[Dovecot] distributed mdbox

[James Devine]

Also I don't seem to get these errors with a single dovecot machine using
the shared storage and it looks like there are multiple simultaneous
delivery processes running

On Wed, Mar 21, 2012 at 10:25 AM, James Devine <fxmulder at gmail.com> wrote:

>
>
> On Wed, Mar 21, 2012 at 10:05 AM, Timo Sirainen <tss at iki.fi> wrote:
>
>> On 21.3.2012, at 17.56, James Devine wrote:
>>
>> > Anyone know how to setup dovecot with mdbox so that it can be used
>> through
>> > shared storage from multiple hosts?  I've setup a gluster volume and am
>> > sharing it between 2 test clients.  I'm using postfix/dovecot LDA for
>> > delivery and I'm using postal to send mail between 40 users.  In doing
>> > this, I'm seeing these errors in the logs
>>
>> Dovecot assumes that the filesystem behaves the same way as regular local
>> filesystems.
>>
>> > Mar 21 09:36:29 test-gluster-client2 dovecot: lda(testuser34): Error:
>> Fixed
>> > index file /mnt/testuser34/mdbox/storage/dovecot.map.index:
>> messages_count
>> > 272 -> 271
>> > Mar 21 09:36:30 test-gluster-client2 dovecot: lda(testuser28): Error:
>> Log
>> > synchronization error at seq=4,offset=3768 for
>> > /mnt/testuser28/mdbox/storage/dovecot.map.index: Append with UID 516,
>> but
>> > next_uid = 517
>>
>> Looks like gluster doesn't fit that assumption. So, the solution is the
>> same as with NFS: http://wiki2.dovecot.org/Director
>>
>>
> What filesystem mechanisms might not be working in this case?
>