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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Can't access NTFS drives after Elementary OS install

I have just setup Elementary OS. I have two hard drives on my desktop and I can’t access either one of them via file manager. To be precise I have two partitions with data that I need to access; ...
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When I create a new partition for /home, the partition editor moves it to /dev/hda2 instead of /dev/hda3

I have a CentOS system I'm tying to duplicate. I can't use dd or cat over SSH from the source server so I have to initiate the command from the target server. My first choice is to duplicate each ...
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root directory almost full but still lots of free space on the partition [on hold]

Some time ago I installed 12.04 from windows xp on a separate "linux" partition via wubi. this partition was allocated 50 GB. my problem now is that obviously the root directory does not have access ...
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Why are there so many different ways to measure disk usage?

When I sum up the sizes of my files, I get one figure. If I run du, I get another figure. If I run du on all the files on my partition, it doesn't match what df claims is used. Why are there so many ...
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Moving unallocated space from Extended partition to create a Primary partition

This is my partition structure : I want to create another primary partition from that unallocated space. If I shrink sda2 to a size less than what I needed for to create another primary partition, ...
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34 views

How to restore a system?

I have a disk image from Acronis True Image 2011. My original disk, of 40gbs, had 2 partitions, 1 for FS and 1 for swap, but it started to fail. I've tried to make a backup, which finished with some ...
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How can Solaris sub-partitions be accessed in FreeBSD?

First of all, Linux detects the partitions: sdg1: <solaris: [s0] sdg5 [s1] sdg6 [s2] sdg7 [s8] sdg8 > However, FreeBSD 9.0 shows only the main partition. Is it possible that only Solaris ...
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19 views

Shrink/reduce non-lvm disk file system

I have an vmware ext4 file system that non-lvm, non-partitioned file system that resides on a virtual 300GB disk. In other words, there is no partition and the file system was probably created by: ...
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54 views

While trying to open /dev/mtd2 for read/write access: Permission denied

Looks like my MTD2,and MTD3 partitions are write protected. The OS is booting from SD card on a ARM Cortex A 9 processor. root@Xilinx-ZC702-2013_3:~# mount /dev/mmcblk0p1 /mnt/ ...
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40 views

Best parameters for ext4 filesystem to handle virtualbox disk images

I have ext4 partition, which holds disk image files VirtualBox works with. They all are fixed-size images (i.e. files never change their size). They are defragmented as much as possible (with ...
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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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184 views

How to install Kali linux on to a specific (existing) partition on a USB stick

I'm endeavoring to put Kali linux onto a USB stick - I know it's already written up, but I'd like to use only a portion of the total space (the aforementioned link will use the entire drive space). ...
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GRUB doesn't see ext4 partitions

I have strange trouble with Linux Mint 13 installation. I have Windows XP installed, I want to install Linux Mint as a second system (with dual boot), I've already done it multiple times on several ...
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33 views

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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324 views

Local disks detected as multipath device

My local partitions are detected as multipath device $multipath -l mpathb (360014380125d90420000a000003e0000) dm-9 HP,HSV450 size=200G features='1 queue_if_no_path' hwhandler='0' wp=rw `-+- ...
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4answers
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Clear unused space with zeros (ext3,ext4)

How to clear unused space with zeros ? (ext3,ext4) I'm looking for something smarter than cat /dev/zero > /mnt/X/big_zero ; sync; rm /mnt/X/big_zero Like FSArchiver is looking for "used space" ...
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20 views

Restore formated Partition Table on LVM Physical

I have a machine (guest VM running CentOS 6.5) with 2 disks. Main OS on sda and then a 2TB LVM on the second sdc. I added 2 more 2TB disks to the machine and was going through the process of ...
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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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261 views

How to boot into FreeBSD installed in the second partition of an external drive

I have installed FreeBSD 9.1 on the second partition of an external hard disk and I'm not able to get my computer to boot from it. FreeBSD was installed using the FreeBSD memstick image dd'd onto a ...
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2answers
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lvm: what's the purpose of a Volume Group?

Each Volume Group can have many resizeable Logical Volumes. each of Logical Volume can have different filesystem, encryption options etc. that means having a single Volume Groups is enough. so why LVM ...
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How can move a LUKS container from the middle of a partition to the beginning?

For the tl;dr, skip to the bottom. I have a dual-boot setup with Mac OS X at the beginning of my drive and three GNU/Linux partitions at the end of the drive. I don't have the relevant machine on ...
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47 views

Disk is almost full on a server with CPanel

I have VHM system and I have a domain and two subdomain on this system. I tried to take a backup than after sometime I cannot access cpanel but I can access VHM. but some of the VHM options gives disk ...
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this mount point is invalid. The /root directory must be on / file system

I'm preparing CentOS 6.5 x86_64 system with following mount points /usr/local – 10 GB or more *** /var – 10 GB or more *** /root – 200 MB or more *** /tmp – 200 MB or more *** The ...
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Dual boot - Kubuntu and Windows 8 - how to?

I recently installed Windows 8 on my computer. These are the specs: Fx-8150 CPU 8 GB RAM ATI HD7870 120 GB SSD 2 TB HDD Mainboard: Gigabyte GA-970A-UD3 (rev 1.1) (only bios but EFI mode possible ...
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Installing debian 7 besides windows 8

I ask this question in superuser but no one can answer my question, I hope any one can help me: I bought a VAIO laptop which Windows 8 preinstalled on it in UEFI mode. Now I want to install Debian 7 ...
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How to install linux (with crypto /Home + / partition) with enough swap space to hibernate

What are the steps to install Linux (with cryoto /Home + / partition) Mint on a empty hard drive with 1.5x swap space as RAM. I am aware that the CD allows this as a default option but it doesn't ...
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How do I check if a particular hard disk is dynamic?

