fdisk command-line utility that provides disk partitioning

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Repartitioning on dual boot machine

Years ago, when Redhat failed on LILO, I was given an Ubuntu CD and booted from it. From there, I could see how the partitioning was set up. I was not only able to correct the issue with finding ...
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How can I split a partition in a RAID1 array on ubuntu?

I just purchased a brand new server on OVH with disk specification: 2 x480GB of SSD SOFT. When I do df -h, the output is: Filesystem Size Used Avail Use% Mounted on /dev/root 20G 13G ...
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mount xbox 360 formated disk

I have a game save data on a usb pen drive. Ubuntu doensnt recognize the disk file system though. I used the command fdisk -l, and tried installing netware 386 packages, but the disk still wound ...
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20 views

How do I fix my partitions?

I installed Ubuntu for an rPi 2 on an 8GiB micro SD card. However, when I subsequently set about installing software I ran out of space. That's because I forgot to repartition immediately after ...
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8k views

cannot create a partition table on /dev/sdb

when I'm trying to create a partition table on my 8gb sd card, its showing this error: fdisk: unable to read /dev/sdb: Input/output error I have used sudo fdisk -l , there the /dev/sdb is not ...
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32k views

How do I create and tune an ext4 partition from the command-line?

PARTITIONING (e.g. fdisk) What are some useful commands used for partitioning an additional hard drive from the command-line? Since most published guides steer towards GParted and other graphical ...
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659 views

SATA SSD GTP table will not reformat

I wanted to reformat my drive as msdos table so i could use it in another system without uefi and put a new installation on it since the laptop it was in died. That said, i first tried gparted and ...
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78 views

Format usb linux Western Digital external disks

How can I format an external USB drive? I have a Western Digital external usb which adds automatically a virtual read-only CD partition which prevented me to run the standard ways to format a disk. ...
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Ubuntu disk msdos partition fix reverse order

the disk info Hey.. I just made a mistake trying to convert a primary into a logical partition. and then it become a disaster to me.. my original disk partition: /dev/sda1 Windows Disk C, ntfs ...
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whats going on with fdisk?

I was trying to find the device mount point of my smart phone, when I ran sudo fdisk -l and saw something more curious. ... Disk /dev/ram14: 64 MiB, 67108864 bytes, 131072 sectors Units: sectors of ...
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31 views

Server partition problem /boot full

we are using a 1un1.de server which comes with a very strange arrangement of partitions. I need to reallocate the space from /data to / because / has only 4GB in total and /data has all the space in ...
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872 views

USB stick shows up as two drives!

I was given a free 1GB USB at an event a few months ago - however, when I plug it in to my Ubuntu laptop, the USB shows up as two drives (/dev/sdb and /dev/sdc). I have checked it isn't just ...
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35 views

Repartition drive without caring what's on it

I've got a microSDHC which appears to have a broken partition table. When I plugged it in there where a lot of folders and I was able to copy some files of it. But most files had a filesize 0 and most ...
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1answer
49 views

Thumbdrive fix? “unable to detect file system” 16GB causes 2GB partition

I have a Corsair Flash Voyager 16GB drive. It has worked fine for ages, though I barely use it. I wanted to wipe all the data on it/return it to zeros, so I used sudo dd if=/dev/zero of=/dev/sdb1 ...
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154 views

When using fdisk, how do I find what partition numbers are already in use?

When I create a new partition with fdisk, I am asked to choose a number for the new partition (1 through 4). Is this number the same as the integer value for "ID" when I use fdisk -l ? If so, why ...
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241 views

how to partition 4tb drive with fdisk (cfdisk)?

I would like to buy big internal hard drive - bigger than 2tb, maybe 4tb. And I want to partition it with old fashioned fdisk. By doing it, I want to make two partitions, each less than 2tb. After ...
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55 views

Large Sized HDD not recognized correctly?

