On Friday, March 11, 2016, Sándor Szombat <szombat.san...@gmail.com> wrote:

> Hi guys!
>
> We use Ceph and we need a distributed storage cluster for our files. I
> check CephFS but documentation says
> <http://docs.ceph.com/docs/master/cephfs/early-adopters/>  we can only
> use 1 MDS this time.
>

This is referring to the number of active MDS servers. You can have an
arbitrary number of standby servers which will take over in case of failure
on the master.


> So because of the HA we need 3 MDS on three master node. What is your
> experience with CephFS? It is buggy? Anybody has an idea when it will be
> "product ready"?
>

We use CephFS internally to store test logs and back the ceph-post-file
infrastructure and it's been well-behaved, but that's a pretty limited set
of workloads.

That said, we're declaring a basic set of functionality to be stable in
Jewel now that we have repair tools ready to use.
-Greg


>
> Thanks for your help!
> Have a nice day!
>
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