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Western Digital 3 TB USB External - Only 2 TB Showing

post #1 of 6
Thread Starter 
I have a WD30EZRX 3 TB Green, 5,400 rpm for external storage in an external Rosewell Enclosure http://www.newegg.com/Product/Product.aspx?Item=N82E16817173043

Yep, I checked before I purchased this enclosure. It can handle 3 TB HDD's.

Also, ASUS Crosshair V Motherboard with AMD 6 core CPU

Attached is a snippet of my latest failure using the Acronis WD Alignment Tool. As you can see, in Disk Management I only have control over the 2TB portion of the 3TB disk. I can do nothing with the "Unallocated" portion.

It seems that all I can do, with or without the useless Acronis WD Alignment Tool, is initialize and control the 2 TB portion.

I have many, many WD HDD's but this is the first 3 TB drive. My 2 TB drives give me no problem cause Win 7 64 bit Ultimate likes 2 TB's.

What to do? wave2.gif WD 3TB Problem.PNG 142k .PNG file
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post #2 of 6

You have to partition using the GPT partition table. You should find a part on it in the last link in my sig.

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post #3 of 6
The last TB was Partitioned and hidden you need to look at it through your Hard drive viewer and find where that partition went. And then allocate it back to it's main partition. CMD has some useful commands!

(Listdisk specifically)
post #4 of 6
Quote:
Originally Posted by nvidiaftw12 View Post

You have to partition using the GPT partition table. You should find a part on it in the last link in my sig.

this^ and some more info as to why you need to mount the drive as GPT instead of MBR
http://windowstipoftheday.blogspot.com/2011/04/windows-7-3tb-hard-drives-and-larger.html
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post #5 of 6
Thread Starter 
Geez, I really, really feel like a complete idiot. I had always assume GPT was the old format and MBR the new.

I'll try what you guys suggested and report back, hopefully with my success. wink.gif

Btw, Stubass, great moniker and cute kid.

*****************************
Mission Accomplished. thumb.gif

So simple. I just converted the disk to GPT in Computer Management and now all 3 TB is recognized.

Thanks to all for not telling me what a simpleton I am. redface.gif
Edited by incurablegeek - 11/17/12 at 2:13pm
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post #6 of 6
Quote:
Originally Posted by incurablegeek View Post

Geez, I really, really feel like a complete idiot. I had always assume GPT was the old format and MBR the new.

I'll try what you guys suggested and report back, hopefully with my success. wink.gif

Btw, Stubass, great moniker and cute kid.

yep it should do the trick for you..

thanks for the comment on my son, he may be cute but he is a little devil lol biggrin.gif
Going to be chaep
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Wife's Rig
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CPUMotherboardGraphicsRAM
i7-3770k Gigabyte GA-Z77X-UP5 TH MSI GTX460 G.Skill TridentX 2400 2 x 4GB 
Hard DriveHard DriveOptical DriveCooling
Plextor M5p 128GB 2 x WD 500GB Blues LG Prolimatech Megahalems Rev C 
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Arctic F12 CO PWM x 2 Push/Pull Windows 7 64 bit Ultimate LG IPS235V Corsair AX850 
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Coolermaster HAF 912 advanced (Asia version) 
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Win 7 ultimate Samsung Syncmaster 932gwe+ OCZ ZT series 550W Coolermaster 410 
CPUMotherboardRAMHard Drive
1.67Ghz Atom stock 1GB DDR2 2 x 500GB Western Digital Cavier Blacks [RAID 1] 
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stock DSM3.2 [built on linux] stock stock 
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Synology DX510 Expansion unit 5 x 1TB WD Cavier Blacks in a RAID 6 
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Going to be chaep
(16 items)
 
Wife's Rig
(12 items)
 
 
CPUMotherboardGraphicsRAM
i7-3770k Gigabyte GA-Z77X-UP5 TH MSI GTX460 G.Skill TridentX 2400 2 x 4GB 
Hard DriveHard DriveOptical DriveCooling
Plextor M5p 128GB 2 x WD 500GB Blues LG Prolimatech Megahalems Rev C 
CoolingOSMonitorPower
Arctic F12 CO PWM x 2 Push/Pull Windows 7 64 bit Ultimate LG IPS235V Corsair AX850 
Case
Coolermaster HAF 912 advanced (Asia version) 
CPUMotherboardGraphicsRAM
I5-3570K Gigabyte Z68X-UD3H-B3 Inno3D Ichill GTX660 8GB G.Skill RipjawsX 1600 
Hard DriveHard DriveOptical DriveCooling
Samsung 830 128GB WD black 500GB Liteon Coolermaster Hyper 212+ EVO 
OSMonitorPowerCase
Win 7 ultimate Samsung Syncmaster 932gwe+ OCZ ZT series 550W Coolermaster 410 
CPUMotherboardRAMHard Drive
1.67Ghz Atom stock 1GB DDR2 2 x 500GB Western Digital Cavier Blacks [RAID 1] 
CoolingOSPowerCase
stock DSM3.2 [built on linux] stock stock 
OtherOther
Synology DX510 Expansion unit 5 x 1TB WD Cavier Blacks in a RAID 6 
  hide details  
Reply
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