On Wed, Jan 10, 2018 at 10:59 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? :) > try mount ceph with exact same options as the previous. The new mount should share mds connection with previous one. then run 'umount -f' the new mount. > -- > 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 > _______________________________________________ > ceph-users mailing list > ceph-users@xxxxxxxxxxxxxx > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com