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Thread: Zimbra Full Backups Running Multiple Times a Week (and shouldn't be)

  1. #1
    Beerey is offline Junior Member
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    Default Zimbra Full Backups Running Multiple Times a Week (and shouldn't be)

    Hi guys,

    We're having a weird issue with Zimbra where multiple full backups are written to disk per week, where only one is scheduled. You'll notice below that although we've only scheduled a full backup to be run once per week, they are running multiple times, sometimes only an hour apart.

    (Using Release 6.0.12_GA_2883.RHEL5_64_20110305232032 RHEL5_64 NETWORK edition.)

    Is there anywhere else besides the crontab which can schedule a backup that I've missed? We've only noticed this behaviour since upgrading from 6.0.8.

    Our crontab looks like this

    # BACKUP BEGIN
    0 1 * * 6 /opt/zimbra/bin/zmbackup -f -a all
    0 * * * 0-5 /opt/zimbra/bin/zmbackup -i
    0 0 * * * /opt/zimbra/bin/zmbackup -del 1m
    # BACKUP END

    And the backup directory like this

    Jul 16 06:03 full-20110715.150006.397
    Jul 21 13:01 full-20110721.030100.598
    Jul 25 15:01 full-20110725.050109.555
    Jul 26 10:01 full-20110726.000119.629
    Jul 26 11:01 full-20110726.010112.780
    Jul 26 15:01 full-20110726.050100.034
    Jul 28 13:01 full-20110728.030107.084
    Jul 29 15:01 full-20110729.050116.630
    Jul 29 17:01 full-20110729.070126.768
    Jul 30 06:27 full-20110729.150006.884
    Aug 2 10:01 full-20110802.000106.856
    Aug 2 11:01 full-20110802.010117.624
    Aug 5 11:02 full-20110805.010202.453
    Aug 5 15:01 full-20110805.050139.774
    Aug 6 07:35 full-20110805.150007.589
    Aug 8 13:01 full-20110808.030107.909
    Aug 9 16:01 full-20110809.060114.570
    Aug 11 17:01 full-20110811.070108.460
    Aug 12 11:01 full-20110812.010140.104
    Aug 13 05:33 full-20110812.150006.547

    Any help will be appreciated!

  2. #2
    bdial's Avatar
    bdial is offline Moderator
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    are you adding new accounts? if you add a new account, a full backup is run the next time any backup is ran, even if it's scheduled for incremental only.

    the full should only contain a full backup of the new account though, not every account

  3. #3
    Beerey is offline Junior Member
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    Hi bdial,

    Yes we are adding new accounts, we generally add a fair number each week (although usually in batches which is why there aren't more full backups).

    Is this new functionality? Is there any way to turn it off, given that our disk space is fairly restricted at the moment?

    Thanks

  4. #4
    bdial's Avatar
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    no this is built into the functionality of the backup system for good reason. if you add an account on a tuesday, and you want to restore that account on thursday, if it doesn't have a full backup to work off of then it can't do anything wth the redologs

    if the accounts you add are starting fresh, i.e. you're not importing a ton of mail to the account, then the full backups you see midweek should be miniscule in size.

  5. #5
    Beerey is offline Junior Member
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    Hi bdial,

    Thanks very much for the quick answer. Happy to mark this thread as solved.

    Thanks

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