[ceph-users] Disabling write cache on SATA HDDs reduces write latency 7 times

Ashley Merrick singapore at amerrick.co.uk
Tue Nov 13 00:41:43 PST 2018


Looks like it as the Toshiba drives I use have their own version of that it
seems.

So would explain the same kind of results.

On Tue, 13 Nov 2018 at 4:26 PM, Виталий Филиппов <vitalif at yourcmc.ru> wrote:

> This may be the explanation:
>
>
> https://serverfault.com/questions/857271/better-performance-when-hdd-write-cache-is-disabled-hgst-ultrastar-7k6000-and
>
> Other manufacturers may have started to do the same, I suppose.
> --
> With best regards,
> Vitaliy Filippov
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.ceph.com/pipermail/ceph-users-ceph.com/attachments/20181113/b2fd8846/attachment.html>


More information about the ceph-users mailing list