Re: CephFS is not maintianing conistency

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On Monday, February 1, 2016, Mykola Dvornik <mykola.dvornik@xxxxxxxxx> wrote:
Hi guys,

This is sort of rebuttal.

I have a CephFS deployed and mounted on a couple of clients via ceph-fuse (due to quota support and possibility to kill the ceph-fuse process to avoid stale mounts).

So the problems is that some times the changes made on one client are not visible on the others. It appears to me as rather random process. The only solution is to touch a new file in any particular folder that apparently triggers synchronization.

I've been using a kernel-side client before with no such kind of problems. So the questions is it expected behavior of ceph-fuse?

What version are you running on your servers and clients? Exactly what changes are you making that aren't visible? What's the output of "ceph -s"?
We see bugs like this occasionally but I can't think of any recent ones in ceph-fuse -- they're actually seen a lot more often in the kernel client.
-Greg

 

Regards,

Mykola










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