[TUHS] Disk data layout (was: /dev/drum)

[Dave Horsfall]

On Wed, 25 Apr 2018, Paul Winalski wrote:

> Bin number was zero except on the IBM 2321 data cell drive.  CKD drives 
> supported a variable number of records on each track, hence the term 
> "record" rather than "sector".

Would that have been the infamous chicken-plucker?[*]  Wherein if things 
went OK, then they were OK, but if things went wrong...

[*]
Also known by, ahem, a name that rhymes...

-- 
Dave Horsfall BSc DTM (VK2KFU) -- FuglySoft -- Gosford IT -- Unix/C/Perl (AbW)
People who fail to / understand security / surely will suffer. (tks: RichardM)