The GUID Partition Table (GPT) is a method of partitioning disks. It features up to 128 partitions by default and it uses 64-bit pointers, which means it fully supports disks of up to 8ZiB, as opposed to the 2TiB limit of the older Master Boot Record (MBR) partitioning scheme. GPT is most often used ...

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GPT vs MBR. Why not MBR?

I am a Linux user. I don't have Windows on my laptop. Also the hard drive size is less than 2 TB. Then why should I use GPT tables? Can't I go with old fasioned MBR? I will be having two root ...
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XFS File System Fails - Can't read Superblock [on hold]

After this (Iomega Home Media disk corruption - data recovery help asked) problem solved... i have a new one.. I'm trying to understand why my Iomega Home Media Stopped working, and need for that to ...
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GPT partition scheme

I'm reinstalling my operating systems to use GPT and am willing to do it properly this time... I'm intending to use the following partition scheme: sda |-- sda1 500 MiB EFI |-- sda2 100 GiB Linux ...
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Ubuntu 12.04.3 ext4 support filesystem size >16TB

Had anyone tried having an Ubuntu 12.04.3 ext4 volume size greater than 16TB. Assuming filesystem is already GPT labeled.
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4answers
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Ubuntu LiveUSB doesn't recognize my Windows 8 installation

I have a laptop with UEFI (secure boot disabled) with Windows 8. I am trying to install Ubuntu 12.10 or 12.04 along side Windows 8 on my primary hard drive, which uses GPT. I am only presented with ...
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GPT partition table problem: Windows 7 and Ubuntu dual boot

I hope you guys will help me get through this situation I have gotten myself into. I bought a new samsung ultra book running windows 8. I knew going into the purchase that I wanted to ditch windows ...
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1answer
34 views

How to re-setup swap partition in GPT system

I installed Ubuntu 14.04 as dual boot on my windows 8 acer desktop pc. I am sure I set up a swap drive but now if I do swapon -s I don't seem to have a swap partition. Upon sudo fdisk -l I get: ...
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93 views

Ubuntu 15.04 UEFI installation issue on Dell Vostro 3460

I downloaded the RTM ISO of Ubuntu 15.04 (Vivid Vervet), and I created with the latest version of Rufus the UEFI/GPT installation disk. I tried to begin the installation in the UEFI-mode, but it ...
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92 views

How to get data off a Windows partition when “primary GPT table is corrupt, but the backup appears OK”

Was running Windows 8.1 on my Asus Laptop (U37VC). Blue screen; error 0xc000000e. Figure I've screwed up the boot somehow (some hard reboots lately after annoying lags). After disabling the boot ...
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56 views

UEFI Ubuntu installation no longer boots after moving a partition

After resizing moving a large partition on the same drive with Gparted that contains my EFI partition, my Ubuntu installation (15.04 x64) no longer boots in EFI mode. When I try to manually load the ...
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1answer
28 views

Is GPT BIOS partition is really needed?

I have notebook with GPT partition format, EFI, LUKS, LVM, 64bit system and everything works perfectly. I wasn't created GPT BIOS partition. Now I want to test some Ubuntu features on virtual machine, ...
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5k views

How to add Ubuntu to the Windows 8 Boot Menu with a GPT Harddrive

I would like to know how to add Ubuntu to the Windows 8 Boot Menu using bcdedit. I have UEFI with secure boot enabled and both OS's can be booted from the UEFI boot menu by pressing F9. I also have ...
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13 views

Can't read 2TB Hard Disk , don't exist dispositive.

I have a new 2TB external USB HardDisk, and I can't open or format it. I'm gotting diferent kind of errors, for example: If i execute: sudo mount -a /dev/sdb sudo mount -a /dev/sdb1 The response ...
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11 views

RAID 1 disk from old server not recognized when taken off to a new machine

I had an old Ubuntu server at home, with two 1TB HDD in RAID1 configuration. I stored a lot of my works and stuff there, then eventually stopped using the server and let it get the dust for some time. ...
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2answers
323 views

Can't boot a live usb .iso in UEFI mode on Lenovo Edge-15 laptop

I was trying to install Gentoo on my laptop Lenovo Edge-15, but I'm having problems booting a live usb .iso in UEFI mode. I then tried to install Ubuntu, Arch, and Fedora, and seem to be having the ...
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952 views

“Problem booting GPT Grub2 on a BIOS based System” How to resolve?

