Excellent - thank you!

________________________________
From: Konstantin Shalygin 'k0ste at k0ste.ru' 
<[email protected]>
Sent: 07 October 2021 10:10
To: [email protected] <[email protected]>
Subject: Re: [ceph-users] Edit crush rule

Hi,

On 7 Oct 2021, at 11:03, 
[email protected]<mailto:[email protected]> 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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