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If you are making a backup, and assuming you have mounted a DOS drive to receive the backup under /mnt/dos (insert the correct drive identifer for hdX):
mfsbackup -f 9999 -6so /mnt/dos/tivo.bak /dev/hdX
To restore that backup:
mfsrestore -s 127 -xzpi /mnt/dos/tivo.bak /dev/hdX
If you want to copy from one drive directly to another (replace hdX with the source and hdY with the new drive designations):
mfsbackup -f 9999 -so - /dev/hdX | mfsrestore -s 127 -xzpi - /dev/hdY
In all cases the key options are:
In mfsbackup....
-s ..... Shrinks the volume set. This will divorce two drive installations, and will allow the backup to be restored to a drive of the same size as the original, or larger, and be "re-expanded."

-f 9999 ..... On a Series 2, this is required to include all the background animations (on a Series 1, the default value of 2000 is sufficient)

In mfsrestore....
-x ..... Expands the MFS volume space to fill the drive

-z ..... Zeros out partions not backed up.
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