Re: [ceph-users] OSD maintenance (ceph osd set noout)

2018-02-28 Thread Andre Goree
On 2018/02/27 4:23 pm, John Spray wrote: On Tue, Feb 27, 2018 at 6:37 PM, Andre Goree wrote: Is it still considered best practice to set 'noout' for OSDs that will be going under maintenance, e.g., rebooting an OSD ndoe for a kernel update? I ask, because I've set this twice now during times

Re: [ceph-users] OSD maintenance (ceph osd set noout)

2018-02-28 Thread David Turner
Like John says, noout prevents an osd being marked out in the cluster. It does not impede it from being marked down and back up which is the desired behavior when restarting a server. What are you seeing with your osds becoming unusable and needing to rebuild them? When rebooting a server if it ta

Re: [ceph-users] OSD maintenance (ceph osd set noout)

2018-02-27 Thread John Spray
On Tue, Feb 27, 2018 at 6:37 PM, Andre Goree wrote: > Is it still considered best practice to set 'noout' for OSDs that will be > going under maintenance, e.g., rebooting an OSD ndoe for a kernel update? > > I ask, because I've set this twice now during times which the OSDs would > only momentaril