26 Dec
2015
26 Dec
'15
7:14 p.m.
On Dec 26, 2015, at 4:54 AM, Dave Wade <dave.g4ugm
at gmail.com> wrote:
...
but IBM DASD are complex in that the physical block size can differ from track to track,
and can be changed by the user.
From sector to sector, actually. And sectors can have
key fields along with the data -- the device will find a sector by key match on a track.
paul