[ovirt-users] Re: Controller recomandation - LSI2008/9265

Hi Everyone, Any thoughts on this ? On Wed, Apr 3, 2019, 17:02 Leo David <leoalex(a)gmail.com&gt; wrote: > > Hi Everyone, > For a hyperconverged setup started with 3 nodes and going up in time up to 12 nodes, I have to choose between LSI2008 ( jbod ) and LSI9265 (raid). > Perc h710 ( raid ) might be an option too, but on a different chassis. > There will not be many disk installed on each node, so the replication will be replica 3 replicated-distribute volumes across the nodes as: > node1/disk1  node2/disk1  node3/disk1 > node1/disk2  node2/disk2  node3/disk2 > and so on... > As i will add nodes to the cluster ,  I intend expand the volumes using the same rule. > What would it be a better way,  to used jbod cards ( no cache ) or raid card and create raid0 arrays ( one for each disk ) and therefore have a bit of raid cache ( 512Mb ) ? > Is raid caching a benefit to have it underneath ovirt/gluster as long as I go for "Jbod"  installation anyway ? > Thank you very much ! > -- > Best regards, Leo David