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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Make UEFI, GPT, Bootloader, SSD, USB, Linux and Windows work together

I like to use the latest hardware and the latest software; thus I have a Laptop (Lenovo X220) with UEFI instead of BIOS an SSD instead of an HDD GPT partitioning scheme instead of MBR USB to boot ...
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What are the differences between MBR vs GPT vs any other partition scheme?

Can anyone tell me what the main differences between i.e. MBR vs GPT or any other partition scheme are? Why would one choose one over the other? I am not an expert but from new release of Mac OS X ...
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Is there any way to boot Windows 7/8 using BIOS on GPT?

I'd like to know if there's a method to get Windows 7 or Windows 8 Developer Preview to install to a GPT disk on my traditional IBM PC BIOS setup. Windows 7, of course, rejects my GPT partition, ...
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Clean install of Windows 7 Pro 64-bit on a UEFI with GPT laptop?

I’m currently pulling out hairs about a problem with my wife’s new Samsung Book 9 laptop. it comes preinstalled with Windows 8. She wants Windows 7 Pro. I’ve board a Windows 7 Pro 64-bit for her and ...
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717 views

Seeking (somewhat) better explanations about supporting >2 TB hard drives

Today while Googling about I stumbled across posts claiming that Seagate plans to ship a 3TB drive sometime later in 2010. Unfortunately, the stuff I looked at all seemed to contain tidbits of info ...
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Tools to convert GPT to MBR without access to an OS

I wiped my Windows 8 thinking I could install Win7 x86 but I can't because the disk is GPT. I need to convert to MBR. Is there a tool to do that? Maybe I wrong: but it seems like GParted can only do ...
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1answer
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Windows detects GPT disk as MBR in EFI boot

This disk is OCZ VERTEX 128GB SSD. It is formatted as GPT from OSX. The disk layout is, /dev/disk1 #: TYPE NAME SIZE IDENTIFIER 0: ...
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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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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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Win8x64, after format/upgrade from Win7x86, “GPT Protective Partition” on secondary drive

I backed up all important data prior to formatting the C: drive, but I cannot read the backup drive after reinstalling Windows. More details provided after the screenshots. Additionally As you ...
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Free program to clone 3TB hard drive to another one with USB3 support in Windows 7?

All I'm trying to do is clone one WD 3TB GPT drive to another identical drive. One is internal, one is attached with a USB 3.0 dock. I'm copying from internal to external drive. Macrium Reflect ...
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Intel Mac can't have more than 4 partitions?

I've read everywhere that you can't have more than 4 partitions because of GPT on intel Macs. But what happens if you make more than 4? On my iMac I have EFI, Macintosh HD, Windows, Linux, and Linux ...
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Tried to use my 3TB drive in a USB enclosure, now reports only 746GB even internally

I have two 3TB Hitachi 5k3000 Desktar drives that I want to use as data drives, not boot drives. When I was originally trying to install them I wanted to mirror them using my hardware raid but I ...
5
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3answers
854 views

Can only see 1.6 tb with an 4 x 4tb raid 0

Im trying to have window see my raid 0 array. Please also note that I did research on google before coming on here. Ok so i just bought a z87-deluxe Dual and trying to set 4 x 4tb drive in a raid 0 ...
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2answers
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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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Windows (using UEFI boot on GPT disk) will no longer boot after adding an MBR hard disk

I have recently installed Windows 7 64 bit on a new SSD using UEFI boot and GPT. The system worked fine. After adding my old system HD to the system (that uses MBR), Windows will no longer boot ...
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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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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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windows cannot be installed on this disk. The selected disk is of the GPT partition style. Windows 8.1

I have a ASUS R500A notebook.Original OS is Windows 7 64bit.Few days ago I tried to Install Windows 8.1 64 bit version.But it failed & error message is, windows cannot be installed on this ...
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Windows on a hybrid MBR/GPT

I thought I'd finally relegated Windows to life inside a virtual machine, but alas, I came across some games I'd like to play that just won't do in that setup. In the days since Windows last occupied ...
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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 ...
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Is GPT aligned for 4k blocks?

