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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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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How we can avoid rebooting the system after partition change with fdisk?

When modifying the partition table, fdisk usually returns the following error message: WARNING: Re-reading the partition table failed with error 16: Device or resource busy. The kernel still ...
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Backup of LVM2 logical volume

I'd like to make backup on external drive of LVM2 logical volume in dd manner. Approach I consider is to make lv on extranl drive with identical size copy with dd (Please let me know if you see ...
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What happens to partition labels after removing a partition?

What will happen to all the remaining partition labels if I remove a single partition? For example if I have a layout that looks like this: /dev/sda1 /dev/sda2 /dev/sda3 /dev/sda4 /dev/sda5 and if ...
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Why are partion size and df output different?

I have a partition /dev/sda1. Disk utility shows, it has capacity of 154 GB. df -h shows Filesystem Size Used Avail Use% Mounted on /dev/sda1 123G 104G 14G 89% / devtmpfs ...
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Why would I want to create more partitions if RHEL will only recognize up to 16?

During some basic RHEL training, I came across this blurb: Although it's possible to create more, RHEL will recognize only up to 16 partitions on any individual SATA, SCSI, PATA, or virtual hard ...
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How can I script the creation of a single partition that uses the entire device?

I am specifically using this to partition and mount EBS volumes on Amazon EC2 instances, but really this should be generally applicable to initializing any new drive. As the question says I want to ...
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What is the effect of deleting utility manufacturer partitions?

I am about to erase everything off of my hard drive and install Linux Mint I'm doing this on a Dell laptop, there is a Dell utility partition that I have never used... I have seen these on other ...
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How can I fix a partition conflict?

I am running Ubuntu 10.10 on a 250 gb hdd. I chose at installation to install all on one partition (it was recommended for beginners). Unfortunately, I need to use Windows 7 too. I didn't want to ...
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How to change mount points

I'm not very deep into this mounting/unmouting think on Linux, so here goes my question: With df -h I get the following overview: Filesystem Size Used Avail Use% Mounted on /dev/sda1 ...
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Hard drive/device partition naming convention in Linux

What is the hard disk drive/device partition naming convention in Linux? For example, [hd0,0], sd0, etc. What does it actually mean? What is the significance of this when i need to install multiple ...
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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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How can I partition a volume in a regular file without loop?

I'm trying to play around with OS development, and I started with a boot loader, where phase 0 loads phase 1 from a file (specified by inode) on an ext4 partition (specified by first LBA). Of course, ...
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Fully seperate two accounts without installing seperate operating systems?

Our class is finally installing Mint Linux on our machines. The problem is our teacher is scared that we'll play war games against the two classes that use the computers. His solution is to install ...
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Install Debian over Ubuntu using same home partition

I'm interested in changing from Ubuntu to Debian. I currently have 12.04LTS installed on its own boot partition which is separate from the /home partition. I would simply wipe the Ubuntu partition ...
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What are the ramifications of not having a valid partition table?

I recently upgraded my Ubuntu from 11.10 (Oneiric) to 12.04 (Precise Pangolin) on a Dell Inspiron B130 Laptop. When I run fdisk -l it says that my HD doesn't contain a valid partition table. I have ...
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How to resize an IMG file's partition info?

I made an ISO this way: sudo partimage save /dev/sdc1 /media/56AE8240AE82191F/Backup/xfcefat.iso The resulting iso file is very small but when mounted I see that it has correctly preserved the ...
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Short read while trying to open partition

On my personal home computer running Kubuntu Linux 13.04 I'm having trouble mounting a partition that is very dear to me. My backup policy is to perform a backup about monthly, so I do have a backup ...
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CentOS can't use new extented space on system disc

I have CentOS installed in my VirtualBox and there was small HDD for the system itself(about 8-9GB). After some time of using this, this virtual disc got full and I couldn't install updates so I ...
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How do I backup my partition table?

I just bought a new laptop with Windows 8 preloaded but without an actual Windows disk. I would obliterate the whole thing, but I need to use Visual Studio for one of my classes and the most recent ...
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Edit file on image created with dd [duplicate]

I've a bootable USB with Debian. Normally I clone the disk with dd, write the image on a new USB disk, mount this disk on my filesystem and edit some files. Is it possible to edit files on the image ...
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Installing Android-x86 on a USB (not creating a Live USB)?

I want to carry around an Android OS install on a USB so I can have a Google Authenticator with me everywhere I go since I don't own any mobile devices. The idea being that I can run Android through ...
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partitioning using 2 hard disks (SSD and non-SSD) in linux [closed]

I have the following free spaces on 2 disks: SSD - 240G (sda) non-SSD - 240G (sdb) I understand that I should use SSD to install packages and non-SSD just for storing data. What's the best ...
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Expanding root partition in SUSE Linux

I have a server where the space distribution among partitions is as follows: GSSJMB02:~ # df -kh Filesystem Size Used Avail Use% Mounted on /dev/cciss/c0d0p5 25G 5.9G 18G 25% / ...
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Can unformatted partitions have UUIDs?

