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1answer
15 views

Determine Windows file-system on GPT partition

I have a laptop with SSD which has Windows 10 installed. I booted the laptop from USB flash drive into Ubuntu 14.04.3 and tried to find out the file system on partition 4. According to gdisk it has ...
1
vote
1answer
18 views

Does Linux use GPT flags?

As seen below in output of parted, Windows 8/8.1 seems to use flags in GUID partition entries: I guess that for example partition with hidden flag is not shown in Windows Explorer. However, does ...
2
votes
1answer
18 views

How does “parted” know the file-system type for GPT partitions?

parted utility somehow detects the file system on partitions on my GPT disk: I guess it does not do this based on partition type codes(seen in the gdisk output) because those would be 27(Hidden ...
1
vote
1answer
23 views

Gparted Shows HDD as unallocated

I've Windows 8.1 & I'm planning to install Kali Linux with it. However, at installation gparted shows the whole hard disk to be unallocated and a warning. The warning is as follows: /dev/sda ...
0
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0answers
23 views

Protective master boot record boot flag - GPT

On an HP Elitebook 8760w, the BIOS does not support GPT well and I have found that it does not like GPT formatted boot disks which is default for many *nix platform installers. FreeBSD and OpenSuse ...
0
votes
1answer
105 views

Turn MBR disk partition to GPT to install Fedora on it

I have windows 7 and want to install side by side Fedora 22. To install it I need to create GPT memory space. To do so, I open Start>Computer>Management>Disk management. I have only one disk present ...
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vote
2answers
103 views

How to construct a GPT-only partition table on Linux?

All of the tools I've tried until now were only capable to create a dual (GPT & MBR) partition table, where the first 4 of the GPT partitions were mirrored to a compatible MBR partition. This is ...
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0answers
554 views

Debian 8 installation on UEFI / GPT system

I'm completely lost and need some advice to further explore the problem. Steps that I made: 1) Partitioned my hard drive using gparted. First partition is formatted to FAT32, has flags "boot", "esp" ...
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2answers
57 views

Advantage of GPT over MBR partition table [closed]

What is the advantage GPT partitioned hard drives on older BIOS system ? when boot drive is bellow 2TB on a BIOS system or UEFI boot disabled grub on BIOS system with GPT partitioned needs an ...
3
votes
1answer
120 views

Can't format HDDs and install linux to Dell hybrid ultrabook

I've tried installing OpenSUSE 13.2, Debian 8/8.1 and Ubuntu 15.04 (all them amd64). Debian/Ubuntu won't show disks and OpenSUSE can't format the partitions created on them. During the install, ...
3
votes
1answer
114 views

Problems with partition table on 3tb NTFS drive

I have a 3tb HDD which was formatted with NTFS and put in a USB enclosure. It was used under Windows and Linux, with no problems for a year. Recently it stopped mounting under Linux and Windows, and ...
1
vote
1answer
37 views

Can GRUB 2 handle GPT? [closed]

I have come across some articles that say grub can't normally handle GPT. Not sure if this is old facts or outright incorrect and what version of grub is being referred to. Can someone please explain ...
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0answers
20 views

Can I create universal recovery usb by separating partition?

I installed super grub2 disk and partitioned my usb as Model: SanDisk Cruzer Blade (scsi) Disk /dev/sdc: 16.0GB Sector size (logical/physical): 512B/512B Partition Table: gpt Number Start End ...
0
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0answers
167 views

“Warning! Secondary partition overlaps the last partition by x blocks” in gdisk, is it safe to use gdisk here?

I'm trying to install convert my hard drive into GPT using gdisk, when I run sudo gdisk /deve/disk1s4 I get this: Warning! Secondary partition table overlaps the last partition by 2032668853 blocks! ...
1
vote
0answers
20 views

partprobe equivalent on OS X

After I manually edited a partition table on a device in OS X, the corresponding devices don't get created automatically under /dev. How to I tell the OS X kernel to reread partition tables as I ...
0
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0answers
11 views

Problems MBR and GPT Partitions on a Linux Host on SLPOS

Ive a Host loaded with SLPOS Image from a SLPOS Branch Server (SuSE Linux Point Of Service) and i want to handle this issue, when system boots it download a PXE who does a check of a several checks ...
1
vote
1answer
124 views

