try to kick out (evict) that cephfs client from the mds node, see http://docs.ceph.com/docs/master/cephfs/eviction/
Webert Lima
DevOps Engineer at MAV Tecnologia
Belo Horizonte - Brasil
IRC NICK - WebertRLZ
On Wed, Jan 10, 2018 at 12:59 AM, Mark Schouten <mark@xxxxxxxx> wrote:
Hi,
While upgrading a server with a CephFS mount tonight, it stalled on installing
a new kernel, because it was waiting for `sync`.
I'm pretty sure it has something to do with the CephFS filesystem which caused
some issues last week. I think the kernel still has a reference to the
probably lazy unmounted CephFS filesystem.
Unmounting the filesystem 'works', which means it is no longer available, but
the unmount-command seems to be waiting for sync() as well. Mounting the
filesystem again doesn't work either.
I know the simple solution is to just reboot the server, but the server holds
quite a lot of VM's and Containers, so I'd prefer to fix this without a reboot.
Anybody with some clever ideas? :)
--
Kerio Operator in de Cloud? https://www.kerioindecloud.nl/
Mark Schouten | Tuxis Internet Engineering
KvK: 61527076 | http://www.tuxis.nl/
T: 0318 200208 | info@xxxxxxxx
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