mailbox migration/repair question

Joe Vieira jvieira at
Thu Feb 18 07:17:17 EST 2010

Does any one know which cyrus file contains this?  Can I copy it over 
without the others?


Andrew Morgan wrote:
> On Wed, 17 Feb 2010, Joe Vieira wrote:
>> Hi,
>> So, We have an imap volume (ext3) that doesn't seem to come back up 
>> clean after a few crashes.  fsck is a mess.  Shows clean; mount it; 30 
>> minutes later it's throwing errors and needs to be fsck'd again.  (any 
>> ideas about that i'd love to hear)
>> So I am considering in the interest of getting these students back using 
>> email, setting up a new volume, mount it as the same imap partition and 
>> creating "shell" mailboxes for all the users on it, basically an empty 
>> mailbox that I can let them log into, send and receive new mail, etc. 
>> I was thinking about doing this by making the simple directory structure 
>> for all the users then doing a reconstruct to make the cyrus.* files. 
>> The plan would then be to restore from backup (or the corrupt drive in 
>> read only). My concern however is that the UID of the messages will get 
>> duplicated.  Basically does this idea make ANY sense to you guys?  Will 
>> it work?  Other ideas?
> One of those cyrus.* files should contain the max UID - I can't remember 
> which.  If you can restore/copy that across, it should (I think) number 
> any new messages starting from there.  Then you can restore/copy the 
> original messages across later.
> I've never tried this before, so I may be getting it wrong.  Hopefully 
> someone with more in-depth knowledge of Cyrus can comment.
>  	Andy

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