GUID Partition Table (GPT) is a format for partition tables that was designed within the UEFI specification by Intel. It was designed as the successor to the Master Boot Record partition tables.

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Clone a Windows Installation to a 3TB Hard Drive; MBR to GPT

I have Windows 7 Professional 64-bit installed on my desktop. Unfortunately for me and my wallet my hard drive is failing. I have purchased a 3TB hard drive as a replacement for my current 2TB ...
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How to recover data from a GPT protective partition?

Can I get IMAC data back from a WD1600SJ HDD which shows as GPT protective partition in Disk Management?
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2answers
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Dual Boot Installing Ubuntu 12.04 with Windows 7 (64) on a non UEFI system fails

I cannot seem to install the correct boot loader for a non-UEFI firmware system. I'm trying to install Ubuntu 12.04 and Windows 7 (64) which are technically compatible with GPT but for windows only if ...
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1answer
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Should I configure my New RAID5 Drives as MBR or GPT?

I have a new RAID-5 Setup on a Server here at work. I have just created the RAID-5, and its size is a little over 2.7 TB. Now, Iknow that MBR does not support anything over 2.2 TB, however, I have ...
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extending a triple boot system: quad boot and beyond?

I have a working triple boot system using Refit, that is modeled closely after the steps detailed in https://help.ubuntu.com/community/MactelSupportTeam/AppleIntelInstallation, except that I'm using ...
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1answer
5k views

How to install Windows 7 64 bit on a second partition on a GPT style disk?

I'm trying to install Windows 7 64 bit on the second partition of my harddrive, but when I select the second partition in the installation process, I'm unable to install onto it because Windows ...
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Installing Windows 7 on Acer Aspire E1 471G

I have been trying to install Windows 7 all day with no success. At first, it said that the current system policy is blocking the DVD. I figured out that it was the Secure Boot and I disabled it. Now ...
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1answer
628 views

Does the 'mount' command rely on MBR to detect partitions, or can it use the GPT partition table?

TL:DR I have Mac, which means I have EFI and a GPT formatted disk with a hybrid MBR. I am considering adding a fifth partition; to do this, I will mask my first three GPT partitions with one ...
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2answers
767 views

Factory 2TB GPT disk with 16GB in unused partitions. Is this right?

I just received 4 SATA II Seagate Barracuda 2TB drives that I intend to use for various purposes. Looking at Vista's Disk Management utility I find that all 4 drives come from the factory as GPT disks ...
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1answer
620 views

Second time installation of Win7x64 on GPT fails

I installed windows 7 ultimate x64 on my GPT partition a while back and today I needed to format. The last time the installation was successful without any problems what so ever, but now (during ...
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1answer
326 views

MBR partition with more than 2 TB

Various sources (e.g. 1, 2, 3, 4) claim that hard drives using the MBR partitioning scheme are limited to a maximum partition size of approximately 2 TB, and that you need GPT to support larger ...
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791 views

How to fix a corrupted(too big) GPT?

So, I got a new SSD. I decided to use GPT instead of MBR on it, so I'm a bit lost. It ended up getting corrupted. I'm not for sure if the GPT just didn't take the host protected area into account, or ...
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1answer
118 views

Intel BOXDH77KC won't boot Linux GPT disk

To be complete, it won't get to grub without going through the boot menu - even if the disk is the only option in the boot menu. (It's annoying enough that I have to hit F10 every time I boot that I ...
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1answer
2k views

Running the same Windows both in KVM and physical

I have kind of an advanced question for you, I would like to install Windows on my hard drive (which is GPT formatted) but I would like to be also able to run it in KVM. To clarify, the same Windows ...
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215 views

Arch Linux on an external HDD GPT-Partitioned

I have an Alienware M14x-R1 and had an Arch Linux System installed on its 750Gb HDD, everything working fine, GPT-partitions (on BIOS, not EFI) and GRUB bootloader. Then I bought a new Corsair SSD, ...
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887 views

WD 3TB suddenly RAW formatted - but only whith seconardy Win7 install.%

After looking a bit on the web, I decided to take this problem here, in case somebody has already a solution, or to answer it myself, should I find the Answer. Setup is like this: ASUS Maximus V ...
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104 views

Disaster recovery for RAID and mdadm

I´m having a software raid 5 with 5 2TB members. After some work with gparted my RAID doesn´t work any more... How can I check the integrity of each member? What would be my options, if the partition ...
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3answers
939 views

Quad-booting a Macbook Pro?

