[Dovecot] Dovecot over NFS

[James Devine]

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/NFS and
> 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