For what it worth, yahoo published their setup some years ago:
https://yahooeng.tumblr.com/post/116391291701/yahoo-cloud-object-store-object-storage-at
54 nodes per cluster for 3.2PB of raw storage, I guess this leads to 16
* 4TB hdd per node, thus 896 per cluster
(they may have used ssd as
Hi,
On 14/05/18 17:49, Marc Boisis wrote:
> Currently we have a 294 OSD (21 hosts/3 racks) cluster with RBD clients
> only, 1 single pool (size=3).
That's not a large cluster.
> We want to divide this cluster into several to minimize the risk in case
> of failure/crash.
> For example, a
dre
- Mail original -
De: "Piotr Dałek" <piotr.da...@corp.ovh.com>
À: "ceph-users" <ceph-users@lists.ceph.com>
Envoyé: Mardi 15 Mai 2018 09:14:53
Objet: Re: [ceph-users] a big cluster or several small
On 18-05-14 06:49 PM, Marc Boisis wrote:
>
> Hi,
On 18-05-14 06:49 PM, Marc Boisis wrote:
Hi,
Hello,
Currently we have a 294 OSD (21 hosts/3 racks) cluster with RBD clients
only, 1 single pool (size=3).
We want to divide this cluster into several to minimize the risk in case of
failure/crash.
For example, a cluster for the mail, another
Hi,
don't do multiple clusters on the same server without containers; support
for the cluster name stuff is deprecated and will probably be removed:
https://github.com/ceph/ceph-deploy/pull/441
Also, I wouldn't split your cluster (yet?), ~300 OSDs is still quite small.
But it depends on the
t:* Monday, May 14, 2018 9:50 AM
> *To:* ceph-users
> *Subject:* [ceph-users] a big cluster or several small
>
>
>
>
> Hi,
>
>
>
> Hello,
>
> Currently we have a 294 OSD (21 hosts/3 racks) cluster with RBD clients
> only, 1 single pool (size=3).
>
>
&g
] On Behalf Of Marc
Boisis
Sent: Monday, May 14, 2018 9:50 AM
To: ceph-users
Subject: [ceph-users] a big cluster or several small
Hi,
Hello,
Currently we have a 294 OSD (21 hosts/3 racks) cluster with RBD clients only, 1
single pool (size=3).
We want to divide this cluster into several
Well
I currently manage 27 nodes, over 9 clusters
There is some burden that you should considers
The easiest is : "what do we do when two smalls clusters, which grows
slowly, need more space"
With one cluster: buy a node, add it, done
With two clusters: buy two nodes, add them, done
This can be
Hi,
Hello,
Currently we have a 294 OSD (21 hosts/3 racks) cluster with RBD clients only, 1
single pool (size=3).
We want to divide this cluster into several to minimize the risk in case of
failure/crash.
For example, a cluster for the mail, another for the file servers, a test
cluster ...
Do
