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

2019-04-05 Thread Strahil Nikolov
 At least , based on spec  I would prefer  LSI9265-8i as it supports hot spare, 
SSD support , cache and set it up in Raid 0 - but only in a replica 3 or 
replica 3 arbiter 1 volumes.
Best Regards,Strahil Nikolov

В петък, 5 април 2019 г., 9:20:57 ч. Гринуич+3, Leo David 
 написа:  
 
 Thank you Strahil for that.
On Fri, Apr 5, 2019, 06:45 Strahil  wrote:


Adding Gluster users' mail list.
On Apr 5, 2019 06:02, Leo David  wrote:

Hi Everyone,Any thoughts on this ?

On Wed, Apr 3, 2019, 17:02 Leo David  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/disk1node1/disk2  node2/disk2  node3/disk2and 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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[ovirt-users] Re: Controller recomandation - LSI2008/9265

2019-04-04 Thread Leo David
Thank you Strahil for that.

On Fri, Apr 5, 2019, 06:45 Strahil  wrote:

> Adding Gluster users' mail list.
> On Apr 5, 2019 06:02, Leo David  wrote:
>
> Hi Everyone,
> Any thoughts on this ?
>
>
> On Wed, Apr 3, 2019, 17:02 Leo David  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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[ovirt-users] Re: Controller recomandation - LSI2008/9265

2019-04-04 Thread Strahil
Adding Gluster users' mail list.On Apr 5, 2019 06:02, Leo David 
 wrote:
>
> Hi Everyone,
> Any thoughts on this ?
>
>
> On Wed, Apr 3, 2019, 17:02 Leo David  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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[ovirt-users] Re: Controller recomandation - LSI2008/9265

2019-04-04 Thread Leo David
Hi Everyone,
Any thoughts on this ?


On Wed, Apr 3, 2019, 17:02 Leo David  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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