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

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Mac filesystem and defragmentation

Since the Mac OS is running on something kind of like Linux does that mean that it also doesn't get fragmented?
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VMware says virtual disk is fragmented

In Linux I'm running Windows inside VMware Player. When I shut down Windows, VMware Player says the following: How can the disk be fragmented if the host system is Linux? If I defragment the drive ...
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1answer
631 views

Windows XP: Disk Cleanup: File takes a long time to access

I recently ran Disk Cleanup (with the "compress old files" option) and Disk Defragmenter on a PC with Windows XP. This computer was purchased in 2004, and was a "middle of the road" computer at the ...
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830 views

How to force files together on a Linux partition?

I have a dynamically expanding VDI file which is 14 GB big while the partition itself is only 2 GB. The files are too spread out over the disk so zero-ing the free space and compacting the VDI didn't ...
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208 views

Looking for Registry DEFRAGMENTATION application!

I'm looking for open source or freeware registry defrag app, preferably one who doesn't need a stupid .exe installer. .zip packed and ready to go prefered! I'm using Windows 7.
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2answers
612 views

Windows cannot initialize a synchronization event

I get the above error message in a Windows batch file that tries to defrag two disks (Windows XP Professional SP3), on the second defrag. The first one works fine. The relevant code is: echo My C: ...
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2answers
197 views

Windows 7 sees 100% free space

I installed Windows 7 Ultimate and it worked well. But I realized that I needed Windows 7 Professional. I installed the new edition. Then I tried to defragment my HDD (I use Ashampoo Winoptimizer 7), ...
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1k views

How do defragmenting programs work?

a) What algorithm would a typical defragmenting program use to get rid of the fragmentation? b) In Defraggler, I have a quick defrag option and a defrag option. Assuming defrag would do a normal ...
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649 views

disc access really slow

It has been over a year me using my machine (a laptop), and these days disk access has become really slow. I am using Windows Vista Home Premium. The disc fragmentation (checked using Defraggler) is ...
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76 views

Defragment the Windows registry? [duplicate]

Possible Duplicate: Is it worth cleaning the registry? Are there benefits to defragmenting the Windows registry? Or at least rewrite it in some way so as to take less space? Is there a ...
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2answers
319 views

Defragging Host OS of VMWare

I want to ask something that has been puzzling me from last few days. I will try to explain my problem as clear as I can ... I have VMWare Workstation installed in my machine. And I use one separate ...
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1answer
2k views

How to remove NTFS system files from a previous Vista installation

Tl;dr: Can't delete inaccessible (because system file and without owner) C:\$Extend\$UsnJrnl:$J. I'm trying to shrink my system partition under Win Vista. It's all fine, except that in front of the ...
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Impossible to defragment and resize a partition

I'm trying to shrink the main partition on my new PC with Windows 7 64-bit preloaded from 500 GB to 100 GB. Unfortunately, some files prevent any attempt to go below 290 GB. I have already ...
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1answer
50 views

What are the A0xxxxxx.DLL files?

If you've ever watched a windows computer defrag a drive, you might have noticed that many of the files that are fragmented and need fixed have names like A0833773.DLL. If you know regular ...
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2answers
404 views

is it worth defragging an iPod

Essentially my 5G iPod was cutting tracks off and generally misbehaving. So I did the following: 1) Use Diskwarrior - heavy directory fragmentation which it fixed; 2) Use iDefrag - some ...
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2answers
965 views

Defrag during/“after” shutdown?

I use PageDefrag to keep my page-file healthy, and have it set to run at every boot with a 1sec timeout. I think it would be really handy to be able to defrag the rest of my machine every-time I tell ...
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3answers
383 views

Fault with disk de-fragmentation on Windows 7 using various tools

I've recently been trialling various defragmentation tools, specifically: My Defrag Ultimate Defrag Ultra Defrag The problem is that I have noticed the same issue with all three of them; that the ...
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1answer
1k views

Is there a way to shutdown the computer after defrag with the builtin Windows 7 defrag tool?

I don't like running defrag when I use the computer, so I want to start it before going to bed and let it do its work and have it shut down the computer when it's done. I haven't find an option for ...
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1answer
30 views

Screen Saver (JkDefrag) functionality when monitor powers down

This may sound like a silly question, but I can't logically decide on the answer. I am using the JkDefrag in screensaver mode to regularly defrag my hard drive during downtime. If I have my power ...
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5answers
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Do SSDs get fragmented, and if they do, is that an issue?

Do solid state drives get fragmented? And if they do, does it cause their performance to suffer?
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353 views

Windows XP - File Fragmentation, what is it and why does it occur?

I'm an XP user and I've always wondered why files become "fragmented", and why you don't have to deal with defragmenting the hard drive in Linux? Is it something that's Windows-specific or do Linux ...
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3answers
100 views

Can You Defragment with Help of a Separate Drive on XP?

So basically I have a drive that I've tried to clean up, but I still cannot get enough continuous space on it for files to defragment properly, so can I use another drive with a lot of extra space to ...
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5answers
2k views

Strange defragmentation tool : free space reduced after defragmentation

I used diskeeper for defragmenting my C drive on vista. Initially I had 2.6 GB free space, after defragmentation, it is just 480 MB. What happened? Please help to recover the space. Defragmentation is ...
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772 views

Best defragmentation tool for Windows Vista [closed]

Windows Vista's built-in tool does not give any status of current state of defragmentation. And TuneUp is very heavy. Is there any other good defragmentation tool for Windows Vista? Edit: I want a ...
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Boot Camp fails to create a Windows partition because it can't move files

I'm running Mac OS X 10.6 (Snow Leopard) on a mac with a 320 GB drive, 167GB free space, and I can't get Boot Camp running. The wizard starts creating the Windows partition, but fails with a message ...
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4answers
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Defragmentation and 15% minimum space with Windows XP

Why does Windows XP require a minimum space of 15% of the HDD to complete a defrag of a NTFS drive? Is there a better utility which doesn't have this limitation and yet does the job?
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984 views

Wiping Deleted Directory Entries and Defragmenting Directories

Edit I guess I should clarify that that the goal is not to securely wipe data or wipe traces of activity. The goal is to defragment folders. It’s easier to understand what I want for those who are ...
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Does a fixed size Virtual Machine file (vmdk, etc..) become fragemented?

