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- What is $MFT file and can the size be reduced? - Super User
The MFT reserve is definitely not the cause of such defect Many people now have system volumes with a MFT larger than several gigabytes, even if there's never been more than 200k files using at most 250k MFT records (normal MFT record size can be 1KB on the main Windows volume, or 4KB for other volumes specially formatted for large data files)
- windows xp - What is Reserved MFT Space? - Super User
The MFT Zone is not subtracted from available (free) drive space used for user data files, it is only space that is used last When the MFT needs to increase in size, for example, you created new files and directories, it is taken from the MFT Zone first, thus decreasing MFT fragmentation and optimizing MFT performance
- How do you defragment the MFT on an NTFS disk? - Super User
I believe that NTFS started storing files in the space reserved for the Master File Table (MFT) and the MFT had to fragment elsewhere as it grew I have cleared off space on the hard drive, but the MFT apparently remains fragmented, and there's a lot of slow disk access for even very simple operations like opening a folder or small file
- windows - Cant shrink volume due to \$Mft::$DATA - Super User
There are free defrag tools that may allow you to move the MFT fragments towards the start of the drive, the Windows defrag API even allows for this to be done 'online', and I think even Defraggler can do it My own DiskTuna tool was capable of doing it too, but since it's over a decade old and not touched since then, I'd use something else
- How can I move the MFT to end of contiguous used space?
Contrary to other answers, this IS possible, but can be challenging Why might you want to do this? Windows often places the MFT in the middle of the disk for historical performance reasons - this can prevent shrinking of a volume as Windows won't shrink the volume beyond un-movable files (of which the MFT is one)
- Simplest way to view master file table (MFT) size in Windows 7?
In the output, look for the Mft Valid Data Length line The value is hexadecimal; you can convert it to decimal using the Windows calculator or by simply running it (starting with 0x) in PowerShell as a command That gives you the number of bytes, which when divided by 1024 2 = 1048576 gives you the MFT size in MiB
- hard drive - How to reset an NTFS MFT for no tracks of deleted files . . .
First, the MFT record size is not necessarily 1KB (it can be larger when the NTFS volume was prepared); then the MFT record starts at least by a "basic attributes" entry which consumes some bytes and which is always resident; it may be then followed by a resident entry for MFT extension (if there are too many attributes than can fit the MFT
- Is it possible to backup the MFT in Windows? - NTFS
It'll probably be considered corrupted by the OS if it doesn't accurately depict the current state 2) The whole idea of backing up the MFT is to guard against MFT corruption, but what if the actual file data become corrupted? Then a perfect MFT is useless since ultimately, the files are what's important Much better just to backup the files
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