Re: Migration from cyrus 3.4.3 to 3.6.0~beta2-1 failed

I think this may have happened to us also.

We are running Debian/Postfix/Cyrus on 14 servers and just updated to 
3.6.0~beta2-1+b1.

During the update process, 3 of the 14 servers reported a segfault 
during the update. After the apt process was finished I was able to 
restart cyrus without any problem.

This morning we are beginning to see postfix LMTP bounces from the 3 
servers that had the segfault to addresses that we have confirmed with 
do exist.

Postfix LMTP error
--------------------
550-Mailbox unknown.  Either there is no mailbox associated with this 
550-name or you do not have authorization to see it. 550 5.1.1 User 
unknown (in reply to RCPT TO command))

Confirmation mailbox exists
------------------------------
cyradm -user cyrus localhost
Password:
localhost.ironicdesign.com> lm
user/[email protected] (\HasNoChildren)
...

Not sure how to confirm that the grandkids mailbox is in uuid except I 
would assume that cyradm is searching the uuid storage space.

Any thoughts on how to try recovering the mail for these addresses?

Thanks

Andy Dorman

On 3/20/22 02:53, [email protected] wrote:
> Hello,
> Using debian bookworm, the cyrus-imapd was updated from 3.4.3 to 
> 3.6.0~beta2-1 this Friday. There was no warning about any migration or 
> post check to perform before applying the updated packages.
> The update procedure didn't went well but I didn't realized it.
> |process type:START name:recover path:/usr/sbin/cyrus age:0.000s 
> pid:678146 signaled to death by signal 11 (Segmentation fault)|
> 
> I restarted cyrus via systemctl and saw that I couldn't access to mail,
> despite the fact that all the mails are still in the usual (legacy?) 
> /var/spool/cyrus/mail/f/fuser.
> I also saw that a new user was created under uuid folder and this user 
> is receiving my new mails.
> I tried to downgrade to previous version but cyrus couldn't find my 
> legacy user's mailbox.
> I reinstalled the beta2 and checked on your website. I tried to perfrom 
> the relocate_by_id command but I could not find it in any debian packages.
> 
> I copied all mails from my /var/spool/cyrus/mail/f/fuser to the uuid 
> folder and performed several reconstruct commands.
> 
> I managed to get my mails back under the user with uuid but all the 
> sublfolders failed to reconstruct (segmentation fault)
> 
> |cyrus/reconstruct[54080]: IOERROR: lock failed: 
> mailbox=<user.fuser.myfolder> error=<Invalid mailbox name> syserror=<No 
> such file or directory> func=<mailbox_open_advanced>|
> 
> and, yes, fuser.myfolder exists under /var/spool/cyrus/mail/uuid/
> 
> Could you help me recover my subfolders and I suppose my sieve, 
> addresbooks and calendars?
> I still have the backup of /var/spool/cyrus and /var/spool/sieve I have 
> made after the restart due to initial segmentation fault (which means 
> update process was started)
> 
> Thank you so much in advance for your help.
> 
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