On 2/18/20 6:56 PM, Jacek Suchenia wrote:
> Hello
>
> I have a cluster, (Nautilus 14.2.4) where one pool I'd like to keep on a
> dedicated OSDs. So I setup a rule that covers *3* dedicated OSDs (using
> device classes) and assigned it to pool with replication factor *3*. Only
> 10% PGs were assigned and rebalanced, where rest of them stuck in
> *undersized* state.
>
Can you share the rule and some snippets of the CRUSHMap?
Wido
> What mechanism prevents CRUSH algorithm to assign the same set of OSDs to
> all PGs in a pool? How can I control it?
>
> Jacek
>
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