It is possible to set some drives to block sizes other than 512 bytes, and
hardcoding 512 is not a good idea, especially in code that might last a
while. In a few years we might have 4096-byte blocks to let the drives use
more powerful error correcting codes.
David Chambliss
Research Staff Member, Computer Science /Storage Systems
IBM Research Division
(408) 927-2243 (TL 457-2243)
FAX (408) 927-3497
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