Re: Adding osds to each nodes

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Ok, seems better to add all disks to host by hosts with waiting for rebalance between each of them, thx.

Istvan Szabo
Staff Infrastructure Engineer
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Agoda Services Co., Ltd.
e: istvan.szabo@xxxxxxxxx<mailto:istvan.szabo@xxxxxxxxx>
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On 2023. Feb 8., at 20:43, Eugen Block <eblock@xxxxxx> wrote:

Email received from the internet. If in doubt, don't click any link nor open any attachment !
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Hi,

this is a quite common question and multiple threads exist on this
topic, e.g. [1].

Regards,
Eugen

[1] https://www.mail-archive.com/ceph-users@xxxxxxxxxxxxxx/msg36475.html


Zitat von "Szabo, Istvan (Agoda)" <Istvan.Szabo@xxxxxxxxx>:

Hi,

What is the safest way to add disk(s) to each of the node in the cluster?
Should it be done 1 by 1 or can add all of them at once and let it rebalance?

My concern is that if add all in one due to host based EC code it
will block all the host.
The other side if I add 1 by 1,  one node will have more performance
and more osds than the others which is also not a good setup, so
wonder which is the safer way?

(have 9 nodes with host based EC 4:2, 1 disk is going to have 4osds)

Thank you

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