Hi Sage,
We have been running the Ganesha FSAL for a while (as far back as Hammer /
Ganesha 2.2.0), primarily for uid/gid squashing.
Things are basically OK for our application, but we've seen the following
weirdness*:
- Sometimes there are duplicated entries when directories are listed.
Same filename, same inode, just shows up twice in 'ls'.
- There can be a considerable latency between new files added to CephFS
and those files becoming visible on our NFS clients. I understand this might be
related to dentry caching.
- Occasionally, the Ganesha FSAL seems to max out at 100,000 caps
claimed which don't get released until the MDS is restarted.
*note: these issues are with Ganesha 2.2.0 and Hammer/Jewel, and have perhaps
since been fixed upstream.
(We've recently updated to Luminous / Ganesha 2.5.2, and will be happy to
complain if any issues show up :))
Cheers,
Lincoln
> On Nov 8, 2017, at 3:41 PM, Sage Weil <sw...@redhat.com> wrote:
>
> Who is running nfs-ganesha's FSAL to export CephFS? What has your
> experience been?
>
> (We are working on building proper testing and support for this into
> Mimic, but the ganesha FSAL has been around for years.)
>
> Thanks!
> sage
>
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