[ceph-users] NVMe SSD not assigned "nvme" device class

Gregory Farnum gfarnum at redhat.com
Mon Oct 1 14:42:04 PDT 2018


Ceph only cares about the SSD and HDD distinction right now, so that's all
the device classes try to handle. (In fact it's *actually* just looking at
the rotational flag the kernel exports; the detection would need to become
a lot more advanced to start assigning stuff to an nvme class.)
-Greg

On Mon, Oct 1, 2018 at 2:25 PM Vladimir Brik <vladimir.brik at icecube.wisc.edu>
wrote:

> Hello,
>
> It looks like Ceph (13.2.2) assigns device class "ssd" to our Samsung
> PM1725a NVMe SSDs instead of "nvme". Is that a bug or is the "nvme"
> class reserved for a different kind of device?
>
>
> Vlad
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> ceph-users at lists.ceph.com
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>
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