Just sort of remembered something from OS class about fragmentation and was wondering if anyone knows for sure whether a VM file is liable to become fragmented if you tell it what size the hard drive ...
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2answers
2k views

Defragment a file or folder? Windows 7

Is there a built-in way to defragment a folder? I am using VM Player so I would like my 3 GB disk image to be defragmented if possible. My disk partition that the image lies in has 12 GB left and ...
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1answer
81 views

Extra Volumes appearing after using MyDefrag

After using MyDefrag, when I start the defrag again, two new drives have appeared - with very odd names. They are both named the same thing: \\?\Volume{WhatLooksLikeAGUID} Note the Guid (and hence ...
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4answers
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What are “Excess Fragments” in defragmenting a hard drive?

I'm defragmenting my hard drive (XP SP3) with PerfectDisk 7.0, and it finds 816,659 excess fragments when I ask for an analysis. [update] Specifically, it shows that the 1TB disk is 14% fragmented ...
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3answers
640 views

Windows Mobile Classic 6 - Defragging? [closed]

My Windows Mobile PDA is really sluggish lately, is it possible that it needs to be defragged? Also, is there anyway to defrag a Windows Mobile device?
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MyDefrag Script: Shutdown after Completion?

I'm looking for a script that shuts down my PC after it completed the procedure. Preferably inside the standard scripts!
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What happens to a backup file if it is defragmented?

I have a 22 gig XP backup file (.bkf) on a usb external drive. Windows disk defragmenter tells me the external volume should be defragmented. Should I spend the time and effort to defragment the ...
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430 views

Why is my Windows partition unwritable from Ubuntu after I defragmented it?

I have a dual boot system with Vista and Ubuntu. I use Ubuntu 99% of the time and have the Windows partition mounted for read/write. I just ran Diskeeper 2008 while in Vista to "clean up" the disk a ...
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5answers
724 views

Is it normal that XP's defrag programm will take hours and do only a small part of the job?

When running XP's default defrag program on my Acer laptop, it takes maybe 3 hours before it stops, and then the job is never done: it is clear from the programs graph that a lot remains to be done ...
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6answers
358 views

Are multiple defragmenters a good idea?

Not willing to try this out on my only computer, but it occurred to me that using multiple hard drive defragmenters might be a good idea, or might be disastrous. I'm not asking for which defragmenter ...
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4answers
1k views

Windows XP scheduled tasks and defragmenting?

I am trying to set a seduled task to defrag my HDD on a regular basis and following the guide on http://www.microsoft.com/windowsxp/using/setup/learnmore/tips/gehrke1.mspx. It does not work. That ...
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6answers
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Can Windows Defrag while Laptop is Closed?

Can I run a Defrag and close the laptop lid? Or will my computer not defrag when it is in sleep mode? If not, can I turn of the monitor of my laptop when it's not in sleep mode, like, 0 brightness?
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Does Defragmenting really help? [duplicate]

Possible Duplicate: Is defragging relevant to improving disk performance anymore? It used to be that defragmenting a hard drive gave a significant boost to performance. In the DOS days I ...
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3answers
4k views

Can I defrag my hard drive while downloading a file, if the file is on an external hdd?

I'm running Windows XP, so my guess is that the answer would be no.
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4answers
3k views

Do I need to defragment Mac OS X?

Does windows need to be defragmented regularly? Why does MacOS not have a Defragmentation utility? Please teach a detailed person
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3answers
2k views

How to measure performance gain with defragmentation?

I believe I understand the basic concepts of fragmentation of data on hard-drives, and the concept of defragmentation to counter the effects of this. What I don't really understand is how one actually ...
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8answers
4k views

What does a defrag actually do?

What does a defrag do really? Does it put the files that execute in sequence closer together?
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3answers
2k views

Why does MyDefrag take so long to Fast Optimize?

From recommendations in other questions about defragmenters, I decided to try out MyDefrag. However I'm finding that the Fast Optimize script is running very slowly, specifically it seems to take a ...
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4answers
206 views

Why defragging should be manually started in Windows XP?

Why we have to manually start the disk defragmenter in Windows XP?.
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3answers
538 views

Get Fragmentation of a Drive on Vista?

Can I get statistics about the Fragmentation of a drive on Windows Vista? The Defrag utility only allows me to defrag and adjust the schedule, but I'm missing the statistics that older Windows ...
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3answers
719 views

Fine-grained control of O&O Defrag?

I am using O&O Defrag to defragment the files on my computer (Windows, NTFS file system). Is it possible to specify that particular folders (and the files/folders within them) be placed in the ...
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7answers
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Is defragging relevant to improving disk performance anymore?

Does it stil make much difference, now that we have much faster and larger HDDs? Generally I find if disk performance is getting too slow, it's probably because of too little free space, and the ...
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7answers
1k views

Looking for an alternative to the Windows defrag utility [closed]

Under Windows XP, what are some alternatives to the default disk defragmenter?