[Dovecot] Local node indexes in a cluster backend with GFS2

[Aliet Santiesteban Sifontes]

Read this in GFS2 docs:
mmap/splice support for journaled files (enabled by using the same on disk
format as for regular files)

...
2010/11/15 Aliet Santiesteban Sifontes <alietsantiesteban at gmail.com>

> Should I set mmap_disable = yes when storing indexes in a GFS2 shared
> filesystem??
>
> 2010/11/15 Aliet Santiesteban Sifontes <alietsantiesteban at gmail.com>
>
> Ok, I will create a LUN also as a shared clustered storage for indexes, any
>> consideration to have into account when the indexes are shared by many
>> nodes...
>> thank you all...
>>
>> 2010/11/15 Timo Sirainen <tss at iki.fi>
>>
>> On 15.11.2010, at 6.44, Aliet Santiesteban Sifontes wrote:
>>>
>>> > mail_location =
>>> > sdbox:/var/vmail/%d/%3n/%n/sdbox:INDEX=/var/indexes/%d/%3n/%n
>>> >
>>> > /var/vmail is shared clustered filesystem with GFS2 shared by node1 and
>>> > node2
>>> >
>>> > /var/indexes is a local filesystem at the node, so each node has his
>>> own
>>> > /var/indexes stuff on ext3 and raid1 for improving performance, I mean
>>> each
>>> > node a different /var/indexes of its own.
>>>
>>> This is a bad idea. With dbox the message flags are only stored in index
>>> files, so if you lose indexes you lose all message flags. Users won't be
>>> happy.
>>>
>>
>>
>