When you create two or more logical volumes (drives) from one physical hard disk (or other storage device), you're cooking with partitions.

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How best to iron out disk I/O lag cause?

Running luksCrypt (which I know causes some lag esp. with my -c serpent-xts-plain64 -s 512 -h whirlpool setup) but as of late lag has become very much more noticeable. I use xfs and lvm on this ...
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HDD extremely slow although SMART seems to be healthy

I've had this hard drive for over two years now. A week ago, it decides to slow down to a crawl in Windows - even after doing the usual things to fix it (disabling Superfetch, closing programs, etc.) ...
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39 views

File Allocation for VM

I'm running Kali Linux as a virtual machine inside Oracle's Virtualbox. I've allocated 40GB of hard drive space, file type: VirtualBox Disk Image; Dynamicallly Allocated. On the VM it is showing the ...
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237 views

LVM: “Volume group is not consistent” and “Incorrect metadata area header” but volume still mountable

I'm on Ubuntu 14.04 with a volume group that has 4 disks in it: Incorrect metadata area header checksum on /dev/sde1 at offset 4096 Incorrect metadata area header checksum on /dev/sde1 at offset ...
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46 views

How can I backup my data from a partition so that i can restore to windows later?

To start off I do not know much about Ubuntu in general so be gentle. I tried to do a dual boot of windows 7 and Ubuntu, which failed and I can no longer boot to windows because of a disk error. ...
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28 views

Make Windows 7/8 to use different partitions for system data and user/program data

Is there the way to mount partition as /Users, while first one mounted as root (where /Windows folder lives)? I want to be able to make backup image of system excepting all user/program data (like ...
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24 views

Dual booting two windows 7

I've installed two windows 7 in my pc and during the 2nd windows 7 install, i lost my D drive(windows setup deleted that partition). I recovered it and got all data back. Now for some reasons, I want ...
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136 views

How do I format my HDD to Advanced Format/512E to use 512K blocks with Windows Backup?

I'm running Windows 7 Pro 64-bit. When running Windows Backup onto an external 4TB Touro HDD (2TB partition), I receive the error: The last backup did not complete successfully. One of the backup ...
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59 views

Installing RHEL 7 and can't make partition while on dual boot

I've problem while installing RHEL 7 with dual boot. Windows 8.1 pro already installed and try to install RHEL 7 but while on partition segment I can't see unallocated space which was more than 100GB, ...
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90 views

Hard drive capacity showed in Disk Management is inconsistent

If you look at the highlighted boxes in below image, you can see box 1 shows C: drive has 697 GB of capacity, and box 2 shows the same drive having 354 GB of capacity. The drive capacities ...
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601 views

Fixing my external hard drive partition map

Okay, so something really strange has happened, and it's a doozy, so please bear with me. Problem: I need to fix my hard drive's partition map So let me fill you in on what happened here. I ...
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30 views

Macbook Pro 2012 with 3 partitions on Fusion Drive

I have a Fusion Drive that has 2 partitions on it (the max that Disk Utility allows). The partitions are Mac OSX and Ubuntu. The OSX partition is ~900GB and the Ubuntu partition is ~100GB. It is ...
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21 views

Restore [non-boot drive] root directory from kernel image

Accidentally overwrote the root directory on a 2nd drive, .. but the subdirectories are still there [i.e. cd to a subdirectory drive is successful]. Problem is, the root directory in the partition is ...
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146 views

SSD seems to be read-only, nothing can be written to it (linux ext4 filesystem)

After two week of normal use my new SSD began to work strange. Now it seems that no file is written to it. An example: root@hooker3:~# mount |grep ssdhome /dev/sda3 on /ssdhome type ext4 ...
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75 views

LUKS partition recovery

A drive with 2 partitions - 1st is plain ext4, second is encrypted LUKS. The partition table has been overwritten. I've found the beginning of the second partition , which i need to recover, thusly: ...
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20 views

Debian is installing to USB instead of HD?

