Questions tagged [gpt]
Use this tag for GPT partition tables.
178
questions
1
vote
1answer
61 views
Grub not starting after moving drives
So I've got a Debian 9 machine with 5 hard drives in it. I tried moving these drives to a new machine and hoping they would boot. When I did this, I got "normal.mod not found" and it kicked me to grub ...
2
votes
1answer
70 views
On UEFI laptop, Linux Mint has crashed twice
In the last 2 months, I have installed Linux Mint 19.1 on two laptops. On the older of the two, a Samsung Rv511 (ca. 2011) using MBR partitioning, there have been no problems at all. Linux Mint has ...
2
votes
2answers
64 views
How to determine if a PC has a combination of GPT disk and legacy BIOS boot, where the boot code is read from the MBR?
In a comment, Johan wrote:
In the rare combination GPT disk + legacy BIOS boot, the boot code is
read in the old-fasioned way from the MBR
What is the proper way to determine if a PC has the ...
0
votes
0answers
13 views
Mounting windows server 2016 Azure VM GPT basic NTFS partition on linux
I have an azure blob (a .vhd disk) which is a copy of a windows data disk created by taking a snapshot of the live disk, then copying that snapshot to a temporary blob, which is the blob I have ...
0
votes
1answer
63 views
How to recover lost data after disk MBR to GPT conversion?
When I curiously selected to "create a new partition table" and the new type of it is GPT, GParted poped a warning message that "I may loss all...", but I still clicked yes, as I thought all the ...
1
vote
1answer
23 views
GPT header Backup
The first 512 bytes of MBR disk contains boot code and partition table, backing up (dd command) this area is useful.
I have switched to GPT right now, and want make a backup, is it in the same way to ...
-2
votes
2answers
144 views
Kali Linux installation on USB drive
I want to install Kali Linux on a 64 GB USB drive and want to take it just anywhere and plug it in any PC and have my setup up and running. IOW I just want a HDD like complete Kali Linux portable ...
1
vote
0answers
56 views
unable to create a bootable USB Debian Stretch disk using LVM with GPT partitions
I'm stuck for several days whith a issue when I try to create a bootable USB disk GPT partitonned.
I would like this disk to be like a bootable "backup" disk for my live system.
(In fact the system ...
2
votes
2answers
166 views
How to mount a device of gpt type?
In Linux Mint 18.3 which boots from an HDD, I want to mount an external SSD.
When I run the command sudo fdisk -l, I get all the drives and partitions as well as the SSD and when I run sudo blkid, I ...
0
votes
1answer
207 views
What do the partition table types and flags mean in the output of parted?
In the output of sudo parted -l:
Model: WD My Passport 0748 (scsi)
Disk /dev/sdb: 1000GB
Sector size (logical/physical): 512B/512B
Partition Table: msdos
Disk Flags:
Number Start End Size ...
-3
votes
1answer
50 views
In GPT, can a partition be partitioned further into partitions?
I heard that GPT makes MBR's distinction between primary partition, logical partition, and extended partition disappear.
In GPT, can a partition be partitioned further into partitions, in the same ...
0
votes
1answer
109 views
Installation and booting scenarios for combinations of boot sector (GPT or MBR), firmware (BIOS or UEFI)?
I think all the confusions in this post come from coexistence of old and new technologies and abuse of terminology such as mentioned in https://en.wikipedia.org/wiki/...
0
votes
1answer
58 views
What is a generic name for the sector which stores the partition table of a disk?
If a disk uses GPT partitioning method, is its first sector still called MBR? What is a generic name for the sector which stores the partition table of a disk? Thanks.
0
votes
0answers
17 views
How to diagnose the difference in OS performance between installation media?
I have two different USB sticks, a 128 GB Samsung and a 64 GB SanDisk. I used Gnome Disks to benchmark both of them and the Samsung one was supposedly better, it had faster read and write speed but it ...
1
vote
3answers
317 views
How install legacy grub to gpt uefi disk?
I have new computer with UEFI. I formated the disc as GPT (not MBR), made few small partions on start (as placeholders for UEFI, for boot, for swap etc ...) then larger partition for system / (and ...
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votes
1answer
338 views
Am I able to install Arch Linux with the 100MB EFI partition that Windows 10 had already created on installation?
I want to dual-boot Arch Linux alongside Windows 10, which is already installed.
I am using UEFI-GPT.
On Windows 10 installation, it creates an EFI system partition as required by UEFI. This ...
0
votes
1answer
60 views
Dual Boot Linux Partition shows as Partition Table: loop in parted (Why?)
