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xybal
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different machines in a farm

Hi,

I've read somewhere on a forum that it could have crash of an ESX farm in the case of this one would be constituted of different machine (eg: Dell / HP or HP DL380 G4 / DL380 G5 etc ...).

Is it only a speculation or is there some infos about it ?

Thx

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weinstein5
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better word yhan same is compatible - same family,manufacturer etc but can be different freq., cores, cache size etc

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alanrenouf
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The different server models do not really make a difference per say, its more to do with the processors inside the servers, I think what you have read is that the processor architecture of these servers must be the same, this is because vmotion will move running virtual machines from one physical server to another with a fraction of a second communication loss, it can only do this if processor architectures on the machine are the same.

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Alan Renouf

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Blog: http://virtu-al.net Twitter: http://twitter.com/alanrenouf Co-author of the PowerCLI Book: http://powerclibook.com
AntonVZhbankov
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Server models and even vendors makes no diffrence at all. The only recommendation is to have the same CPUs in each server for VMotion, but it can be softened by masking, as the CPU is the only non-virtualized resource. If you do not need VMotion, you can have any CPUs as far as they are supported by ESX and virtual machines can work with them.

Yes, it's recommended to use the same server model for all the servers in the farm just to simplify hardware support by your distibutor and vendor. It's simplier to work with one company for all the questions instead have different contacts for each server.

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weinstein5
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As the others have indicated it is not the server that causes an issue but cpu comparability and this is only when you VMotion - so if you do not VMotion they can exists in the sane datacenter

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xybal
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Hi,

Thx you were very clear but vhen you say "same CPU" it's to be the same model at the same frequency ? or just same model and not necessary same frequency ?

Seeing your answers it seems to be same model and same frequency doesn't it ?

THX

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weinstein5
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better word yhan same is compatible - same family,manufacturer etc but can be different freq., cores, cache size etc

If you find this or any other answer useful please consider awarding points by marking the answer correct or helpful
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