Hi,
> On 7 Oct 2021, at 11:03, ceph-users@xxxxxxxxxxxxxxxxx wrote:
>
> Following on this, are there any restriction or issues with setting a new rule on a pool, except for the resulting backfilling?
Nope
>
> I can't see anything specific about it in the documentation, just the command ceph osd pool set {pool-name} crush_rule with the description
>
>
> crush_rule
>
> Description
>
> The rule to use for mapping object placement in the cluster.
>
> Type
>
> String
>
> Does it work equally (well) for replicated and ec, changing m/k values, etc?
For EC changing crush rule is not trival - you can't change EC profile after pool deployment. For replicated pool - in any time
k
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