Are there any available unused LUNs? If you delete an existing datastore that's empty to add to this one, it may take a little bit of time before it'll show up.
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That might be a limitation of ESXi 4. We're running 5:
http://imageshack.us/a/img706/4779/ta87.jpg
I'm not our VMWare admin anymore but when I was these same data stores were in use. I'll ask our current one if he knows anything about a 2 TB limit.
It's a limitation on VMFS.
Run VMFS5 and you don't have the 2tb restriction.
Hard cap, so you can grow UP TO 2tb.
Extents would have worked fine if you were 1tb+1tb
D'oh completely missed that you're still on 4.x. Sorry about that.
You'll probably just want to split out drives then. DBs on F:, TLogs on G:, backups on H:, that kind of thing, and just spread out the VMDKs where you have space. No other good answer I guess.
Hmm, I was able to get my datastore to 4tb with 2 extents. Are you saying this will not work?
VMware is so damn complicated. I got the OS installed (windows server 2008) and it is only recognizing 256g of my datastore, I also had to reinstall after I shut down the VM. I understand why this is a full time, high paying position in the IT field.
sorry, but you have to upgrade...vmfs5 will fix your problem.
My really good friend George was the Chief cloud executive for VMware for many years, I could ask him if you can't figure it out.
I was looking at the Maximums for 5.1 and if I had time was going to pull up 4's also - didn't have time. I didn't suggest this as I'm uncertain about my knowledge level now after blowing the test. Happy to see I was on the right track after all.