fdisk command-line utility that provides disk partitioning

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Free up hard disk space from swap

I have created the following hard disk configuration: The output to fdisk -l is: Disk /dev/sda: 27.2 GB, 27179089920 bytes 255 heads, 63 sectors/track, 3304 cylinders, total 53084160 sectors ...
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7 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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13 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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31 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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39 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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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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52 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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33 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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44 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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103 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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37 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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46 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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48 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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1answer
53 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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33 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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54 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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40 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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28 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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84 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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60 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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29 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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63 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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35 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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58 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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262 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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79 views

properly resize OS partition on logical volume

I'm trying to resize my Ubuntu 14.04 VM's OS partition because for some reason it was incredibly small from the beginning. I'm running it on a google compute engine VM and so far ive never touched ...
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55 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 ...
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688 views

Setting up LVM and deleting partition volume

I am running Ubuntu 14.04 LTS in VMware. I recently ran out of space so I decided to add a 10GB volume. The problem is I didn't install ubuntu with lvm initially so now I am trying to do it ...
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27 views

having trouble with partitioning the harddisk

While I use the command fdisk /dev/sdb1 the following error happens. fdisk: unable to read /dev/sdb1: Inappropriate ioctl for devic
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185 views

Hard drive reporting wrong size

I have a 1TB Hitachi drive that has been working just fine. I had to repartition it into vfat because a co-worker's Mac drive was dying and I needed to copy what I could. He took the 1TB drive home ...
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51 views

How do I access my window's files? [duplicate]

I recently replaced the Windows by Ubuntu and I have any files in my Disc. When I had Windows. How Can I Do to access $ sudo fdisk -l to I to recover my disc?
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103 views

Gparted and installed don't see partitions after boot-repair

I'm trying to fix my friend's computer after it got borked by a power surge. It can boot fine from USB, but if you boot the disk, it makes it to grub and then fails no matter which you select. He had ...
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1k views

Creating a RAID1 Array, “Disk doesn't contain a valid partition table”

I'm trying to create (two) software RAID1 arrays on two identical 4TB non-boot drives. I'm following advice from several forum posts but keep running into trouble. Here's what I've done so far: for ...
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68 views

Understanding result of sudo fdisk -l

Please help me decipher the following terminal response: sudo fdisk -l Disk /dev/sda: 500.1 GB, 500107862016 bytes 255 heads, 63 sectors/track, 60801 cylinders, total 976773168 sectors Units = ...
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235 views

Help fdisk 4 (near) identical 1TB drives

I have 4 drives to setup a Raid 5, but apparently they are not identical. I am not sure what steps to take next. It seems that I have (3) 512 and (1) 4096 sized drives. What should I do to format, ...
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104 views

format/build raid 5 with one 4k drive, three 512b

I have 4 WD 1TB drives which I want to 4x1TB Raid5. I am not sure what course of action to take next. How do I configure my 4th drive (sde) to align with the rest? Will this affect performance? I ...
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31 views

Mounting Disk by UUID - FIle Or Directory Does Not Exist? [duplicate]

I have a ubuntu server (14.04) with a few issues. It's rackmountable, but running the desktop version of Ubuntu. It has 3 HDD bays and 1 internal SSD running the OS. Only one of the HDD bays is being ...
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65 views

Formatting for Windows 8 Dual Boot - Drive Not Found

I have a ubuntu PC that I'm trying to install Windows 8 on as a dual boot. I used gparted to shrink the existing partition and create a new one formatted as ntfs, but when I tried to install windows ...
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82 views

Question about sudo fdisk -1

I've been trying to mount an external HDD to my ubuntu server (14.04) but when I try to use the sudo fdisk -1 function it tells me that its an invalid option, is there any way I can fix this? Or any ...
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376 views

Fix write-protected(read-only) filesystem

I made bootable usb drive , then USB drive was write protected. I used followng command hrirks@hrirks-MS-7592:~$ sudo fdisk -l Disk /dev/sda: 500.1 GB, 500107862016 bytes 255 heads, 63 ...
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356 views

Poor SSD RAID0 write performance, alignment on raid?

We have Samsung840Pro 512gb x2 connected to the motherboard's c600 6gbps SATA3.0 ports. The RAID partitions use 100% of each disk: user@blockparty ~ $ sudo fdisk -lu /dev/sdb Disk /dev/sdb: 512.1 ...
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180 views

Cannot mount partition with cryptsetup

I have a spare drive. I've attempted to format it and encrypt it. But even though the process appears to succeed and I can open the crypt, I cannot mount the newly mapped device. Here is the output of ...
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174 views

what does the fdisk output mean

what does sudo fdisk -l mean? This is the output. I installed win7 and ubuntu. Using fdisk, I got four partitions. What does each partition mean? which one is ubuntu? which one is win7? Thanks !
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how to know partitions size [duplicate]

I entered sudo fdisk -l now I want to know how much of my hard disk belong to this partition: Device Boot Start End Blocks Id System /dev/sda2 156264318 273474494 ...
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Used dd to backup a disk, now want to look at the filesystem

I dd copied /dev/sdd sudo dd if=/dev/sdd of=backup.img sudo fdisk backup.img Command (m for help): p Disk backup.img: 143.3 GB, 143274860544 bytes 61 heads, 35 sectors/track, 131069 cylinders, ...
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Lv not showing correct in fdisk

I am working on a project with iscsi to create a iscsi-target and initiator. Right now i made a logical volume which looks like this: But when I do fdisk -l it shows: The problem is why does it ...
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450 views

Not enough space to build proposed filesystem while setting up superblock

Just bought a new external drive. Plugged it in, erased current partition using fdisk and created a new extended partition using fdisk. Used all the defaults for start and end blocks: I then try to ...
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98 views

how to mount file type

I have recently imaged some floppy disks to img files. the disks had some bad blocks. So I am trying to figure out the File system type, so that i can mount, and repair the files. I tried $ sudo ...
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5k 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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101 views

Disk Failure is Imminent after Partion with gParted

I was trying to partition my drive. I used gparted live iso using usb drive. It partitioned successfully but when I logged in Ubuntu again it is showing some problem in my hard drive. Error is Disk ...