Disk partitioning is the act of dividing a hard disk drive into multiple logical storage units referred to as partitions, to treat one physical disk drive as if it were multiple disks.

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Partition offset at 63 or 64?

I did not wish to use the entire SSD for OpenBSD 5.5. (The SSD is new and pre-formatted with MSDOS using Gparted) During installation and at the fdisk stage, I chose Partition #: 0 to install OpenBSD ...
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68 views

Migrate /home to another physical drive

I recently cleared about 500GB of junk from my HDD. Since I'm pretty low on space on my Arch install, I figured I'd dedicate 200GB of that to /home. Problem is that my /home partition is located on my ...
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39 views

Two HDD partitions with the same name result in uncertain directories

I'm running Ubuntu 14.04 on a machine that has a lot of hard drives plugged into it. These hard drives have partitions with old OS's which have a lot of key data that I use often. The problem is, I ...
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1answer
207 views

Fix LVM physical volume definition after removing /dev/sdb

Recently I set up LVM partition with an new disc /dev/sdc. I created the LVM with the following commands: pvcreate /dev/sdc vgcreate data /dev/sdc mkfs.ext4 /dev/data/srv tune2fs -m 0 ...
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2answers
91 views

Can I partition around a bad block on a harddrive?

I used a computer too much, running a script for many weeks. Eventually, Debian printed a thousand errors and shutdown, and won't start again. When I ran DBAN on the drive, to write 0's to the disk ...
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1answer
100 views

Windows installer complains that it can only be installed on a primary partition

I have Linux mint installed on my system as primary partition. I want to install windows 8 along side with it (Dual boot). But when I try to install windows 8 installer says (windows can only be ...
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1answer
280 views

Partially overwrote /dev/sda, can I recover anything?

I was messing around with my new hard drive, which only contains some personal files, and to check its write speed, I typed: sudo dd if=/dev/zero of=/dev/sda, /dev/sda/ being the new 2 TB connected to ...
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3answers
516 views

FreeBSD 10 with Root-on-ZFS using only a part of the disk

I'm having a bit of trouble here. I'll try and be as concise as possible in describing my objective: I'm setting up a storage server for my employer, using two Intel DC S3500 series 120GB solid state ...
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56 views

change boot order

I have 2 partitions sda1 XP and sda2 CENTOS. I have reinstalled grub on /dev/sda but on rebooting, I experienced: error : 22 no such parition for Centos; while Windows boots charmingly on the other. ...
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1answer
57 views

Prevent linux from auto scan and mapping partitions on some disk [closed]

TL;DR Linux scan disk (for example /dev/sdc) and add files to address partitions on that disk (for example /dev/sdc1) - how can I tell Linux to not do that for some disk? Long story: I used VM ...
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1answer
152 views

Select drive partition table in preseed file automated Debian install

I am using a preseed file for my Debian installs. I am using 1TB drives, and I would like to use MS-DOS partition tables. It is defaulting to GPT. Is there a way to choose which type of table to ...
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1answer
63 views

Format USB drive

I have a USB drive which I format with sudo mkfs.vfat -I /dev/sdb1 When I then look at the size of the USB drive with df -h, it reports its size to be 64 MB, though it should be 8 GB. What am I ...
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213 views

Dual boot Linux partition scheme with encryption

I am trying to figure out how I should encrypt my machine. I am reorganizing and will have two 500GB drives. I am setting up a dual boot system (both linux). My prospective partition scheme: sda: ...
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0answers
175 views

Can't install Ubuntu because pc keeps shutting down

I can't install Ubuntu because during the "copying files" my PC powers off. I've downloaded Ubuntu 14.04 with WUBI on my Windows 8.1 32-bit PC. I made a new partition with 15.9GB, (I don't know if I ...
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40 views

Know which partitions are primary and which logical

I have Windows and Ubuntu installed on the same laptop. How can I know which partitions are logical or primary using the command line?
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1answer
42 views

Install Ubuntu partitions

I am a completely newbie. I want to install Ubuntu 14.04 in my laptop on which windows 8.1 is installed. I have read in some sites that I have to use Gparted or similar tools, but there are also sites ...
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2answers
49 views

Is there any danger in changing the labels of my hard drives?