Remove all traces of GPT disk label

I've got an USB pen drive and I'd like to turn it into a bootable MBR device. However, at some point in its history, that device had a GPT on it, and I can't seem to get rid of that. Even after I ran ...
0
votes
1answer
25 views

testdisk partition recovery

Looking to recover data/partition index from this disk.. ⚡ root@jg  ~  ls /dev/disk/by-label lrwxrwxrwx. 1 root root 10 May 4 21:06 4tb1 -> ../../sde1 drwxr-xr-x. 7 root root 140 May 4 21:06 .. ...
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0answers
33 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 ...
2
votes
0answers
150 views

mdadm Software RAID1 with GPT on Debian 8.0 amd64 - Does not boot on disk removal [closed]

INTRO: I have spent countless days attaching/detaching MOLEX->SATA power cables, rebooting machines and trying hundreds of edits and commands. I am on the verge of desperation and desperately in need ...
2
votes
0answers
71 views

Accidentally installed BIOS/MBR on GPT/UEFI

Quite some time ago, I installed a Linux system on my moms laptop. And just recently I noticed I have installed and partitioned (with fdisk) a BIOS/MBR on a system, that already has UEFI. The machine ...
2
votes
1answer
418 views

How to initialize new disk for UEFI/GPT?

Background I'm setting up a new build, with all new hardware, tabula rosa. I want to have multiple Linux installations and common data partitions. From what I'e gathered so far, using new hardware ...
1
vote
1answer
102 views

Recognizing GPT partition table created with different logical sector size

I have a 3TB drive which I have partitioned using GPT: $ sudo sgdisk -p /dev/sdg Disk /dev/sdg: 5860533168 sectors, 2.7 TiB Logical sector size: 512 bytes Disk identifier (GUID): ...
4
votes
1answer
315 views

Linux can't see any of my partitions — The backup GPT table is not at the end of the disk

I'm trying to install Linux on my HP Pavilion 14 inch ultrabook, but without any success. At first I tried installing Ubuntu on it; everything went fine, I got into the Live DVD (yes I'm oldschool ...
1
vote
1answer
902 views

while installing centos error is that 'sda must have gpt label'

While trying to install CentOS 6.4 IN DUAL BOOT with win 7 there was this error "sda must have gpt label". I don't know how to fix it and I also don't want to repartition my hard drive.
0
votes
1answer
56 views

Backup and then wipe partition table from head of drive

I have a NTFS hard drive internally attached to my computer and it's causing problems with the other Windows installation on my dual (or triple?) boot machine. I'm not sure if the partition scheme is ...
2
votes
1answer
4k views

Creating EFI bootable GPT partition with gdisk on previous MBR, GPT Damaged

So this is a sister question to my previous one about partitioning for a UEFI boot loader. Parititioning for a UEFI boot loader, can LVM be used? Disclaimer: I don't give a flip about the data on ...
1
vote
1answer
559 views

Problems mounting GPT partitioned external HDD

My neighbor brought over a 3TB external hard drive saying that after loaning it out to a Windows user, her Mac is asking her "to initialize something" whenever she plugs it in to her computer. I'm ...
2
votes
2answers
219 views

Transforming a disk from MBR to GPT

I have a disk with classic MBR and want to transform it to use GPT without data loss. I have seen several more or less useful tutorials, but most of them are dealing with the specific problems related ...
1
vote
1answer
531 views

Using dd to zero a GPT table from disc, how many bytes to write?

In the fdisk area, cleaning out the MBR would require writing 446 bytes, and to include cleaning of the partition information, zero-ing the first 512 bytes was enough: dd if=/dev/zero of=/dev/sdb ...
1
vote
2answers
472 views

Unable to create partiton when installing RHEL 5.8

I am trying to install RHEL 5.8 on my IBM server. When I try to create a partition manually, I get the following error message. Your boot partition is on a disk using the GPT partition. How can I ...
3
votes
1answer
2k views

Grub fails to install - Debian Wheezy with mdadm RAID1 and GPT partition table

I've been trying all day to get my new Wheezy install completed but it fail to install Grub every time. I'm using x64 netinstall iso. Here is my partition table: Model: ATA ST3000DM001-1CH1 (scsi) ...
0
votes
1answer
1k views

“Spare” disk in a 2-disk mdadm RAID1 array?

