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Setting up a microsoft cluster 2008 and identifying requirements in terms of datastores.

Posted on 2013-06-20
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Hi guys, I hope you are all well and can assist.

Guys I want to set up a 2008 microsoft cluster, and at the first steps.

Im trying to understand what I need to do in terms of shared disk storage and what I can and cannot do.

If I have a datastore that is being used by lots of virtual machines to store their disk files, can I use this SAME datastore as a shared disk for a cluster?

Or

Do I need to create a new datastore that is to be exclusively used by a cluster?

Any help on this greatly appreciated.
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Question by:Simon336697
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djsharma earned 668 total points
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by:Simon336697
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Hi djsharma,

Thanks for the links.

I will look through this information, but I need a rather quick answer for testing purposes.

The crux of what i am trying to find out is below...

Scenario:

Let's say there are 5 vms all using DATASTORE 1.
Now, I create another 2 vms that I wish to cluster.
For these 2 vms, I want to know if I can use DATASTORE 1 as a shared disk for clustering WITHOUT impacting the other vms on this datastore, or whether I have to create a new datastore and just have the 2 clustered vms access it without any other vms?

I just dont want to destroy any other vms by pointing the 2 new clustered vms to a datastore that is already being used by other existing vms.

I hope this makes sense.
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by:Andrew Hancock (VMware vExpert / EE MVE^2)
Andrew Hancock (VMware vExpert / EE MVE^2) earned 1332 total points
ID: 39265117
Create a new datastore for Cluster use with Microsoft Failover Clustering.

The other datastore with VMs stored on it, how are these accessed by VMware Hosts or Microsoft Hosts?
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Nothing ever in the clear!

This technical paper will help you implement VMware’s VM encryption as well as implement Veeam encryption which together will achieve the nothing ever in the clear goal. If a bad guy steals VMs, backups or traffic they get nothing.

 
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by:Simon336697
ID: 39270098
Hi hanccocka,
Theybare accessed by VMware hosts and vms.
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by:Andrew Hancock (VMware vExpert / EE MVE^2)
Andrew Hancock (VMware vExpert / EE MVE^2) earned 1332 total points
ID: 39270484
In that case *DO NOT* under any circumstances add them to a Windows Server.

Windows and ESX hosts access the same datastore is a disaster, and will cause corruption, you will need to create new LUNs on the SAN.
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by:Simon336697
ID: 39384799
Thanks everyone.
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