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тАО06-10-2011 06:19 AM
тАО06-10-2011 06:19 AM
Network RAID10 - 2 node vs. 4 node?
The guests/initiators would be linux so there's no DSM MPIO and performance is the requirement over capacity.
Thanks,
Paul
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тАО06-10-2011 06:55 PM
тАО06-10-2011 06:55 PM
Re: Network RAID10 - 2 node vs. 4 node?
We have noticed VMware get very sluggish when we take one of our nodes offline on our two node clusters when they are heavily used.
When we take a node offline on our four node clusters, no one can tell it is offline.
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тАО06-14-2011 05:08 AM
тАО06-14-2011 05:08 AM
Re: Network RAID10 - 2 node vs. 4 node?
If my post was useful, clik on my KUDOS! "White Star" !
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тАО06-14-2011 08:48 PM
тАО06-14-2011 08:48 PM
Re: Network RAID10 - 2 node vs. 4 node?
Hence an acknowledgement needs to travel to and fro between the sites which in most cases is always higher than within the site.
This adds an additional latency.
So I would suggest 2 node 2 clusters for performance.
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тАО06-15-2011 12:03 AM
тАО06-15-2011 12:03 AM
Re: Network RAID10 - 2 node vs. 4 node?
I think HP recommend up to 4ms, buit this may slow down application response for writes.