Re: Race Condition(?) in CephFS

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Hello Adam,

On Tue, Apr 25, 2017 at 5:32 PM, Adam Tygart <mozes@xxxxxxx> wrote:
> I'm using CephFS, on CentOS 7. We're currently migrating away from
> using a catch-all cephx key to mount the filesystem (with the kernel
> module), to a much more restricted key.
>
> In my tests, I've come across an issue, extracting a tar archive with
> a mount using the restricted key routinely cannot create files or
> directories in recently created directories. I need to keep running a
> CentOS based kernel on the clients because of some restrictions from
> other software. Below looks like a race condition to me, although I am
> not versed well enough in Ceph or the inner workings of the kernel to
> know for sure.
> [...]
>
> We're currently running Ceph Jewel (10.2.5). We're looking to update
> soon, but we wanted a clean backup of everything in CephFS first.

To me, this looks like: http://tracker.ceph.com/issues/17858

Fortunately you should only need to upgrade to 10.2.6 or 10.2.7 to fix this.

HTH,

-- 
Patrick Donnelly
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