Defragmentation is the process that reduces the amount of fragmentation on a hard disk drive.

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Does cloning duplicate data fragments?

If I have a fragmented hard drive, will duplicating the drive recreate the data fragments? Or does the duplication process clean those up? Does it depend on the duplication tool?
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19 views

Defrag: Does it really improve performance? Could physical file location be equally detrimental? [duplicate]

Over time, windows just runs slower. Fragmented files are often to blame, but time after time I feel like I see evidence that defragmenting the files doesn't help. I've been running defrag on each ...
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21 views

Performance benefit of defragging laptop hard drives [duplicate]

It seems like defragging is becoming much less important now that hard drives are faster and SSD and becoming popular. I'm curious: what kind of performance improvement does defragging have on laptop ...
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2answers
67 views

Is it safe to defrag a virtual machine on an SSD?

As part of my coursework I need to show some evidence (screen shot) of myself defragmenting a computer. Since I missed out doing it at college, I need to do it at home. This requires me to use a ...
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1answer
69 views

Why is it bad to defragment an SSD? [duplicate]

I heard on the internet that defragmenting an SSD is quite harmful. I was wondering if it is true, and if so, why? I've already done it a few times and it didn't seems to be broken at all.
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275 views

Windows 10 “optimize drives” shows SSD as “hard disk drive”

I upgraded my old computer with a Samsung EVO 850. I did a clean Windows 10 installation. Installed Samsung Magic and fixed all the AHCI settings. Now I have full 6Gb/s transfer speed. However, my ...
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1answer
54 views

Will fragmentation of a virtual machine's disk also cause host OS disk fragmentation?

I run a number of virtual machines using VMWare Player on top of host Windows 7 OS. Let's say I am using the VMs for everything from web browsing to actual work, file transfer, etc. for a long period. ...
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216 views

Do I still need to defrag my hard drive?

I've looked around and found multiple answers around the web on this. I turned off auto defrag on my Windows 7 machine because some people have told me it creates more wear and tear on the disk (using ...
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33 views

Strange hard disk information after defrag

I just finished a defrag on one of my drives and I am now getting some bizarre info with regards the available space. I had half written this post titled "Why has defragging used all my disk space" ...
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1answer
47 views

Cannot defragment hard disk, error in CSC1.tmp

My computer is running absolutely fine, but when I run the disk fragmentation tool (right-click C:\, then Properies > Tools), the progressbar gets nearly to the end and then pops up an error in the ...
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1answer
46 views

Special defrag options to place boot files in special order (for fastest boot)?

How can I defrag an HDD of a Windows OS in such a manner that the boot files which Windows loads are placed sequentially each one after another to get the fastest boot time? (incl. drivers etc) Which ...
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56 views

Defrag & Pre Optimize OS & Data Partition when cloning from SSD to HDD?

There are times I have had to clone an OS or Data partition from an SSD to a HDD. It results in major performance losses, obviously until I can sit and Defrag/ Optimize / Boot Optimize the ...
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253 views

Swapfile.sys cannot be disabled on Windows 10 [confirmed bug]

I want to delete the swapfile.sys from my C: partition because it prevents me from shrinking the drive. I set the Paging File option to 'No paging file' in the 'Virtual memory' window for my C ...
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11 views

Is this a bug in Auslogics defragmenter?

When Auslogics defragmenter is done it shows a link to see a report: However, when I click the link the file explorer becomes active in the Firefox installation directory, with firefox.exe ...
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1answer
127 views

How do I Defrag/Optimize a Windows 8.1 Volume which has no Drive Letter? Does it matter?

I have a Dell Inspiron Ultrabook running Windows 8.1 (64-bit). In File Explorer, I click on Drive C Properties -> Tools -> Optimize. There I see 4 drives listed as follows: OS (C:) -- OK (0% ...
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102 views

Disk defragging with unmovable files

I moved my hard disk from my laptop to my desktop in order to defrag it. I am using MyDefrag to defrag the disk. I was hoping that since the OS used was my desktop's and not my laptop's, the system ...
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10k views

How many passes does Defrag take in Windows 10?

