Den mån 13 jan. 2020 kl 08:09 skrev Stefan Priebe - Profihost AG <
s.pri...@profihost.ag>:

> Hello,
>
> i'm plannung to split the block db to a seperate flash device which i
> also would like to use as an OSD for erasure coding metadata for rbd
> devices.
>
> If i want to use 14x 14TB HDDs per Node
>
> https://docs.ceph.com/docs/master/rados/configuration/bluestore-config-ref/#sizing
>
> recommends a minimum size of 140GB per 14TB HDD.
>
> Is there any recommandation of how many osds a single flash device can
> serve? The optane ones can do 2000MB/s write + 500.000 iop/s.
>
> Greets,
> Stefan
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>


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