4
votes
2answers
114 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
votes
1answer
72 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
1answer
119 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? ...
1
vote
1answer
27 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 ...
2
votes
1answer
1k views

How to defragment a large TrueCrypt volume that has barely any free space

I have a TrueCrypt 7.1a volume that is about 50 GB in size, formatted with NTFS and has close to 100 MB of free space. I have close to 300,000 files in it. When I was setting this up, I did this ...
11
votes
4answers
31k views

How do you defragment the MFT on an NTFS disk?

A while ago, I nearly filled my hard drive, much more than the recommended maximum of 85% of capacity. I believe that NTFS started storing files in the space reserved for the Master File Table (MFT) ...
23
votes
2answers
9k views

Why did defragmenting C drive increase my free disk space by 10 GB?

I used Defraggler to defragment free space on my 100 GB C:\ drive which was 85 GB full. After defragmentation, the drive showed only 75 GB full. How did 10 GB  of free space ...
0
votes
1answer
47 views

Reserving space for files or set where on the HDD a file should be placed

To reduce fragmentation, I'd like to either reserve space for files or manually state where files should be stored on the HDD so the files can grow without fragmentation. This is useful for my mail ...
7
votes
2answers
965 views

What block allocation algorithm does NTFS use?

On Windows XP 64, I downloaded a 1.2 GB file and it ended as fragmented as the image shows. Unfortunately, before taking the snapshot from Piriform Defraggler I defragmented the other files, so you ...
5
votes
1answer
287 views

Is it safe to edit files during the defragmentation process?

Assuming I'm on an NTFS partition, is it just as safe to edit files during defragmentation as when not? Is there any added risk, even if very small? If not, how does the operating system ensure the ...
0
votes
1answer
415 views

My partitions won't defrag

I can't defrag my partitions, I tried with windows software, with Smart Defrag, Defraggler and others They all do the defragmentation process, but when I analyze again, I have the same fragmentation ...
4
votes
5answers
3k views

What's the fastest application for defragmenting NTFS?

For daily/weekly use, so not copying whole disk/partition to disk/partition. What's the fastest way in Windows to defragment NTFS? Edited to add: This is on a 2 Tb hard drive, used for storage only, ...
1
vote
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 ...
2
votes
4answers
2k views

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?