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Is it possible to get 2TB+ Windows drive using VMFS5?

Posted on 2013-05-31
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Last Modified: 2013-05-31
Hi

We have the need to expand a 2TB drive (as seen in Windows) up to about 3TB.

We are using a P2000 and I expanded the relevant volume, and then went to extend the datastore in VMWare (5.1) but its capped at 2.00TB.

Reading this link it says VMFS5 is capped at 2TB -512B

http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1003565

However when creating a new Datastore and choosing File System Version it says VMFS-5
"Select this option to enable additional capabilities, such as 2TB+ support."

So can I get 2TB+ or not? If so, how??
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Question by:bikerhong
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Andrew Hancock (VMware vExpert / EE MVE^2) earned 500 total points
ID: 39210280
Correct, the Maximum size virtual machine disk (VMDK) is 2TB-512 bytes.

Try not to get consused between virtual machine disk size which max is 2TB-512 bytes (vmdks's) and datastore size, which used to be limited to 2TB-512 bytes, but now datastores can be larger than 2TB-512bytes using VMFS-5 and 1MB block size.

A few options for you to consider.

1. Use a RAW LUN (RDM) supported for VM disks over 2TB.
2. Use Micrsoft iSCSI Initiator in the VM to connect to the LUN on SAN, supported for VM disks above 2TB.
3. Add another 1TB virtual machine disk (vmdk) to the VM, and then use the SPAN disk option in disk management, to give you a 3TB disk.
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by:bikerhong
ID: 39210297
Cheers!
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