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Thread: Full backups seem too small, suspect a problem

  1. #1
    stevenjd is offline New Member
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    Default Full backups seem too small, suspect a problem

    We are managing a Zimbra installation where the full backups seem to be far too small for the size of the mailboxes.

    We know the mailboxes come to approximately 13GB in size, and up until a few weeks ago the full backups were the same. But the last two backups were much smaller:

    root@sbls:/opt/zimbra/backup# du -hs sessions/full*
    13G sessions/full-20100115.140006.303
    13G sessions/full-20100122.140006.195
    13G sessions/full-20100205.140005.795
    292K sessions/full-20100207.140021.351
    638M sessions/full-20100211.140024.884

    There are also a couple of full backups in the tmp directory:

    root@sbls:/opt/zimbra/backup# du -hs tmp/*
    4.1G tmp/full-20100129.140006.226
    2.8G tmp/full-20100212.140006.322
    12K tmp/restore

    Incremental backups seem normal -- the largest is about 53MB.

    On the 7th, we had Zimbra upgraded. You'll note that before the upgrade the full backups were 13GB in size, afterwards not.

    zmcontrol says we're running:

    Release 6.0.5_GA_2213.UBUNTU8_64 UBUNTU8_64 NETWORK edition.

    We are fairly new to Zimbra, and so any assistance in diagnosing and resolving this problem will be appreciated, thank you.

  2. #2
    veronica is offline Outstanding Member
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    Seeing backups in
    root@sbls:/opt/zimbra/backup# du -hs tmp/*
    means that backups failed starting 29th Jan. ( seems when you upgraded your server )

    292K sessions/full-20100207.140021.351
    638M sessions/full-20100211.140024.884

    These backups are backups of new users added to the system taken while incremental backup thread was run.

    Look at mailbox.log for 12th feb when backups failed for reason of failure.

  3. #3
    stevenjd is offline New Member
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    (Apologies if this is a duplicate, my previous replies seems to have disappeared into the aether.)

    Thanks for the help Veronica,

    Looking at mail.log for the 12th, I can see two WARN lines, but no obvious ERROR lines. The first WARN is this:

    2010-02-12 01:00:05,987 WARN [btpool0-840://localhost:7071/service/admin/soap/BackupRequest] [name=zimbra;ip=127.0.0.1;] backup - Error looking up last backup for ddb74c74-bcca-4b14-8a86-29847fd6cb57
    com.zimbra.cs.backup.BackupServiceException: backup full-20100208.235611.147 not found
    ExceptionId:btpool0-840://localhost:7071/service/admin/soap/BackupRequest:1265896805987:138c37794178ac9d
    Code:backup.NO_SUCH_BACKUP_LABEL
    at com.zimbra.cs.backup.BackupServiceException.NO_SUC H_BACKUP_LABEL(BackupServiceException.java:66)
    at com.zimbra.cs.backup.FileBackupTarget$FileBackupSe t.<init>(FileBackupTarget.java:779)
    at com.zimbra.cs.backup.FileBackupTarget.getBackupSet (FileBackupTarget.java:216)

    (I have truncated the stack trace for brevity), with the following one very similar. Nothing else looks like an obvious error -- everything else is an INFO line.

  4. #4
    veronica is offline Outstanding Member
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    This is just a warning. Can you try running manually full backup on command line and se what the error is ?

  5. #5
    stevenjd is offline New Member
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    Hi Veronica,

    We ran a manual full backup from the command line and it backed everything up successfully with no errors, so it looks like the problem went away on its own (for now at least).

  6. #6
    veronica is offline Outstanding Member
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    Well the issue seems to be with your account.xml file. The file was updated with old full backup label which somehow didnt complete.

    Best would be to delete all old backups before the ones you took manually.

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