Re: The effect of changing an osd's class

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I know the similar behaviour when mclock is active.


Joachim


joachim.kraftmayer@xxxxxxxxx

www.clyso.com

Hohenzollernstr. 27, 80801 Munich

Utting a. A. | HR: Augsburg | HRB: 25866 | USt. ID-Nr.: DE2754306

Roland Giesler <roland@xxxxxxxxxxxxxx> schrieb am Do., 14. Nov. 2024, 05:40:

> On 2024/11/13 21:05, Anthony D'Atri wrote:
> > I would think that there was some initial data movement and that it all
> went back when you reverted.  I would not expect a mess.
>
>    data:
>      volumes: 1/1 healthy
>      pools:   7 pools, 1586 pgs
>      objects: 5.79M objects, 12 TiB
>      usage:   24 TiB used, 26 TiB / 50 TiB avail
>      pgs:     4161/11720662 objects misplaced (0.036%)
>               1463 active+clean
>               113  active+clean+remapped
>               9    active+clean+scrubbing+deep+repair
>               1    active+clean+scrubbing+deep
>
> I have 113 active+clean+remapped pg's that just stay like that. If I try
> to out the this osd to stop it, the clsuter also never settles.  So then
> if I try to stop it in the GUI is tells me 73 pg's are still on the OSD...
>
> Can I force those pg's away from the osd?
>
> >> On Nov 13, 2024, at 12:48 PM, Roland Giesler <roland@xxxxxxxxxxxxxx>
> wrote:
> >>
> >> I created a new osd class and changed the class of an osd to the new
> one without taking the osd out and stopping it first.  The new class also
> has a crush rule and a pool created for it.
> >>
> >> When I realised my mistake, I reverted to what I had before. However, I
> suspect that I now have a mess on that osd.
> >>
> >> What happened when I did this?
> >>
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