--- "Andrew W. Hill" <[EMAIL PROTECTED]> wrote:
> >--- "Andrew W. Hill" <[EMAIL PROTECTED]> wrote:
> >> >--- "Andrew W. Hill" <[EMAIL PROTECTED]> wrote:
> >> >> I just finished installing everything on
> this
> >> new
> >> >> 30gig hard disk,
> >> >> when I looked at the size of an extension I
> was
> >> >> emailing to someone
> >> >> and found it was 448k for 7,967 bytes used.
> >> >> Obviously, this didn't
> >> >> seem right, so I got info on the hard disk.
> >> >>
> >> >> Guess who formatted a 30GB hard disk in
> MacOS
> >> >> Standard Format....
> >> >
> >> >LOL! HFS can really stretch those 65,536
> clusters.
> >> :)
> >> >(At least Microsoft sensibly put a 2gig limit
> on
> >> >FAT16 so nobody would end up with 448K
> clusters.)
> >> >
> >> >HFS+ and FAT32 don't have the 65,536
> block/cluster
> >> >limit. ;-)
> >>
> >> FAT32 still has a limit though. A 10gig
> partition
> >> will have smaller
> >> blocks than a 30gig. Not so with HFS+.
> Everything
> >> over 2gig (iirc -
> >> could be 0.5gig) has 4k. Presumably FAT32 has
> 2^32
> >> clusters?
> >
> >http://www.macworld.com/1998/04/secrets/4241.html
> >(They're wrong about floppies having 65,536
> blocks.)
>
>http://til.info.apple.com/techinfo.nsf/artnum/n24372
>
>http://www.healthtology.com/computerguys/FAQS/clustersize.htm
> >
> >Up to 4.92 billion blocks on an HFS+ formatted
> >disk. Still don't know the maximum number for
> FAT32.
> >Looks like when Apple decided to fix the
> limitations
> >of HFS, they looked way into the future.
>
> Sweet
> I was wondering about that
>
> I still say that since FAT16 had 2^16 blocks, FAT^32
> probably has
> 2^32 blocks. Next time you reformat a drive take a
> look at the min
> block size. Max Blast Plus gives you that info as
> you adjust partitions, right?
Dunno about that. FDISK has a set of default settings,
but the user can change them for FAT32 with some
command line options in the version that comes with
Win95B and Win98/98SE. You can then manually adjust
the block size and force a sub-512meg drive to be
FAT32. The trick is you must also manually specify the
same custom block size for FORMAT.
The cluster size jumps on FAT32 are there to keep down
the size of the File Allocation Table. In FAT32 the
FAT can be larger than the first block or so like in
FAT16. The second copy of the FAT is stored
immediately
after the first one. On a 1gig disk the FAT is bigger
than one megabyte. (That made it possible for Steve
Gibson of GRC to create an app for total recovery
from the CIH virus, but only on FAT32 drives of 1gig
physical size or larger.)
=====
"The earth swarms with inhabitants. Why then should nature,
which is fruitful to an excess here, be so very barren in
the rest of the planets?" Bernard de Fontenelle, 1686
[EMAIL PROTECTED]
My ICQ# 16024947
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