[Dovecot] Dovecot over NFS

[James Devine]

By client I meant NFS client running postfix/dovecot servers

On Sun, Jun 10, 2012 at 9:38 PM, James Devine <fxmulder at gmail.com> wrote:

>
> On Sat, Jun 9, 2012 at 12:40 PM, Daniel Parthey <
> daniel.parthey at informatik.tu-chemnitz.de> wrote:
>
>> James Devine wrote:
>> > I'm playing with running dovecot over NFS and I am running into some
>> > issues.  I have followed the guide at  http://wiki2.dovecot.org/NFSand my
>> > setup includes 1 nfs server and 1 client running postfix/dovecot.  In
>> > testing I am running postal via the command:
>> >
>> > postal -t 10 -c 10 localhost users399
>> >
>> > The test file has a list of 399 users to deliver to.  I've provided a
>> > sample of the errors I'm receiving and my configuration below, I am
>> running
>> > dovecot 2.0.19.  Any idea what I might be doing wrong and what I might
>> do
>> > to resolve it?  My ultimate goal is to setup multiple clients with
>> director
>> > so each user is still handled on a single machine, however with a single
>> > machine I still seem to be having issues.
>>
>> Have a look at
>> http://wiki2.dovecot.org/Director
>>
>> > Here is a sample of some of the errors I'm seeing:
>> >
>> > Jun  6 15:55:12 test-gluster-client1 dovecot: lmtp(12072, testuser130):
>> > Error: mdbox /mnt/testuser130/mdbox/mailboxes/INBOX/dbox-Mails: Invalid
>> > dbox header size: 0
>> > Jun  6 15:55:12 test-gluster-client1 dovecot: lmtp(11999, testuser99):
>> > Error: Log synchronization error at seq=2,offset=556 for
>> > /mnt/testuser99/mdbox/storage/dovecot.map.index: Append with UID 2, but
>> > next_uid = 3
>>
>> mdbox format requires a correct index and you will lose flags,
>> if you lose the index file. The index will be automatically tried
>> to restore from mails in the storage.
>>
>> You should avoid accessing the same user directory from different
>> NFS clients, since this often leads to corruptions or invalid files.
>>
>> You need a director which ensures that one directory is only accessed
>> from one host at the same time. This applies to IMAP, POP3, LMTP etc,
>> which are all writing to the mailbox.
>>
>> Then you should access all mailboxes only via the director listener ports.
>>
>> > My dovecot config is:
>>
>> You posted only the configuration of your mailbox instance
>> and might have a look your director configuration too:
>>
>> doveconf -c /etc/dovecot-director/dovecot-director.conf -n
>>
>> (or wherever your director configuration is located)
>>
>> Regards
>> Daniel
>>
>
> Right now there is no director, I am only trying to get a single client
> running postfix/dovecot talking to a single nfs server without error and
> that's where I am having trouble
>