Re: Restoring Mailboxes

From: Andrew Morgan (no email)
Date: Wed Apr 19 2006 - 12:27:21 EDT

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    On Wed, 19 Apr 2006, Dr. Harry Knitter wrote:

    > Am Mittwoch, 19. April 2006 15:27 schrieb :
    >>> Hello,
    >>>
    >>> we have a problem to restore Cyrus mailboxes from an installation of SuSE
    >>> 9.2
    >>> which we want to transfer do a SuSE 10.0 installation.
    >>> We have backuped the directories /var/lib/imap and /var/spool/imap and
    >>> copied
    >>> them to the new installation.
    >>> after restarting Cyrus syslog was flooded with messages
    >>>
    >>> <snip>
    >>>
    >>
    >> Seems you have a mismatch in version numbers between your old Berkeley DB4
    >> installation and your new installation. The problem is that your old .db
    >> files (in db4.xx) is not compatible with your new Berkeley installation.
    >>
    >> Albeit "cumbersome" you can fix it if you still have the old server
    >> available where you need to run cvt_cyrusdb on each file being stored in
    >> Berkeley database format. The easiest way to find those files is probably
    >> just to run a
    >>
    >> find /var/lib/imap |xargs file|grep -i berkeley
    >>
    >> And then manually convert those files to flat format doing:
    >>
    >> cvt_cyrusdb /your/berkeley_db4.db berkeley /your/berkeley_flatfile flat
    >>
    >> Then copy the files to your new installation and covert them back to
    >> Berkeley with your new berkeley db4 format (cumbersome but needed step)
    >>
    >>
    >> Good luck,
    >> Best regards,
    >> Jesper K. Pedersen
    >
    > Doesn´t sound very good.
    > The old server does not exist anymore.
    > On the other side I have a server that was upgraded and seems to use the old
    > file format. How can I find out what version of Berkeley DB this cyrus is
    > using?
    > Or are there any tools to do this without cyrus?

    You could also try deleting the files in the configdirectory/db/ directory
    (make a copy to be safe). Those are the transaction logs, etc, for
    BerkeleyDB and skiplist. They should be safe to delete because the actual
    information is in the mailboxes.db file.

             Andy

    ----
    Cyrus Home Page: http://asg.web.cmu.edu/cyrus
    Cyrus Wiki/FAQ: http://cyruswiki.andrew.cmu.edu
    List Archives/Info: http://asg.web.cmu.edu/cyrus/mailing-list.html
    

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