Hi,All
The more filling, the slower disk.
In my opinion the SMR can be used exclusively for the RGW.
С уважением, Фасихов Ирек Нургаязович
Моб.: +79229045757
2017-02-03 10:39 GMT+03:00 Christian Balzer <chibi@xxxxxxx>:
Hello,
On Fri, 3 Feb 2017 10:30:28 +0300 Irek Fasikhov wrote:
> Hi, Maxime.
>
> Linux SMR is only starting with version 4.9 kernel.
>
What Irek said.
Also, SMR in general is probably a bad match for Ceph.
Drives like that really want to be treated more like a tape than anything
else.
In general, do you really need all this space, what's your use case?
Unless it's something like a backup/archive cluster or pool with little to
none concurrent R/W access, you're likely to run out of IOPS (again) long
before filling these monsters up.
Christian
>
> С уважением, Фасихов Ирек Нургаязович
> Моб.: +79229045757
>
> 2017-02-03 10:26 GMT+03:00 Maxime Guyot <Maxime.Guyot@xxxxxxxxx>:
>
> > Hi everyone,
> >
> >
> >
> > I’m wondering if anyone in the ML is running a cluster with archive type
> > HDDs, like the HGST Ultrastar Archive (10TB@7.2k RPM) or the Seagate
> > Enterprise Archive (8TB@5.9k RPM)?
> >
> > As far as I read they both fall in the enterprise class HDDs so **might**
> > be suitable for a low performance, low cost cluster?
> >
> >
> >
> > Cheers,
> >
> > Maxime
> >
> > _______________________________________________ --
> > ceph-users mailing list
> > ceph-users@xxxxxxxxxxxxxx
> > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph. com
> >
> >
Christian Balzer Network/Systems Engineer
chibi@xxxxxxx Global OnLine Japan/Rakuten Communications
http://www.gol.com/
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