Questions about GPT fdisk (aka gdisk), the text-mode interactive program for creation and manipulation of partition tables. For scripting with gdisk see sgdisk.
Questions tagged [gdisk]
35 questions
39
votes
5 answers
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
mklabel msdos
quit
But when I get to the mklabel option…
sayth
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13
votes
4 answers
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] which lists options the option I'm trying to…
BillV
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11
votes
3 answers
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 mklabel dos in parted, grub-install still…
MvG
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9
votes
1 answer
Script to gdisk /dev/sdX and enter expert commands: x, z, y, y - how?
I am creating my first Arch Linux install script, and I want to automate the base installation as in the archwiki or you can find the same instructions but easier to read here: https://www.gloriouseggroll.tv/arch-linux-efi-install-guide/
I wish to…
Spacecow
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8
votes
3 answers
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 getting the extra hdd info which may be important for…
ConfusedStack
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6
votes
3 answers
unable to dd, smartmon, fdisk or anything on a working external Western Digital Hard Drive
I bought a WD HD on Amazon used because I wanted one that was exactly like another that I hosed.
I can't do anything with the HD.
The drive is definitely /dev/sdb, but it also mounts /dev/sr0
~$ lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda …
geneorama
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5
votes
2 answers
Changing HFSPlus UUID from PartedMagic
I needed to make a clone of my hard drive recently (bad blocks FTW). I was using Clonezilla at the time.
However, Clonezilla refused to copy the HFS+ partition, so I did it manually. The problem is that the UUIDs are out of sync.
What is the command…
Kaz Wolfe
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4
votes
1 answer
gdisk, make a non-permanent fix to a corrupted GPT table
My laptop is unable to boot. So, I run Ubuntu 18.04 live from a bootable USB. It didn't automatically mount the 500 GB hard disk /dev/sda, which uses GPT.
lsblk shows only the disk, not the partitions; fdisk is instead able to show them.
gdisk…
BowPark
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3
votes
3 answers
Optimal partition sizes with Gparted and Gdisk
I am trying to chop a 4TB (4,000,225,165,312 bytes) drive up into even partitions of 1TB.
I want these partitions to be further dividable to at least 1^3 Byte (~1GB) (1000000000) partitions.
Okay, so after hours of distilling, I've found a couple of…
alchemy
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3
votes
2 answers
GPT "Type device filename, or press to exit?
I am attempting to install Arch Linux (for the hundredth time) and I recently ran across another problem. I am trying to find a list of my partitions. In order to do this I entergdisk
When I do this however it returns
Type device filename, or press…
Griffin
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3
votes
1 answer
Wrong sector size in NVMe
I bought a new NVMe SSD (SB-ROCKET-256) and installed Arch using gdisk for partioning. In theory, this SSD doesn't support 512e and I think the physical size should be 4096, am I wrong? How do I set it right? The partition table is the following:
$…
David Lilue
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3
votes
1 answer
Change disk type from Microsoft Basic to Linux filesystem
I'm not clear where this is coming from and although it seems cosmetic I would like to change my disk type from Microsoft Basic to Linux filesystem
WARNING: fdisk GPT support is currently new, and therefore in an experimental phase. Use at your…
user319941
3
votes
2 answers
Partitioning and formatting a 4k-emulated (512e) HDD
I just plugged into USB A 3.0 / C 3.1 my new external HDD to Debian Buster system.
The disk was sold as LaCie 2.5" Porsche Design P'9227 2TB USB-C.
Here is the output of fdisk -l /dev/sdc:
Disk /dev/sdc: 1.8 TiB, 2000398934016 bytes, 3907029168…
Vlastimil Burián
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3
votes
2 answers
Resize partition table using gdisk
I want to change my partition table (using openWRT Linux OS) due to a new flash memory card - 1GB instead of 256MB.
For this, I've installed gdisk tool, and ran it using 'gdisk /dev/mmcblk0' command.
We can see that memory size is identified as 1GB…
dear_tzvi
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3
votes
1 answer
Recover partitions Mac OS internal HD
I booted to a live Ubuntu USB, wanting to delete partitions on an SD card, and ended up deleting all my partitions on my MacBook Pro's internal HD.
I have already tried gpart (which gets stuck at "Begin scan...") and testdisk (which can't create…
user3490458
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