Re: MDS rejects clients causing hanging mountpoint on linux kernel client

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On Sun, Sep 29, 2019 at 8:21 PM Florian Pritz
<florian.pritz@xxxxxxxxxxxxxx> wrote:
>
> On Sun, Sep 29, 2019 at 10:49:58AM +0800, "Yan, Zheng" <ukernel@xxxxxxxxx> wrote:
> > > Hanging client (10.1.67.49) kernel log:
> > >
> > > > 2019-09-26T16:08:27.481676+02:00 hostnamefoo kernel: [708596.227148] ceph: mds0 reconnect start
> > > > 2019-09-26T16:08:27.488943+02:00 hostnamefoo kernel: [708596.233145] ceph: mds0 reconnect denied
> > > > 2019-09-26T16:16:17.541041+02:00 hostnamefoo kernel: [709066.287601] libceph: mds0 10.1.4.203:6801 socket closed (con state NEGOTIATING)
> > > > 2019-09-26T16:16:18.068934+02:00 hostnamefoo kernel: [709066.813064] ceph: mds0 rejected session
> > > > 2019-09-26T16:16:18.068955+02:00 hostnamefoo kernel: [709066.814843] ceph: get_quota_realm: ino (10000000008.fffffffffffffffe) null i_snap_realm
> > >
> >
> > strange!  did this client have multiple IPs?
>
> No, this client only has a single IP configured. The other clients also
> only have a single IP each.
>

Can you reproduce this. If you can, run 'ceph daemon mds.x session ls'
before restart mds.

> Florian
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