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VMWare Virtual Storage

Posted on 2013-01-28
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I currently have 2 ESXi 5 servers.  The first one has about 2TB of storage.  Teh other has about 1TB of storage.  Can I use vSphere storage Appliance or do the servers need to have teh same storage capacity?
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Question by:NytroZ
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LVL 123
ID: 38829133
You can use vSphere Storage Appliance. It helps if the storage is balanced between nodes.
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by:NytroZ
ID: 38829146
It is not balanced so what happens when the server with 2TB fails?  The server left standing only has 1 TB.  How does it handle that?
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Andrew Hancock (VMware vExpert / EE MVE^2) earned 2000 total points
ID: 38829155
check the requirements for VSA in the manual, the storage requirements need configured

http://pubs.vmware.com/vsphere-51/topic/com.vmware.ICbase/PDF/vsphere-storage-appliance-51-install-administration-guide.pdf

its recommended that you allocate the same storage capacity to both nodes.

vsa1 node has 1tb
vsa2 node has 1tb

both nodes can then be mirrored correctly

the cluster node is then has access to 1tb or mirrored san storage

if they were unbalanced, eg one had 1tb and one had 2tb, they could not be mirrorered!

the remaining 1tb can still be used by vms, but it would be a local datastore.

I would recommend upgrading and having both equal
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