vm cluster

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Hello, been a while since i have posted considering the red text at the top of the page

Does anyone have any good links for information about using vm clusters on one server and have it replicate on to another live server in case the first server goes down?

edit: How can i change my member name?

 

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You're looking for Vmotion

That link should give you a wealth of information, and provide you with sources of further information

 

Thank you zeb

 

I think you need to PM SimonV for that

 

Actually vMotion will not fail over a server in the event of a physical failure
in fact vMotion is generally a manual intervention

There seems to be a bit of mix up in terminology here
what do you mean by VM Cluster?

do you mean a Microsoft Cluster running atop a VMware box? or a pool of ESX Hosts?

the former is a viable option and there are plenty of posts about it, NLB clusters can however cause issues

ESX Clusters use a combination of technology to provide resilience and load balancing

vMotion is the core technology, this is used to manually move live systems between ESX hosts so that individual hosts can be taken down for maintenance

VMWare HA is used to automatically restart guest servers if a host goes down, HA clusters are groups of ESX servers with spare capacity and shared storage
this allows the remaining hosts to restart guests that were on the failed host
hope that helps

VMWare DRS dynamically load balances guests on live running ESX hosts for the purposes of load balances and workload optimization