Hello I have a question with newly installed HDD for my ubuntu file server. Motherboard: P7P55D-E LX<br> New HDD: WD NAS RED 4TB<br> OS : Ubuntu 14.04.1<br><br> ...
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64 views

disk in fdisk but not by-uuid

I have 3 disks that are showing up in fdisk, they appear to partition correctly but 2 of them (sdc and sdd) won't show up in /dev/disk/by-uuid. My fdisk output looks like this, _____@_____:~$ sudo ...
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92 views

why fdisk doesn't show free space and cfdisk does?

root@mik-Aspire-E5-571:~# lsb_release -a|grep Ubuntu Distributor ID: Ubuntu Description: Ubuntu 15.04 root@mik-Aspire-E5-571:~# root@mik-Aspire-E5-571:~# fdisk -l /dev/sda Disk /dev/sda: 465,8 ...
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837 views

How use wipefs with fdisk msg (15.04)

I have a 2TiB disk with exFat video on. I discovered that fdisk gives this message: Welcome to fdisk (util-linux 2.25.2). Changes will remain in memory only, until you decide to write them. Be ...
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29 views

Formatting a disk as a single partition

Up until recently, I used to be able to create a volume on AWS, then format it ans use the entire disk as a single partition. I tried doing the following: Crate a volume using the AWS EC2 admin ...
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80 views

How to check which disk is mounted where? How to mount all spare disks?

Doing a df -h: alvas@mt:~$ df -h Filesystem Size Used Avail Use% Mounted on /dev/sda2 3.5T 2.7T 597G 83% / none 4.0K 0 4.0K 0% /sys/fs/cgroup udev 63G ...
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912 views

File system has become read-only after updating to 15.04?

I stupidly decided to update from 14.04LTS to 14.10 and then 15.04. Since doing that, my website has gone down and file system has become read only. I have no idea what has gone wrong, as the updates ...
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142 views

fdisk problem on sd card

Everytime when I run: sudo fdisk /dev/sdc. i get this message. You must set cylinders. You can do this from the extra functions menu. I have set the cylinders value by ...
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3k views

no media detected on a usb flash drive

I have a Kingston DT MicroDuo 3.0 and it was working fine till it didn't mount on Windows, Mac nor Ubuntu It appears in the disk utility as /dev/sdd and in the volumes area it shows no media detected ...
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1k views

Can't erase everything (partition/data) on sdcard, even with dd

I have a Kingston sdcard (16g) with partition and data written on it. here is the output of root@victor-ss9:/home/victor# fdisk -l /dev/sdf Disk /dev/sdf: 15.6 GB, 15560867840 bytes 4 heads, 16 ...
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136 views

Mounted External Drive Doesn't Show Correct Size

I have an external USB drive with 2.0 TB connected to a machine running Ubuntu Server 14.04. I used: fdisk -l and I can see that my at dev/sdd1. Here is the output: WARNING: GPT (GUID ...
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100 views

SSD I/O error due to fsync failure

During a normal usage my system froze all of a sudden and then I had to reboot it after which I found the following log of errors. I am not able to even reinstall ubuntu because of I/O errors. Now I ...
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146 views

Resizing ext4 partition with ext4 partition on runtime

I have burnt an image on a 32gb SD card and about 28gb was unallocated. I have used the disk utility on the unallocated space and made him ext4 28gb. now, I wish to extended the primary ext4 ...
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348 views

Create new partition with fdisk [closed]

I have Ubuntu 14.04.2 LTS (32-bit) running in VMware Workstation 10.0.3 build-1895310. I have just modified the Virtual Machine Settings, expanding the Hard Disk from 20 GB to 30 GB. So I would like ...
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314 views

The CRC for the main partition and back up partition table are invalid

I've been having problems with my HDD since I tried dual booting ubuntu 14.04 with windows 8.1. When I was installing from the ubuntu installer I was receiving "input/output error during write on ...
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564 views

Intermittent - Error: No space left on device

Having intermittent issues when starting and stopping searches. I get a Error: No space left on device intermittently. Have done some searches and most fixes are related to inodes, which you can ...
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408 views

USB device in lsusb and dmesg, not in fdisk or /dev

I try to connect my camera to my laptop via USB. dmesg seems happy: [70259.740098] usb 1-1: new high-speed USB device number 7 using ehci-pci [70259.933939] usb 1-1: New USB device found, ...
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2k views

fdisk sector size and alignment issues

I executed the command: # fdisk /dev/sda1 The output was: The device presents a logical sector size that is smaller than the physical sector size. Aligning to a physical sector (or optimal I/O) ...
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89 views

