Dear Sirs
Please advise , we are installing Dell XC 6320, where all network card are 10G (4x10G) and we used 2x10g for all the traffic (which is our test and development cluster) , we have total 8 nodes in the cluster. Someone is now telling us that the best practice is to use another 10G netowkr card for CVM traffic , as the CVM traffic in Nutanix is very heavy,which should not mix with production network card, Is that true , i have gone thru the previous posts and sure that 2x10G is fine for all Nutanix traffic, for my knoledge is the Nutanix CVM traffice is that heavy between nodes ? your reply is much appreciated.
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Userlevel 6
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- Nutanix Employee
- 569 replies
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14 December 2016
Who is telling you that the Nutanix traffic is heavy?
Almost all of our ~4000+ customers, with few exceptions, are running 2x10G, and life is all good.
That said, Everyones requirements are different, but in the majority of Nutanix clusters, Traffic is actually pretty lightweight, due to data locality, even in very, very very large clusters.
This is because most, if not all, reads are local, meaning that read traffic doesn't hit the network, and at least one copy of all writes is local, so even if you're running RF2, half the traffic isn't hitting the network.
I've never seen a customer actually require a full 2x10G links for Nutanix, out side of lab and qualification testing we do internally where we can saturate the links.
Almost all of our ~4000+ customers, with few exceptions, are running 2x10G, and life is all good.
That said, Everyones requirements are different, but in the majority of Nutanix clusters, Traffic is actually pretty lightweight, due to data locality, even in very, very very large clusters.
This is because most, if not all, reads are local, meaning that read traffic doesn't hit the network, and at least one copy of all writes is local, so even if you're running RF2, half the traffic isn't hitting the network.
I've never seen a customer actually require a full 2x10G links for Nutanix, out side of lab and qualification testing we do internally where we can saturate the links.
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