Re: State of nfs-ganesha CEPH fsal

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Hi,

On 07/27/2015 05:42 PM, Gregory Farnum wrote:
On Mon, Jul 27, 2015 at 4:33 PM, Burkhard Linke
<Burkhard.Linke@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> wrote:
Hi,

the nfs-ganesha documentation states:

"... This FSAL links to a modified version of the CEPH library that has been
extended to expose its distributed cluster and replication facilities to the
pNFS operations in the FSAL. ... The CEPH library modifications have not
been merged into the upstream yet. ...."

(https://github.com/nfs-ganesha/nfs-ganesha/wiki/Fsalsupport#ceph)

Is this still the case with the hammer release?
The FSAL has been upstream for quite a while, but it's not part of our
regular testing yet and I'm not sure what it gets from the Ganesha
side. I'd encourage you to test it, but be wary — we had a recent
report of some issues we haven't been able to set up to reproduce yet.
Can you give some details on that issues? I'm currently looking for a way to provide NFS based access to CephFS to our desktop machines.

The kernel NFS implementation in Ubuntu had some problems with CephFS in our setup, which I was not able to resolve yet. Ganesha seems to be more promising, since it uses libcephfs directly and does not need a mountpoint of its own.

Best regards,
Burkhard
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