Re: [ceph-users] Explanation for "ceph osd set nodown" and "ceph osd cluster_snap"

2015-06-19 Thread Carsten Schmitt
Hi Jan, On 06/18/2015 12:48 AM, Jan Schermer wrote: 1) Flags available in ceph osd set are pause|noup|nodown|noout|noin|nobackfill|norecover|noscrub|nodeep-scrub|notieragent I know or can guess most of them (the docs are a “bit” lacking) But with "ceph osd set nodown” I have no idea what it s

[ceph-users] Removing OSD - double rebalance?

2015-11-30 Thread Carsten Schmitt
Hi all, I'm running ceph version 0.94.5 and I need to downsize my servers because of insufficient RAM. So I want to remove OSDs from the cluster and according to the manual it's a pretty straightforward process: I'm beginning with "ceph osd out {osd-num}" and the cluster starts rebalancing i

Re: [ceph-users] Removing OSD - double rebalance?

2015-12-02 Thread Carsten Schmitt
Hi all, On 12/02/2015 12:10 PM, Jan Schermer wrote: 1) if you have the original drive that works and just want to replace it then you can just "dd" it over to the new drive and then extend the partition if the new one is larger, this avoids double backfilling in this case 2) if the old drive i