corrupted indexes rebuilding over and over

[Grubert, Gordon]

Hi,

we had the same problem after a system failure. Our problem could be
solved by

rm /PATH/USER/mdbox/storage/dovecot.map.index*
doveadm -D -v force-resync -u USER INBOX

Best regards,
Gordon

On 05.06.2017 18:34, micah wrote:
> 
> Hi,
> 
> On saturday one of our dovecot machines had an OOPS, and we had to
> powercycle it. When it came up, it did a filesystem fsck (ext4) and
> fixed a couple things, but nothing in lost+found.
> 
> Now, about 50 users have a problem where their indexes are
> corrupted. Dovecot tries to fix them, but for some reason it is
> failing. The users are seeing their mails duplicated and they cannot
> delete mails. I can see in the logs dovecot detecting this and trying to
> rebuild operations during delivery and imap login, but its repeating
> over and over and over. For one user, I've seen more than 4k lines in
> the logs about this.
> 
> If i try to do doveadm force-resync -u username INBOX
> 
> I get this:
> 
> doveadm(nuffsaid): Warning: mdbox /n/nuffsaid/mdbox/storage: Inconsistency in map index (3494,32332 != 3494,383536)
> doveadm(nuffsaid): Warning: fscking index file /srv/dovecot_indexes/n/nuffsaid/storage/dovecot.map.index
> doveadm(nuffsaid): Warning: mdbox /n/nuffsaid/mdbox/storage: rebuilding indexes
> doveadm(nuffsaid): Warning: fscking index file /srv/dovecot_indexes/n/nuffsaid/storage/dovecot.map.index
> doveadm(nuffsaid): Warning: mdbox /n/nuffsaid/mdbox/storage: Inconsistency in map index (3494,32332 != 3494,384024)
> doveadm(nuffsaid): Warning: fscking index file /srv/dovecot_indexes/n/nuffsaid/storage/dovecot.map.index
> 
> but then if i do it again, I get the same thing, over and over and
> over (the numbers change a little).
> 
> This is dovecot 2.2.27 with mdbox format.... what can I do to fix this?
> Its driving users mad, and they keep going over quota as their space
> fills.
> 
> thanks!
> micah
>