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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Two drives with the same drive letter

I shrunk my D drive by 30 GB, and chose "Extend" on the free space, adding it to E drive. Now I have two E drives as shown in the picture below... Is this normal/okay? If not, how can I combine ...
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How can I unmark an external hard drive partition as being active?

I accidentally marked my external hard drive partition as active in disk management. I meant to change the drive letter but hit the wrong button. Whoops. What are the consequences of having done that ...
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Are GPT reserved and EFI system partitions important?

I wonder what the GPT Reserved Partition and the GPT EFI System Partition are for. Do I need them and what would happen if I removed them? Also what is it for? I mean the 2nd and 3rd one in the ...
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What sizes should you allocate to the /, /boot, /home and swap

I have just got the new installation of Ubuntu 9.10. I am doing a clean install. I have already windows XP on a separate partition. I went to the advanced options for partitions the file system. ...
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Moving OSX Lion from one Harddrive to another Harddrive

How can I move my OSX Lion installation from my 500GB HDD, to my new 250GB Solid State HDD? Re-installing OSX Lion is not an option.
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Easiest way to use a > 2TB internal hard disk in Windows XP 32-bit?

I have an 3TB external disk and Windows XP 32 bit. It works as a USB 2 disk with its enclosure, but I want to use it as an internal SATA disk. I don't want to use it as a boot disk, only as a data ...
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How did I end up with a partition inside a partition?

I used to have Vista installed, but wanted to upgrade to 7. I partitioned my drive, installed 7 on the new partition then copied all my data over from the Vista partition. Then, I went to remove the ...
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How to get a reinstall of Ubuntu to recognize /home partition?

I have been running Ubuntu 9.04 since it's release and on my last install adventure I took the plunge and created a seperate partition for my /home directory. For reasons not important here I needed ...
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windows cannot be installed on this disk. The selected disk is of the GPT partition style. Windows 8.1

I have a ASUS R500A notebook.Original OS is Windows 7 64bit.Few days ago I tried to Install Windows 8.1 64 bit version.But it failed & error message is, windows cannot be installed on this ...
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Windows 8 displays linux ext4 partitions as RAW

I installed Linux Mint in 2 partitions: / and /home Windows 8 is under UEFI boot mode. How to hide those linux partitions in Explorer? When I click on them:
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how to convert NTFS to ext4 in windows?

I want to convert one partition of my windows which is NTFS (or can be FAT32) to a linux file system partitioning? I'm looking for some tools or ways to do it for me!
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Can I shrink an NTFS partition running Windows 7 from the 'left' / 'start' side?

This is my current partition layout: This is the current situation on my hard disk. I have a 25 GB NTFS partition with windows 8 developer preview (drive F) and a 660 GB partition with ...
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How can I merge a USB stick shown as two drives?

A local company last year gave away some USB sticks with their products on them in a PDF file. The PDF is now outdated (2010 version) and I find it a waste to throw away a perfectly good USB stick for ...
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Windows on a hybrid MBR/GPT

I thought I'd finally relegated Windows to life inside a virtual machine, but alas, I came across some games I'd like to play that just won't do in that setup. In the days since Windows last occupied ...
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Grub rescue, unknown file system. Can't boot into Windows 7

I am confused, so I am also going to use this question to get clarification and fix my computer. Some background: I had Windows 7 on a 1 TB HDD and decided to partition my hard drive into two ~500 GB ...
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Partition Hard Drive for use with Time Machine

Is it possible to partition a hard drive in two and use one partition for Time Machine and the other for other uses? I am running Mac OS X 10.6.5 if it makes any difference. EDIT: For clarification ...
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Partition Shows Wrong Size

I had been having the small size issue on my drive C (where Windows XP is installed). So i decided to grow the size of this drive by using the software "EASEUS Partition Master 4.0 Home Edition". I ...
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How to completely delete my USB thumbstick?

I own a Kingston thumb-stick. I have installed a Google Chrome OS image to it, so I could try it out. When it did so, it created 3 partitions (I backed everything up and the software that installed ...
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External hard drive how to format it?

I just bought a hard drive of 500GB that I want to use on Mac OS X and GNU/Linux but be able to use some file on Windows. Basically I have to deal with FAT32 (That doesn't support file over 4GB), ...
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Windows 8 Machines Only Have Primary Partitions?

I just bought a new HP laptop with Windows 8. I tried to partition the hard drive using PartedMagic and discovered that we can't create any extended partitions to have logical volumes. Only primary ...
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How can I make multiple physical hard drives appear as a single partition?

I'm writing a basic media server where people can upload/download my content. I have 8 2TB hard drives where I would like to store their uploaded files. Problem is navigating a file system that I want ...
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Why will data in a hard disk ever be unmovable?

I understand that to create a new partition, the partitioning software basically moves the data "upwards" so that more space could be provided for partitioning. However, for one reason or another, ...
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Is GPT aligned for 4k blocks?

The Wikipedia article for GUID Partition Table does not make it clear whether it is aligned to an underlying 4k-block filesystem. Seeing as the diagram shows the first block of the data sector as ...
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How long should it take for gparted to shrink a 44 GB partition down to 10 GB

I've had gparted running to shrink a Backtrack partition down to 10 GB from 44 GB. I was wondering how long that should take and wether or not it's jammed. It's been on "shrink file system" for well ...
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Linux cannot see Windows 7 partitions on install

I've been trying to install Linux as a dual boot with Windows 7 on my Dell latitude e6510. It is currently running Windows 7 and I have used the MS disk tools to shrink the Win 7 NTFS partition to ...
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Shrink VDI disk

I have vdi file for a disk of 40GB. The vdi file itself is 36GB. I made some room in the disk and was able to resize the partition of the disk to 20GB, leaving an unpartitionned space of 20GB. I ...
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How to avoid issue with windows 8 system reserved partition?