How many passes does Defrag.exe take in Windows 10? New laptop, and I started a while ago and it's now up to Pass 14
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1answer
194 views

Hard disk drive's full capacity is not recognized

I have a HDD (wdc wd30ezrx-00mmmb0 western digital 3gb, Link to HDD specifications) I purchased a while back and it had an original capacity of 3TB. Some unknown error happened to my computer which ...
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63 views

Bluescreen at win7 Boot (Boot time defrag routine failure)

I had this drive set up for boot time defrag (only once). It contained a pagefile which was fragmented. Next time I restarted my PC, I got a bluescreen (dumping memory). After a few repair ...
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112 views

How to disable auto-update in Auslogics Disk Defrag?

How can I disable Auslogic Disk Defrag's auto-update functionality? My task bar is at the top of the screen and it keeps popping up to cover my system tray.
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29 views

How do I efficiently redistribute massive amounts of data spread across multiple drives with almost no space on them?

My problem is simple but severe. I have a huge amount of data (many files in many folders) on multiple drives (4 external HDD). Each drive is at least 1TB in size and the overall size of this "pool" ...
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3answers
129 views

What is the location of Defrag.exe on the Windows 7 DVD?

I can't find defrag.exe on the Windows 7 DVD in its default location, which is supposedly here: C:\Windows\System32 Knowing that you can defragment using the GUI tools from the DVD (which I don't ...
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1answer
601 views

Defragmenting using Defraggler made the fragmentation worse and increases “used space”

I decided to do a full defragmentation of my C: drive for the first time this day. The defragmenter I use is Defraggler by Piriform. When I analyzed the drive, it detected 13% fragmentation. After ...
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531 views

How long does defragging using Piriform Defraggler take? [closed]

I heard that defragging can make the computer faster. I downloaded Piriform Defraggler as they say that it's a better option than Windows' built-in defragging tool. I ran an analysis using Defraggler ...
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69 views

Windows NTFS partition disappeared from Disk Defragmenter

I've recently installed modded windows 8.1 version (it has some of the redundant features uninstalled to make it lighter and faster: Polish forum link (they are good!) It is running perfectly smooth ...
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70 views

VirtualBox and non-system disk fragmented to 41%?

I've installed VirtualBox reccently and have been playing around with installing different systems and working with them. I've created five different virutal machines: Windows 10 Technical Preview ...
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1k views

How To Defrag Windows 8 System Reserved Partition

Today I was cleaning up my computer and stuff and when I was defraging my partitions I saw that the System Reserved partition is 100% fragmented. So I tried to defrag it, but it doesn't seems to ...
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1answer
277 views

How to switch from SSD to HD in Windows 8.1?

I'm on the verge of giving up on this. I thought I would pose the question since I haven't found any answers and some other poor soul might run into a similar challenge. How do you configure Windows ...
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93 views

Windows 8.1 dfrgui not seeing drive C or not starting at all

I've made a clean re-install of Windows 8.1 x64 today. I decided to check the disk defragmentation schedule. To my surprise, dfrgui.exe did not list drive C:, showing only my external hard drive ...
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317 views

How does Windows calculate the fragmentation percentage?

When running defrag -a -v C: on Windows 2008 R2, I got the following output: Windows Disk Defragmenter Copyright (c) 2006 Microsoft Corp. Analysis report for volume C: Volume size ...
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25 views

When overwriting a file, how does this effect the filesystem NTFS?

Say a I have a secondary hard drive that has been defragged and optimized so that the data is a nice neat continuous block with no missing spaces/clusters. Like a solid brick wall. If I copy a file ...
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74 views

Why is my newly rebuild disk already horribly fragmented?

I just rebuilt my disk from scratch (windows 7, ntfs). Each file has been written exactly once, and essentially nothing has ever been deleted or rewritten. The disk is only 20% full. My prediction ...
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Compact files into contiguous area on disk [closed]

Consider the following case: a disk has two very large files stored one after the other - the first being slightly smaller than the second. As far as I know (and please correct me if I'm wrong) - If I ...
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1answer
96 views

Windows 8.1 thinks my partitions are SSDs

I just removed an SSD from a PC so that I could put it into my "new-used" laptop. With the SSD, I had simply cloned my System and Windows partitions to partitions onto the HDD as a backup/recovery ...
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2answers
72 views

Does resizing partitions cause damage?

