Re: [ceph-users] Shutting down a cluster fully and powering it back up

2015-03-02 Thread Daniel Schneller
On 2015-02-28 20:46:15 +, Gregory Farnum said: Sounds good! -Greg On Sat, Feb 28, 2015 at 10:55 AM David da...@visions.se wrote: Hi! We did that a few weeks ago and it mostly worked fine. However, on startup of one of the 4 machines, it got stuck while starting OSDs (at least that's

Re: [ceph-users] Shutting down a cluster fully and powering it back up

2015-02-28 Thread Gregory Farnum
Sounds good! -Greg On Sat, Feb 28, 2015 at 10:55 AM David da...@visions.se wrote: Hi! I’m about to do maintenance on a Ceph Cluster, where we need to shut it all down fully. We’re currently only using it for rados block devices to KVM Hypervizors. Are these steps sane? Shutting it down

[ceph-users] Shutting down a cluster fully and powering it back up

2015-02-28 Thread David
Hi! I’m about to do maintenance on a Ceph Cluster, where we need to shut it all down fully. We’re currently only using it for rados block devices to KVM Hypervizors. Are these steps sane? Shutting it down 1. Shut down all IO to the cluster. Means turning off all clients (KVM Hypervizors in