I had Windows 7 Ultimate on my Computer. At the Setup it created a 100 MB sized "System Reserved Partition". I upgraded my operating system to Windows 8 and now, when I modify my system files ...
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Copy boot partition from one disk to another

I'm currently facing a hardware HD problem. Once of my HDs has semi-died. It works, kind of, data is being read, but every now and then it decides to not respond for a while. Windows hangs for a few ...
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Why is it faster to have more primary partitions?

Why is it faster to have more primary partitions when using Linux? Please give some real examples; I know some theoretical reasons but I don't understand them well.
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How to properly install WD Advanced Format Drive in Ubuntu as 2nd HDD?

I got a new Western Digital WD15EARS Caviar Green 1.5TB SATA drive but it seems to use WD new advanced format using 4k blocks or something (I get the general idea but not really). Is there a way to ...
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How do I boot to the Recovery Partition on an eMachines D620 notebook?

I installed the Windows 7 RC on my wife's laptop and now need to reinstall Vista for her. I was very careful to leave the recovery partition intact so that I could do this, but I don't see a way to ...
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In windows 7, is it possible to extend a logical partition using space, freed up from shrinking the windows(primary) partition? If yes, how?

Please take a look at the snapshot of my current partitions - I want to shrink volume C to a total size of 80 GB or so and use the remaining free space to extend the volume D. Is there a safe way ...
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How to Extend primary partition(/dev/sda1) in linux?

Im having a problem, my primary partition is running out of space. Due to this, I can't access linux machine remotely (through vncserver). I have another drive (/dev/sdb) having much more free space. ...
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How to access both partitions on a bootable USB flash drive in Windows

I have a 16GB USB Flash Drive that is partitioned into two different sizes. The first partition contains a bootable version of Ubuntu, the second partition is for general saving of files. Windows ...
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Does partitioning a hard drive give a performance gain?

Back in the day you could gain some performance by partitioning your hard drive to several partitions: Pagefile OS and Apps data There was some debate regarding the order of the drives as the ...
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Criteria for low disk space warning on XP?

According to this article, it says the low disk space warning appears when there is less than 200MB of disk space. However, I find this not to be the case. Two test examples: 1) I create a 3GB ...
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Can't shrink a data partition on a Windows 8 computer

My computer is running Windows 8 X64 Enterprise. I have two partitions, C (System) and D (Data). Both are bitlocked. I would like to shrink my D partition (in order to create a new one). Using the ...
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Using OEM disks to install Windows 7 partition on Windows 8 laptop

I own a Toshiba Satellite laptop that originally came with Windows 7 on it. I currently have Windows 8 installed only (no other OSs on other partitions). I am a software developer and would like to ...
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Alignment requirements: converting basic disk to dynamic disk in order to set up software RAID?

On Windows 7 x64 Professional I am struggling to convert a basic disk to a dynamic one. Under Disk Management in the MMC the conversion is supposed to be initiated automatically, but it doesn't. My ...
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Is it bad to completely fill a partition on an SSD with multiple partitions?

I know the conventional wisdom is to make sure you never completely fill your SSD (always leave 10-20% free, write-leveling or something like that) but what about if you've partitioned your SSD into ...
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How do I fix a Memorex USB 8GB flash drive that shows 0 B available?

Memorex USB 8GB drive that shows 0 B available. I don't know if it's mechanically broken or something is wrong with it. Even disk part shows it as (See Disk 2) Any ideas? EDIT: The bios shows it ...
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Switching Linux Distribution, separate /home partition

Well, I updated to Ubuntu 11.04 and let's just say, it's time for a new distribution. I have my /home directory mounted on it's own partition (which has been a life saver, btw) and I was wondering if ...
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Is there a way to do a sector level copy/clone from one hard drive to another?

Without going into distracting details, I'm attempting to duplicate the contents of the 500GB drive in my MacBook to another 500GB drive. But this is turning out to be an unexpected hassle because the ...
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1 TB hdd and no space to create a partition for linux !

I have a brand new Acer aspire 5811 with core i5 processor and all that. There is windows 7 Home Premium pre-installed on it. I want to install arch and setup a dual boot system. EDIT: Looks like ...
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What's the best way to partition an SSD?

In case you're creating one partition, should it be as big as possible, or should a certain percentage of space be left unpartitioned?
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How to rescan and remount drives on Ubuntu Hardy or Jaunty?

When I connect an USB drive to an Ununtu Hardy and Jaunty system, the system mounts the partitions found on the drive, and opens a Nautilus window for each mounted partitions. Within Nautilus, I am ...
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Pagefile on separate partition but same drive

I know that pagefile questions and advice litter the internet, but this question doesn't seem to have been asked very often. I've read that you shouldn't put a pagefile on a different partition of ...
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I get “Your PC needs to be repaired” and “Error code: 0xc0000225” in Windows 8: how can I fix it?

When I boot my Windows 8 laptop (see details below), it displays this message: Recovery Your PC needs to be repaired A required device isn't connected or can't be accessed. Error ...
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Linux kernel - can't access sda16 & sda17

I can't access sda16 sda17 and higher partitions from my linux. This linux is rather debian (very old); kernel 2.6.23. So, I know that so old linux kernel can't access > 16 partitions on single sata ...
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How to create an ISO file of a Boot Camp partition from OS X?

How do I create an ISO file of a Boot Camp partition from OS X to use the ISO in Parallels later? I thought Winclone could do it, but it can't. Any alternatives?