What is the Reserved for System Drive Space?

[TMitchell]

Disk defragmenter (Diskeeper 8.0) shows a large chunk of drive space on
my W2K(SP4) system as being "reserved" for the "system" (and it's not
for the Paging File, or Directories of regular files, etc.).

What is this space "reserved" for?

 

[Bruce Chambers]

Disk defragmenter (Diskeeper 8.0) shows a large chunk of drive space on
my W2K(SP4) system as being "reserved" for the "system" (and it's not
for the Paging File, or Directories of regular files, etc.).

What is this space "reserved" for?

If your hard drive is formatted using the NTFS file system, it may well
be the Master File Table (MFT).

--

Bruce Chambers

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[Rob Stow]

If your hard drive is formatted using the NTFS file system, it may well
be the Master File Table (MFT).

I don't think it can be that.

Space used by the MFT is not "reserved" - it has already been
used. There is also the MFT Reserved Zone that is set aside for
future expansion of the MFT, but Diskeeper and PerfectDisk both
label the MFT Reserved Zone as being exactly that.

 

[TMitchell]

I don't think it can be that.

Space used by the MFT is not "reserved" - it has already been used.
There is also the MFT Reserved Zone that is set aside for future
expansion of the MFT, but Diskeeper and PerfectDisk both label the MFT
Reserved Zone as being exactly that.

Well, what can it be then? It appears to be taking up quite a bit of
hard drive space.