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

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O&O Defrag: How do you auto-shutdown after defragging a hard drive?

I want to do defragmentation and then auto-shutdown the computer after the defragmentation has complete. In O&O Defrag, there's a feature where you're able to execute a certain job after ...
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2answers
8k views

Defragsvc service causes high cpu load whe notebook is idle on Windows 8

When notebook is idle, defragsvc service starts to doing some weird things and causes high cpu load. This is not regular defragmentation job, since all disks (both ssd and hdd) are not fragmented. I ...
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295 views

Windows 8 defrag schedule ambiguous

Windows 8 introduced a new dialog, called "Optimize Drivers", in which they have put a "Scheduled optimization" part. We can now choose a schedule for the optimization, but it is unclear to me what ...
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2answers
896 views

Windows 7 — Should we forget defragmentation?

Under Windows 7, restore points are now basically incorporated in the Volume Shadowing Subsystem. I have heard defragmentation (including the one provided by Windows 7) has the possibility of ...
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1answer
621 views

Moving swapfile.sys when Defragmenting Windows Partition

I am trying to defrag the hard drive partition that Windows is running on so I can shrink the partition and create a second one. I have cleared off almost 400GB (which will allow space for an ideal ...
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3answers
871 views

Does copying a fragmented source result in a fragmented target?

If I'm going to copy a hard drive or create a VHD, should I defrag the source drive first or does it not matter? Fragmentation, as I understand it, is a result of non optimal writes so I'm not sure ...
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Do ext4 filesystems need to be defragmented?

Do ext4 filesystems need to be defragmented? If so, how do I defragment them? If not, could you post a simple explanation of why they do not need to be defragmented?
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63 views

Stubborn system file will not budge from the end of drive, cannot shrink partition

I'm trying to shrink my Windows 7 partition on my 400GB HDD down to about 200GB to dual boot Ubuntu, and I have consolidated all my data and defragged a number of times with different programs (PD12, ...
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418 views

Parse contig.exe output to *.csv using command-line or PowerShell

I am trying to parse the output file from contig.exe into a a comma-separated value file. I've developed a method to do this is Notepad++, but given the number of files I have to parse (hundreds of ...
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1answer
630 views

Can i defrag windows partitions without affecting linux partitions?

Should I use any defragment software or just use builtin windows defrag manager ? I have three OSs installed in my pc. I have Fedora 17 x64,Ubuntu 12.04 x86 and Windows 7 Ultimate x64. How can I ...
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1answer
43 views

How do you get more detail out of the automated disk defragger?

It is somewhat nice that Microsoft decided to automate the disk defragger. But today my system seemed kind of slow so I thought I would run the Analyze portion to get a report particularly on the ...
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2answers
994 views

Can constant defragmentation damage a regular hard drive? [duplicate]

Possible Duplicate: Is running daily defrag bad? I heard some people say that constant defragmentation can damage a hard drive because it does a lot of read/writes. Is this true? Am I ...
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1answer
125 views

Moving data to lower sectors on an SSD without defragging

I bought an Intel SSD drive a while back and now I want to dual-boot with it. But for some reason there are sectors near the end of the drive filled and I can’t seem to find a way to remove the data ...
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4answers
2k views

How to manually move files on physical hard drive?

How can I manually move files on a physical hard disk? I want to move files which are never modified, only read, to the end of the partition, like movies or something.
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4answers
77k views

What does “Optimize Drives” do in Windows 8?

With Windows 8, there is an option to "optimize" a drive. This looks similar to the Defragment option of previous versions of Windows: I have an SSD and I know that SSDs shouldn't be ...
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1answer
556 views

How to actually defragment a JFFS2 filesystem

I have searched all over the Internet, including on a number of StackExchange forums, for a workable method for defragmenting a JFFS2 filesystem and cannot find an answer. The system in question has ...
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4answers
17k views

In linux, how do you check if a disk is fragmented?

