best practise to backup a LinkStation Duo Buffalo to external USB HDD

Hi There,

I have a LinkStation Duo Buffalo acting as a NAS. I have connected a external HDD and would like to setup daily backup. I have extracted the information from user manual page 49.

For best results, USB hard drives connected to the LinkStation for backup should be formatted with
XFS or EXT3. If a hard disk connected to LinkStation is formatted in FAT 32 or FAT 16, the following
restrictions apply:
You cannot back up more than 2 GB of data per file in FAT 16 and more than 4 GB of data per file
in FAT 32.
Files created by Mac OS X cannot be backed up, since they contains character not allowed by
FAT 32 or FAT 16.

All machine in the environment runs windows 7 and 8.1.
What is the best format system to use on the external HDD so in case of Buffalo failure I could simply connect the external HDD to one of the machine and access to the data.

Thanks
Rodrigo CarrilhoAsked:
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rindiCommented:
Use ext3. Even though M$ OS's won't be able to read the disks, you can boot the PC you connect the backup disk to with a Linux LiveCD like Knoppix or Puppy, and copy the data to your Windows systems easily:

http://knoppix.org
http://distrowatch.com/table.php?distribution=puppy
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SteveCommented:
if you want to backup MAC files or files larger than 2gb, you need to use XFS or ext3. this would not be readable by PCs directly though so would be a pain to use in the event of a NAS failure.
 FAT32 would work fine but would limit what you can back up so may not be suitable.
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