I know that it is possible to tri-boot a Macbook Pro with OS X, Windows, and Linux, giving each OS one partition. However (and I know I am probably a little crazy for suggesting this), is it possible ...
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Will Windows 8 install on MBR?

So will Windows 8 install on a disk which is of partition scheme MBR? Also, can there be anything like MBR and UEFI? (Isn't it GPT + UEFI?) Do the First Generation of Intel Core (i3,i5,i7) support ...
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3answers
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Upgrading to UEFI / GPT / Windows 8

I've recently upgraded from Windows 7 / VMware to Windows8 / Hyper-V with my Dell M6600 and I'm really please with the result. I admit though I like to run the latest stuff so I was wondering is ...
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1answer
611 views

Data recovery after conversion from MBR to GPT

I have following situation: by accident I run diskpart clean, then convert to GPT against NTFS MBR disk to which I previously backed up all my data... No other actions were performed with this disk so ...
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3answers
5k views

Change partition map type without data loss

I have en external HD that I use with OS X. When I bought it, it was formatted for Windows (NTFS). I deleted the NTFS partition and created a new HFS+ partition. Then I copied 500 GB of material over. ...
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1answer
2k views

Unable to Boot Windows 7 after GPT/RAID migration

I recently did a migration off of a single hard disk to a RAID array. I backed up my partitions with Clonezilla and everything worked fine. I was able to then restore both my Windows 7 Bootloader and ...
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1answer
250 views

Deleted the GPT partition/ record

A friend of mine had GPT partition n his Lenovo laptop. While formatting the computer and reinstalling the OS, I wiped of all the partitions, and created 4 new partitions. Now after installing ...
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1answer
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How do you remove a hard drive's GPT Protective Partition without compromising its functionality?

I recently bought an Iomega NAS drive but I want to install my own operating system on it. I connected the hard drive to my computer with a SATA to USB casing but under disk management it says it is a ...
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Is Thermaltake BlacX eSATA Docking Station compatible with 3TB hard drives? [closed]

Is hard drive toaster such as Thermaltake BlacX eSATA Docking Station compatible with 3TB hard drives such as Western Digital Caviar Green 3 TB SATA III 64 MB Cache Bare/OEM Desktop Hard Drive?
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1answer
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Windows 8 EFI issue

I am trying to install windows 8 on laptop with Raid 0 (stripe) as second system and have following error: Windows can't be installed on drive 0 partition 6 (show details) Details says: Windows ...
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290 views

3 TB HDD won't reactivate

After doing a clean install of Windows 8 my Seagate 3 TB HDD won't reactivate in Disk Management. The two volumes are there but I can't use them for some reason. The drive was previously used with a ...
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2answers
9k views

Easiest way to use a > 2TB internal hard disk in Windows XP 32-bit?

I have an 3TB external disk and Windows XP 32 bit. It works as a USB 2 disk with its enclosure, but I want to use it as an internal SATA disk. I don't want to use it as a boot disk, only as a data ...
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2answers
884 views

Problems with Windows 7 + Windows Server 2008 R2 multibbot on EFI computer

We have a new computer, and I am a bit confused from its new features I don't know from older hardware. It is a high end PC based on socket 2011. I want to use an SSD disk for operating system, and I ...
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2answers
767 views

My new Intel X25-M G2 and the alignment thingy

I just bought a new SSD for my laptop, which is going to be a server running ArchLinux with grub2, GPT and btrfs. My layout should look like this: (grub-partition?) /boot ext2 75MB / btrfs ...
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How to remove redundant grub from a GPT hard drive?

