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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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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XFS File System Fails - Can't read Superblock

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 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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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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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
34 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
49 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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2answers
58 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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49 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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119 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
60 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
49 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
188 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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0answers
61 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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1answer
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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2answers
95 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
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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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36 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
243 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
3k 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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200 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
5k 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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83 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
2k 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
12k 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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1answer
120 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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0answers
76 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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19 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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9k 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
2k 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
20k 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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1answer
386 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 ...
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0answers
115 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 ...
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1answer
291 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 ...
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1answer
453 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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1answer
194 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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1answer
166 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 ...
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3answers
991 views

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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0answers
323 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 ...
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0answers
35 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 ...
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1answer
431 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 ...
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1answer
33 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 ...
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0answers
44 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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1answer
10k views

Can't remove GPT table from hard drive

I have tried everything, but nothing works... Background: Started out with Windows 7, formated and installed Ubuntu and later installed Arch linux with a GPT partition table. Running following ...
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0answers
79 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
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1answer
143 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 ...
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1answer
2k views

No USB Devices picked up on restart to windows 7 from ubuntu

I have dual boot windows 7 and ubuntu 13.10 on efi Dell Inspiron 14z 5423 ultrabook. My devices are recognized well in Ubuntu. If I reboot the system (i,e switch from Ubuntu to Windows 7) and start ...