On 14/05/2015 18:15, Francois Lafont wrote:
Hi,
I had a problem with a cephfs freeze in a client. Impossible to
re-enable the mountpoint. A simple "ls /mnt" command totally
blocked (of course impossible to umount-remount etc.) and I had
to reboot the host. But even a "normal" reboot didn't work, the
host didn't stop. I had to do a hard reboot of the host. In brief,
it was like a big "NFS" freeze. ;)
Greg's response is pretty comprehensive, but for completeness I'll add
that the specific case of shutdown blocking is
http://tracker.ceph.com/issues/9477
Cheers,
John
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