[PVE-User] Ceph Journal Performance

[Lindsay Mathieson]

On 10 November 2014 08:53, Michael Rasmussen <mir at miras.org> wrote:
> On Mon, 10 Nov 2014 08:32:34 +1000
> Lindsay Mathieson <lindsay.mathieson at gmail.com> wrote:
>
>> I revisited gluster, this time formatted the filesystem per recommendations
>> (difficult to find). This seemed to resolved the I/O problems, haven't been
>> able to recreate them no matter what the load.
>>
> What recommendations?


creation:
mkfs.xfs -i size=512 -n size=8192  /dev/<dev?

mounting:
inode64,nobarrier,noatime,nodiratime,logbufs=8,logbsize=256k

nobarrier only if you *don't* have a controller cache, or it is battery backed.



-- 
Lindsay