I've have both Ubuntu and Arch installed on my computer, and want to change the labels of the / and /home partitions (four in total), to make it clear which is which. Can this potentially break ...
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0answers
46 views

How to repair lost gpt partition table?

I have a 3TB Seagate. The disk was from an raid system and had 1 partition sdb1 with 3TB and ext4 filesystem. As i wanted to prepair a new disk for a raid, i exchanged in sgdisk sdb1 with an raid disk ...
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1answer
298 views

Swap partition in LVM?

I was wondering if putting the swap partition into a logical volume group has any drawbacks (e.g. performance), or would it be "just the same" as having it as a separate primary/logical partition? I ...
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2answers
340 views

dd to clone to smaller sdcard

One of my Raspberry Pi's is using a 4GB SDcard for the root/boot filesystem. As seen when mounted on another system: Disk /dev/sdc: 3904 MB, 3904897024 bytes 121 heads, 62 sectors/track, 1016 ...
2
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1answer
201 views

Extend partition size without unmounting it

I would like to create an image of a Linux Mint disc. Then I'd like to copy it to a bigger disc and extend its partition to the full size of the disc. I have already copied the disc using WinImage ...
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272 views

Forced reread of partition table: difference between BLKRRPART and BLKPG ioctl? (Linux)

When I want Linux to consider newly created partitions without rebooting, I have several tools available to force a refresh of the kernel "partition cache": partx -va /dev/sdX kpartx -va /dev/sdX ...
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1answer
134 views

Windows 7 not working correctly after partition resize

I resized the Windows partition from Linux in order to be able to install Elementary OS. After resizing I tried booting to Windows, however it asks to boot normally or in recovery mode. When I select ...
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2answers
63 views

On Arch Linux Partitioning [closed]

I've been going through the Arch Linux beginner's guide and I'm a bit confused on partitioning the OS. It says I can either have just a root partition or a root and /home partition. What are the ...
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2answers
164 views

How to destroy existing disk partitions

I added some disks to my system, which were in use before. I tried to create them: $ gpart create -s GPT ada0 gpart: geom 'ada0': Operation not permitted $ gpart show ada0 gpart: No such geom: ada0. ...
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1answer
507 views

Recommended partition size of SD card for Ubuntu for BeagleBone black [closed]

I am using 16GB SD card for building Ubuntu from scratch for BeagleBone Black. So, I have to make two partition of my SD card, one for Rootfs and second one for Zimage and other stuff. Initially I ...
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178 views

How to find hidden partition of a USB in linux

I have a USB, which has a protected partition. I think this USB has hidden partitions, which I can't see them. $ fdisk -l /dev/sdb: You must set cylinders. You can do this from the extra functions ...
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1answer
85 views

Why is my hard drive out of space if gparted says I have 500+GB

I recently installed Debian on my machine and made separate / and /home partitions. Yet my disk usage analyzer shows that my /home is inside /. But gparted shows that /home is indeed in it's own ...
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2answers
190 views

Why does “df -h” show out of sync space used? [duplicate]

I have tried different commands to see sizes of partitions and space used/left and it seems that they always differ in their results. Here is my space used/left with from the command df -h: Size ...
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1answer
85 views

mixed raid types

I am about to reinitialise my (SW) raid array. Previously the array was raid5 with 4 disks. I've removed one disk in order to install a new additional (larger) drive. What I'd ideally like to do is ...
2
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1answer
20 views

Backup and restore only some partitions

I have a system which runs an arcade machine. It has the regular swap and root partitions, but then I have an extra partition which I call data. Data holds many gigabytes of game content. The idea is ...
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1answer
83 views

Recover from Grub error

I use windows as well as Linux in one laptop. I don't know what I deleted in the partition settings. Suddenly when I restarted my laptop, it showed me the below error message. GRUB loading. Welcome ...
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1answer
120 views

Archlinux, move files to a different partition

During the installation I thought I had generated the correct fstab, but now, after cp complains that the filesystem is full, I discover that fstab is empty. I have this configuration: # lsblk NAME ...
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204 views

