Questions tagged [gpt]

GUID Partition Table (GPT)

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Why LVM PV UUID has non-hexadecimal characters, when the UUID standard requires them?

Trying to recover a disk with GPT partitions used as LVM2 Physical Volumes. LVM config file gives me the disk UUID: physical_volumes { pv0 { id = "TDOcy3-NrVX-Kmx8-...
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Root disk mbr and non-root gpt

I have an ec2 instance on aws running linux, with a root volume and another volume for data. Both are ext4. I need to increase the data volume size to more than 2 TB. However currently the ...
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Adaptec 6805 accessing to JBOD with GPT / NTFS

I have several hard drives with GPT and NTFS volumes, and I plugged them to an Adaptec 6805 but The volumes are not visibles from Windows 10 and from MaxView. The only option I have ti to initialize (...
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Disk doesn't show any partition table or partition changes

I wanted to clone an encrypted drive to a new drive, so I set up CloneZilla to do a disk-to-disk clone. At the beginning, it said 9 hours to run, so I let it run overnight. The next day, it had 145 ...
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How to restore GPT table from backup table?

I'm not sure if my disk is actually broken or just has some corrupt GPT data fdisk /dev/sda Welcome to fdisk (util-linux 2.36.1). Changes will remain in memory only, until you decide to write them. ...
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Converting sgdisk to sfdisk for old machine with MBR

I want to put ZFS on an old machine, however it apparently fails to boot with GPT. So I wanted to convert this script, mainly these 3 lines to sfdisk, which uses MBR. https://github.com/terem42/zfs-...
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Booting old server with GPT disk

I have an old HP proliant server with regular BIOS. I'm planning to replace the 1TB system disk with a 4TB in it since the old DOS based partition table only supports 2TB I planning to put GPT and ...
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Migrating Drives from Windows to Unix server

I am planning to migrate from a Windows operating System to a Unix based System. My thought fell to ubuntu server at first but I have not put much thought into which distro to use yet. Right now, ...
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Windows Server - how to shrink partition on GPT disk from the front?

I'm looking for a way to shrink a partition on a GPT disk from the front on production servers. With diskpart it's only possible to shrink the space from the end. Ideally while running
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How to convert LVM on MDADM RAID1 on two MBR partitioned drives to GPT without data loss

I have an Ubuntu 18.04 LTS Server with two 3TB Fujitsu SATA disks with MBR partition tables. Output from fdisk -l and lsblk is shown below : sudo fdisk -l /dev/sd[ab] Disk /dev/sda: 2,7 TiB, ...
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ESXi management fails, refusing connections, after copying in the boot drive from a backup

I’m writing this after having found the solution myself, because it was such a strange “gotcha” it deserves to be documented. Although I hit this issue while doing a restore, it’s possible this could ...
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How to convert my hard disk PartitionStyle from GPT back to RAW in Windows 10

For testing purposes, I need my hard drive on Windows 10 machine to be in a RAW partition style format. It is currently in the GPT partition style. The hard drive is a secondary hard drive and does ...
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systemd-gpt-auto-generator doesn't mount EFI system partition

according to the documentation, the systemd-gpt-auto-generator should automatically find the EFI system partition and generate a mount unit to mount it on /efi. However this does not appear to work on ...
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bcdedit doesn't work in Windows PE when Applying/Deploying/Restoring an Image?

I captured an image and I'm trying to restore it to a different VM without using Sysprep since I'm actively using the vm server I want to clone and I don't want to have to set it back up again, I ...
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INACCESSIBLE BOOT DEVICE on Windows Server 2019 after Windows update installation

Was doing routine updates and one of our Windows Server 2019 hypervisors didn't come back up afterwards. Instead it gives the error "INACCESSIBLE BOOT DEVICE". I've followed various guides ...
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Creating a backup ignoring unallocated space with GPT table

I want to create a full disk backup of a linux installation (including gpt, bootloader). The system is installed on a 128GB SSD but only ~32GB are used with partitions, the rest is unallocated space. ...
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Convert MBR linux disk to GPT to run Windows 10

