Hi,
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
The numbers in parentheses seem to always be of the format (x,40 != x,56) or
(x,40 != x,72).
I also get such errors on some users when purging (doveadm-purge fails with
error 75):
doveadm(user2): Warning: mdbox /var/vmail/users/user2/mdbox/storage: Inconsistency in map
index (5,40 != 5,72)
doveadm(user2): Warning: fscking index file
/var/vmail/users/user2/mdbox/storage/dovecot.map.index
doveadm(user2): Warning: mdbox /var/vmail/users/user2/mdbox/storage: rebuilding
indexes
doveadm(user2): Error: Purging namespace '' failed: BUG: Unknown internal error
If I rerun doveadm purge for this user it completes successfully.
Can anyone shed some light on what might be causing these messages? I didn't have these
with 2.3.20. Should I be worried about data loss due to these index inconsistencies?
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