As for now, when I run `dump_ops_in_flight`, `ops` in empty and `num_ops` is 0. But when I run `ceph status`, I still get 15 clients failing to respond to cache pressure.
Where should I start solving this problem? On Thu, Nov 10, 2016 at 6:16 PM Goncalo Borges <[email protected]> wrote: > Hi > > "ceph daemon mds.<id> session ls", executed in your mds server, should > give you hostname and client id of all your cephfs clients. > > "ceph daemon mds.<id> dump_ops_in_flight" should give you operations not > completed or pending to complete for certain clients ids. In case of > problems, that those problematic clients will probably appear there. > > Cheers > Goncalo > > > ________________________________________ > From: ceph-users [[email protected]] on behalf of Yutian > Li [[email protected]] > Sent: 10 November 2016 15:21 > To: [email protected] > Subject: [ceph-users] Locating CephFS clients in warn message > > I get a HEALTH_WARN when I run `ceph status`. It says > > health HEALTH_WARN > mds0: Many clients (17) failing to respond to cache pressure > > I have 50 OSDs, 3 MONs, and 1 MDS. I just use CephFS and attach it to 20 ~ > 30 clients using kernel mount option. > > I wonder how to locate those "many" clients that are failing to respond. I > don't even see an ID of the lagging clients anywhere. > > Thanks! >
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