Re: [ceph-users] Shutting down half / full cluster

2018-02-14 Thread David Turner
500 > Fax: (480) 610-3501 > www.PerformAir.com > > > From: ceph-users [mailto:ceph-users-boun...@lists.ceph.com] On Behalf Of > David Turner > Sent: Wednesday, February 14, 2018 9:02 AM > To: Götz Reinicke > Cc: ceph-users > Subject: Re: [ceph-users] Shutting down half /

Re: [ceph-users] Shutting down half / full cluster

2018-02-14 Thread DHilsbos
, February 14, 2018 9:02 AM To: Götz Reinicke Cc: ceph-users Subject: Re: [ceph-users] Shutting down half / full cluster ceph osd set noout ceph osd set nobackfill ceph osd set norecover Noout will prevent OSDs from being marked out during the maintenance and no PGs will be able to shift data

Re: [ceph-users] Shutting down half / full cluster

2018-02-14 Thread David Turner
ceph osd set noout ceph osd set nobackfill ceph osd set norecover Noout will prevent OSDs from being marked out during the maintenance and no PGs will be able to shift data around with the other 2 flags. After everything is done, unset the 3 flags and you're good to go. On Wed, Feb 14, 2018 at

Re: [ceph-users] Shutting down half / full cluster

2018-02-14 Thread Götz Reinicke
Thanks! Götz > Am 14.02.2018 um 11:16 schrieb Kai Wagner >: > > Hi, > > maybe it's worth looking at this: > > http://lists.ceph.com/pipermail/ceph-users-ceph.com/2017-April/017378.html >

Re: [ceph-users] Shutting down half / full cluster

2018-02-14 Thread Kai Wagner
Hi, maybe it's worth looking at this: http://lists.ceph.com/pipermail/ceph-users-ceph.com/2017-April/017378.html Kai On 02/14/2018 11:06 AM, Götz Reinicke wrote: > Hi, > > We have some work to do on our power lines for all building and we have to > shut down all systems. So there is also no

[ceph-users] Shutting down half / full cluster

2018-02-14 Thread Götz Reinicke
Hi, We have some work to do on our power lines for all building and we have to shut down all systems. So there is also no traffic on any ceph client. Pitty, we have to shot down some ceph nodes too in an affected building. To avoid rebalancing - as I see there is no need for it, as there is no