Re: device class for nvme disk is ssd

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> Hi,
> is it a problem that the device class for all my disks is SSD even all
> of
> these disks are NVME disks? If it is just a classification for ceph, so
> I
> can have pools on SSDs and NVMEs separated I don't care. But maybe ceph
> handles NVME disks differently internally?
> 

I am not entirely sure if it is still with newer versions of ceph, but what I understood from previous discussions is that it does not really pay of to use nvme as an osd and they are mostly used for speeding up writes to slower osds (hdd)

https://yourcmc.ru/wiki/Ceph_performance
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