I'm in a situation where I want to reformat my main SSD hard drive (500GB) to run Windows 10. Currently it is running linux (ubuntu). I have a bootable Windows 10 install USB, however when I try to ...
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unable to convert MBR disk to GPT

I've got a MySQL DB running in EC2 that I've had to continually add space to the EBS volume, then grow it (using growpart/xfs_growfs). I finally hit 2TB and couldn't figure out why I could no longer ...
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Automatically extend VM partition filesystem following a qemu-img resize

I'm launching a virtual machine with QEMU/KVM. After resizing the qcow2 disk image via qemu-img resize Test.qcow2 +500M And looking at the instance disk via: fdisk -l inside the instance, I can ...
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How do I convert my linux disk from MBR to GPT with UEFI?

I have a linux box (Ubuntu 16.04) whose boot disk is partitioned using MBR. How can I convert it to GPT+UEFI?
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moving/creating new EFI partition to new drive

In a Win 10 workstation I have 4 drives and need some drive/partition guidance. Disk 1 has the 100MB EFI system partition, a 2nd 1.8TB partition with data, and a 450 MB partition following that with ...
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What are the steps to convert an EBS boot volume from MBR to GPT without data loss? (Using Ubuntu)

I would like to extend one of my Ubuntu servers main/boot drive beyond 2TB. I know that I need to convert the drive to use GPT, and I'm confident that I can extend the size as needed once I'm able to ...
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4TB drives only show as 2T in Windows server 2016

I have some 4T SATA drives in GPT, they only be detected as 2T drive under Windows server 2016, but they all be seen as full capacity = 4T under FreeNAS. All the hardware configuration is the same, ...
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install grub 0.97 to new 4TB disk

Stooped question but I cant understand why it not work. I have rhel 5.5 kernel 2.18. I clone OS from 750 gb disk to another 4 TB disk. I parted disk to 2 partition. 10gb sda1 40 gb sda2 I clone ...
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Change name of GPT Partition (not label) under Windows from command line

I need to change the name of a GPT partition (not a filesystem label), and I haven't found any way to do it under Windows, except for this tool. The problem is that it's interactive and doesn't ...
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How can I make old hardware work with new (large) drives?

Good afternoon, I picked up three Dell Poweredge 1950s and 4 SunFire X2200s from my local surplus store with the intention to finally build that cluster I've been thinking about for a few months. ...
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Debian - software RAID 1 in UEFI mode

I am a beginner in UEFI, so excuse me if this question is vey simple. I have two 3 TB disks and want to install Debian 9.4 with RAID1 in UEFI mode.After reading all the information I am thinking about ...
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How to create software raid on working ubuntu server with gpt?

i have this structure of hdd on my server: fdisk -l Disk /dev/sda: 2.7 TiB, 3000592982016 bytes, 5860533168 sectors Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / ...
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How to convert MBR to GPT and change from BIOS/legacy boot to UEFI

I am trying to convert a Windows 10 Enterprise VM from BIOS boot to EFI/UEFI. After extensive research I found the built-in "MBR2GPT" tool that MS released with Fall Creators Update: https://docs....
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GParted shows Raid1 partition as Ext4, how can I correct that?

As I've recently bought some extra disks to store my VM disks redundantly, hoping for some increased read performance and redundancy in case drives fail, I started building a RAID array. I've ...
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BTX halted error on FreeBSD

I understand there are a few threads about this out there but my issue seems particular. Recently my boot disk, an SSD, failed and I have just rebuilt it. Given the opportunity, I thought I might go ...
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2 answers
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What is Grub-install actually doing?

I have a client who accidentally converted the partition table of one of their Linux system from DOS to GPT. Unfortunately, the GRUB version is 2, and the system didn't have a BIOS boot partition for ...
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Is it not possible to use 4x1TB disks in RAID5, when booting from the same VD?

I've just got a couple of 2010 Dell servers. One of them has 4x 1TB disks. I configured them in the RAID controller to use all of them in RAID5 to give me 3TB of storage + 1TB for parity. There are no ...
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17 votes
2 answers
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Is GPT needed on a 16 TB data disk?

