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Questions tagged [mbr]

56 questions
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Windows Server 2008 - Will not boot normally, only boots into Safe Mode

I have a less than one month old server on which Windows Server 2008 R2 is installed. I have a 2 mirrored disk drives in there. I attempted a RAM upgrade, which did not go well possibly due to memory density issues. The server refused to even POST,…
Agent
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Resize an OS disk that has a MBR partition - azure linux vm

We have a managed OS disk attached to a Linux VM (Ubuntu) that have 64 GB in size, and it's using MBR partition table with azure vm generation 1, now we want to expand the disk space to 128 GB ! From the azure doc I found this article…
Hamza AZIZ
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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-hetzner-vm (Debian11) sgdisk -a1 -n1:24K:+1000K …
Ne00n
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Is there any kind of complete RFC document for MBR (master boot record) format - better with explanations?

I am designing the code enumerating the partitions in the system. Reading numerous documents I can not devise complete and definite list of constraints for the algorithm, and find out why constraints exist. Root MBR is having 4 entries, and thus…
Anonymous
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Make use of increased storage space on MBR OS disk on Centos 7.3 in Azure

(I'm quite new to disk management and partitions, so some terminology might be mixed and confused) I'm attempting to increase the size of the OS disk on our Centos 7.3 VM on Azure in order to (hopefully) smoothly migrate an existing machine from a…
Kyrre
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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 install it, I am presented with an error saying…
AndyPerlitch
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Why I cant read/mount on macosx external disk formatted extfat?

I have connected via USB this SATA disk previously mounted on a Linux system in a RAID 1 HW configuration: I have installed ext4fuse to mount the FS. First of all I checked the drive with: diskutil info -all Device Identifier: disk2 …
koalaok
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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 other HDDs in the server. I wanted to just have…
Danny Beckett
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How to edit Master Boot Record from Windows XP recovery console

How to alter Master Boot Record from Windows XP Recovery Console so that it points at an extended Linux partition instead of a NTFS one it is pointing at now? My MBR used to point at extended partition and every time I powered on a Linux loader…
Alex
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Deleted MBR on virtual machine on purpose, but entries are preserved

I'm playing with Master boot record. I decided to delete and restore it on my vmware machine. With Ubuntu LiveCD I'm trying to erase partition entries and signature with command: dd if=/dev/zero of=/dev/sda bs=1 skip=446 count=66 or: dd…
user3345632
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Windows Server 2008 RAID setup

I have a relatively old Windows Server 2008 machine that I am upgrading the disk space on. The disk hardware I am upgrading to is: 2TB WD - WD20EARX 2TB Seagate - ST2000DM001 1TB Seagate - ST31000528AS 1TB Hitachi - HDS721010CLA332 Spare 500GB…
BarryBostwick
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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 screen - it's not even reaching GRUB. I've tried…
SyRenity
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BIOS to UEFI no backup restore possible?

We have a DELL R510 server with Windows SBS 2011 (Data, Exchange, ...), we running out of space on the server. We currently have this configuration: 2x 300GB SAS in RAID 1 2x 2TB SATA in RAID 1 We want to add 4x 4TB SAS in RAID 10. To be able to…
MaHebert
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How to move System Reserved Flag to another partition?

I have a Dell PE R310 that came with Windows 2008 R2 with a 2 GB FAT32 partition that I want to delete. But I can't because, because it currently has the "System" flag set. How do I move it to the 32mb partition I have, assuming to be the "System…
NeerPatel
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Recover Linux vmdk VMware file

I am running Xubuntu 12.04 inside VMware Workstation 7. Long story short, I had created a restore script for another PC that wiped the full 512 byte MBR, ran fdisk to create some partitions, and then restored them through tools like partimage.…
Jack
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