From: Warner Losh <imp@bsdimp.com>
To: Larry McVoy <lm@mcvoy.com>
Cc: TUHS main list <tuhs@minnie.tuhs.org>
Subject: Re: [TUHS] PL/I stuff - was: Book Recommendation
Date: Fri, 26 Nov 2021 17:56:09 -0700 [thread overview]
Message-ID: <CANCZdfo1xDhHXnNQ4KeACZBh7LL+ecPfqq=kwEQ6GkoGz1pHvQ@mail.gmail.com> (raw)
In-Reply-To: <20211127003006.GK19525@mcvoy.com>
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On Fri, Nov 26, 2021, 5:32 PM Larry McVoy <lm@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
> after
> > > 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
> those.
>
There is a reason that exabyte no longer exists. It used to take up a big
swath of central Boulder.
Warner
>
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next prev parent reply other threads:[~2021-11-27 1:07 UTC|newest]
Thread overview: 53+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-16 14:57 [TUHS] " Douglas McIlroy
2021-11-16 15:22 ` Richard Salz
2021-11-16 15:52 ` Ron Natalie
2021-11-23 2:28 ` Mary Ann Horton
2021-11-23 7:57 ` Henry Bent
2021-11-23 8:10 ` arnold
2021-11-23 8:28 ` Henry Bent
2021-11-23 17:26 ` Adam Thornton
2021-11-23 18:54 ` Ron Natalie
2021-11-23 19:04 ` Al Kossow
2021-11-23 19:39 ` Lawrence Stewart
2021-11-23 19:08 ` Ron Natalie
2021-11-23 21:54 ` Thomas Paulsen
2021-11-24 15:18 ` Richard Salz
2021-11-24 15:45 ` Larry McVoy
2021-11-24 18:34 ` Rich Morin
2021-11-24 18:40 ` Larry McVoy
2021-11-24 19:39 ` Clem Cole
2021-11-24 20:02 ` Larry McVoy
2021-11-26 19:49 ` [TUHS] AIX/SMIT (was Book Recommendation) Greg A. Woods
2021-11-25 10:26 ` [TUHS] Book Recommendation Tom Ivar Helbekkmo via TUHS
2021-11-25 12:20 ` [TUHS] AIX/SMIT (was Re: Book Recommendation) Stuart Remphrey
2021-11-24 20:13 ` [TUHS] Book Recommendation arnold
2021-11-24 20:18 ` Will Senn
2021-11-25 7:22 ` arnold
2021-11-24 20:15 ` Rob Pike
2021-11-24 20:21 ` joe mcguckin
2021-11-24 20:27 ` Rob Pike
2021-11-24 21:27 ` Richard Salz
2021-11-24 22:19 ` Charles Anthony
2021-11-24 22:29 ` [TUHS] PL/I stuff - was: " Will Senn
2021-11-24 23:00 ` Rob Pike
2021-11-24 23:13 ` Richard Salz
2021-11-25 1:48 ` Nelson H. F. Beebe
2021-11-25 2:03 ` George Michaelson
2021-11-25 14:47 ` Clem Cole
2021-11-26 22:20 ` Alan Glasser
2021-11-26 22:33 ` Alan Glasser
2021-11-27 0:23 ` Dennis Boone
2021-11-27 0:30 ` Larry McVoy
2021-11-27 0:47 ` Charles H. Sauer
2021-11-27 2:43 ` Alan Glasser
2021-11-27 0:56 ` Warner Losh [this message]
2021-11-24 23:54 Douglas McIlroy
2021-11-25 16:35 ` Paul Winalski
2021-11-25 18:15 ` Steve Nickolas
2021-11-26 16:59 ` Paul Winalski
2021-11-26 20:30 ` Tom Ivar Helbekkmo via TUHS
2021-11-26 21:22 ` John Cowan
2021-11-27 0:01 ` George Michaelson
2021-11-27 16:12 ` Paul Winalski
2021-11-27 15:25 Noel Chiappa
2021-11-27 15:53 ` Charles H Sauer
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