Backup and Restore MBR

Les hlhowell at pacbell.net
Mon Dec 11 22:31:58 UTC 2006


On Mon, 2006-12-11 at 20:39 +0000, James Wilkinson wrote:
> Les wrote:
> >    It has been decades since I looked at the disk structure.  I am
> > curious about the current "state of the art".  Can you recommend some
> > (heavy?) reading?
> 
> That's odd -- the PC partition structure is a couple of decades old.
> You're probably up to date.
> 
> As far as I can see, http://en.wikipedia.org/wiki/Master_Boot_Record and
> http://en.wikipedia.org/wiki/GUID_Partition_Table are accurate. GPT is
> not yet used except on high end servers and Intel-based Apple Macs --
> since the existing PC partition structure has a hard disk size limit of
> 2 TB, this will have to change soon. (Yes, that also means it can't
> support RAID arrays with more usable space than 2 TB).
> 
It does.  And I mean several decades, we were all still using 5.25 real
floppies then.  I just got too involved in other stuff to do physical
architecture stuff then.  Thanks!
Les H




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