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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 ...
0
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1answer
858 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 ...
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1answer
1k 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 ...
6
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1answer
4k 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 ...
3
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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 ...
3
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3answers
2k 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 ...
1
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1answer
29 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
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1answer
13 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
56 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 ...
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0answers
23 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
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0answers
37 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
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1answer
130 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 ...
4
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3answers
7k 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 ...
1
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1answer
68 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
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1answer
202 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 ...
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4answers
43k 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 ...
1
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1answer
511 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
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1answer
38 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 ...
1
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1answer
313 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
2answers
267 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
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1answer
82 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 ...
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4answers
1k 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 ...
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1answer
298 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 ...
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1answer
1k 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) ...
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1answer
593 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 ...
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1answer
9k 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 -> ...
0
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1answer
67 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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2answers
4k 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
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1answer
284 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 ...
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1answer
1k 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 ...
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0answers
124 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?
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4answers
13k views

GPT or MBR: How do I know?

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

NTFS-fs warning (device sdaX): load_system_files()

I'm installing Arch Linux on a UEFI-GPT computer, dual boot with Windows 8.1. GRUB is installed correctly, but when I inserted the command (on chroot) grub-mkconfig -o /boot/grub/grub.cfg I ...
2
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1answer
5k 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 ...
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0answers
37 views

Installing windows after ubuntu 13

I have installed Ubuntu 13 and now I need to install Windows 8 (dual boot). But when I try to install Windows it says "cannot install on GPT table". This view is shown on 'disk' on Ubuntu. I need to ...
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2answers
1k 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 ...
0
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0answers
31 views

How to add entries in GPT/ guid table without booting in is?

I foolishly deleted entries from guid or gpt table while messing up with gdisk utility, As a result no bootable partition shows up on startup ! I'm stuck at blank screen please help ! How shoul I ...
1
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1answer
876 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 ...
1
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0answers
3k 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: ...
3
votes
1answer
662 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
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2answers
325 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 ...
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0answers
242 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
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1answer
194 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 ...
2
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1answer
954 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 ...
2
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1answer
329 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 ...
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2answers
52k 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
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1answer
883 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 ...
2
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0answers
682 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 ...
2
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0answers
457 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 ...
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3answers
440 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 ...