I'm not looking at the docs, but I think you need an "emit" statement after
every choose.
-Greg
On Monday, July 11, 2016, George Shuklin <george.shuk...@gmail.com> wrote:
> Hello.
>
> I want to try CRUSH rule with following idea:
> take one OSD from root with SSD drives (and use it as primary).
> take two OSD from root with HDD drives.
>
> I've created this rule:
>
> rule rule_mix {
> ruleset 2
> type replicated
> min_size 2
> max_size 10
> step take ssd
> step chooseleaf firstn 1 type osd
> step take hdd
> step chooseleaf firstn -1 type osd
> step emit
> }
>
> But I think I done something wrong - all PG are undersized+degraded (I use
> 'size 3', have 2 SSD OSD and 5 HDD OSD).
>
> My noobie questions:
>
> 1) Can I use multiple 'take' steps in the single rule?
> 2) How many emit I should/may use per rule?
> 3) Is this a proper way to describe such logic? Or it should be done
> differently? (How?)
>
> Thanks.
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