I have an Intel D945GCCR Board with a 2GB Ram having discontinued support.Similarly I have an 500GB HDD with triple boot Windows XP, Windows 8 & Ubuntu 12.04. Well the other day I came across the ...
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3answers
20k views

GPT partition table warning message during install of ubuntu

/dev/sda contains GPT signatures indicating that it has a GPT table. However, it has a fake msdos partition table as it should. Perhaps it was corrupted? Is this a GPT partition table? So, that's the ...
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108 views

Can't dual-boot Windows 7 after installing Ubuntu

After having some compatibility issues with some software on Ubuntu, I decided I should dual boot windows 7 so I can use that software. After booting from an Ubuntu live CD and partitioning off 100GB ...
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1answer
66 views

Unable to Install Ubuntu alongside Windows 7 (Legacy BIOS)

I am trying to install Ubuntu 12 / 14.04 (x86 & x64) alongside Windows 7. I have a bootable USB stick and when I try to install Ubuntu there is no alongside Window` option neither the Windows ...
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118 views

JMicron JM20339 USB SATA Controller Problem

I Have 3bon-s35s SATA to USB converter(or controller). It use JMicron JM20339 chipset. Windows 7 can recognize WD 4TB HDD, but Ubuntu dosen't. dmesg shows below [ 2.990457] scsi 6:0:0:0: ...
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31 views

GPT detected! How do I create a boot partition? [duplicate]

Okay so I have a computer that has a brand new harddrive. Nothing on it. I tried installing ubuntu 14.10 on it and it will not boot from the Hard disk. I installed boot-repair and I got an error that ...
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2answers
62 views

How to Setup GPT for 3TB

I have a 3TB HDD that I want to run Ubuntu 14.10 server as a file server. How can I format the drive so it will work?
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1answer
101 views

Problem mounting raid 0 NTFS drives in Ubuntu server 14.04

I have 2 disks, sda and sdc with the following gdisk output: $ sudo gdisk -l /dev/sda GPT fdisk (gdisk) version 0.8.8 Partition table scan: MBR: protective BSD: not present APM: not present ...
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How can I change/convert a Ubuntu MBR drive to a GPT, and make Ubuntu boot from EFI?

I recently have upgraded my PC, my new Motherboard (ASUS M5A99X EVO) uses UEFi instead of the regular MBR option. I have a Ubuntu 11.10 installation that I did when I had my previous hardware (MSI MS ...
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2answers
88 views

the selected disc is of gpt partition style error

I want to install windows 8, but I am getting this error the selected disc is of gpt partition style. I already have Ubuntu 14.04 install with UEFI boot. I have 3 partition in the order of: UEFI ...
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156 views

I accidentally overwrote my GPT, how do I restore it with gdisk?

gpt fdisk question I have a Hitachi drive which got its GPT corrupted, it came out of a Windows 8 computer which is less than a year old. That pretty much guarantees it was in EFI mode correct? I ...
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166 views

GPT PMBR size mismatch after dd clone

I am migrating my Ubuntu EFI boot system to a larger hdd. I used the command dd if=/dev/sdb of=/dev/sda I did not dismount the inputfile before copying and the outputfile was fresh unpartitioned ...
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2answers
239 views

How can I set up GPT and EFI for my new raw drive?

My laptop Thinkpad T400 now runs 12.04 on a small hard drive. I plan to replace the hard drive with a bigger one, and install 14.04 on the new drive. The new drive is just bought as brand new, and raw ...
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1answer
80 views

Dual Boot Ubuntu 14.04 and Windows 7 Grub Issue

I am trying to dual boot windows 7 (3TB hard drive) and Ubuntu 14.04 (1TB hard drive). I already have windows installed and am trying to install Ubuntu, however, the option to install Ubuntu alongside ...
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1answer
52 views

Problem Partitions Dual Boot

I was trying to install a dual boot in my PC (I have Windows 7 Installed Already), it does not recognize my partitions, I even left non allocated space and nothing, it saw it as a free disk. Then i ...
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1answer
232 views

USB dock for 4TB Seagate HDD only works with less then 2.2TB of data

I have one of those Seagate 4TB HD and everything went fine using GPT, I could use it normally without any problem. I used gparted to format and create the partition table as ext4. Everything changed ...
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Windows 8.1 Dual Boot Ubuntu 14.04 - dmraid and fixpart

I'm trying to install Ubuntu 4.14 on dual boot with Windows 8.1, but when beginning the LiveUSB the Ubuntum, the partitions created by Windows 8.1 are not recognized, reports that all is HD as ...
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2answers
351 views

Create GUID partition table (GPT) during Ubuntu Server install

On a computer with a new empty hard drive of capacity < 2 TB, I install Ubuntu Server with the standard text-mode installer. I choose to manually partition the disk. Then I can create a new empty ...
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3answers
6k views

Ubuntu 13.04 on UEFI system with Windows Boot Manager as the main loader

On my old laptop (legacy BIOS, MBR disk), this was perfectly possible to get working: I turn on the computer and see the Windows Boot Manager I use EasyBCD (or BootPart, or something else) to add an ...
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49 views

Failure Upgrading 12.04 to 14.04 Possibly deleted Windows partition, now will not boot (Error 1962: No operating system found)

I think I have dug myself into an irreparable hole, but it would be nice if those more wise than I could help confirm that and/or save my computer. I have a Lenovo ThinkCentre K430 that was merrily ...
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2answers
749 views

Why I need several boot partitions (EFI and bios grub)?

