On 2024-02-10 2:24 a.m., Timo Sirainen wrote:
On 12. Jan 2024, at 9.37, John Alex. via dovecot
<dovecot@dovecot.org> wrote:
since I upgraded dovecot to version 2.3.21 on a FreeBSD
13.2 system, I've been seeing a few occurences of the
following warnings daily:
Jan 11 13:13:25 dimokritos dovecot[33170]: lmtp
(user1)<8209><SId/BlXNn2URIAAA+iYuTQ:T2>: Warning: mdbox /
var/vmail/users/user1/mdbox/storage: Inconsistency in map
index (5,40 != 5,56)
Jan 11 13:13:25 dimokritos dovecot[33170]: lmtp
(user1)<8209><SId/BlXNn2URIAAA+iYuTQ:T2>: Warning: fscking
index file /var/vmail/users/user1/mdbox/storage/
dovecot.map.index
Jan 11 13:13:25 dimokritos dovecot[33170]: lmtp
(user1)<8209><SId/BlXNn2URIAAA+iYuTQ:T2>: Warning: mdbox /
var/vmail/users/user1/mdbox/storage: rebuilding indexes
Jan 11 13:13:26 dimokritos dovecot[33170]: lmtp
(user1)<8209><SId/BlXNn2URIAAA+iYuTQ:T2>: Warning: fscking
index file /var/vmail/users/user1/mdbox/storage/
dovecot.map.index
Hmm. I can't seem to be able to reproduce it easily at least. Looking
at the code changes, I do see now that there is one related change
that may be wrong, or at least the commit message is wrong: https://
github.com/dovecot/core/commit/
aae93d3ea73004ba1883bbf91c9e40f613ffc857 - although it shouldn't
affect anything unless there are already some other errors. But maybe
there's something I don't see right now. Can you try if the errors go
away by reverting this change?
We are getting the same warnings on 2 separate test servers; one with local ZFS
storage, the other one with NFS storage (single server, data not shared with
any other servers).
We are imapsync'ing a few hundred user accounts from the production server so
there is a lot of emails transfer a day. The warnings occur at random times and
with random users.
I reinstalled 2.3.21 from source (originally was using Dovecot repo packages)
and tested by reverting that commit. The warnings continued.
Next I tried with Dovecot 2.3.20 and still got the same warnings after a while.
# 2.3.20 (80a5ac675d): /usr/local/etc/dovecot/dovecot.conf
# Pigeonhole version 0.5.20 (149edcf2)
# OS: Linux 5.4.0-171-generic x86_64 Ubuntu 20.04.6 LTS nfs4
Feb 13 15:38:25 dovecot: imap-login: Login: user=<username>, method=PLAIN,
rip=127.0.0.1, lip=127.0.0.1, mpid=272469, TLS, session=<t+48YEkRrrN/AAAB>
Feb 13 15:38:27 dovecot: imap(username)<272469><t+48YEkRrrN/AAAB>: Warning:
mdbox /mail/spool/username/storage: Inconsistency in map index (3,40 != 3,56)
Feb 13 15:38:27 dovecot: imap(username)<272469><t+48YEkRrrN/AAAB>: Warning:
fscking index file /mail/spool/username/storage/dovecot.map.index
Feb 13 15:38:27 dovecot: imap(username)<272469><t+48YEkRrrN/AAAB>: Warning:
mdbox /mail/spool/username/storage: rebuilding indexes
Feb 13 15:38:29 dovecot: imap(username)<272469><t+48YEkRrrN/AAAB>: Error:
Mailbox INBOX: /mail/spool/username/mailboxes/INBOX/dbox-Mails/dovecot.index
reset, view is now inconsistent
Feb 13 15:38:29 dovecot: imap(username)<272469><t+48YEkRrrN/AAAB>: Warning:
fscking index file /mail/spool/username/storage/dovecot.map.index
I will try with an even older version to continue testing...
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