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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16 views

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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1answer
35 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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2answers
100 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 ...
3
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1answer
96 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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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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1answer
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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0answers
14 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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0answers
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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votes
2answers
334 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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1answer
113 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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0answers
120 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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0answers
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?
0
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1answer
105 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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2answers
159 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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2answers
89 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 ...
3
votes
2answers
169 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 ...
3
votes
2answers
240 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 ...
0
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1answer
82 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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0answers
96 views

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
357 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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0answers
50 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
757 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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0answers
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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0answers
261 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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0answers
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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0answers
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 ...
4
votes
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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vote
1answer
471 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 ...
0
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0answers
130 views

HDD with broken MBR and GPT

My HDD is broken because of my Windows Technical Preview. I updated the WTP, but after updating i could not boot (i have ubuntu installed alongside). When i boot i could not go to the BIOS (only saw a ...
1
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1answer
139 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). ...
0
votes
1answer
586 views

Cannot mount GPT Windows partition

I had a Windows 7 machine with 167GB. I wanted to install Ubuntu on it, so I shrank the partition into 111GB and 56GB. Afterwards I installed Ubuntu 14.10 32-bit in the newly created 56GB partition. ...
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votes
1answer
177 views

problem on dual boot ubuntu 14.04.1 alongside windows 7

I have lenovo e530(core i5). when I want to install ubuntu alongside windows 7(ultimate), in the menu i select install alongside, the continue change to restart to continue and when I press it, my ...
1
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1answer
377 views

Dual boot Windows 8.1 Ubuntu EFI GPT: rEFInd won't start automatically

My machine is an HP DM1-4341sa netbook which came with Windows 8. I've since wiped the disk, changed the disk type to GPT and clean installed Windows 8.1 from ISO, leaving space at the end of the ...
2
votes
0answers
448 views

How to restore a LUKS partition?

My /home partition disappeared on my main HDD. I changed SATA slots, then I got strange "no lvm available" errors during boot when usually the password would be entered (I do not have any lvm setup at ...
0
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0answers
38 views

How to recover a GPT after wrong zpool creation?

I run zpool create /dev/sda instead of zpool create /dev/sdaX. The command failed after ~2 seconds with an error I can't reconstruct or remember. I guess if I had sent SIGINT to zpool it would have ...
0
votes
0answers
55 views

Is it correct behavior if badblocks destroys the partition table if invoked with -n option/in non-destructive mode on a device file?

I'm having trouble to believe that badblocks didn't destroy my partition table (help for restauration shall not be the issue here), so this question came up. There's been one btrfs partition on the ...
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votes
1answer
34 views

Problem partitioning ubuntu as dual boot

I have installed windows 8.1 (64bit), when i try to install ubuntu alongside with windows, it doesn't shows the Alongside windows option, and when we select sometlthing else option, it shows as if the ...
0
votes
1answer
539 views

GPT partitioning on a bios/non-efi motherboard with a SSD

I have a 2 year old Intel DH67CL1 BIOS motherboard(non-efi). I am reading about GPT partitioning and wonder whether it is useful in my case. I have still reservations whether to use GPT and what ...
0
votes
0answers
93 views

can not make primary patition or logical (MBR to GPT)

I wish to make dual boot windows and ubuntu on del inspion 5721 comes with ubuntu installed Hard disk consists of 3 primary and extended swap partitions In order to get new partitions from free ...
2
votes
1answer
149 views

Ubuntu / Windows 7/8 boot issue

I installed a dual boot Windows 7/8 on my laptop and now I also added a Ubuntu 14.04.1. To install Ubuntu I did an efi partition on sda1, a swap partition (sda6) and root (sda7) After the ...
0
votes
1answer
36 views

Problems restoring grub

I have used fsarchiver to move the content of my old hard drive on a new bigger SSD. Basically, one partition with Ubuntu 12.04. Everything went fine. But now I can not boot. I used GPT and I also ...
0
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0answers
129 views

Convert Physical to Virtual - GPT System Error

I'm trying to convert physical Ubuntu machine to virtual using VMware. I keep getting this error: "The source computer has GPT disk(s). Conversion of live computers with GPT disks is not ...
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votes
1answer
667 views

What is the best freeware app for Windows to mount EXT4 partitions (from a GPT 4TB Disk) as RW, safely without corrupting the EXT4 partition? [duplicate]

My Computer is set up as Dualboot Windows and Ubuntu. I have 1 OS drive, and 1 hard drive with a /backup partition (which has all my family photos and data) and it is ext4. Also note... it is EXT4, ...
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vote
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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votes
1answer
238 views

Deleted my previous linux partition and now getting stuck at grub boot prompt when i boot from usb/ use “ubuntu” option in bios/EFI boot menu

Let me tell you the full story. I had installed ubuntu and used it. Recently i wanted to use windows only (Windows 8.1) So, i deleted the linux partitions from the diskmgmt.msc in windows.I also used ...
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votes
1answer
11k views

How can I check and change the partition table type?

New computers that ship with Windows 8 also come with a different partition table than before. This along with the move to UEFI causes confusion, as users are unaware of the newer partition table and ...