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

learn more… | top users | synonyms (1)

1
vote
1answer
19 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 ...
0
votes
1answer
107 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 ...
1
vote
1answer
55 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 ...
0
votes
0answers
34 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 ...
2
votes
1answer
88 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 ...
0
votes
1answer
20 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 ...
1
vote
1answer
58 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 ...
-3
votes
2answers
95 views

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 ...
3
votes
1answer
62 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 ...
1
vote
2answers
51 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 ...
2
votes
4answers
186 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.
1
vote
0answers
98 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 ...
15
votes
1answer
453 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
votes
2answers
269 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 ...
0
votes
0answers
51 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 ...
3
votes
2answers
334 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 ...
1
vote
0answers
141 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 ...
0
votes
1answer
33 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
votes
1answer
63 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 ...
0
votes
2answers
382 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 ...
1
vote
2answers
77 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 ...
0
votes
1answer
40 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 ...
0
votes
1answer
237 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 ...
0
votes
1answer
415 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". ...
1
vote
1answer
17 views

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 ...
0
votes
3answers
119 views

How do I go about increasing defrag speed?

I'm running a defrag on a friend's laptop which is horribly fragmented and it is taking an age. Would killing any unnecessary running processes increase the speed of the defrag or is the bottleneck ...
1
vote
0answers
250 views

What is this mystery volume in Windows 8.1?

What is this mysterious volume listed in Optimize Drives list in Windows 8.1? I only have one hard disk, drive C:.
-3
votes
1answer
77 views

Computer is very slow to open folder [closed]

How to fix my computer to make it very fast to access all folders? After defragmentation, my computer became very slow to open a folder. Before defragmentation, it could access the files from a ...
3
votes
1answer
1k views

Does Windows 8.1 prevent defragmentation from a SSD even in the event of running by mistake defrag on command prompt?

Hope you can me with this. I am concerned about a possible defragmentation on my SSD. I have a laptop running Windows 8.1 preinstalled and further equipped with a SSD. Windows 8.1 has detected the ...
0
votes
0answers
170 views

Disk fragmentation. Is it suppose to take up more space?

I decided to defrag my laptop for the first time after having my laptop for 1,5 years. I found this program piriform defraggler to use. it says my HDD is 13% fragmented, I clicked defrag and it says ...
0
votes
0answers
497 views

Windows 8: disk usage is always at 100%

I have noticed recently that my laptop runs slowly. Reason is (as I think) that disk usage is at 100% most of the time. It's also true even when running relatively disk-independent apps. What did I ...
0
votes
1answer
218 views

defrag command line in Windows 7

I'm trying to consolidate my system partition volume by running defrag in a command prompt in command line recovery mode. This is the command I'm trying to have executed: defrag C: /X /H /U After I ...
4
votes
2answers
632 views

Windows 8 wrongly detects my Raid1 HDD as Solid state disk

I have upgraded my machine from Windows 7 to Windows 8 and then Windows 8.1 (this is the only available upgrade path to keep my files, settings AND applications). My system is setup as follows: 2 x ...
1
vote
0answers
60 views

Defragmentation - stuck at high percent, SQL and big file drives

I have a question regarding fragmentation - I am maintaining a couple of SQL and file servers. All of them store their data on D:\ (for SQL server it makes D:\ drive be actually about 10 files, all ...
0
votes
0answers
28 views

Windows will not open processes

I recently I come upon an unexplainable issue concerning my Windows 7 partition. When I woke up Thursday morning and logged into Windows, I discovered that it was acting really slow. It didn't take ...
0
votes
1answer
88 views

OS partition has 512 bytes clusters, should I convert to 4k?

I made a mistake and formatted the OS partition with 512 bytes cluster size, thinking that this will save a lot of space when storing small files (That was a long time ago, I didn't know that it will ...
0
votes
0answers
75 views

Reallocation Event Count high threshold

I've bought recently a WD black, and I've made a SMART check on it, these are the values : http://prntscr.com/3t6szr The rellocation event count worries me. The HDD works pretty neat tho. Installed ...
0
votes
1answer
51 views

Can a USB be removed with out un-mounting during de-fragmentation

I have a USB flash drive formatted to fat32 and I have a batch file to defragment it. Would there be any damage done to the flash drive or it's files if I was to unplug it from the USB port while it ...
-1
votes
1answer
142 views

Best way to defragment hard drive? [closed]

I'm trying to understand how defragmenting works so I can write my own program to do it. I was considering have it iterate through the files on the hard drive and defragment them each seperately. ...
0
votes
0answers
55 views

Boot defrag before or after full defragmentation

As part of regular housekeeping I often run defraggler. I also run a boot time defrag. Is there any difference what order these should be run. I usually run boot-defrag first as I feel the normal ...
0
votes
2answers
3k views

How often should I defragment drives?

You can schedule Disk Defragmenter on Windows 7 to defragment disks daily. When it is useful?
0
votes
1answer
295 views

Where on the disk is the NTFS reserved area?

By default on a freshly installed system with plenty of free space on a disk, where are the NTFS reserved area located on the disk? What percentage of the way through the disk is it located at? ...
0
votes
1answer
466 views

Does Disk Defragmenter run if schedule is missed?

I'm reading a Microsoft book which says: Disk Defragmenter runs automatically on a schedule in Windows 7 (every Wednesday at 1 a.m.). What happens if the computer is not powered on at 1 a.m. ...
2
votes
0answers
116 views

Consolidation of Free Space on Ext4

I'm building an linux installation which then will be pushed to various devices with different means of mass storage. Therefore, I'd like to shorten the partitions lengths before creating an image to ...
-1
votes
1answer
164 views

Defragging SSD once in order to shrink partition is also bad?

I need to somehow "defrag" my windows 7 partition in order to make a smaller image-backup of it, But windows disk management won't allow me to shrink the partition beyond x mb I need. Defraggler shows ...
0
votes
2answers
1k views

how to fully consolidate freespace on a defragmented HD

My scenario: my hdd is fully defragmented and must be kept defragmented free space must be fully defragmented (no small gaps) so when copying new files with iso2opl they aren't fragmented I think ...
3
votes
5answers
4k views

Is it bad to defrag a ssd? Or just pointless? [duplicate]

I've read on some websites that it's bad to defrag an ssd. But I'm reading on this website now and one person was like "You didnt do any harm its just not necessary to defrag it." I feel like that's ...
4
votes
2answers
1k views

Avoiding extreme fragmentation of compressed system images on NTFS

Problem explanation I'm storing windows disk images created with wbadmin on NTFS drive, and I found compressing then with NTFS compression gives 1.5-2× space conservation, still giving full ...
1
vote
1answer
381 views

Optimisation not available on TrueCrypt drive with Windows 8.1

I have Windows 8.1 with TrueCrypt 7.1a. I have encrypted the whole of my secondary drive. The "Optimise Drives" dialog reports the media type as "unknown" and the current status reports as ...
1
vote
1answer
30 views

EXT and other filesystems

Is it true only NTFS needs to be defragmented? Are filesystems like ext4, 3 and 2 immune to fragmentation issues. Apple never seems to require a defragmentation so what makes some filesystems immune ...