On Tue, 13 May 2008 14:53:12 +0100, Seeker wrote:
> I have seen many comments that the file system type is not forward
> compatible,
> I quote from http://www.buildyourown.org.uk/pc-ar.../fdisk-format/
>
> "If you have the opportunity to select a system from these to format
> your Hard Disk, be aware that these system are not generally
> forwards-compatible. To clarify this, Operating Systems installed on
> Hard drives using FAT16 will not be able to access files on another Hard
> Drive (or partition) which has been formatted using FAT32 or NTFS.
>
> The same can be said for FAT32 and NTFS. However, FAT32 can read FAT16
> and NTFS is clever enough to read both FAT16 and FAT32."
>
> So believing my FAT32 Win XP could not access NTFS partitions I assumed
> the same was true over the network.
None of this is true.
The only thing required to access a file system on the base machine is a
driver for it for the OS you are running. Win XP has drivers for all
previous MS file systems, so it can access fat16, fat32, ntfs, out of the
box and there are also hpfs, ext3, and a multitude of other file system
drivers for it.
As for accessing files over a network, all it needs is for the network to
use the same protocol. The file system on either machine is irrelevant
since the file is processed by the local machine and sent over the network
using the network protocol.
So you can mix your winXP drives up with any file system it supports.
Personally, I'd format the new drive with ntfs. Back up the fat32
partitions to it and then reformat the main drive with ntfs, and copy it
back. Fat32 is not designed for really large drives of today and is really
wasteful of space using 32K blocks iirc. Thus using 32K of space minimum
even for a 10 byte file or an extra 32K block for every file on the system
that goes over the 32K boundary by just 1 byte. This means you are
probably wasting 30-50% of your drive space that you could recoup by
changing to ntfs.
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