The Wikipedia article for GUID Partition Table does not make it clear whether it is aligned to an underlying 4k-block filesystem. Seeing as the diagram shows the first block of the data sector as ...
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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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Windows 8 deployment from USB

My goal is to deploy Windows 8 via USB to several computers. The systems I'm working with have come with GPT parted HD's. I have set up one the way I'd like it, sysprepped and captured the ...
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Convert a GPT disk to MBR from XP

So I took some files with me on my external HDD while going on vacation. Through a series of events, I ended up storing the data in a NTFS formatted partition defined in a GUID Partition Table. The ...
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1answer
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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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1answer
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Windows 8 Pro 64 bit GPT Protective Partition after restart

Note: I thought I had one problem regarding this topic, but that has since evolved. Below is the pared down version. After some problems, restarts, and a complete reinstall of Windows 8, my WD 3TB ...
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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 ...
3
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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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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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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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GParted errors on MBR Disk, Claims it's GPT. (It's mistaken, but why?)

It's very tempting for me to go on a rant here about GParted and Linux, but I'll do my best to avoid it. :) Question: Why does GParted claim that my disk is corrupted and GPT, whereas the Disk ...
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1answer
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How can I format a drive using the GPT format on OS X?

How can I format a drive using the GPT format on OS X? I don't see this option in Disk Tools.
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Why does the boot partition under a BIOS-GPT configuration need to be 1007KiB?

Reference: https://wiki.archlinux.org/index.php/GRUB#GUID_Partition_Table_.28GPT.29_specific_instructions Other sources may refer 1MiB for it, but I'm really curious about this Magic Number. Why not ...
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2TB external drive, disk initialization: MBR or GPT

I just bought a new 2TB disk drive I plan to use as an external drive (connected via eSATA). When I started my computer it recognized the drive fine, but when I got into the Disk Management, a popup ...
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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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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 ...
3
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2answers
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what is difference between gpt partition and mbr partition and where structure differs?

Where GPT table using and MBR partition table using. Windows 8 installing and booting in UEFI mode so it is supporting GPT partition style so we can create 128 primary partitions using windows8? can ...
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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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Live resize of a GPT partition on Linux

On Linux I used to resize MBR partitions using fdisk, even on live filesystems, and then issue a resize2fs/pvresize/... (depending on fs type) to get the new space allocated. Lately I've been using ...
2
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1answer
427 views

Accidently put BtrFS on plain device - how to revert?

On a fresh hard disk, I created a GPT partition table with three partitions: /dev/sdd1 256M for /boot /dev/sdd2 8G for swap /dev/sdd3 ~1T for / Then, I accidently formatted the raw device ...
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4answers
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EFI GPT Windows 7 boot-loader/manager issue and grub

My computer(asus N76VM 64 bit) with windows 7 (64 bit home professional) pre-installed got in a bad state while partitioning from a later installed Ubuntu environment. This had lead me to run testdisk ...
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1answer
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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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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
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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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NTFS partition no longer read on Windows 7

I have a 500 GB external drive that I use with my Windows 7 PC and Snow Leopard laptop. It has the following 4 partitions: 1. Leopard Installer (HFS+) 2. Backup (HFS+) 3. Snow Leopard Installer ...
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2answers
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How to install Windows on GPT disk without UEFI BIOS? [duplicate]

My PC does not support UEFI BIOS, but it has Legacy BIOS. The motherboard is "P5LD2-X1333". I need to install Windows 8 on the 3TB hard drive with GPT scheme, since as we know, the MBR scheme does ...
2
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2answers
663 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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3answers
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Switch Windows 8 from a hybrid MBR/GPT => GPT only on Macbook Pro Retina

I used DiskUtility+Bootcamp Wizard to setup my hard drive for Windows 8 (final MSDN). Somewhere in that process, the Apple tools turned my GPT disk into a hybrid MBR/GPT. All four of my MBR's primary ...
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1answer
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Re-installing Windows on MacBook Pro

I have triple boot installed. Everything works smoothly, but Windows is crying for re-install (overfilled registry, too many programs installed). Before MacBook Pro I would typically create another ...