I plan on resizing already-separated partitions. Let's say that there is partition A and partition B on drive C:. All of drive C: is NTFS, and drive C: is, in total, 1 TB. Partition A has 400 GB, and ...
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2k views

How do I defragment Windows paging file

Any suggestions how can I make pagefile.sys contiguous and move it to the beginning of the disk? Much appreciated. Update: I use Windows 7 64-bit edition.
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218 views

“Access is denied” to Admin when using Sysinternals Contig to defrag the $LogFile metadata file

I have folders with hundreds of thousands, to over a million files and subfolders in each parent. I'm reading that the NTFS log file may be responsible for slow file creation and other actions. How ...
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1answer
714 views

SSD: “The volume is too fragmented to complete this operation”

I am currently configuring a Thinkpad E540, having inserted a 256 GB M.2 SSD into the corresponding slot, in order to run Windows 8 from the SSD instead of using the preconfigured 16 GB SSD as a cache ...
2
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2answers
610 views

Tune up utilities drive defrag ate my disk space [duplicate]

Today I used Tune up drive defrag and after using it my free disk space decreased by 9 GB. Why did this happen. What can I do to recover the disk space? Thank you. I just found out that this is using ...
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100 views

Partitioning issues with an SSD drive

I have a Solid State Drive with 24 GB of free space. I want to shrink the volume by 20 GB to create a partition to install and dual-boot Linux Ubuntu OS. The problem is Windows disk management tool ...
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2answers
874 views

High response times in HDD. MFT, fragmentation or even halted disk?

I am experiencing really high response times im my HDD, which can go around 13000ms (from Win8 Task Manager). This occurs when starting up windows and for at least 3-4 minutes, also when doing ...
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397 views

PowerShell Remote Defrag

I have the following code that works fine on my Windows 7 computer: $Defrag = Get-WmiObject Win32_Volume -Filter "DriveLetter='c:'" -ComputerName "SRLVHOMAPP01" | Invoke-WmiMethod -Name Defrag But ...
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43 views

Maximum sequential speed for folder, defragment

How can I move folder at the beginning of the drive (partition) to achieve maximum sequential read speed in Windows? Can you recommend defragmentation tool that can do this ?
2
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1answer
73 views

When I copied photos from my camera to my desktop, they have fragmented equally throughout the remainder of my hard drive. Why?

A couple of days ago I copied 200 or so CR2 photos from my DSLR Canon EOS 1000D to a folder on my Desktop. Today when I opened up my defrag program it shows that 1 or 2 images has been scattered in ...
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2answers
951 views

How to defrag Virtual Box HDD files?

I am using Virtual Box on Windows 7 Machine. I have created several virtual machines of Ubuntu Servers on it. I store my all virtual hard drives on a dedicated NTFS partition. This partitions has ...
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2answers
136 views

What is the “System” disk that shows up in Disk Defragmenter?

When I run the "Disk Defragmenter" program that is included with Windows, two different "drives" show up. The first is, as expected, my C: drive. The second just shows up as System: What is this ...
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1answer
41 views

Windows 8(.1) additional utilities

I'll be brief: I've formatted my computer and now I'm trying to install as little software as possible. I was wondering if CCleaner and Defraggler are really necessary? Is cleaning the registry ...
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1answer
539 views

Trying to defrag computer on Windows 8 but possible virus wont let me open program

After trying to open Defrag through command prompt I receive this message The storage optimizer cannot start because you have insufficient privileges to perform this operation. <0x89000024> Help ...
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1k views

Unable to defragment win7 laptop

I have a Windows 7 laptop that I have been unable to defragment for the last several months. When I try to invoke the defragmenter from the command line it says "The dirty bit is set on this volume". ...
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When will Fragmentation appear such that a Fragment is at an lower address as the Basefragment?

By Basefragment I mean the first fragment of a file -- containing the header etc. Lets say I have a file which is fragmented into 3 fragments (1, 2, 3). 1 has the lowest address. I think most file ...