Can a partition have a UUID without a filesystem?
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Approximate partition table backup with sfdisk

I wanted to convert some logical partitions to extended ones, so I was following this accepted answer. However, at the step of backing up my current partition table, I messed up and typed the ...
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“inode_size (128) * inodes_count (0) too big for a filesystem with 0 blocks” while creating a file system

My partition table looks like this: Device Boot Start End Blocks Id System /dev/sda1 * 2048 32505855 16251904 83 Linux /dev/sda2 32505856 33554431 ...
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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 ...
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Why does the MINIX installation ask how big /home should be?

While installing MINIX is was asked how big do want /home to be. --- Step 5: Select the size of /home --------------- MINIX will take up 611 MB, without /home. How big do you want your ...
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Help with unzipping a .dd.gz, possibly corrupted

I recieved this file that I was told was a copy of a hard drive (or disk). The file is "sheeva-mem.dd.gz". I tried to unzip the file in a linux Fedora machine. This yielded "unexpected end of file". ...
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Does GRUB consider partition order when looking for config files?

I have a HD which has 3 partitions, in the following order: NTFS FAT32 FAT32 (very small) I want to install GRUB into the MBR of the HD, and place the config files (menu.lst, etc.) into the 3rd ...
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Migration from loop-aes to cryptsetup

I've upgraded my linux installation to kernel 2.6.38-2 (Debian testing). With the new kernel, loop-aes does not compile, so I cannot mount my encrypted volumes. I heared that it is possible to use ...
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Cannot mount LVMm: resume ioctl on failed

I wanted to resize my LVM, followed some tutorial on the net and the system totally crashed (I got some boot error with UUID not found). I ran a LiveCD and tried to at least recover some files but I ...
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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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How to mount some folders on a different partition

I recently got an SSD for my computer. Therefore I reinstalled my system and mounted / on /dev/sda1 (which is a partition on the SSD). To protect the SSD, I managed to mount /tmp on the RAMdisk. ...
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Problems moving home partition

I was running low in disk space on my Linux box, Ubuntu 10.10 Desktop, (specifically on my /home partition) so I added another disk to it and I am trying to move the home partition into it. I am ...
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How to mount an encrypted TrueCrypt partition always in the same point?

I just formatted my external HD and divided it in two partitions: an ext4 where important information will be, and a ntfs for "compatibility" things (i.e. movies, music, etc). I encrypted the ext4 ...
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How to add a Linux Partition on FreeBSD

Today I installed FreeBSD 9.0 PPC on my Mac mini G4 with 40GB HDD. During installation, (using the FSBD utility 'gpart') I have allocated a total of about 23GB for FreeBSD leaving 17GB totally free ...
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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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chromeos - failed to read partition table

I am trying to install archlinux natively on my chromebook. I am following the instructions here, however when I try to create a new disk label for GPT localhost ~ # parted /dev/mmcblk1 mklabel gpt ...
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Parititioning for a UEFI boot loader, can LVM be used?

I just bought a gently used laptop and I am trying to figure out why this is. It has a single SSD that when running fdisk -l shows as Disk: /dev/sda. Under it though are 5 "devices" under that disk, ...
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Tool to create recipe to preseed partitioning

I want to preseed an Ubuntu 12.04 installer using a custom partitioning recipe. My disk layout is reasonably complex, and so is the recipe syntax itself. Hand-crafting such a recipe seems tedious and ...
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How do I make use of unused space on my boot drive on FreeBSD

I have an old FreeBSD Server (running 7.3-RELEASE) that desperately needs additional storage. In fact, it has some-- the original 20G SCSI drives have been replaced by 300G SCSI drives, so in theory ...
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Can I split /boot to a different partition on a single partition system?

I have set up my system, configured it and everything, using only one partition for / (ext4). So no separate home, boot, swap etc. So the question is: Is there a way to go from this configuration ...
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How does Linux deal with a separate /boot partition?

I am interested to learn about how Linux deals with a separate boot partitions. I am not interested in actually doing this, but I would like to know how this works under-the-hood. Consider a hard ...
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Utility to TRIM unallocated space on drive

I have a drive (SD card) with a few ext4 partitions but also some unallocated space. The fstrim utility can only work within a filesystem. Before I reinvent the wheel and write one, is there another ...
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What is the concept of Drives in Unix Systems?

In windows, we have C drives where all the softwares are installed and other partitions e.g; D, E etc to store our data. Now once we reinstall the windows for some reason, we install everything again ...
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How extend linux partition with?(after success to extend : fail to boot computer)

I have Ubuntu and I want to enlarge the disk space of /dev/sda1 from 10GB to 90GB. gparted Ubuntu 9.04 live cd show: Partition File System Size /dev/sda1 ext4 10GB /dev/sda2 ...
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FreeBSD and Linux shared partitions

Which directories, and how, can I share between FreeBSD and Linux? In particular, how can I deduplicate respectively /usr/home and /home? I guess directly sharing a partition between both systems ...
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How to repartition pendrive again?

My 8GB pendrive originally contained only a FAT partition, but I tried to install OpenSUSE 11.4 on it. I created a 200MB partition for /boot and the rest was for the root partition. Despite the ...