[Dovecot] XFS vs EXT4 for mail storage

[Gedalya]

On 05/02/2013 10:21 AM, Charles Marcus wrote:
> On 2013-05-02 9:51 AM, Alessio Cecchi <alessio at skye.it> wrote:
>> Il 02/05/2013 15:17, Charles Marcus ha scritto:
>>>
>>> man mount doesn't show delaylog, nobarrier or noquota as valid mount
>>> options... ?
>>
>> Yes, they are available on RHEL 6.x.
>>
>> "since 2.6.35, xfs had a new mount option '-o delaylog', which 
>> improved a lot metadata operations. From 2.6.39 this option is on by 
>> default"
>
> Is this a redhat specific feature? Again, man mount says nothing about 
> those options.
>
You're right that it doesn't seem to be properly listed in the list of 
options, but it's discussed

https://git.kernel.org/cgit/linux/kernel/git/stable/linux-stable.git/tree/Documentation/filesystems/xfs-delayed-logging-design.txt

Other XFS options:
https://git.kernel.org/cgit/linux/kernel/git/stable/linux-stable.git/tree/Documentation/filesystems/xfs.txt