[Dovecot] Maildir + NFS + multiple machines = spectacular failure

[Luis Melendez]

Hi all.
We also had problems with  client NFS locking using RHEL4, kernel 2.6.9
Some of them were solved updating the kelnel from RedHat.
Hope this helps.

Regards.

Apps Lists wrote:

>I'm running beta7 on two machines, with maildir on NFS.  I have lockd
>running on all machines.  I've found that Dovecot is highly unstable with
>NFS when accessing a mailbox on more than one machine at the same time.
>
>Both dovecot machines have:
>
>mmap_disable = yes
>lock_method = fcntl
>
>NFS is version 3, exported from a third linux machine.  All machines are
>running 2.6.9 kernel.
>
>Any ideas what's going wrong here?
>
>Steve
>
>
>*** dev4 ***
>
>Apr 28 09:17:40 dev4 dovecot: IMAP(jtest): Duplicate file in uidlist file
>/var/mailstore/72/af/375887/Maildir/dovecot-uidlist:
>1146230258.P2889Q0M407851.dev4.neonova.net:2,
>
>Apr 28 09:17:41 dev4 dovecot: IMAP(jtest): Corrupted transaction log file
>/var/mailstore/72/af/375887/Maildir/dovecot.index.log: Extension
>introduction for unknown id 0
>
>Apr 28 09:17:41 dev4 dovecot: IMAP(jtest): file mail-index.c: line 883
>(mail_index_sync_from_transactions): assertion failed:
>(hdr.log_file_int_offset == (*map)->hdr.log_file_int_offset)
>
>
>Apr 28 09:17:41 dev4 dovecot: child 2889 (imap) killed with signal 6
>
>
>*** dev3 ***
>
>
>
>Apr 28 09:17:39 dev3 dovecot: IMAP(jtest): Duplicate file in uidlist file
>/var/mailstore/72/af/375887/Maildir/dovecot-uidlist:
>1146230254.P2888Q0M651598.dev4.neonova.net
>
>Apr 28 09:17:41 dev3 dovecot: IMAP(jtest): Fixed index file
>/var/mailstore/72/af/375887/Maildir/dovecot.index:
>first_recent_uid_lowwater 4036 -> 1772
>
>Apr 28 09:17:44 dev3 dovecot: IMAP(jtest):
>/var/mailstore/72/af/375887/Maildir/dovecot-uidlist: next_uid was lowered
>(4036 -> 1774)
>
>Apr 28 09:17:45 dev3 dovecot: IMAP(jtest): Duplicate file in uidlist file
>/var/mailstore/72/af/375887/Maildir/dovecot-uidlist:
>1146145480.P5976Q0M245663.dev3.neonova.net:2,
>
>Apr 28 09:17:46 dev3 dovecot: IMAP(jtest): Fixed index file
>/var/mailstore/72/af/375887/Maildir/dovecot.index:
>first_recent_uid_lowwater 4038 -> 1774
>
>Apr 28 09:17:47 dev3 dovecot: IMAP(jtest):
>/var/mailstore/72/af/375887/Maildir/dovecot-uidlist: next_uid was lowered
>(4038 -> 1775)
>
>Apr 28 09:17:48 dev3 dovecot: IMAP(jtest): Duplicate file in uidlist file
>/var/mailstore/72/af/375887/Maildir/dovecot-uidlist:
>1146145480.P5976Q0M245663.dev3.neonova.net:2,
>
>Apr 28 09:17:49 dev3 dovecot: IMAP(jtest):
>/var/mailstore/72/af/375887/Maildir/dovecot-uidlist: next_uid was lowered
>(4039 -> 1775)
>
>Apr 28 09:17:50 dev3 dovecot: IMAP(jtest): Corrupted transaction log file
>/var/mailstore/72/af/375887/Maildir/dovecot.index.log: Extension
>introduction for unknown id 0
>
>Apr 28 09:17:50 dev3 dovecot: IMAP(jtest): file mail-index.c: line 881
>(mail_index_sync_from_transactions): assertion failed: (hdr.messages_count
>== (*map)->hdr.messages_count)
>
>Apr 28 09:17:50 dev3 dovecot: IMAP(jtest):
>/var/mailstore/72/af/375887/Maildir/dovecot-uidlist: next_uid was lowered
>(4039 -> 1775)
>
>Apr 28 09:17:51 dev3 dovecot: IMAP(jtest): Corrupted transaction log file
>/var/mailstore/72/af/375887/Maildir/dovecot.index.log: Append with UID
>1775, but next_uid = 4039
>
>Apr 28 09:17:51 dev3 dovecot: IMAP(jtest): Corrupted transaction log file
>/var/mailstore/72/af/375887/Maildir/dovecot.index.log: Append with UID
>1775, but next_uid = 4039
>
>Apr 28 09:17:52 dev3 dovecot: IMAP(jtest): Unexpected transaction log
>desync with index /var/mailstore/72/af/375887/Maildir/dovecot.index
>
>Apr 28 09:17:52 dev3 dovecot: IMAP(jtest): Disconnected: Mailbox is in
>inconsistent state, please relogin.
>
>Apr 28 09:17:52 dev3 dovecot: IMAP(jtest): Fixed index file
>/var/mailstore/72/af/375887/Maildir/dovecot.index:
>first_recent_uid_lowwater 4039 -> 1776
>
>
>
>
>
>  
>


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| Luis Meléndez Aganzo                         ^  Email: luism at uco.es  |
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| Analista - Área de Sistemas                  ^  Fax: 34-(9)57-218116 |
| Universidad de Córdoba (SPAIN)               ^  http://www.uco.es    |
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