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

[Strahil]

Adding Gluster users' mail list.On Apr 5, 2019 06:02, Leo David <leoalex at gmail.com> wrote:
>
> Hi Everyone,
> Any thoughts on this ?
>
>
> On Wed, Apr 3, 2019, 17:02 Leo David <leoalex at gmail.com> 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
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