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I have a vCenter setup with 2 esxi hosts. Both hosts (dedicated servers) have their own datastore (vmfs) connected to their harddrives.

I'd now like to setup a datastore cluster, however the setup is complaining about both hosts not being able to see each other's datastore.

Is there a way I can mount both datastores so that both hosts can access it? Or do I need a separate dedicated server with its own harddrive and share it across the network (nfs)?

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What VMware license level do you have? –  ewwhite Jun 13 '13 at 13:45
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up vote 3 down vote accepted

Datastore clustering is a feature intended for use with Storage DRS. All hosts need to be able to see al datastores in a datastore cluster. What you're doing with local disk is not compatible.

Note the "All Hosts Connected" status below... enter image description here

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Ok, so I should set up an NFS server to achieve what I want. Thanks! –  Jochen Jun 13 '13 at 13:54
    
Or a iSCSI server or any other way to let think your hosts that drives are network attached devices. StorageDRS and Datastores aggregate are not allowed for local hard drive. –  Dr I Jun 13 '13 at 15:14
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