On 10-10-22 10:21 PM, Daniel Taylor wrote:
quoted text
>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?

Dunno.
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