Question

server 2008 Clustering

Asked by: smantz

I want setup two host servers running server 2008R2 Virtual services. Each server will at least two VM's running server2003 as the guest OS's.  I want to cluster these host's for HA.  I have an Iscsi SAN to run the VM OS and Data drives. IS there an issue running different guest OS's and being able to provide cluster services?  Are just the host OS's clustered?
I've read literature on these but am unclear on what can and can't be clustered.
SM

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Asked On
2009-10-04 at 16:59:31ID24784230
Topics

Windows Server 2008

,

Hyper-V

Participating Experts
1
Points
500
Comments
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Answers

 

by: plimpiasPosted on 2009-10-04 at 18:32:57ID: 25491854

Basically you run the clustering validation tool and create a cluster. Once you make Hyper-v one of the cluster aware services. Best practice if you have data drives within the VMs is to leave that as is.

So you have 4 VMs you would create 4 different LUNS on your SAN and assign them to the servers using ISCSI. you move each VM to one LUN and the make the VM highly available.

So lets say you have an exchange server currently on the D drive which is the physicaly drive. and within the VM you have a ISCSI connection to another LUN. You would create another LUN on the SAN and assign it to both servers. THen you would move the exchange server VHD drives to the new lun you create and then make it highly available. It does not matter what you are running in regards to the Guest OS. The only thing is that when you move a VM from one host to another it will put the VM in save state, so if you are running a linux VM that doesn't support integration services it cannot put it in save state so it will shut it down when you move it. other than that it will work just fine regardless of the type of guest OS you are running.

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