[Cialug] Tanenbaum on Storage Technology

[Jonathan A. Kollasch]

On Fri, Sep 20, 2013 at 01:37:58PM -0500, Todd Walton wrote:
> "By this time, the 128-GB limit imposed by the 28-bit LBA addresses was
> looming larger and larger, so ATAPI-6 changed the LBA size to 48 bits.  The
> new standard will run into trouble when disks reach 2^48 x 2^9 bytes (128
> PB).  With a 50% annual increase in capacity, the 48-bit limit will
> probably last until about 2035.  To find out how the problem was solved,
> please consult the 11th edition of this book."

In ATA-ACS-8 they've already introduced a mechanism to have logical
sectors be more than 2^9 bytes.  2^12 might be typical within a
decade or two.

	Jonathan Kollasch