At boot, fsck sometimes reports the frgmentation for a disk: "5.3% non-contiguous". How can I get this information myself? Is there a specific fsck invocation?
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1answer
237 views

Does a hard drive “working hard”, i.e. when defragmenting or otherwise continuously active, significantly affect a laptop's temperature?

Trying to diagnose and fix an overheating Acer 5735 laptop, running speedfan and doing general workload to try and cause the overheat conditions. I notice that windows xp is badly fragmented according ...
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2answers
11k views

Defragment Everything at Boot Time

Is there any defrag tool which defrags every fragmented file at boot time? So far, all of the tools I have seen only defragment the page file, MFT and system files at boot time.
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1answer
179 views

Defragging a mac with Drive Genius 3

I've heard many times over that OSX's system for handling files does away with the need to defragment my HDD unlike in Windows. However, I tried out Drive Genius 3 and it shows that 75% of my HDD that'...
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3answers
1k views

Is Windows defragmentation recommended before installing Linux?

I want to have both Windows and Linux installed on one HDD. I always install Windows first because GRUB recognizes Windows and auto-configure its config files. So I installed Windows, installed some ...
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1answer
3k views

Can't resize my drive, because there are unmovable files at the end

There are two unmovable files at the end of my partition, which prevents "Disk management" to resize the drive properly. The files are: Syscache.hve.LOG.1 Syscache.hve There is no shadow copy ...
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0answers
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Is it necessary to reboot after defragmenting an external drive when using Windows 7?

It's my understanding from many years ago, that it is imperative to reboot after defragmenting . Is this still true for an external drive? I'm guessing that this would hold true for another ...
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5answers
3k views

How can I tell if one defrag utility is better than another? [closed]

There's a lot of free defrag utilities (such as Smart Defrag, Auslogics Disk Defrag, JKDefrag, Defraggler, and there's alot more) But are they actually any better than the built in Windows one? And ...
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2answers
188 views

Defragment by format--copy-back

I want to do a defragment operation on my drive but I want it to be outside windows. This way, there will be no conflicts between files in-use and other issues. Is a defragment operation the same ...
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1answer
5k views

Why do big gaps remain after defragmentation in Windows XP?

I had the understanding that disk defragmentation in Windows XP reorganises your data so that files are contiguous along your hard drive. Every time I defragment my hard drive, I end up with blue ...
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1answer
2k views

Improve performance of RAID SSDs (without TRIM) with periodic disk defrag? Lack of TRIM even important?

I'm in no way experienced with setting up RAIDs or using SSDs, but I'm considering purchasing a SSD RAID setup (potentially RAID 10, but maybe RAID 0) and I've been doing a lot of research. A lot of ...
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1answer
598 views

Disk defrag scheduled task breaks on reboot

I configured the Windows 7 disk defrag utility to run on the 1st of the month at 1:00 AM. The associated task gets created in the Task Scheduler and all is well until the next time I reboot my ...
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2answers
1k views

Windows 7 inbuilt and 3rd party (de)fragmentation related queries

I have a pretty good idea of how files end up getting fragmented. That said, I just copied ~3,200 files of varying sizes (from a few KB to ~20GB) from an external USB HDD to an internal, freshly ...
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1answer
1k views

Windows XP scheduled task not running at appointed time and triggering on login

I have a scheduled defrag task on my Windows XP machine to wake up the computer and run at 3:00am every day. Then I have two other scheduled tasks, one to reboot the machine after the Defrag at 3:45am,...
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29 views

Logical disk lose free space? [duplicate]

Possible Duplicate: Windows 7 - mysteriously missing free HDD space I have a logical disk (E): 250GB, all files' size is 223GB, but when I click to the disk, It show the disk used 237GB. ...
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USB Stick Not Contiguous

I have a 4Gb FAT32 usb stick that I use to boot several iso images using grub4dos. Any iso image I add turns as contiguous however there is one iso that no matter what I do it always show up as non-...
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1answer
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Is running daily defrag bad?

