Re: restore from cyrdump

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On Wed, Dec 10, 2014, at 02:03 AM, Willy Offermans wrote:
> Hello Cyrus Friends,
> 
> On Sun, Dec 07, 2014 at 01:01:52PM +0100, Willy Offermans wrote:
> > Dear Cyrus friends,
> > 
> > I want to simulate a possible crash of the company's mail server.
> > At the moment the server works smoothly, but you never know... It is best
> > to be prepared for it and to have possibilities to restore critical data.
> > E-mail info was appointed to be one of the critical data.
> > 
> > So I picked one user and cyrdump his data into a file.
> > 
> > ``cyrdump -v user.$USER > /tmp/$USER.dump''
> > 
> > If I make a quick scan of the file, it looks like a dump of mails of the
> > user. Moreover, there is flag info per mail subfolder. There is info about 
> > subfolders and there is info about the mail IDs in each subfolder.
> > Summarized, there is all the info needed to reconstruct the user's
> > mailfolder and mails.
> > 
> > I created the mailbox lists
> > 
> > su - cyrus -c "ctl_mboxlist -d" > /tmp/mailboxes.txt
> > 
> > Now I want to restore the data of user.$USER on a different server.
> > 
> > How should I proceed? I might write a script to reconstruct the data from
> > the $USER.dump file, but I guess there is already a tool to do so. However
> > I'm not aware of such tool and moreover I cannot find any info on
> > http://www.cyrusimap.org/ concerning this. Can someone help me out?
> > 
> > To my opinion, the restore procedure should be well documented.
> > 
> > -- 
> 
> Is there nobody with a good suggestion?

Not really.  Most people seem to be using LVM snapshots.  We have a custom backup thing at FastMail.  Building a better backup/restore for Cyrus has been on my todo list for a long time, but I keep not getting time to work on it :(

Bron.

-- 
  Bron Gondwana
  brong@xxxxxxxxxxx
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