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24
votes
2answers
34k views

Create partition aligned using parted

I'm partitioning a non-SSD hard disk with parted because I want a GPT partition table. parted /dev/sda mklabel gpt Now, I'm trying to create partitions correctly aligned so I use the next command ...
16
votes
4answers
7k views

GPT or MBR: How do I know?

How can I tell whether my harddrive is laid out using an MBR or GPT format?
15
votes
1answer
12k views

Can GRUB2 share the EFI system partition with Windows?

I have an existing Windows 7 GPT installation, which already has a EFI System partition. I am now trying to install a Linux on a separate harddisk, which is also GPT formatted. I did not find any ...
14
votes
2answers
40k views

Remove GPT - Default back to MBR

I keep receiving this error: Warning!! Unsupported GPT (GUID Partition Table) detected. Use GNU Parted I want to go back to the normal MBR. I found some advice here and did: parted /dev/sda ...
6
votes
1answer
511 views

Why are there 2048 sectors of free space between each logical partition?

I know about the advanced format and setting 2048 free sectors at the beginning of a disk. But I just converted a partition table of my disk from MS-DOS to GPT, and I noticed this: Before: Number ...
4
votes
4answers
2k views

Partitioning a 2tb drive

Im new to linux Im planning to install Squeeze on a 2tb hard drive a follows: / - 10gb swap remaining space will contain /home, around 1.9tb i hope, i will try to use as lvm to add my old 1tb drive ...
4
votes
1answer
875 views

What happens to partition labels after removing a partition?

What will happen to all the remaining partition labels if I remove a single partition? For example if I have a layout that looks like this: /dev/sda1 /dev/sda2 /dev/sda3 /dev/sda4 /dev/sda5 and if ...
4
votes
1answer
8k views

Using UUID's with mdadm

I'm using GPT as my partitioning scheme. I check the UUID's of my partitions: # ls -l /dev/disk/by-partuuid/ total 0 lrwxrwxrwx 1 root root 10 Oct 18 22:39 0793009a-d460-4f3d-83f6-8103f8ba24e2 -> ...
4
votes
1answer
2k 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 ...
4
votes
2answers
521 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 ...
4
votes
1answer
330 views

Does UEFI increase battery life?

I've heard about a better power management when using UEFI instead of BIOS. Is that true? It was about energy consumption being more efficient or something like that. If it is true, has the ...
4
votes
2answers
4k 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
3k views

Where is the GUID Partition Table stored on a device?

A friend of mine used my USB stick to install a new version of OS X on his mac. Now that I got it back, I wanted to wipe it (I use Linux myself). However, I'm having a bit of trouble doing so. The ...
3
votes
2answers
197 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 ...
3
votes
1answer
324 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] ...
3
votes
1answer
134 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 ...
3
votes
2answers
217 views

Copying OS from one drive to another migrating from MBR to GPT - what to watch out for?

I'm looking at replacing my current MBR-partitioned 2 TB system drive with quite possibly a 3 TB drive. Copying the files should not pose a problem, but are there any gotchas to watch out for, ...
3
votes
2answers
2k views

Installing Arch Linux with UEFI Boot and GPT Layout

I'm trying to set up a dual UEFI boot Windows/Arch Linux, and have already installed Windows on a GPT layout through UEFI boot. I now want to fresh install Arch Linux using GPT layout as well, and was ...
3
votes
1answer
309 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) ...
3
votes
3answers
3k views

Dual booting Ubuntu and Windows 8. w8 boots through grub shell, but not from menu

I have a laptop, with installations of Ubuntu 12.10, and Windows 8. Windows 8 was first installed on the system, and Ubuntu was installed afterwards. During the Ubuntu installation, the installer ...
3
votes
1answer
4k views

Mounting a multi-partition (GPT/HFS+) USB 2.0 harddrive on Debian

I have a 3TB USB 2.0 hard-drive which has two HFS+ (Mac) partitions using GUID partition table for the partition records. It was partitioned with Mac OS Disk Utility. How can I mount these partitions ...
2
votes
1answer
4k views

Unable to create logical partition with Parted

I was fiddling around with parted command on a loopback disk and tried to create some partitions using gpt part table but I keep getting Error: Unable to satisfy all constraints on the partition. when ...
2
votes
1answer
219 views

Is it safe to delete old boot and EFI System partitions?

