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How to create a larger volume(>2TB) in a 32 bit windows server

Publication Date:  2013-09-12 Views:  49 Downloads:  0
Issue Description
For 32bit windows server, default maximum volume size is 2TB. If you have a LUN larger that 2TB, you cannot format it successfully.
Alarm Information
For 32bit windows server, default maximum volume size is 2TB. If you have a LUN larger that 2TB, you cannot format it successfully.
Handling Process

It’s highly suggested that you change to a 64bit windows server to use your LUN. However, if you still want to use it in a 32bit windows server. You can do as following:

When you format the LUN, choose a larger “Allocation unit size” just as following picture shows, then you can successfully format the LUN and use it.



Root Cause
For 32bit windows server, the default max volume size is 2TB.
Suggestions
Here is the Microsoft documentation about 32bit OS limitation, please refer it for more details:

http://technet.microsoft.com/en-us/library/cc773268(WS.10).aspx

END