Recently I was checking into my partition scheme on my dual boot laptop (Peppermint OS, Windows 10). I was surprised by the output from parted /dev/sda12 (my Linux root partition)
Model: Unknown (...
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0answers
23 views
Realigning GPT partitions to 4k sector boundaries?
If I have an HDD with GPT, and the partitions are not aligned to 4k sector boundaries, is there a tool to realign the partitions to 4k sector boundaries?
Suppose I have UEFI stuff on the HDD in ...
0
votes
1answer
732 views
How to force GPT partitions in kickstart for Oracle Linux 6
I want to configure OL6 kickstart to install a system that boots from BIOS but uses GPT partitioning instead of MBR, even for disks <2TB.
The relevant part of my kickstart file looks like this ($...
0
votes
1answer
29 views
Are timestamps created with new GPT partition tables?
Are timestamps created with new GPT partition tables?
If so, where are they (i.e, headers, entries, GUIDs, labels)? How are they accessed?
12
votes
2answers
4k views
Will dd if=/dev/zero of=/dev/sda wipe out a pre-existing partition table?
Will # dd if=/dev/zero of=/dev/sda wipe out a pre-existing partition table?
Or is it the other way around, i.e, does
# fdisk /dev/sda g (for GPT)
wipe out the zeros written by /dev/zero?
0
votes
2answers
1k views
Can't install Fedora 29 on Thinkpad W550s due to GPT
I have a Lenovo Thinkpad W550s that already has Windows 7 on it. I would like to install Fedora 29 Workstation alongside Windows 7, but I have run into some problems.
The hard drive was formatted ...
0
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0answers
762 views
How to create a bios_grub partition during installing openSUSE?
When installing openSUSE Tumbleweed, I get a red warning before the last confirmation:
Boot from MBR does not work together with btrfs filesystem and GPT disk label without bios_grub partition. To ...
0
votes
1answer
27 views
GPT has incorrect entries
Through some series of commands, I managed to end up with a disk that is supposed to contain one ext4 partition, but fdisk, parted, and blkid all insist it contains an Apple RAID slice, which it used ...
1
vote
1answer
278 views
Problem with instaling GRUB/LILO in dual boot with windows 10 UEFI/GPT
I am having some issues when trying to install Debian 9 alongside Windows 10.
Everything goes smoothly until the GRUB installation comes up. After I pick the partition it starts to install and after ...
2
votes
1answer
726 views
Mounting GPT partition table in linux
I have a drive that I'm trying to mount in linux. The device is /dev/xvdf. lsblk shows two subdrives, /dev/xvdf1 and /dev/xvdf9
sudo file -s /dev/xvdf tells me that /dev/xvdf is a "GPT partition ...
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votes
1answer
116 views
How to extend size of mounted ext4 /home gpt partition without loss of data?
I have GPT partitioning for my drive:
$ sudo fdisk -l /dev/sda
Disk /dev/sda: 465.8 GiB, 500107862016 bytes, 976773168 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): ...
5
votes
1answer
2k views
Can I change an existing partition from MBR to GPT?
I needed to add extra 2.5TB to the existing 400GB disk (sda) on my system. I added new virtual disks with 2.5TB (sdb), proceeded to create the partition table with fdisk.
Used pvcreate /dev/sdb1, to ...
1
vote
0answers
390 views
Problem mounting and reading hard disk
I am trying to read the content of a 1Tb external disk. The device was part of an external nas (dlink 320) using raid 1.
when I plug the hard disk using the usb port no partition is mounted. The ...
0
votes
1answer
657 views
Partion table mmcblk0boot0 device
I created two GPT partitions in /dev/mmcblk0boot0 device. Now I want to format one of them. But I don't have any idea how to access to a single partition. When I created partitions on "normal" device ...
0
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1answer
1k views
Fsck on partition inside RAID broke file system AND RAID
What was: RAID 1 with mdadm on whole disks say /dev/md0 from /dev/sda and sdb, GPT with one partition on md0 and ext4 on this partition (md0p1).
What I think happens: after changing motherboard linux ...
0
votes
1answer
945 views
booting gentoo using uefi and gpt
I just used the amd64 minimal installation iso (installed on usb drive) to install and configure gentoo linux with the following make.conf:
CFLAGS="-march=native -O2 -pipe"
CXXFLAGS="${CFLAGS}"
...
1
vote
1answer
1k views
What is PARTUUID from blkid when using msdos partition table?
I use msdos partition table, so there is no PARTUUID supported (it's only on GPT partition tables)
root@xenial:~# fdisk -l
Disk /dev/sda: 200 GiB, 214748364800 bytes, 419430400 sectors
Units: sectors ...
