On 07-12-2014 10:07, Thomas Mueller wrote:
What is the biggest partition size compatible with 4096-byte (4 KB) cluster
size, cluster size being the minimum amount of space taken by a file however
small?
I googled some years ago and found it to be about 8 GB, however now I wonder if
that was wrong, and I can accommodate a bigger partition.
I'm not sure, but..... in FAT32, there are 28 bits to address the
cluster number. (But FAT entries are 32-bit aligned.)
So...
4*1024*(2**28) = 1TB
So the maximum size of the filesystem with 4KB clusters is about 1TB; I
say "about" because there are some reserved cluster numbers...
It is possible that my math is bogus. :-)
I believe the best file system ReactOS can use so far is FAT32, true also for
FreeDOS.
Off-topic: One can write file-system drivers for DOS, using the
REDIRECTOR feature...
JJ
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