[PVE-User] Ceph + ZFS?
elacunza at binovo.es
Thu Jun 2 15:29:08 CEST 2016
El 02/06/16 a las 14:49, Lindsay Mathieson escribió:
> On 2/06/2016 7:55 PM, Eneko Lacunza wrote:
>> I see also that Lindsay told you small ceph setups don't give good
>> performance; don't know about his experience, but mine is quite good.
>> We have 4 3-node clusters (with 3-10 VMs) with ceph and are very
>> happy with the performance. It is very important to choose the right
>> SSD for the journal.
> Yah, enterpise grade SSD is essential, and very expensive. Also Jeremy
> only has one disk per node, which just won't provide enough IOPS for
Well, it would give the same IOPS as those disks in local configuration,
right? (journal is on SSD...) :)
> Do you have barriers enabled for your ceph osd filesystem? my
> performance was ok until I (as recommended) did that.
We have it as per defaults in PVE 4.x . We just built a 3-node 6-OSD
cluster for 2 Windows VMs and another pair of Debian VMs and performance
is quite good for the resiliency/HA capabilities if offers to us.
Zuzendari Teknikoa / Director Técnico
Binovo IT Human Project, S.L.
Astigarraga bidea 2, planta 6 dcha., ofi. 3-2; 20180 Oiartzun (Gipuzkoa)
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