I once installed Debian onto my hard drive with GPT so there is a grub on it. Recently I erased Debian and install Windows Server 2012. But the grub is still there (which can launch nothing and I am ...
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1answer
577 views

How to add unallocated space to a logical volume? using LVM

This is how my 2 TB (GPT) hard disk looks like sda1 1 MiB Bios_boot sda2 1024 GB LVM --- vg1 1024 GB --- lv1 24 GB ext4 lv2 1000 GB ext4 800 GB ...
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3answers
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OS X 10.6 Snow Leopard no longer mounting an external USB drive

I have a 1TB generic external hard drive containing a single HFS partition. I originally formatted this using Disk Utility and it worked fine. Now, for some reason, it's not auto-mounting when I start ...
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1answer
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Can't intall Win 7 64Bit. Something about GPT disk

I've got Asrock Z68 Extreme 3 Gen 3 with 2600k. It got the UEFI bios. I got 4 HDDs and I run them as AHCI setup. Now, I want to install Win7 64Bit over my Win7 32Bit. I boot up from the DVD, all goes ...
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Installing Windows 7 on UX31A's GPT disk

There are a lot of Windows/GPT-related questions out there, but from what I've been reading these past hours, I seem to be doing the right thing... except, well, obviously not. I'm trying to install ...
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Why does my 3TB hard disk fail to boot when I switch the controller from AHCI to RAID?

Why does my 3TB hard disk fail to boot when I switch the controller from AHCI to RAID? Something I have noticed: using diskpart while in the command prompt in disk recovery tools it says that the ...
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220 views

Why wont my computer boot from the logical raid volume while installing Windows 7

I have new computer I built the motherboard is an ASUS Sabertooth 990FX. The motherboard has UEFI instead of normal BIOS. The problem I have is when I try to install Windows 7 with my motherboards ...
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2answers
3k views

How to write to both GPT and MBR manually?

I have a big deal here. I have a MacBook with three partitions: HFS partition for Mac OS X 10.6 NTFS partition for Windows 7 64-Bit NTFS partition for my documents It thus works with both GPT and ...
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1answer
101 views

Why there is a partition type in GUID Partition Table?

Why there is a partition type in GUID Partition Table? What are they using for?
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1answer
1k views

What does the Boot Camp Assistant do to my drive that I can't just do with Disk Utility?

What I understand is that Windows 7 will not install on GPT (GUID Partition Table) drives. Of course, all new Macs have their drives partitioned that way, and when you run the boot camp assistant, it ...
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ASUS Recovery DVDs does not “INSTALL” windows

My ASUS R500VM has UEFI and GPT scheme disk. Earlier, I tried to resize the default partitions using EaseUS but it failed and couldn't boot anymore. It showed the message that I have to insert the ...
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2answers
8k views

Seagate 3TB ST3000DM001 hard drive not recognized by Linux, causes fdisk to hang

I'm running Kubuntu 12.04. I have a brand new, never used Seagate 3TB ST3000DM001 hard drive. It's an internal drive. I installed it in a USB enclosure. When I connect it to my PC, nothing happens ...
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3k views

Change GPT parition number

I have a 2TB GPT drive that for some reason is mounted as /dev/sdc2. I would prefer all my data drives to be mounted as /dev/sd*1. If I use sudo parted /dev/sdc print I get: Model: ATA WDC ...
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How to fix my GPT and MBR (hybrid)?

I was trying to create a triple boot (Ubuntu, OS X and Windows), so I used VirtualBox to install Windows 8 (Consumer Preview) to a real (FAT at the time) partition, so it wouldn't have access to my ...
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1answer
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3TB Seagate hard drive shows 249GB free when installed

my new seagate sata drive keeps showing as a 249gb drive but in the setup part when i press del at the boot up it states there a 3000gb drive and i have searched for a solution but havent found one ...
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3TB Drive doesn't always show up initialized in USB3 Dock

Have a perfectly fine 3TB GPT drive which shows up in most of our machines when direct connected and often in docks. But, we've used it in a few new USB3 docks and sometimes it will show up as ...
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3answers
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Cannot use more than 746GB on 3TB Drive that is reporting 2TB free

Related: Tried to use my 3TB drive in a USB enclosure, now reports only 746GB even internally I originally solved the problem in the link above by deleting the partition table using GParted ...
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143 views

Getting rid of a GPT signature without touching MBR [duplicate]

Possible Duplicate: GParted errors on MBR Disk, Claims it's GPT. (It's mistaken, but why?) I have a disk that seems to contain both an MBR and a GPT. When trying to access the ...
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1answer
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How to install Windows 7 x64 on GPT?

How can I install Windows 7 x64 on GUID partition table? My motherboard has UEFI. I tried using Ubuntu to create the GPT and NTFS partition on it, but Windows 7 just says Windows cannot be ...