Hello Ceph Experts,
lately, "ceph status" on our cluster often states:
mds0: Client CLIENT_ID failing to respond to capability release
How can I identify which client is at fault (hostname or IP address)
from the CLIENT_ID?
What could be the source of the "failing to respond to capability release" -
Linux kernel on the client too old? We use ceph-0.94.2 on the cluster,
and the CephFS kernel client on the clients (kernel 3.13.0 on Ubuntu 12.04
and Ubuntu 14.04). But it's possible that there's a machine with an
older Kernel around somewhere ...
Cheers and thanks,
Oliver
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