xtrabackup: error: log block numbers mismatch

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  • xtrabackup: error: log block numbers mismatch

    Running innobackupex I see the following in its output:

    xtrabackup: error: log block numbers mismatch:
    xtrabackup: error: expected log block no. 91292509, but got no. 90768229 from the log file.
    xtrabackup: Error: xtrabackup_copy_logfile() failed.

    innobackupex continues, but at the end I see this:

    innobackupex: xtrabackup_55 failed! (exit code 1) The backup may not be complete.

    Studying Bug #805593 I understood that one possible reason for this error message could be transaction log being wrapped around while xtrabackup works.

    Will much appretiate if you answer the following:
    1) Is it really transaction log wrapping issue?
    Is there a way to find out?
    2) If the above is true, how the backup logic should be build?
    Restart backup?
    Shall this go to FAQ/User Guide?
    3) Is it possible to delay log wrapping till xtrabackup ends?

    I'm using
    Ubuntu Natty 11.04(2.6.38-8-server #42-Ubuntu SMP Mon Apr 11 03:49:04 UTC 2011 x86_64 x86_64 x86_64 GNU/Linux)
    Percona Server 5.5.17-rel22.1

    Please let me know if you need any further details to investgate the issue.

    Thank you and best regards

  • #2
    You should file this as a bug on launchpad.