snapshots to be extracted, you might consider the following alternatives, built upon either librsync or rsync itself: rsnapshot, duplicity or rdiff-backup.
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  3. #3
    MKC
    MKC is offline
    Junior Member
    Join Date
    Aug 2011
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    2
    Hello, and thank you for your kind answer.

    I was going to answer that any incremental solution wouldn't cut it for me, since I need to encrypt the data, but it seems like duplicity actually does with GPG, which is exactly what I planned on doing.
    This is just great.

    Thank you for the pointer!

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