On 29 Feb 2016, at 23:31, Ricardo Machini Barbosa <ricardomachini@gmail.com> wrote:
Hello,
I was performing doveadm altmove for one account while this mailbox was being accessed.
Dovecot version: 2.2.21
Mailbox format: mdbox
Command:
doveadm altmove -u user1@domain.com.br before 360d
Was it the first time you ran it for this user?
This command took about 5 minutes to finish and during the execution I found some log messages:
Feb 25 19:57:51 dovecot: imap(user1@domain.com.br): Error: mdbox map /var/mail/user1/mdbox/storage/dovecot.map.index corrupted: Unexpectedly lost INBOX uid=77 map_uid=76
It's not necessarily the altmove that broke this. It could have just noticed this existing problem.
After that these messages moved to alternate storage disappeared from the mailbox/IMAP but these files were all on alternative storage.
I had to execute doveadm force-resync -u user1@domain.com.br INBOX to recovery this mailbox, but losing all e-mail's flags.
This again shouldn't happen..
I should do some kind of lock before running the command altmove ?
No. I attempted to reproduce this with some stress testing, but wasn't able to.