I'm trying to understand how to properly partitioning the disk for future Ubuntu installations. The reason: after trying to install Windows 7 alongside Ubuntu, I enabled "Legacy mode" on my HP ...
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2answers
5k views

Ubuntu 14.04 single-boot with UEFI-mode enabled

I recently purchased a Dell Vostro 5470 with a pre-installed Windows 8 OEM on a HDD 500GB. Now I'm trying to replace the HDD with a Sandisk SSD 240GB as my main disk (next step will be use the HDD ...
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260 views

Trying to access/mount raid array with gpt partition table

My raid arrays seem to be giving me alot of hassle under linux. I have 2 RAID 0 arrays: - 2 x 120GB SSD with MBR partition table (windows 7 x64) - 2 x 3TB HDD with GPT partition table (data/storage) ...
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1answer
7k views

Delete Ubuntu from dual boot Windows 8.1 in GPT disk [duplicate]

I'm using Windows dual booting with Ubuntu. I have uninstalled, and at that time my disk was formated as MBR. After deleting all partitions of Ubuntu I choose to rebuild the MBR in my disk. That way ...
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84 views

3tb GPT external drive mounting problems [duplicate]

I'm having trouble accessing all the partitions on an external 3tb harddrive. I've had it working in Mac10.9, and windows 7. The other similar questions here do not seem to resolve my issue. I'm ...
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1answer
1k views

Help me!! Extract partition table GPT

English is not my native language, so I apologize. I want to remove the partition table from my hard drive /dev/sdb and then put it on my disk /dev/sda, but when running the following command: sudo ...
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1answer
13k views

How to install linux on a computer with GPT?

I recently installed Windows 7 on a computer. Left a partition to install linux. Today when I tried to install linux, the installer (of two distros that I tried) failed to recognise the already ...
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2answers
11k views

Mount exited with exit code 13

I have a 1TB external hard drive that I recently formatted to NTFS. It was mounting on my Ubuntu 11.10 fine until just now. I didn't make any changes to affect my OS or my exhdd. The error that I get ...
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138 views

3TB partition disappeared by Windows 7

I am wondering if anyone can help me with a problem... I have a dual-boot Ubuntu and Windows 7 system. I bought a new 3TB HDD as I needed more storage space (the HDD is not used to boot the system). ...
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95 views

Recovering GPT w/ encrypted partition

I have a removable HDD whose partition table became corrupted during an interrupted file transfer. The device should contain a GPT with a single ext4 partition encrypted by dm-crypt/LUKS. lsblk: ...
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21 views

Share LAMP between two Ubuntu installations in same drive

Two different Ubuntu installations in same GPT drive. Say Ubuntu 14.10 in /dev/sda3 and Kubuntu 14.10 in /dev/sda4. I'm running LAMP in both. Is there any way of sharing LAMP binaries between both ...
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2answers
10k views

Can't format or delete partitions in pendirve cause of gpt table error

This is what I got while trying to format a partition in my pendirve: Error deleting partition /dev/sdb1: Command-line `parted --script "/dev/sdb" "rm 1"' exited with non-zero exit status 1: Warning: ...
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2answers
1k views

Dual boot Windows 7 UEFI Raid with Ubuntu 14.04 Grub2 Problem

I used the intel Raid 0 to raid SSD #1 and #2 on raid 0 for video editing work, everything was good.I installed windows 7 64bit on an asus x79 deluxe motherboard on these raid 0 two ssds using ...
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2answers
21k views

UEFI Dual-Boot - Ubuntu 12.04.3 + Windows 8.1 (One GPT HDD)

UEFI Dual-Boot - Ubuntu 12.04.3 + Windows 8.1 (One GPT HDD) Hello, I'm having trouble setting up a dual-boot (Ubuntu 12.04 LTS and Windows 8.1) in my ASUS K55VM laptop's hard drive disk (500 GB). I ...
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470 views

Partitions Grub UEFI GPT MBR

I'm having a problem with the partitions in my system. Yesterday, I wanted to try Arch Linux, so I installed it in a new partition and in the process I was told, since my system is UEFI, I had to ...