Concerned WAS RE: recovering from mailbox.db corruption cyrus 2_2

[Thiago Lima]

	I'm a little new to Cyrus IMAP, and I'm trying to improve my
skills in it. 

	Now with that thread I became a little afraid. I'm going to use
cyrus as a backend pop3/imap server for thousands of users, and I cannot
affort that the db file could get corrupted and can't be recovered. 

	In the cyrus website we see that "The private mailbox database
design gives the server large advantages in efficiency, scalability, and
administratability. Multiple concurrent read/write connections to the
same mailbox are permitted. The server supports access control lists on
mailboxes and storage quotas on mailbox hierarchies" but I couldn't find
docs about how this format really is. 

	I would feel more confortable if I knew how things work inside
cyrus, and in case of any trouble what I will have to do.

	There's any good documentation about this? Maybe the IMAP book
from ORA?

thanks
Thiago lima.

	

-----Original Message-----
From: owner-info-cyrus at lists.andrew.cmu.edu
[mailto:owner-info-cyrus at lists.andrew.cmu.edu] On Behalf Of Robert
Scussel
Sent: Monday, April 07, 2003 2:33 PM
To: Edward Zarecor
Cc: info-cyrus at lists.andrew.cmu.edu
Subject: Re: recovering from mailbox.db corruption cyrus 2_2


I hope that you have a flat text version as a backup.

If you don't you can try to dump the mailbox file, mv the old mailbox.db

file out of the way, and then reimport the mailbox file.  Then run a 
reconstruct to make sure that everything is correct.

Hope this helps,
B


Edward Zarecor wrote:
> Anyone know of a way to recover a mailbox.db under 2_2.
> recover -m is apparently not yet implemented and I've unfortunately
got 
> a corrupted mailbox file after a crash.
> 
> 
> What I'm seeing in the logs:
> 
> 
> 
> Apr  7 12:54:02 rainman imapd[21055]: DBERROR db4:
> /var/imap/mailboxes.db: unexpected file type or format
> 
> Apr  7 12:54:02 rainman imapd[21055]: DBERROR: opening
> /var/imap/mailboxes.db: Invalid argument
> 
> Apr  7 12:54:02 rainman imapd[21055]: DBERROR: opening
> /var/imap/mailboxes.db: cyrusdb error
> 
> Apr  7 12:54:02 rainman imapd[21055]: Fatal error: can't read 
> mailboxes
> file
> 
> Apr  7 12:54:02 rainman imapd[21055]: DBERROR db4: Database handles 
> open
> during
> 
> environment close
> 
> Apr  7 12:54:02 rainman imapd[21055]: DBERROR: error exiting
> application: Invalid argument
> 
> Apr  7 12:54:02 rainman imapd[21055]: DBERROR: error exiting
> application: cyrusdb error
> 
> 
> 
> Any help would be appreciated.
> 
> 
> 
> Thanks.
> 
> 
> 
> Ed.
> 
> 



-- 
Robert Scussel
1024D/BAF70959/0036 B19E 86CE 181D 0912  5FCC 92D8 1EA1 BAF7 0959