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Windows 7: Raid 0 - 4 TB setup - Windows 7 install

22 Jun 2012   #1

Windows 7 - 64 bit
Raid 0 - 4 TB setup - Windows 7 install

I can get all the hardware specs in a moment, I wanted to throw this question out and see if I get a quick solution.

Don't ask me why, I have a specific purpose to my setup. I just need help installing Windows 7 - 64 bit.

Just built a computer. I made two 2TB harddrives Raid 0 (don't ask). When I go into windows I get errors from "can't install windows here." Is there something simple I am overlooking?

My System SpecsSystem Spec
22 Jun 2012   #2

Windows 7 Ultimate x64

Unless you have a new EFI based motherboard, I don't think you can boot from a drive greater than 2TB in size.
My System SpecsSystem Spec
22 Jun 2012   #3

Windows 8.1 Pro RTM x64

Hi abelltx and welcome to W7 Forums

W7 cannot install on a disk that is greater than 2TB in capacity, unless such disks are set up as EFI. A BIOS based system does not support EFI.

See How to Break the 2TB (2 TeraByte) File System Limit |
My System SpecsSystem Spec

22 Jun 2012   #4

Windows 7 - 64 bit

ASUS M5A97 AM3+ AMD 970 SATA 6Gb/s USB 3.0 ATX AMD Motherboard with UEFI BIOS

HGST Deskstar H3IK20003272SP (0S02861) 2TB 7200 RPM SATA 6.0Gb/s 3.5" Internal Hard Drive x2

I just checked and I do have EFI...

I guess what I am confused now is diskpart, I have never seen it before. How should I setup the partitions for 4TB?
My System SpecsSystem Spec
22 Jun 2012   #5

Windows 7 - 64 bit

Real fast. I don't care to have a 4TB partition, if I could just create a boot partition of 500 GBs and then have 3.5TB to work with on a RAID 0. I would be happy.
My System SpecsSystem Spec
22 Jun 2012   #6

Windows 7 - 64 bit

Okay, so I think I got everything figured out. But now when Windows install has a restart it just sits there blinking with a white cursor.
My System SpecsSystem Spec
22 Jun 2012   #7

Windows 7 Pro X64 SP1

Drives (or RAID arrays) larger than 2GB have to be set up as GPT. A GPT drive (or array) can only boot Windows 7 if the PC uses EFI rather than a traditional BIOS.

Help with installation:

UEFI (Unified Extensible Firmware Interface) - Install Windows 7 with

(I'm not sure this is the best advice if you need custom partitions, but it may help.)

Do you need to install RAID drivers during the Windows installation? (Not a rhetorical question.)
My System SpecsSystem Spec

 Raid 0 - 4 TB setup - Windows 7 install

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