Deploy VMware vSphere More Than 1 Site

[Pound]

Hi,

Now, we are running VMware vSphere 4 on 4 servers in IDC. All servers are in same cluster. This site has 1 VMware vCenter Server. We will add another 1 cluster (4 servers) on another site. We will have 1 Mbps link between site. I am not sure that we do need to deploy additional 1 VMware vCenter Server on second site. Can anyone suggest on this?

Thank you,

Teeravee Sirinapasawasdee

[aCrazyPenguin]

Hi

Technically as long as routing is available you should be able to add the second site hosts in to your primary site vCenter.. however, a 1Mbps link is very low bandwidth and you may experience hosts dropping out of vCenter management.

You wont be able to vMotion or svMotion across this link.

Personally I would setup another vCenter at Site 2 and link it in to your primary vCenter in linked mode.

Regards

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a CraZy PeNguIn

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[Pound]

Hi aCrazyPenguin,

How many bandwidth size to be enough for this situation if I don't want to set up new vCenter on second site?

Cheers,

T.S.

[AntonVZhbankov]

I suppose 1 Mbps is enough actually, it all comes to latency and channel stability.

And for VMotion you will need at least 622 Mbps with 5 ms latency.

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MCSA, MCTS, VCP, VMware vExpert '2009

http://blog.vadmin.ru

[conyards]

Pound,

I guess another element that you need to consider is what is the function of the second site? Is it for business continuity? Does it need to have the ability to stand on its own should site a go offline? Similarly is it just test/dev, in which case outages are not a problem.

Just wondering.

Simon