I have installed a new OS in the free space of the same hard disk after failing to upgrade the old one. Now there are two copies of boot partitions and EFI System partitions. After a harrowing ...
2
votes
1answer
264 views

FreeBSD zfs create gpt

How can i create gpt marks on working system. NAME STATE READ WRITE CKSUM zroot ONLINE 0 0 0 mirror-0 ONLINE 0 0 0 ad4p3 ONLINE ...
2
votes
0answers
61 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
3k 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 ...
2
votes
0answers
404 views

Dual boot Linux Mint in a GPT style hard drive along with Windows 8

I have a Sony VAIO e series laptop which came with Windows 8. I wish to install Linux Mint as additional operating system. Only at the time of installation I could find that my HDD is of GPT partition ...
2
votes
0answers
574 views

Could I add GPT BIOS Boot Partition after Debian installation?

I recently installed Debian Wheezy on a server with 24TB of storage (RAID 6). When I partitioned the big volume I selected Manual option and created the partition scheme. When I was partitioning, I ...
1
vote
2answers
834 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
2answers
2k views

Gnu Parted Error in HardDisk of Linux?

Anyone help me, why the error getting when excuting the fdisk -l command in linux. # fdisk -l /dev/sdb WARNING: GPT (GUID Partition Table) detected on '/dev/sdb'! The util fdisk doesn't support ...
1
vote
3answers
327 views

What's the difference between fdisk -l and df -h?

In my ubuntu system, I want to have a look about my system disk info. When I use fdisk -l without sudo, I get nothing. But with sudo fdisk -l, I only get a device /dev/sda1, but when I use df -h, I ...
1
vote
1answer
715 views

bootloader configuration with GPT, RAID1, and LVM

Using the GUID Partition Table and RAID 1, the bootloader (syslinux or GRUB) is not able to boot into the machine, which was installed with Arch Linux. First off, there are two drives identical ...
1
vote
1answer
188 views

GPT Partition - Used Space immediately after creating partition [duplicate]

I wanted to try out the new GPT system, and used it to partition my new HDD, with the partitions themselves using ext4. For some reason, about 1-2% of the space in each partition is already shown as ...
1
vote
1answer
1k views

Can't increase partition size with GParted?

I've got an external disk with 6 partitions: 4 for linux, one storage in HFS+, and one storage in ext4. I'd like to delete the ext4 storage one and move it's resulting unallocated space into my HFS+ ...
1
vote
1answer
34 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
30 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 ...
1
vote
1answer
44 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
47 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
1answer
130 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 ...
1
vote
1answer
864 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 ...
1
vote
1answer
153 views

Fedora 16 fails to boot after Win7 installed a GPT Drive

So, I have Windows 7 and Fedora 16 installed on my old HDD. Everything worked well and fine before I've had my new 3TB drive built in, which I initialized as GPT in Windows. Actually I initialized ...
1
vote
2answers
38 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 ...
1
vote
0answers
2k 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: ...
1
vote
0answers
193 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 ...
1
vote
3answers
1k views

Recover Windows partition in a GPT disk (previously MBR)

I have tried installing Arch Linux and what I ended up with was a partition scheme like this: /dev/sda: /dev/sda1 NTFS partition (Windows 7) /dev/sda2 ext4 (Arch) /dev/sda3 swap I don't know ...
1
vote
1answer
550 views

grub-install --no-floppy /dev/sda fails (Funtoo)

I am trying out Funtoo on a new machine. I've been through the installation process, as described in Funtoo Linux Installation . Specifically, the installation is done from within an existing Linux ...
0
votes
1answer
151 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 ...
0
votes
3answers
739 views

Automatically run kpartx during boot

I'm running Debian Wheezy on an SSD, and in addition I have two 500GB hard disks in Intel software RAID 0 (fakeraid). Both the SSD and the RAID array have GPT partition layouts. I have set up my fstab ...
0
votes
2answers
327 views

Explanations of an Android image build script

I was getting one program for partitioning SD card.I have given that script below: #!/bin/sh if [ $# -lt 2 ]; then echo "example usage: $0 /dev/sdc \$ANDROID_ROOT" exit 1 fi DRIVE=$1 ...
0
votes
1answer
22 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 ...