[PVE-User] ceph disk replace

Mark Schouten mark at tuxis.nl
Tue Sep 4 11:48:30 CEST 2018


On Tue, 2018-09-04 at 10:56 +0200, lists wrote:
> When again HEALTH_OK:
> - remove the OSD from pve gui
> but at this point ceph started rebalancing again, which to us was 
> unexpected..?
> 
> It is now rebalancing nicely, but can we prevent this data movement
> next 
> time..? (and HOW?)

I think you can't prevent it. Removing an OSD changes the CRUSH-map,
and thus rebalances. However, there is no nood to wait for it to finish
rebalancing again.

You can add the new OSD directly after removing the old one.

-- 
Kerio Operator in de Cloud? https://www.kerioindecloud.nl/
Mark Schouten  | Tuxis Internet Engineering
KvK: 61527076  | http://www.tuxis.nl/
T: 0318 200208 | info at tuxis.nl





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