Thanks, that's helpful.

On Mon, Oct 30, 2017 at 5:35 PM <[email protected]> wrote:

> You may refer to:
> http://ceph.com/community/new-luminous-crush-device-classes/
>
>
>
>
>
>
> 原始邮件
> *发件人:* <[email protected]>;
> *收件人:* <[email protected]>;
> *日 期 :*2017年10月31日 08:26
> *主 题 :**[ceph-users] using devices class when creating a pool*
>
>
> Hi All,
> I'm trying to use the devices class feature while creating the pool, but
> no luck.
>
> I see the following section in the CRUSH map, but I can't find any
> documentation showing how to use it!
>
> # devices
>
> device 0 osd.0 class hdd
>
> device 1 osd.1 class hdd
>
> device 2 osd.2 class ssd
> .
> .
> .
>
> How to create a pool using certain filters (e.g. storage class, buckets,
> rack, etc...)?
>
>
> Regards,
> Bishoy Mikhael
>
>
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