Ceph

12/08/2018

08:48 PM Linux kernel client Bug #37580 (Resolved): Unable to mount cephfs with latest 4.9.144 kernel

I'm unable to mount to cephfs with 4.9.144 kernel (with Ubuntu xenial) which has many cephfs changes.... elder one

05/03/2017

03:22 PM CephFS Bug #18798: FS activity hung, MDS reports client "failing to respond to capability release"

Zheng Yan wrote:
> elder one wrote:
> > One difference I noticed between 4.4 and 4.9 kernels
> > - with 4.4 kerne... elder one

05/02/2017

09:21 AM CephFS Bug #18798: FS activity hung, MDS reports client "failing to respond to capability release"

Just reporting that no errors after using patched (commit 2b1ac852) cephfs kernel module.
Also upgraded ceph to 1... elder one

04/13/2017

03:39 PM CephFS Bug #18798: FS activity hung, MDS reports client "failing to respond to capability release"

Yeah, you're right Darrell, operator error :) I guess VM did not have correct storage network attached when I tried t... elder one

12:23 PM CephFS Bug #18798: FS activity hung, MDS reports client "failing to respond to capability release"

One difference I noticed between 4.4 and 4.9 kernels
- with 4.4 kernel on cephfs directory sizes (total bytes of al... elder one

08:04 AM CephFS Bug #18798: FS activity hung, MDS reports client "failing to respond to capability release"

Yeah, did that.
My test server with compiled 4.9 kernel and patched ceph module mounted cephfs just fine.
It might... elder one

04/12/2017

10:27 PM CephFS Bug #18798: FS activity hung, MDS reports client "failing to respond to capability release"

Well, managed to patch ceph kernel module with 2b1ac852 commit, but my Ubuntu 4.9 kernel will not load unsigned modul... elder one

07:36 AM CephFS Bug #18798: FS activity hung, MDS reports client "failing to respond to capability release"

I do have mmap disabled in Dovecot conf.
Relevant bits from Dovecot conf:
mmap_disable = yes
mail_nfs_index = ... elder one

04/11/2017

09:03 PM CephFS Bug #18798: FS activity hung, MDS reports client "failing to respond to capability release"

Dumped also mds cache (healhty cluster state 8 hours later)
Searched inode in mds error log:... elder one

01:54 PM CephFS Bug #18798: FS activity hung, MDS reports client "failing to respond to capability release"

Got another error with 4.9.21 kernel.
On the cephfs node /sys/kernel/debug/ceph/xxx/:... elder one