As mentioned before :) we have two osd ndoes with one 3TB osd each. (replica
2)
About to add a smaller (1TB) faster drive to each node
From the docs, normal practice would be to weight it in accordance with size,
i.e 3 for the 3TB OSD, 1 for the 1TB OSD.
But I'd like to spread it 50/50 to take
On Thu, 1 Jan 2015 08:27:33 AM Dyweni - Ceph-Users wrote:
> I suspect a better configuration would be to leave your weights alone
> and to
> change your primary affinity so that the osd with the ssd is used first.
Interesting
> You
> might a little improvement on the writes (since the spinne
On Thu, 01 Jan 2015 13:59:57 +1000 Lindsay Mathieson wrote:
> As mentioned before :) we have two osd ndoes with one 3TB osd each.
> (replica 2)
>
> About to add a smaller (1TB) faster drive to each node
>
> From the docs, normal practice would be to weight it in accordance with
> size, i.e 3 for
Hi, I'm going to take a stab at this, since I've just recently/am
currently
dealing with this/something similar myself.
On 2014-12-31 21:59, Lindsay Mathieson wrote:
As mentioned before :) we have two osd ndoes with one 3TB osd each.
(replica
2)
About to add a smaller (1TB) faster drive to
On 2015-01-01 08:27, Dyweni - Ceph-Users wrote:
Hi, I'm going to take a stab at this, since I've just recently/am
currently
dealing with this/something similar myself.
On 2014-12-31 21:59, Lindsay Mathieson wrote:
As mentioned before :) we have two osd ndoes with one 3TB osd each.
(replica
On Thu, 1 Jan 2015 08:50:20 AM you wrote:
> > http://ceph.com/docs/master/rados/operations/crush-map/#primary-affinity
> >
> >
>
> This may help you too:
>
> http://cephnotes.ksperis.com/blog/2014/08/20/ceph-primary-affinity
H - so if I have three OSD's on a Node (looking at get two extra d
On 2015-01-01 14:04, Lindsay Mathieson wrote:
On Thu, 1 Jan 2015 08:27:33 AM Dyweni - Ceph-Users wrote:
You
might a little improvement on the writes (since the spinners have to
work too),
but the reads should have the most improvement (since ceph only has to
read
from the ssd).
Couple of t
The meant-for-human-consumption free space estimates and things won't be
accurate if you weight evenly instead of by size, but otherwise things
should work just fine -- you'll simply get full OSD warnings when you have
1TB/OSD.
-Greg
On Thu, Jan 1, 2015 at 3:10 PM Lindsay Mathieson <
lindsay.mathie