[ceph-users] Small cluster for VMs hosting
elacunza at binovo.es
Tue Nov 7 05:45:47 PST 2017
El 07/11/17 a las 14:16, Gandalf Corvotempesta escribió:
> Hi to all
> I've been far from ceph from a couple of years (CephFS was still unstable)
> I would like to test it again, some questions for a production cluster
> for VMs hosting:
> 1. Is CephFS stable?
> 2. Can I spin up a 3 nodes cluster with mons, MDS and osds on the same
> 3. Hardware suggestions?
Depends on your load. :-)
> 4. How can I understand the ceph health status output, in details?
> I've not seen any docs about this
I think it is quite self-explanatory when you know how works Ceph. Don't
run Ceph if you don't understand it :) Hell don't plan a Ceph deployment
before understanding it either (reading this list can help too, look at
> 5. How can I know if cluster is fully synced or if any background
> operation (scrubbing, replication, ...) Is running?
Looking at the health status output.
> 6. Is 10G Ethernet mandatory? Currently I only have 4 gigabit nic (2
> for public traffic, 2 for cluster traffic)
It is not mandatory, I administer 4 3-node clusters and all have 1gbit NICs.
Zuzendari Teknikoa / Director Técnico
Binovo IT Human Project, S.L.
Astigarraga bidea 2, 2º izq. oficina 11; 20180 Oiartzun (Gipuzkoa)
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