Hi,
I've deployed ceph on a number of nodes in our compute cluster (Ubuntu
14.04 Ceph Firefly 0.80.9). /ceph is mounted via ceph-fuse.
From time to time some nodes loose their access to cephfs with the
following error message:
# ls /ceph
ls: cannot access /ceph: Transport endpoint is not connected
The ceph client log contains the entries like:
2015-04-22 14:25:42.834607 7fcca6fa07c0 0 ceph version 0.80.9
(b5a67f0e1d15385bc0d60a6da6e7fc810bde6047), process ceph-fuse, pid 156483
2015-04-26 17:23:15.430052 7f08570777c0 0 ceph version 0.80.9
(b5a67f0e1d15385bc0d60a6da6e7fc810bde6047), process ceph-fuse, pid 140778
2015-04-26 17:23:15.625731 7f08570777c0 -1 fuse_parse_cmdline failed.
2015-04-26 17:23:18.921788 7f5bc299b7c0 0 ceph version 0.80.9
(b5a67f0e1d15385bc0d60a6da6e7fc810bde6047), process ceph-fuse, pid 140807
2015-04-26 17:23:19.166199 7f5bc299b7c0 -1 fuse_parse_cmdline failed.
Re-mounting resolves the problem, but it may not be possible due to
processes with (now stale) access to the mount point. Is there a better
way to resolve this problem (especially without remounting)?
Best regards,
Burkhard
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