[ceph-users] Monitor disks for SSD only cluster

Gregory Farnum gfarnum at redhat.com
Mon Nov 26 05:21:51 PST 2018


As the monitors limit their transaction rates, I would tend for the
higher-durability drives. I don't think any monitor throughput issues have
been reported on clusters with SSDs for storage.
-Greg

On Mon, Nov 26, 2018 at 5:47 AM Valmar Kuristik <valmar at eenet.ee> wrote:

> Hello,
>
> Can anyone say how important is to have fast storage on monitors for a
> all ssd deployment? We are planning on throwing SSDs into the monitors
> as well, but are at a loss about if to go for more durability or speed.
> Higher durability drives tend to be a lot slower for the 240GB size we'd
> need on the monitors, while lower durability would net considerably more
> write speed.
>
> Any insight into this ?
>
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