Hello sage, last time I used CephFS it had a strange behaviour when if
used in conjunction with a nfs reshare of the cephfs mount point, I
experienced a partial random disapearance of the tree folders.
According to people in the mailing list it was a kernel module bug (not
using ceph-fuse) do you know if any work has been done recently in that
topic?
best regards
Alphe Salas
I.T ingeneer
On 10/14/2014 11:23 AM, Sage Weil wrote:
On Tue, 14 Oct 2014, Amon Ott wrote:
Am 13.10.2014 20:16, schrieb Sage Weil:
We've been doing a lot of work on CephFS over the past few months. This
is an update on the current state of things as of Giant.
...
* Either the kernel client (kernel 3.17 or later) or userspace (ceph-fuse
or libcephfs) clients are in good working order.
Thanks for all the work and specially for concentrating on CephFS! We
have been watching and testing for years by now and really hope to
change our Clusters to CephFS soon.
For kernel maintenance reasons, we only want to run longterm stable
kernels. And for performance reasons and because of severe known
problems we want to avoid Fuse. How good are our chances of a stable
system with the kernel client in the latest longterm kernel 3.14? Will
there be further bugfixes or feature backports?
There are important bug fixes missing from 3.14. IIRC, the EC, cache
tiering, and firefly CRUSH changes aren't there yet either (they landed in
3.15), and that is not appropriate for a stable series.
They can be backported, but no commitment yet on that :)
sage
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