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When to run --prepare

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  • When to run --prepare

    Can anyone give me some more info on when to run --prepare?

    Can you run --prepare on another machine (after you transferred a tarred/gzipped backup)? I've done this both locally and remote and it seems to work, but clarification would be great.

    Also, is it safe to run --prepare and still run an incremental backup on the prepared data or must you keep the data unprepared until you restore and roll forward all the incremental backups?

  • #2
    Yes, it can be done remotely. You can do a --prepare and then do incrementals afterwards, but you need to do --apply-log-only in that case. References:

    http://www.percona.com/docs/wiki/percona-xtrabackup:xtraback uprepare (I'm updating this to help answer this question for others)
    http://www.percona.com/docs/wiki/percona-xtrabackup:xtraback up:incremental#preparing_the_backups

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