Maximum partition size

I have four 2TB hard drives connected to an Adaptec RAID Controller in a RAID-5 array.
In Windows Disk Manager this drive shows up as a partition (Drive E) of size 2048 GB and an unallocated portion of size 3532 GB.
Paragon Partition Manager shows by stand-alone hard disk with its two partitions as well as size and format information. The RAID disk shows up without any of this information and will not allow me to create a partion at all. The "Express Resize" manager does not even see the RAID disks.
I want a single logical disk of 5.44 TB (after RAID allocation and housekeeping on the four drives).
How can I do this?
Is Windows stopping me?
LVL 9
OrcbighterAsked:
Who is Participating?
I wear a lot of hats...

"The solutions and answers provided on Experts Exchange have been extremely helpful to me over the last few years. I wear a lot of hats - Developer, Database Administrator, Help Desk, etc., so I know a lot of things but not a lot about one thing. Experts Exchange gives me answers from people who do know a lot about one thing, in a easy to use platform." -Todd S.

OrcbighterAuthor Commented:
Addendum:
Image 1: Adaptec Storage Manager view of the disks
Image 2: View from within Paragon Partition Manager
Image 3: View from within Windows DiskManager

Adaptec.jpg
Paragon.jpg
WindowsManager.jpg
0
DavidPresidentCommented:
This is an operating system limit.  The max size of a BOOTABLE MBR formatted disk is 2.09TB.   If you configure a GPT formatted device, then you can make it as large as you want.    Also, you can only do this with 64-bit version of windows.

If you have 32-bit windows, then you are limited to 2.09TB no matter what.
0
yohanesbuleCommented:
agreed to dlethe, upgrade your windows version and get more from your hard drive.
0
Cloud Class® Course: Ruby Fundamentals

This course will introduce you to Ruby, as well as teach you about classes, methods, variables, data structures, loops, enumerable methods, and finishing touches.

Gary CaseRetiredCommented:
The comment r.e. requiring a 64-bit OS is WRONG.     Both Vista and Windows 7 can use GPT disks for data (neither can boot from a GPT disk unless the system is EFI rather than BIOS based).      It doesn't matter if you're using the 32-bit or 64-bit version.     Same is true for Windows Server 2003 and 2008 systems -- both 32-bit and 64-bit versions work fine with GPT;  but all require EFI systems to boot from a GPT volume.

The ONLY OS where you have to have the x64 version to use a GPT disk is XP.

To answer your two questions ["... How can I do this? "  and "... Is Windows stopping me? ], you need to note what OS are you using in this system?
0

Experts Exchange Solution brought to you by

Your issues matter to us.

Facing a tech roadblock? Get the help and guidance you need from experienced professionals who care. Ask your question anytime, anywhere, with no hassle.

Start your 7-day free trial
OrcbighterAuthor Commented:
I am using Windows Vista Ultimate x64 SP2.
However, I have the answer. Thanks garycase! I just converted the disk from MBR to GPT and hey-presto it worked, just like a bought one.
0
OrcbighterAuthor Commented:
The information on GPT volumes was exactly what I needed.
0
It's more than this solution.Get answers and train to solve all your tech problems - anytime, anywhere.Try it for free Edge Out The Competitionfor your dream job with proven skills and certifications.Get started today Stand Outas the employee with proven skills.Start learning today for free Move Your Career Forwardwith certification training in the latest technologies.Start your trial today
PC

From novice to tech pro — start learning today.