Re: [ceph-users] OSD crash after change of osd_memory_target

2020-01-22 Thread Igor Fedotov
Hi Martin, looks like a bug to me. You might want to remove all custom settings from config database and try to set osd-memory-target only. Would it help? Thanks, Igor On 1/22/2020 3:43 PM, Martin Mlynář wrote: Dne 21. 01. 20 v 21:12 Stefan Kooman napsal(a): Quoting Martin Mlynář (nex

Re: [ceph-users] OSD crash after change of osd_memory_target

2020-01-22 Thread Martin Mlynář
Dne 21. 01. 20 v 21:12 Stefan Kooman napsal(a): > Quoting Martin Mlynář (nexus+c...@smoula.net): > >> Do you think this could help? OSD does not even start, I'm getting a little >> lost how flushing caches could help. > I might have mis-understood. I though the OSDs crashed when you set the > conf

Re: [ceph-users] OSD crash after change of osd_memory_target

2020-01-21 Thread Stefan Kooman
Quoting Martin Mlynář (nexus+c...@smoula.net): > Do you think this could help? OSD does not even start, I'm getting a little > lost how flushing caches could help. I might have mis-understood. I though the OSDs crashed when you set the config setting. > According to trace I suspect something aro

Re: [ceph-users] OSD crash after change of osd_memory_target

2020-01-21 Thread Martin Mlynář
Dne út 21. 1. 2020 17:09 uživatel Stefan Kooman napsal: > Quoting Martin Mlynář (nexus+c...@smoula.net): > > > > > When I remove this option: > > # ceph config rm osd osd_memory_target > > > > OSD starts without any trouble. I've seen same behaviour when I wrote > > this parameter into /etc/ceph/

Re: [ceph-users] OSD crash after change of osd_memory_target

2020-01-21 Thread Stefan Kooman
Quoting Martin Mlynář (nexus+c...@smoula.net): > > When I remove this option: > # ceph config rm osd osd_memory_target > > OSD starts without any trouble. I've seen same behaviour when I wrote > this parameter into /etc/ceph/ceph.conf > > Is this a known bug? Am I doing something wrong? I wond

[ceph-users] OSD crash after change of osd_memory_target

2020-01-21 Thread Martin Mlynář
Hi, I'm having troubles changing osd_memory_target on my test cluster. I've upgraded whole cluster from luminous to nautiuls, all OSDs are running bluestore. Because this testlab is short in RAM, I wanted to lower osd_memory_target to save some memory. # ceph version ceph version 14.2.6 (f0aa067