I have made /dev/sdb which is a 16 TB disk using hardware RAID, where I am temped to put XFS directly on /dev/sdb without making partitions. In the future will I need to expand this to double the ...
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Ubuntu 16.04 Server new installation can't get past Grub (Probable UEFI issue)

Attempting to install Ubuntu 16.04 Server onto a newly initialised disk. Using UEFI, and a 4.5TB / partition. After installing without issue, on rebooting, the server will not get past Grub. ...
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4 votes
3 answers
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How can I quickly clear GPT partition data from a disk?

I want to do a quick "wipe" of some disks so they look like they're ready to be newly partitioned. Currently there is a GPT partition type on disk, which seems to write some data both at the ...
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What happens to GPT Partition after OS Reinstallation

I plan to reinstall a server 2008 OS, but i have other 4TB hard disks (G:,H:,I:)with GPT. Would i loose the GPT config and all the data on other drives after reinstalling the OS on C:?
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unable to mount XFS after rescue

I am facing strange problem with XFS file system. Below is the exact scenario: I'd a corrupt 2 TB disk with XFS (I/O error), so that decide to rescue data from old disk to new disk. I'd run ddrescue ...
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1 answer
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Is it possible and wise to put the grub bios partition on a software raid?

in a two disk setup /dev/sda /dev/sdb i created per disk 3 partitions bios_grub 1mb linux raid 512mb md0 (/boot - ext3) linux raid rest md1 (physical volume for lvm) the answer on https://...
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How to mark a linux volume as a blank/empty (before deleting partition table)

I have a bunch of disks where the partition tables are very similar (nearly identical) I need to 'erase' these disks, such that when a new partition table is created any volumes that existed prior to ...
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4TB drives in RAID 1 with Promise SuperTrak EX8350

Two 4TB drives are connected to a Promise SuperTrak EX8350 controller with the intention of setting-up a RAID 1 array. Before attempting to create any logical drives, the capacities of both drives ...
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5 answers
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Resizing partition fdisk fails with invalid argument

I recently resized a VPS from a 50GB SSD to a 300GB SSD through my hoster's control panel. I now am trying to resize my main partition with fdisk to be able to use all the new space. However, fdisk ...
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How can I create a GPT partition label and mount the partition using its label in Ubuntu?

I'm trying to assign a partition label to a GPT partition, and use that partition label as an identifier for mounting in Ubuntu 14.04. So first I setup GPT and created a partition on the volume: ~# ...
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Installing Server 2012R2 on VM with GPT harddrive issues

So... long story short I'm working on automated installations of Windows Server 2012 R2 on systems with GPT drives both physical and virtual. I haven't brought the disk back down stairs to the ...
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Combining partition types lvm

I have an older disk setup that was made with msdos parition types and it appears that they kept growing the same disk in order to grow the lvm however it ran into an issue where it got to 2TB and ...
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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 ...
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CentOS 7: GPT and software RAID 1 without 'biosboot' partition

I have a CentOS 6 server with software RAID1 (2x3TB): - sda # parted /dev/sda unit s print Model: ATA TOSHIBA DT01ACA3 (scsi) Disk /dev/sda: 5860533168s Sector size (logical/physical): 512B/4096B ...
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Are there any notable advantages (or disadvantages) to using EFI firmware and GPT boot disks in an ESXi environment?

My basic question is, as the title asks: are there any notable advantages (or disadvantages) to using EFI firmware and GPT boot disks in an ESXi environment? By "notable," I mean anything other than ...
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Installing RHEL 5.8 on > 2TB drive

I'm trying to install RHEL 5.8 x64 on Cisco UCS C240 server with 4TB OS Drive. The drive is behind LSI MegaSAS. Before installing RHEL, I booted off from an Ububtu 14.04 Live DVD. Using gparted, ...
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DL160 G5 fails to boot CentOS 5.11

I'm trying to install CentOS 5.11 on DL160 G5, with 4 bays holding 3TB sized drives. The installation with default partition layout completes successfully, however on boot I get to a blinking cursor ...
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