I recently had a RAID1 volume fail. It had three primary partitions in it, all participating in separate, but similarly configured VGs. This configuration comes from the fact that the machine is ...
1
vote
1answer
858 views

Understanding syslinux and partitioning

I am trying to learn and especially understand how partitionning and boot-loaders work. The problem is that I got it all twisted in my mind. In the end I don't understand anything anymore. I know ...
0
votes
1answer
82 views

Data integrity after GPT restore on Mdraid configured disk

I've restored backup GPT headers on previously GPT partitioned disks that are member of a Linux software raid (mdraid). This was done because partprobe reported corrupted headers. Now actually ...
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votes
2answers
7k views

Getting the extra GPT info; a “fdisk -l” equivalent

What is the equivalent for GPT using HDDs of: # fdisk -l /dev/hda > /mnt/sda1/hda_fdisk.info I got this from https://wiki.archlinux.org/index.php/disk_cloning (under "Create disk image") for ...
0
votes
1answer
414 views

Create a GPT partition covering the free space

I have 480 GB SSD it currently has the following partitions 256MB EFI partition, 16GB SWAP, and 40GB CentOS 7 see details from lshw below. I want to use the remaining 400GB of unused space on the ...
1
vote
1answer
2k views

How to install after windows 8.1 with MBR partition

I have a laptop, which has a 500GB hard disk and with MBR partition, and I install my windows8.1 on it, but I left ~75G unused which I would like to use it for OpenSuse13.1. Now I have 2 USB, one is ...
2
votes
0answers
181 views

how to reverse the effect of sgdisk -R=/dev/sdb /dev/sda?

I accidentally used sgdisk -R=/dev/sdb /dev/sda instead of sgdisk -R=/dev/sda /dev/sdb after replacing a broken drive in a raid. Can I recover from this or is all data lost now?
2
votes
1answer
7k views

Arch Linux on an UEFI-GPT system with Windows 8.1 dual booting [closed]

I'm going to install Arch Linux on an UEFI computer. I've also Windows 8.1 installed and I would like to keep this operating system in dual boot with Arch. I should ask many questions, because this is ...
1
vote
2answers
2k views

Cannot install Ubuntu on EFI/GPT scheme

Shame on me, I have more than 10 years using Linux and all of this about EFI and GPT is a nightmare :( I have a Dell Inspiron 14z Ultrabook and I cannot install Ubuntu; when I launch the installer it ...
1
vote
1answer
1k views

Error installing Grub

I'm trying to install grub but I'm getting the error: Warning This GPT partition label contains no BIOS boot partition: embedding won't be possible I'm using GPT to partition, and the file system ...
3
votes
1answer
942 views

How to renumber GPT partitions on an umounted disk?

I tried to sort (renumber) partitions on /dev/sdb via terminal, using gdisk from the operating system (running on /dev/sda) and none of the sdb partitions mounted but the only option I get is [-l] ...
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vote
0answers
4k views

Unable to mount external USB HDD because of GPT on debian

I have tried to mount an external USB 3.0 hdd on my debian virtual machine (I'm using VirtualBox). I have tried to mount it using mount /dev/sdb1/ /media/vol1/ but I get the following error: mount: ...
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3answers
10k views

Problem mounting GPT disk partition

I am trying to mount a partition on a GPT disk, but I get the following error: $ sudo mount -t ext4 /dev/sda1 disk/ mount: special device /dev/sda1 does not exist Looking at dmesg, I don't see any ...
4
votes
2answers
431 views

What's the difference between the Partition GUID Code and Partition unique GUID?

I'm just reading up on GUID partition tables, and messing around with gdisk, I see these two titles. What is the difference between them? I am referring to the following (emphasis mine) shown when ...
7
votes
1answer
6k views

Dual boot windows on second harddrive, UEFI/GPT system

I'd like to install linux, but I don't want to risk damaging my current windows installation as I have heard a lot of horror stories. Fortunately, I have an extra hard drive. Can I install linux ...
23
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5answers
18k views

GPT or MBR: How do I know?

How can I tell whether my harddrive is laid out using an MBR or GPT format?
1
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0answers
280 views

Booting from USB devices on secure boot UEFI system

I'm trying to put an ArchLinux install onto a USB-HDD and want it to be bootable on BIOS systems as well as on UEFI systems that use secure boot. Therefore I have one main question. Does an UEFI ...
3
votes
1answer
224 views

Partitioning correctly for GPT in BIOS system

I am in doubt whether I have partitioned my hdd correctly as GPT on a BIOS motherboard. I used gparted to partition and I don't know if I aligned the beginning/end of the disk correctly, used correct ...