0
votes
1answer
2k views
Backup boot record of GPT disk
I know how to use dd to backup the boot record of a MBR partitioned disk, but how do I backup the boot record of a GPT partitioned disk?
(I use sgdisk to backup the partition table, but also need the ...
0
votes
2answers
86 views
How to migrate partitions/file systems/swap to a new drive without any data using a shell script?
Wishing to replace the system drive with near identical sized new and fresh SSD, or even a larger one, leaves me with a puzzle. dd is great and I can't use that bit-by-bit copy technique f.e. because ...
0
votes
2answers
7k views
How to install rEFInd for DIY multiboot USB
I intend to create a dualboot persistent usb. I'd like to try creating a USB where I can boot macOS High Sierra and WIndows 10. From what I understand of LVM, I can create 2 VG, 1 APFS and 1 NTFS. ...
0
votes
1answer
136 views
Saving a modified GPT partition map to a file in GParted or similar tools
I can use sgdisk -b /dev/sdx to save the GPT partition map of a disk to a file. I want to generate such a file for a GPT with one partition of a certain size. The only way I can see to do this is to ...
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0answers
2k views
How to fix corrupt GPT table backup?
I'm having an issue which I'm having a hard time trying to fix with a USB stick. I was trying to get this USB formatted cleanly and ready to be used for a USB Installer, but for some reason it's ...
1
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0answers
2k views
Creating GPT partitions with preseed
I am installing Ubuntu 16.04 with iPXE and trying to create GPT partitions with preseed as follows:
d-i partman-basicfilesystems/choose_label string gpt
d-i partman-basicfilesystems/default_label ...
0
votes
1answer
106 views
Does Fedora's inst.gpt command exist in other distros?
I have recently found this inst.gpt boot flag in Fedora useful as it allows me to say up a GPT drive on a non-UEFI BIOS system, does it also exist in a different form on other distros?
If not would it ...
1
vote
2answers
202 views
Wiping the boot partition of a GPT disk in Solaris 11.3
I have a 4-way mirrored rpool on a set of GPT disks running Solaris 11.3 (GPT being used as the disks are more than 2TB in size) on x86 hardware.
Disks 1 and 2 are the "main" operating system. Disks ...
1
vote
1answer
2k views
using parted to resize partitions using free space in the end of the disk
I have RH6 wtith GPT disk, which is partitioned as following:
parted /dev/sdb print free
Model: IBM ServeRAID M5110e (scsi)
Disk /dev/sdb: 4599GB
Sector size (logical/physical): 512B/4096B
Partition ...
5
votes
1answer
894 views
File system block size differs between different ext4 partitions
we have BBB based custom board with 256MB RAM and 4GB eMMC,
I have partitioned it using below code,
parted --script -a optimal /dev/mmcblk0 \
mklabel gpt \
mkpart primary 128KiB 255KiB \
...
3
votes
1answer
432 views
Can I install using GPT on 32 bit system with bios?
All I search for this says, makes me understand that GPT is related to UEFI, but is it possible to install using GPT disk format, in a 32 bit system using bios (not legacy mode)?
I tried installing ...
1
vote
1answer
432 views
linux gdisk (on 4TB USB drive) followed my mkfs — but mkfs doesn't see new partitions
I just bought two new 4TB external USB disks for backups
http://www.bestbuy.com/site/wd-my-passport-4tb-external-usb-3-0-portable-hard-drive-black/5605533.p
that came performatted with a single ...
1
vote
1answer
371 views
Changing partition dev path
I have a UEFI system that I installed Arch Linux on beside Windows, then later removed Windows and made it Linux only, keeping the EFI boot partition of course. After removing all Windows and recovery ...
2
votes
4answers
3k views
Are there extended partitions in GPT partition table?
Under the MBR model, we could create four primary partitions one of which could an extended partition that's further subdivided into logical partitions.
Consider this GPT schematic taking from ...
2
votes
2answers
6k views
Changing from MBR to GPT
I'm trying to completely remove linux from my machine to make way for Windows, but to do that I need to change my disk type to GPT instead of MBR. I have a bootable usb with Ubuntu on it that I can ...
6
votes
1answer
4k views
What is UUID, PARTUUID and PTUUID?
In blkid output some lines contain UUID and PARTUUID pairs and others only PTUUID. What do they mean?
In particular, why two IDs are required for partition and why some partitions are identified by ...
1
vote
2answers
3k views
Resizing the ESP /boot/efi partition
I have an existing Debian 9 installation on a 2 TB GPT formatted internal SSD/SATA hybrid hard disk on a brand new Acer laptop. The entire Debian install takes up a mere 600 GB of the hard drive. No ...
