[TUHS] PL/I stuff - was: Book Recommendation
imp at bsdimp.com
Sat Nov 27 10:56:09 AEST 2021
On Fri, Nov 26, 2021, 5:32 PM Larry McVoy <lm at mcvoy.com> wrote:
> On Fri, Nov 26, 2021 at 07:23:07PM -0500, Dennis Boone wrote:
> > > In my experience 9 track tapes were not guaranteed to be readable
> > > some interval. In fact, a standard operations procedure was to copy
> > > important tapes to new media periodically.
> > There are always ways in which your backups can go wrong and not be
> > readable, and I'm not arguing that here.
> > But 9 track tapes have turned out to be pretty spectacularly long-lived.
> > I've personally read tapes that were stored for 30+ years in
> > unconditioned spaces.
> Contrast that with the write only exabyte tapes. I lost some stuff to
There is a reason that exabyte no longer exists. It used to take up a big
swath of central Boulder.
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