mail delivery interrupts force-resync
8 Jan
2018
8 Jan
'18
7:44 p.m.
Hi all,
We have recently had some power failures have led to corrupt mdbox instances.
Dovecot’s fsck appears to get caught in a loop when the recipient has a large amount of mail. In the example log output below, each “rebuilding indexes” seems to be interrupted by a new IMAP connection.
Later, when our folks realized the issue and blocked access to the mailbox, the index rebuild finished in about 90 seconds.
Is it possible for the fsck to “lock” the mailbox or otherwise protect against this?
Thank you!-Felipe Gasper
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Jan 2 13:15:13 mx1.cpanel.net dovecot: imap(kenp@cpanel.net): Logged out in=1657, out=9420, bytes=1657/9420 Jan 2 13:15:13 mx1.cpanel.net dovecot: lmtp(aaron.stone@cpanel.net): Warning: fscking index file /home/cpmailuser/mail/cpanel.net/aaron.stone/storage/dovecot.map.index Jan 2 13:15:13 mx1.cpanel.net dovecot: lmtp(aaron.stone@cpanel.net): Warning: fscking index file /home/cpmailuser/mail/cpanel.net/aaron.stone/storage/dovecot.map.index Jan 2 13:15:13 mx1.cpanel.net dovecot: lmtp(aaron.stone@cpanel.net): Warning: fscking index file /home/cpmailuser/mail/cpanel.net/aaron.stone/storage/dovecot.map.index Jan 2 13:15:13 mx1.cpanel.net dovecot: lmtp(aaron.stone@cpanel.net): Warning: mdbox /home/cpmailuser/mail/cpanel.net/aaron.stone/storage: rebuilding indexes
Jan 2 13:15:18 mx1.cpanel.net dovecot: imap(a.lateef@cpanel.net): Connection closed (LIST finished 0.121 secs ago) in=56, out=1805, bytes=56/1805 Jan 2 13:15:18 mx1.cpanel.net dovecot: lmtp(aaron.stone@cpanel.net): Warning: fscking index file /home/cpmailuser/mail/cpanel.net/aaron.stone/storage/dovecot.map.index Jan 2 13:15:18 mx1.cpanel.net dovecot: lmtp(aaron.stone@cpanel.net): Warning: mdbox /home/cpmailuser/mail/cpanel.net/aaron.stone/storage: rebuilding indexes
Jan 2 13:15:23 mx1.cpanel.net dovecot: imap(w.little@cpanel.net): Connection closed (UID FETCH finished 0.098 secs ago) in=151, out=1903, bytes=151/1903 Jan 2 13:15:24 mx1.cpanel.net dovecot: lmtp(aaron.stone@cpanel.net): Warning: fscking index file /home/cpmailuser/mail/cpanel.net/aaron.stone/storage/dovecot.map.index Jan 2 13:15:24 mx1.cpanel.net dovecot: lmtp(aaron.stone@cpanel.net): msgid=20180102142708.383C9C2042D@hou-1.auth.dns.prod.cpanel.net: saved mail to INBOX Jan 2 13:15:24 mx1.cpanel.net dovecot: lmtp(aaron.stone@cpanel.net): Warning: fscking index file /home/cpmailuser/mail/cpanel.net/aaron.stone/storage/dovecot.map.index Jan 2 13:15:24 mx1.cpanel.net dovecot: lmtp(aaron.stone@cpanel.net): Warning: mdbox /home/cpmailuser/mail/cpanel.net/aaron.stone/storage: rebuilding indexes
Jan 2 13:15:26 mx1.cpanel.net dovecot: imap(rochelemagne@cpanel.net): Logged out in=38, out=535, bytes=38/535 Jan 2 13:15:28 mx1.cpanel.net dovecot: lmtp(aaron.stone@cpanel.net): Warning: fscking index file /home/cpmailuser/mail/cpanel.net/aaron.stone/storage/dovecot.map.index Jan 2 13:15:28 mx1.cpanel.net dovecot: lmtp(aaron.stone@cpanel.net): Warning: mdbox /home/cpmailuser/mail/cpanel.net/aaron.stone/storage: rebuilding indexes
Jan 2 13:15:32 mx1.cpanel.net dovecot: imap-login: Login: user=l.patterson@cpanel.net, method=PLAIN, rip=208.74.121.106, lip=208.74.121.68, mpid=30642, TLS, session=
Jan 2 13:15:40 mx1.cpanel.net dovecot: imap(michael.karr@cpanel.net): Logged out in=38, out=535, bytes=38/535 Jan 2 13:15:40 mx1.cpanel.net dovecot: lmtp(aaron.stone@cpanel.net): Warning: fscking index file /home/cpmailuser/mail/cpanel.net/aaron.stone/storage/dovecot.map.index Jan 2 13:15:40 mx1.cpanel.net dovecot: lmtp(aaron.stone@cpanel.net): Warning: mdbox /home/cpmailuser/mail/cpanel.net/aaron.stone/storage: rebuilding indexes
Jan 2 13:15:44 mx1.cpanel.net dovecot: imap-login: Disconnected (auth failed, 2 attempts in 44 secs): user=test@cpanel.net, method=PLAIN, rip=189.4.115.5, lip=208.74.121.68, TLS, session=
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Felipe Gasper