Re: [ceph-users] CephFS client hanging and cache issues

2019-10-30 Thread Bob Farrell
Thanks a lot and sorry for the spam, I should have checked ! We are on 18.04, kernel is currently upgrading so if you don't hear back from me then it is fixed. Thanks for the amazing support ! On Wed, 30 Oct 2019, 09:54 Lars Täuber, wrote: > Hi. > > Sounds like you use kernel clients with

Re: [ceph-users] CephFS client hanging and cache issues

2019-10-30 Thread Lars Täuber
Hi. Sounds like you use kernel clients with kernels from canonical/ubuntu. Two kernels have a bug: 4.15.0-66 and 5.0.0-32 Updated kernels are said to have fixes. Older kernels also work: 4.15.0-65 and 5.0.0-31 Lars Wed, 30 Oct 2019 09:42:16 + Bob Farrell ==> ceph-users : > Hi. We are

Re: [ceph-users] CephFS client hanging and cache issues

2019-10-30 Thread Paul Emmerich
Kernel bug due to a bad backport, see recent posts here. Paul -- Paul Emmerich Looking for help with your Ceph cluster? Contact us at https://croit.io croit GmbH Freseniusstr. 31h 81247 München www.croit.io Tel: +49 89 1896585 90 On Wed, Oct 30, 2019 at 10:42 AM Bob Farrell wrote: > > Hi.

[ceph-users] CephFS client hanging and cache issues

2019-10-30 Thread Bob Farrell
Hi. We are experiencing a CephFS client issue on one of our servers. ceph version 14.2.0 (3a54b2b6d167d4a2a19e003a705696d4fe619afc) nautilus (stable) Trying to access, `umount`, or `umount -f` a mounted CephFS volumes causes my shell to hang indefinitely. After a reboot I can remount the