[Dovecot] Seeing "Corrupted transaction log file" error messages.

[Stewart Dean]

These may be happening to people with big (250MB) mbox folders

Stewart Dean wrote:
> In V1.1.15 that I fell back to.  Again:
>
> # 1.1.15: /usr/local/etc/dovecot.conf
> # OS: AIX 3 0001378F4C00  listen: *:143
> ssl_listen: *:993
> disable_plaintext_auth: no
> verbose_ssl: yes
> login_dir: /var/run/dovecot/login
> login_executable: /usr/local/libexec/dovecot/imap-login
> login_processes_count: 12
> login_max_processes_count: 774
> max_mail_processes: 1024
> verbose_proctitle: yes
> first_valid_uid: 200
> mail_location: mbox:~/mail:INBOX=/var/spool/mail/%u:INDEX=/var/dcindx/%u
> mbox_write_locks: fcntl
> mbox_dirty_syncs: no
> auth default:
>  passdb:
>    driver: pam
>  userdb:
>    driver: passwd
>
> This is happening during peak load; the error msgs I'm seeing look like:
>
> Nov  5 15:01:47 mercury mail:err|error dovecot: IMAP(olson): Corrupted 
> transaction log file /var/dci
> ndx/olson/.imap/INBOX/dovecot.index.log seq 742: file_seq=742, 
> min_file_offset (24) < hdr_size (40) (sync_offset=24)
> Nov  5 15:04:13 mercury mail:err|error dovecot: IMAP(herchenr): 
> Corrupted transaction log file /var/
> dcindx/herchenr/.imap/INBOX/dovecot.index.log seq 357: file_seq=357, 
> min_file_offset (24) < hdr_size
> (40) (sync_offset=24)
> Nov  5 15:04:13 mercury mail:info dovecot: IMAP(herchenr): 
> Disconnected: Internal error occurred. Re
> fer to server log for more information. [2009-11-05 15:04:13] 
> bytes=1314/18024
> Nov  5 15:04:33 mercury mail:err|error dovecot: IMAP(olson): 
> Transaction log file /var/dcindx/olson/
> .imap/INBOX/dovecot.index.log: marked corrupted
> Nov  5 15:06:17 mercury mail:err|error dovecot: IMAP(olson): Corrupted 
> transaction log file /var/dci
> ndx/olson/.imap/INBOX/dovecot.index.log seq 742: file_seq=742, 
> min_file_offset (24) < hdr_size (40) (sync_offset=24)
> Nov  5 15:06:17 mercury mail:err|error dovecot: IMAP(olson): 
> Transaction log got desynced for index 
> /var/dcindx/olson/.imap/INBOX/dovecot.index
>
> Is worrisome or inconsequential?  About 40 such messages in 30 
> minutes, mostly clumped together

-- 
==== Once upon a time, the Internet was a friendly, 
neighbors-helping-neighbors small town, and no one locked their doors. 
Now it's like an apartment in Bed-Stuy: you need three heavy duty 
pick-proof locks, one of those braces that goes from the lock to the 
floor, and bars on the windows.... ==== Stewart Dean, Unix System Admin, 
Bard College, New York 12504 sdean at bard.edu voice: 845-758-7475, fax: 
845-758-7035