What commands do I have to check the dynamic or basic type disk/volumes of the Windows partitions? Topic of interest because: Warning: Don't install linux on a Windows Dynamic disk! Bug Report: ...
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55 views

Using LVM with SSD and SATA drives

I saw in this question that it is possible to place both a SSD and a standard SATA hard drive into a single LVM volume group (VG). How does this affect performance? Is there a way to force the OS ...
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667 views

Is it possible to remove Windows 7 from dual-boot?

I have Windows 7 as primary OS with Linux Mint as secondary OS. I am just feeling comfortable with Linux and want to remove Windows from the disk. Is it possible to remove it without damaging data? ...
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Why is GParted listing an empty parition as using 43.90 GB? [duplicate]

I have a fresh install (well, with package updates) of Linux Mint 16 (Maté) on a 3TB hard drive. I installed with the following partition table: /dev/sda1: bios_grub 1MB /dev/sda2: / 8GB ...
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How to force drop all partitions and erase disk from terminal?

My question is in fact related to OS X, however I'm using Linux tools to resolve my problem. I'm trying to delete all the partitions on my SSD drive and create new GUID (HFS+) partition table. Native ...
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How can I use these partitions to install fedora 20

I want to install Fedora 20 from a full DVD (not live) on a new computer, with as much software as I can; so, during the set up for the installation, I tick all the repositories offered and then find ...
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Finding the sector size of a partition

I answered this question, assuming that the *.img file had a sector size of 512. How do I query a device, or the image of a device, to find the correct sector size?
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Can`t part disk because 'invalid token primary'

I`m trying to partition the external HDD on my raspberry, I am running Raspbian (debian). When I run the command; mkpart primary ntfs 45% It will say: But the help says: What I am doing wrong? ...
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Finding unallocated disk space (partitioning)

Another (hobbiest) sys admin on they same system as me, pointed out that there is 30Gb of unallocated space on the system. I have need of that space to create a new partition. (I'm going to make a ...
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What information is stored on the gap before the first partition?

Partitioning tools(for example fdisk) tend to leave a 2047 sector(LBA 1-2047, 1048064 bytes) between the MBR and first partition. On LBA 0 there is a MBR and from LBA 2048 starts the first partition. ...
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Does Linux support Mac OS partitions format?

I want to install Linux alongside Mac-OS. There is something I'm in doubt about. Does Linux support Mac-OS partitions format?
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how to change partitioning?

I have a hdd with /, /home. I just got new SSD and I need to change my partitions without any reinstalling. I would like to create a separate /var partition (which is currently under /) and leave it ...
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47 views

Problems mounting a disk

I have a disk that has failed to mount on start up. I have commented out the line in fstab to try to diagnose the issue: # /dev/sdc /media/bigdrive ext4 auto,exec,rw,user,async 0 0 Then rebooted. I ...
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Restoring a big partition to a smaller partition with Clonezilla

Some time ago I created a backup of an EXT4 partition with Clonezilla. Now the HDD crashed and I lost some important data. The size of the image of the partition is 50GB. I tried to restore this ...
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understanding the “chunk size” in context of RAID

Am I correct that chunk size in context of RAID is essentially the same thing as cluster in file-system context? In other words, chunk size is the smallest unit of data which can be written to a ...
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Is it dangerous to remount a partition rw/ro frequently?

I'm developing an embedded linux system running on a SD card. To protect the SD against corruption I've used a read only root filesystem as well as an extra partition where I mount /home, also in ...
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34 views

Re-installing Fedora 20: are automatic partitions safe to use?

I intend to re-install Fedora 20 on a new computer as I am having a lot of trouble with the installation done by the vendor of the computer. It is a dual boot machine with a small Windows XP3 ...
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1answer
57 views

Extend Linux partition in Dual boot with Windows without losing data?

I've the following partitions on my hard drive (copied from Gparted): As you can see: ext4 Linux HOME partition THEN ==> windows (8.1) ntfs partition THEN ==> 178 GB of UNUSED space (I got it by ...
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Unable to close a Luks partition

For backup purposes, I have "snapshotted" a LVM partition. This partition was crypted so I have opened this Luks partition (snapshot) in order to do my backup. The problem is that I have forgotten to ...
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Partitions same size but different block

I tried to backup my partition using dd on another disk and I created a partition of the same size. When I finished the copy I had problems mounting the partition since I got bad geometry: block ...
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4answers
269 views

How do I find the offset of an ext4 filesystem?

I have a failing hard drive that is unable to write or read the first sectors of the disk. It just gives I/O errors and that is all there is. There are other areas on the disk that seem (mostly) fine. ...
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WD Advanced Format confusion

One of my Hitachi DeskStar 7K160 hard disks died today and the other one is not safe (has bad sectors) so I've ordered a new 1 TB WD Blue WD10EZEX. Apparently nowadays new hard disks come with this ...
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Can I change an unmounted partition's type from another partition on the drive?

On my hard drive I have a largish unused partition that I would like to use. Trouble is, it's an old Windows partition and I'd prefer to make it a proper Linux partition (I intend using it via LVM if ...
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537 views

Does Linux still have to reside within the first XX cylinders of a HDD?

It's been a while since I last bothered with partitioning my hard drive, but now it's time again and I remember last time I did this there was a requirement to put the root partition (or only GRUB?) ...