Add New Datastore ESX 5.1.0 Using vSphere Client

I have created a new Volume on our SAN, and am having an issue figuring out how to get it to show up in the vSphere Client for me to create Virtual Machines on. When I go to Configuration, Storage, and Add Storage the newly created volume on the SAN does not show (See Attached). I have to be missing something simple, but just can't lay a finger on it. Any help would be greatly appreciated.

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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
I notice that you already have three datastores, presented from your Equallogic SAN.

Can you check under Storage Adaptors, here Host > Configuration > Storage Adaptors > iSCSI Software Adaptor.

Do you have all the LUNs presented here ?
justinmoore14Author Commented:

Thank you for replying so quickly.

That was exactly what my issue was. It only showed the first three. I added the fourth and rescanned, and it added the fourth LUN. Then I was able to add the datastore, and add the new VM, etc...

I went to the second Host and repeated the steps. However, I have hit a snag with this one. When I go to iSCSI Software Adapter, Properties, and then click on Static Discovery Tab all four locations show correctly. When I close that window it ask if I would like to re-scan. I said yes, however once that finishes the fourth LUN does not get added at the bottom with the other three, and thus I cannot add the new datastore to this host. Any ideas?
Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
When you created the LUNs on the Equallogic SAN, did you make sure, you ticked the box, which said Concurrent Access from multiple hosts.

and also added all the LUNs, into the same permissions, so they could be access by ALL hosts.

If these are already defined datastores, they should appear, as VMFS datastores.

Are all LUNs present, just datastores missing?

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justinmoore14Author Commented:
I went back to the SAN and checked that setting, and sure enough I missed checking the "Concurrent Access from Multiple Host" box. Once I did that; I re-scanned again, and it picked up the 4th LUN, and finished adding the DataStore to that second host.

I appreciate all of your time, and help. Hope you have a nice rest of the week.

Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
no problems, and you.
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