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Vmware High Availibity & Microsoft Cluster

Hello

I am New to Clustering and HA, I have read some articles regarding this, but need to know what happens when we have a Cluster (Vmware / Windows) ? Server-1 has Multiple VMs like: Database / File Server / Mail Server.... etc. .....When Adding the Second Server to make a cluster, is VMs Replicated Automatically  or Should I do same installations on Server-2 ?

Thank you
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m_jundi
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m_jundi
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
VMware HA - is a licensed function, that when a Host ESXi server fails (power failure), VMs are restarted on the other Host ESXi server automatically, there is some VM downtime, whilst HA failover occurs, and VMs are restarted, e.g. less than 2 minutes on average.

VMware High Availability - Decrease Downtime and Reduce Risk

http://www.vmware.com/products/high-availability/overview.html

VMware High Availability (HA) Product Briefs

http://www.vmware.com/pdf/ha_datasheet.pdf
http://www.vmware.com/files/pdf/VMware-High-Availability-DS-EN.pdf

VMware HA needs to be licensed, and also configured.
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m_jundiAuthor Commented:
So You need to install ESXi on Both Nodes ? but install applications on first Server only ?

What to do if Oracle or SQL on VMs  / Or File Server Fully loaded of Data ?
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
For a VMware HA Cluster, you would need at least two ESXi nodes.

ESXi nodes host virtual machines.

VMware HA will restart virtual machines, what ever they have installed.
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