Re: ceph fuse closing stale session while still operable

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On Thu, Jan 21, 2016 at 4:24 AM, Oliver Dzombic <info@xxxxxxxxxxxxxxxxx> wrote:
> Hi Greg,
>
> alright.
>
> After shutting down the whole cluster and start it with "none" as
> authentication, i resettet the auth rights and restarted the whole
> cluster again after setting back to cephx.
>
> Now it looks like:
>
> client.admin
>         key: mysuperkey
>         caps: [mds] allow *
>         caps: [mon] allow *
>         caps: [osd] allow *
>
> But unluckily, nothing changed.
>
> -----------------
>
> The intresting stuff:
>
> We currently run some proxmox boxes with rbd kernel module access.
>
> If i try the same there:
>
> #ceph-fuse -m 10.0.0.1:6789,10.0.0.2:6789,10.0.0.3:6789,10.0.0.4:6789
> /ceph-storage/
>
> root@cn3:/ceph-storage/test# dd if=/dev/zero bs=256M count=16
> of=/ceph-storage/dd1
>
> 16+0 records in
> 16+0 records out
>
>
> Its working... Maybe not perfect speed, but as it seems its no cluster
> problem we have here.
>
> ----
>
> That brings me back to the question how it can be that a fresh minimal
> install will run into this trouble.
>
> I will now, again, setup different OS's and test it.
>
> Does anyone anyway run ceph-fuse without the ceph/rbd kernel modules
> successfully ?

Yeah, lots of people. This is odd, but I keep forgetting some of our
more available diagnostics now. Can you look at the admin socket for
your client and look at/share the output of the "status",
"mds_requests", "mds_sessions", and "objecter_requests" commands?
-Greg

>
> --
> Mit freundlichen Gruessen / Best regards
>
> Oliver Dzombic
> IP-Interactive
>
> mailto:info@xxxxxxxxxxxxxxxxx
>
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>
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>
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>
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