Filesystems and Partitions

I have been reading up more on UNIX and have brushed up on different filesystems and partitioning HDs. In the book it mentioned that filesystems are very much different than partitions and one ...
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1answer
105 views

Locating the /dev entry to make partitions on an SD card

I am trying to create partition of SD card, for this I am following this tutorial. When I type the command ll /dev/mmcblk* I got this ls: cannot access /dev/mmcblk*: No such file or directory ...
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1answer
96 views

Backup LUKS (cryptsetup Command) partition or volume

Can you create a file container/volume in LUKS in the same way that you could do with Truecrypt? Otherwise, how can you backup a LUKS partition? Do you have to clone it, for example with dd? or backup ...
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1answer
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What's the easiest way to resize an ext4 partition from the command line?

What's the easiest way to resize an ext4 partition (or any type partition depending on the method) from the command line (potentially with the fewest commands, but also the easiest to understand)? ...
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1answer
91 views

Sharing partitions in qemu

Apart from networking and partition sharing I've made qemu work pretty much like I want it to. I've got a bit of a special setup, I need to pass through /dev/sda, /dev/sda1 and /dev/sda2. (Is it ...
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72 views

Linux shows one partition but windows shows 4

I have installed Windows 8 on my laptop and now I want to install Linux Mint 14. I want to use both of them. My disk management in Windows shows as follows:    . mint4win in ...
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1answer
92 views

Filesystem types for encrypted partitions

I wish to encrypt two external hard drives using dm-crypt/LUKS for whole-disk encryption. I want one hard drive to have an ext4 filesystem for Linux use only, and the other to have an NTFS filesystem, ...
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302 views

How to know if /dev/hda2 is Primary partition or Extended partition

If all four primary partitions exist on an IDE drive, they are numbered as follows: /dev/hda1 /dev/hda2 /dev/hda3 /dev/hda4 We have also the partitions on a disk with one primary partition and ...
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2answers
64 views

`dd` to specific location [closed]

dd is a great tool for copying and conversion. Is there any way by dd (or by any other way), to dump the first few bytes from a file to an unmounted partition? Something like this: dd if=hda2.pbr ...
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1answer
93 views

why 2TB external HDD is recognized as 800 GB only in Ubuntu 8.10

I had a 2 TB external HDD which I formatted as below. fdisk /dev/sdb After issuing the above command, I did the following steps. Then selected option p. (To print the partition table). Then ...
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2answers
149 views

Does Linux unmount the root partition when the partition is about 80% full? [closed]

Summary Linux seems to be unmounting the root partition, /dev/sda6. I noticed that sda6 is about 80% full. Does Linux unmount this root partition when it gets 80% full, to stop you adding more files? ...
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1answer
2k views

How to increase size of /dev/sda2 in suse running on vmware

how to increase the partition /dev/sda2 partition. df -h : Filesystem Size Used Avail Use% Mounted on /dev/sda2 7.0G 3.7G 3.0G 56% / devtmpfs 432M 172K 432M 1% /dev tmpfs ...
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1answer
94 views

CentOS - Creating a partition for OpenVZ

I've recently installed a fresh copy of CentOS 6.4 and I was going to install OpenVZ on it however on the install instructions it said that it is advised to make a separate EXT4 partition for the VMs. ...
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How to merge partition with gparted?

How I can merge all of my three unallocated spaces? And i want the bigger one to be under /dev/sda5. Gparted screenshot:
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3k views

Zorin/Windows 7 Dual Boot on New Hard Drive, no GRUB!

So my computer had Windows 8 originally, and my hard drive died. I was able to get a dying hard drive from work to use temporarily, and decided to go with Windows 7 this time, as HP had drivers for ...
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95 views

Rebuild mount points after destroying partitions

When I installed Ubuntu, I had a partitions with the windows OS installed, but now I've made some changes, I've erased Windows, created two new partitions in the storage ocuppied by windows before, ...
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1answer
503 views

How can I resize my encrypted root and home partitions, to give root more space?

I need to enlarge my / (root) partition, I have a lot of space on my /home partition so how can I do this? The drive is encrypted with LUKS. My system is Fedora 20. I have another thread here which ...