Re: Automount Failovered Multi MDS CephFS

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Hi John,

If I have multi MON, should I put all MON IPs on /etc/fstab? Is there any way to overcome MDS metadata bottleneck when only single MDS active?

In case on loadbalanced file/web servers, which one is better, each server mount to other replicated/distributed FS (for example via GlusterFS) on top of CephFS (different directory) or just directly mounts the same directory of CephFS?

Best regards,

On Wed, Aug 3, 2016 at 11:14 PM, John Spray <jspray@xxxxxxxxxx> wrote:
On Wed, Aug 3, 2016 at 5:10 PM, Lazuardi Nasution
<mrxlazuardin@xxxxxxxxx> wrote:
> Hi,
>
> I'm looking for example about what to put on /etc/fstab if I want to auto
> mount CephFS on failovered multi MDS (only one MDS is active) especially
> with Jewel. My target is to build loadbalanced file/web servers with CephFS
> backend.

The MDS configuration doesn't affect what you put in fstab, because
the addresses in fstab are just the mons (the client talks to the mons
to learn where to find the MDSs).

So refer to the docs (http://docs.ceph.com/docs/master/cephfs/fstab/),
and if you have multiple monitors you put them in a comma separated
list.

John
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