I am trying to install Debian onto an old PC to practice some Linux sysadmin stuff but it continually install onto the USB instead of my hard drive. I have tried the guided and manual partitioning ...
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52 views

How to recover my ubuntu (start ubuntu from a raw disk partition)

I have windows 8 PC. 931 GB HD (641 windows and 200 gb for ubuntu.) windows and ubuntu in different drives. Ubuntu partition is a raw type of disk drive while windows is a ntfs. when I needed to ...
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403 views

Attempting to passthru USB disk to XENserver windows guest, reporting wrong size and error

I am attempting to passthru a brand new Seagate USB disk (4TB) to a Windows 2008 virtual guest in XEN 6.2. I connected the device, it is listed properly by fdisk -l (even lists correct size, but says ...
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458 views

Possible to create Fat32 Filesystem with 512 Byte Allocation unit size?

When right clicking my harddirve within my computer, I have a format option. Inside the format window I have a list called Allocation Unit Size which has entries 2048 bytes 4096 bytes 8192 byes 16 ...
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493 views

Can't recover ext4 partition with TestDisk

I have a disk with some primary NTFS partitions and a extended partition containing Linux and Swap partitions. I lost one of the logical Linux ones I booted a live Linux CD (RipLinux) and TestDisk is ...
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57 views

How to change the partition scheme

I want to change the partition scheme in my 500 GB HDD from MBR to GPT scheme without losing DATA on it. What are the traditional tools to do this on both windows 7 and Linux(ubuntu)? And what are the ...
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332 views

Need help :Drive missing (E: & F:) after the reboot on windows7

i am getting similar issue described in below link: http://www.symantec.com/connect/forums/drive-missing-d-f-g-after-reboot-windows-7-pgp I did a shrink on the C: drive, and created new volumes (E, ...
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188 views

Windows install on GPT with multiple drives

I've got quite an interesting system configuration here, and I would like to install Windows 10 preview on it. I have 3 drives, out of which one is a SSD. They all have a GPT table. Drive 0 (the ...
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252 views

SSD partition as cache for torrent?

I download some data using P2P, and I have the same issue as other uTorrent users lately - the famous and feared "Disk Cache Overload 100%" message. It cripples my system into a no-go when there's a ...
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23 views

RAID configurations are resetted after reboot-Ubuntu Server

I have configured software RAID 1 in Ubuntu Server. I have created RAID 1 and now one of the Disk fails so I removed it. I had attached a new disk. Created partitions as same like /sda from fdisk. ...
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43 views

Deleting dynamic partition to fix windows - urgent

I created new volume in order to install Debian in it. Once I succeeded.. Windows was unable to start. Freezes on Windows logo screen. After a painful attempt of installing Debian, I just ruined my ...
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57 views

Boot Linux from a GPT disk using SYSLINUX

From Booting from GPT (rodsbooks.com/gdisk/booting.html), it says that both Grub & syslinux support booting Linux from a GPT disk. Anyone know how exactly can I use syslinux to boot Linux from a ...
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2k views

Recover or recreate partition after “diskpart clean”

I have a 128 GB SSD (C:) and 1TB HDD (D:) in my computer. Windows 7 was installed onto SSD drive but HDD drive -formatted probably as NTFS- had the boot loader, so in order to fix that, I made the big ...
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32 views

Windows: creating a virtual drive out of a physical partition

Under Windows, is there a way to create a virtual device recognized as a disk drive, which would map to a single partition on a physical drive? It is my understanding that Windows doesn't treat all ...
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112 views

How can I manage partitions on Windows 7 Install?

On my home desktops I have an SSD as a primary disk, then a larger SATA disk as a secondary. The thing is, when I install Windows 7 on the SSD, the 100MB "System Reserved" system partition is built on ...
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1k views

Windows 7 fresh install, not booting but shows a black screen with blinking cursor

Our laptop has two OS installed: ubuntu and windows 7, and it has about 4 partitions: swap,home,root,windows 7. I moved ubuntu to the first partition before windows 7 but I don't have any problems ...
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161 views

Move a LUKS partition to the left and resize it

I have a LUKS encrypted partition that is NOT into an LVM volume manager. It's at the end of the hard drive, and its size is 250 GB, but I want to add 50 more GBs to it. I would normally use GParted ...
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99 views

Format (raw) partition windows 8 - cannot access it

I have just made a new installation of windows 8 to my computer and partioned the harddrive. The problem is that one partition is raw, that is its not formatted to a specifik filesystem yet. What I ...
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2k views

Recovering a partition table with testdisk

I'm trying to recover a partition table with testdisk. The disk contains a dual boot Windows 8 along a Linux OS. The Linux install contains four partitions: a swap partition, the / ext4 partition, the ...
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182 views

Partition offset at 63, 64, 2048 or 4096?

