Disaster Recovery & Single Message Restore

[Ken Murchison]

Doug Koobs wrote:

> Ken,
> 
> Thanks for the info.
>  
> 
>>If the contents of the mailstore is static when you do the 
>>backup/restore, then reconstruct *shouldn't* be necessary.
> 
> 
> OK, how about this. I'll try it first without running reconstruct. If there
> are problems, then I'll shut down cyrus-imapd and run reconstruct on just
> the mailboxes that have problems. Sound good?

Yes.


>>You can 
>>simply restore 
>>the deleted messages directly into the mailbox from which 
>>they came and 
>>then reconstruct the mailbox to get them added to cyrus.index and 
>>cyrus.cache.
> 
> 
> That does sound easier, but how do you know which message is the one the
> user wanted? By the timestamp?

If you're looking for a single message, it can be tough.  If you know 
when they deleted the message you can just roll back to a particular 
time and restore all messages before that timestamp.  For undeleted 
messages, you're just overwriting the file with an exact duplicate.

-- 
Kenneth Murchison     Oceana Matrix Ltd.
Software Engineer     21 Princeton Place
716-662-8973 x26      Orchard Park, NY 14127
--PGP Public Key--    http://www.oceana.com/~ken/ksm.pgp
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