Running a RAID 0 setup and was wondering if running defrag too much would lead to a disk failure faster? Disks fail based on doing too many reads and writes? or is it based on the spinup and spindowns?...
3
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1answer
417 views

Does Disk Defragmenter continue if I close the window?

Using the standard Windows 7 Disk Defragmenter, does the defragmenting process continue if I close the window after star a task manually? There's no warning when I close the window, but I always ...
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1answer
4k views

Windows 7 Defrag scheduled seems did not work

I use windows 7 from the beginning, so the first time when I looked into the Windows 7 Disk Defragment program and I saw the Scheduled Defrag I supposed that it worked and I did not check if it worked ...
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2answers
2k views

Defragment - windows - better defragment free space or files?

I had read once here : Defragmenting all the fragmented files before CCleaner means that larger contiguous areas will be released for use instead of more and more, and smaller and smaller ...
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2answers
956 views

Frequently used files utility

Is there a Windows utility that would analyse which files are being most frequently used on one's machine? It should be able to store this statistics over several user sessions... It would help one's ...
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Can users besides Administrator run defrag in XP?

I know you can't do this by default, you will get somethign like "You must have administrator privileges to run this application.." or whatever, but I have tried various ways to get around this. I ...
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Should I defrag the hard drive running on a Virtual Machine?

I know that there is no point (in fact it is a bad idea) to run Defrag on an SSD. What about a virtual machine running on an SSD, should I defrag it's hard drive since it is basically accessing the ...
2
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1answer
275 views

Benchmarked effects of disk defragment in windows

Is there a study or something I could have a look at to find out how and to what extend disk defragment improves performance in windows? A benchmarking study to show the before and after effects ...
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3answers
358 views

How do I stop my laptop from waking up?

I never scheduled wake up for my laptop, but after scheduling Auslogics Defragmenter to run on Sundays, 6:01AM and laptop to wake up at 6:00AM in Task Scheduler, it was waking up. Auslogics ...
3
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3answers
2k views

How to defrag a folder to make sequential file access faster

I work with real-time video apps, and just defragged my (Win XP) system to try to improve the general performance. It did... but it appears to have destroyed the generally contiguous nature of certain ...
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1answer
289 views

In a multi-boot setup, does defragmenting from one OS affect the whole drive, or only its partition?

In other words, does defragmentation have to be done on each OS separately?
3
votes
3answers
285 views

Defragmenting a large amount of files (35GB) over night

I'm trying to defrag my HP G60-116ea laptop using Piriform Defraggler. Even their quick scan has been on 0 percent for about 30 minutes. There are 34GB of fragmented files. I'm presuming this is a ...
5
votes
1answer
5k views

Why is disk fragmentation measured as a percentage?

In Windows if I open up the Disk Defragmenter and analyse a disk the tool reports the disk fragmentation as a percentage: What does this percentage mean? Obviously if a drive is 0% fragmented then ...
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2k views

Scan Disk then Defrag, or Defrag then Scan Disk (in Windows)?

Which one should I do first in Windows 7? Scan Disk or Defragmenter?
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Unknown volume listed under Windows defragmenter

Does anyone know what "\?\Volume...." is or why it would be listed as a disk on the windows defragmenter? It is not listed on other defragmenters like defraggler. The E: and F: drives are ...
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Windows 8 Defragmenter?

It seems like Windows 8's defrag command has some new options, including: /K Perform slab consolidation on the specified volumes. Does anyone know what this means in English?
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5answers
2k views

Why does Windows Defragmenter do nearly nothing on a disk with 23% empty space?

While trying to defragment a 80 GB NTFS (4 KB cluster size) volume on Windows XP, I encountered a strange problem: the defragmentation process is very quick, but also very useless. Graphically, I ...
3
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1answer
719 views

What should I do with a badly fragmented disk? Defrag or copy to another drive?

I've inherited a machine with a large, badly fragmented disk drive containing lots of files. Defragging is very slow, and makes the drive seek a zillion times (you'd think enough to cause a ...