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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284 views

Failure to create hibernation partition on GPT SSD boot drive

I've searched a number of forums and am surprised no one seems to have had the same problem as me. I have only one SSD (Samsung EVO) which is also my boot drive (UEFI, z97 board) for my desktop ...
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698 views

Filesystem on sd-card lost

Last time I want to bring my photos from SD-card (Sandisk Ultra SDHC 32 GB) to my computer (windows), my computer said that there is no file system on the card and I should format the card. Also my ...
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272 views

Duplicated windows 8 recovery partition

Let's me describe what am I trying to do first. I bought a laptop from HP(HP ENVY TouchSmart 15-j137tx) with windows 8.1 in it and plan to dual boot it into windows 7 and windows 8.1(for debugging ...
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5k views

Windows cannot be installed to this disk. Ensure the disk's

I recently put together a self built rig. The all the parts seem to work, but when I try to install windows 8, I get the following error message: 'Windows cannot be installed to this disk. This ...
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545 views

Toshiba external HDD shows no media in disk management

I have a Toshiba 2TB external HDD which was not showing in explorer (windows 7). I opened disk management, it showed the volume size and all. First I tried assigning a letter but nothing new ...
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386 views

My 3TB HD can't use 3TB? (only 2)

I have a Toshiba 3TB harddrive model HDKPC08. When I formated it using the windows 7 installer I saw a 2tb partition and another partition roughly 700 or 600gb. This appears to be a 3TB HDD. However I ...
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Partition is gone and C: is smaller

My computer restarted overnight to install windows update. In the morning I had tried to make a System Restore (Windows restore to a point) as my video driver got messed up. I also reinstalled some ...
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192 views

Install Ubuntu on Hardware Raid 1 server , message partition disk

The installer has detected that the following disks have mounted partitions: /dev/sda/ Do you want the installer to try and unmount the partitions on these disks before continuing? If you leave ...
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129 views

Issues doing a clean install of windows 8 64 bit

I have a Asus K42JE laptop and recently installed a new M500 480GB SSD. Since adding the new SSD, I am unable to install windows 8.1 on it. I keep getting the following error 'We couldn't create a ...
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61 views

where are the second stage bootloader and partition table is stored in the case of multiple bootable hard drives

I have some doubt on the booting process. Lets suppose I have two bootable hard drives and each hard drive has 3 partition, having 3 different operating system installed. Now my questions are: How ...
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31 views

Ubuntu boot not available at startup

I have partitioned my internal hard drive and installed Mac OS X Mountain Lion on one partition and Ubuntu 14.04 Trusty Tahr on the other. The installation was done via alt/option key at startup ... ...
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55 views

How to format USB flash drive to work with older device?

I have 2 usb stics. One of them (64MB) is working fine with Nikon npl632. However this device seems not to support any modern flash drives. What I'am willing to do is to format new usb stick - much ...
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158 views

Windows 7 doesn't see my 2TB partition created in Windows XP

I connected a new HDD to my PC, to be used as media storage. Device: WD Green 3TB Drive (WD30EZRX). OS: Windows XP x32. I used "Acronis True Image WD Edition". It created 2TB partition with MBR, ...
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1k views

Can I change a ubuntu partition from sdb to sda?

I have just gotten into Ubuntu and I'm not quite familiar with partitions etc. But I have Ubuntu installed on /dev/sdb. But I want to move it to /dev/sda. Current partition listing below. Can I just ...
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162 views

Mount the second partition of an image with hdiutil

I'm trying to open a partition on my Mac (OSX Mavericks). Particularly, I've got a file.img image which includes two partitions: a boot partition and a second partition formatted in ext2. When I ...