Can't resize partiton on Lexar USB drive

Strange reading from fdisk... ~# fdisk -l /dev/sdd1 Disk /dev/sdd1: 29.2 GiB, 31378272256 bytes, 61285688 sectors Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / ...
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219 views

Micro SD card problem : file deleted successfully but not actually

I have a micro SD card from Sandisk which is Mobile ultra of size 64 GB class 10. I was using with my mobile. I wanted to format it after 1 year. I deleted several files successfully as per system ...
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270 views

Testdisk can't/won't recognise hard disk

After moving a number of hard drives from an Ubuntu desktop to dedicated Ubuntu server, I'm finding it hard to get Ubuntu server to recognise one of the drives. It's a 4tb WD green which was formatted ...
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199 views

Gparted Error “Unable to satisfy all the constraints on the partition”

I have dual booted Windows 7 & Ubuntu 14.04 with EasyBCD, i.e. I have installed grub on the Ubuntu root partition & added entry of linux to Windows bootloader using EasyBCD. So effectively i ...
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43 views

Help interpreting fdisk after boot problems

I duelboot Windows 8.1 and Ubuntu on my laptop (unfortunately I can't remember which version of ubuntu I have). I today tried to boot it up and received the message "error: no such partition" when ...
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129 views

Why doesn't this custom created usb drive image mount?

I'm trying to mount a custom usb drive image created with fdisk. This is how I created the image: Created a file of the exact same size of an old usb drive image used as a model: dd if=/dev/zero ...
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12k views

How do I create a backup image of an SD card?

I have to copy my SD card to my hard-drive. I know that I have to mount and unmount it, but the following line doesn't work: dd if=/media/oneiric of=~/sd-card-copy.img That was my first try, but ...
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74 views

Drive bay not working when empty on startup

I have a SATA drive bay, which only works when having a drive inserted at startup. If I start the system and then enter a drive, it starts running (makes sounds and is vibrating), but it won't even ...
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147 views

fdisk /dev/sda fail, possible to restore?

I'm new here, so I hope I post this in a place where someone is able to help me. Earlier today I was messing around with fdisk to be able to run my windows partition through a VirtualBox. At a point ...
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58 views

odd results in fdisk for a USB sound card with storage

I have a USB sound card (a Creative SB X-Fi Go!) which works perfectly (both as a soundcard and as a storage device) under Ubuntu and reports to Disks as having a 1GB Fat partition as in this ...
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162 views

mount boot camp partition

I have my hard drive from my mac it has a boot camp patition, but the mac is dead. Ubutnu sees the partition, calling it /dev/sdc3 and reporting that it has a basic linux data partition. I tried to ...
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52 views

Fdisk cylinder doesn't match device format

I plugged in a USB device into my computer and ran fdisk on the partition, giving the following: Disk /dev/sdb: 16.9 GB, 16944988160 bytes 255 heads, 63 sectors/track, 2060 cylinders, total 33095680 ...
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115 views

mount laptop hard drive disk from live DVD

I was following directions for changing the password for Microsoft Windows (on a laptop) with chnptw, but when I navigated to /mnt and /media the directories were empty -- I believe that the /mnt ...
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466 views

Whole disk unallocated? Gparted error or partition overlapping?

Story: Yesterday I wanted to make my Ubuntu partition bigger so I ran Windows (Dual boot) and decreased size of my D drive size. It wanted me to reboot computer, when it was starting up it done ...
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1k views

disk space wrongly displayed after installing LVM disk

I installed ubuntu server using LVM partitioning on a 1 TB hard disk. However, after installation, i can only see 10 Gig space here is the fidsk output ` # fdisk -l Disk /dev/sda: 1000.2 GB, ...
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100 views

Weird NTFS partition display

I just installed Ubuntu 14.04 on my PC next to Windows 8.1. I have a second HDD which I use to save my documents etc... I have partitioned the disk (SDB) in four NTFS partitions (I made them in ...