Re: [ceph-users] Revert a CephFS snapshot?

2019-11-13 Thread Jerry Lee
On Thu, 14 Nov 2019 at 07:07, Patrick Donnelly wrote: > > On Wed, Nov 13, 2019 at 2:30 AM Jerry Lee wrote: > > Recently, I'm evaluating the snpahsot feature of CephFS from kernel > > client and everthing works like a charm. But, it seems that reverting > > a snapshot is not available currently.

Re: [ceph-users] SPAM in the ceph-users list

2019-11-13 Thread Alfred
On 14/11/19 01:30, Shawn Iverson wrote: > On another note, the ceph lists might consider munging the from address > and implementing SPF/DKIM/DMARC for itself while checking others for > DMARC compliance at the MTA level. > > I see a lot of ceph-users listserv emails landing my spam box. That wou

Re: [ceph-users] SPAM in the ceph-users list

2019-11-13 Thread Christopher McGill (GekkoFyre Networks)
Hello everyone, I very much agree with this, as I'm routinely having to clean this mailing list out of my SPAM inbox. Proper, more modern SMTP measures and safeguards are needed. -- Regards, Christopher McGill Proprietor / Lead System Administrator sa...@gekkofyre.io https://gekkofyre.i

Re: [ceph-users] Revert a CephFS snapshot?

2019-11-13 Thread Patrick Donnelly
On Wed, Nov 13, 2019 at 2:30 AM Jerry Lee wrote: > Recently, I'm evaluating the snpahsot feature of CephFS from kernel > client and everthing works like a charm. But, it seems that reverting > a snapshot is not available currently. Is there some reason or > technical limitation that the feature

Re: [ceph-users] dashboard hangs

2019-11-13 Thread Lenz Grimmer
Hi Thoralf, there have been several reports about Ceph mgr modules (not just the dashboard) experiencing hangs and freezes recently. The thread "mgr daemons becoming unresponsive" might give you some additional insight. Is the "device health metrics" module enabled on your cluster? Could you try

Re: [ceph-users] Ceph osd's crashing repeatedly

2019-11-13 Thread sascha a.
Hello, When i posted several days ago a crash nobody respondet as well. So i want to share my thoughts and maybe help you to find it (even im prett new to ceph and its code) What i would do i your case: - git checkout ceph version 14.2.2 (4f8fa0a0024755aae7d95567c63f11d6862d55be) nautilus (stab

Re: [ceph-users] SPAM in the ceph-users list

2019-11-13 Thread Shawn Iverson
On another note, the ceph lists might consider munging the from address and implementing SPF/DKIM/DMARC for itself while checking others for DMARC compliance at the MTA level. I see a lot of ceph-users listserv emails landing my spam box. On Tue, Nov 12, 2019 at 7:28 PM Christian Balzer wrote:

[ceph-users] Ceph osd's crashing repeatedly

2019-11-13 Thread nokia ceph
Hi, We have upgraded a 5 node ceph cluster from Luminous to Nautilus and the cluster was running fine. Yesterday when we tried to add one more osd into the ceph cluster we find that the OSD is created in the cluster but suddenly some of the other OSD's started to crash and we are not able to resta

[ceph-users] dashboard hangs

2019-11-13 Thread thoralf schulze
hi there, the dashboard of our moderatly used cluster with 3 mon/mgr-nodes gets stuck about 30 seconds after a mgr becomes active. the dashboard is not usable anymore (ie: the mgr damon does not respond to http requests anymore), although it comes back from the dead occasionally for a few seconds.

Re: [ceph-users] how to find the lazy egg - poor performance - interesting observations [klartext]

2019-11-13 Thread Paul Emmerich
On Wed, Nov 13, 2019 at 10:13 AM Stefan Bauer wrote: > > Paul, > > > i would like to take the chance, to thank you and ask if it could not be, that > subop_latency reports high value (is that avgtime in seconds reported?) > because the communication partner is slow in writing/commiting? no Paul

[ceph-users] Revert a CephFS snapshot?

2019-11-13 Thread Jerry Lee
Hi, Recently, I'm evaluating the snpahsot feature of CephFS from kernel client and everthing works like a charm. But, it seems that reverting a snapshot is not available currently. Is there some reason or technical limitation that the feature is not provided? Any insights or ideas are appreciat

Re: [ceph-users] how to find the lazy egg - poor performance - interesting observations [klartext]

2019-11-13 Thread Stefan Bauer
Paul, i would like to take the chance, to thank you and ask if it could not be, that subop_latency reports high value (is that avgtime in seconds reported?)    "subop_latency": {     "avgcount": 7782673,     "sum": 38852.140794738,     "avgtime": 0.004992133 be