Re: Slow read write operation in ssd disk pool

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Hi,

Those are not enterprise SSD, Samsung labeled and all are 2TB in size. we
have three node, 12 disk on each node

Regards,
Munna

On Wed, Apr 20, 2022 at 5:49 PM Stefan Kooman <stefan@xxxxxx> wrote:

> On 4/20/22 13:30, Md. Hejbul Tawhid MUNNA wrote:
> > Dear Team,
> >
> > We have two type to disk in our ceph cluster one is Magnetic disk,
> another
> > type is SSD.
> >
> > # ceph osd crush class ls
> > [
> >      "hdd",
> >      "ssd"
> > ]
> >
> > hdd is normally a bit slower, which is normal. initially ssd was faster
> > read/write. Recently we are facing very slow operation on ssd. Need help
> to
> > troubleshoot the issue
>
> What Brand / model are those SSDs? Are those "enterprise" SSDs (with
> wear leveling, capacitors, etc.)?
>
> Gr. Stefan
>
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