Mark Lord wrote:
The RocketRaid BIOS that I examined here a couple of years ago,
liked to write "metadata" over top of whatever was in certain sectors
near the end of the drive. EVEN FOR NON-RAID DRIVES.
I think it was the last even (power-of-two) multiple of 1GB
or something,
so if you leave the final 2GB untouched, you're guaranteed to
avoid it.
Thus the recommendation.
What happens to the backup GPT at the end of the disk?