[ceph-users] Blog post: storage server power consumption

Nick Fisk nick at fisk.me.uk
Wed Nov 8 13:25:08 PST 2017


Also look at the new WD 10TB Red's if you want very low use archive storage.
Because they spin at 5400, they only use 2.8W at idle.

> -----Original Message-----
> From: ceph-users [mailto:ceph-users-bounces at lists.ceph.com] On Behalf Of
> Jack
> Sent: 06 November 2017 22:31
> To: ceph-users at lists.ceph.com
> Subject: Re: [ceph-users] Blog post: storage server power consumption
> 
> Online does that on C14 (https://www.online.net/en/c14)
> 
> IIRC, 52 spining disks per RU, with only 2 disks usable at a time There is
some
> custom hardware, though, and it is really design for cold storage (as an
IO
> must wait for an idle slot, power-on the device, do the IO, power-off the
> device and release the slot) They use 1GB as a block size
> 
> I do not think this will work anyhow with Ceph
> 
> On 06/11/2017 23:12, Simon Leinen wrote:
> > The last paragraph contains a challenge to developers: Can we save
> > more power in "cold storage" applications by turning off idle disks?
> > Crazy idea, or did anyone already try this?
> >
> 
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