From: Warren Toomey <wkt@tuhs.org>
To: tuhs@tuhs.org
Subject: Re: [TUHS] Unix half a billion seconds old in 1985
Date: Mon, 5 Nov 2018 14:22:45 +1000 [thread overview]
Message-ID: <20181105042245.GA9156@minnie.tuhs.org> (raw)
In-Reply-To: <CAG=a+rjbK-GAGrh5uA4SjLRVgJ258582UAxjgSDkM_3BmKumAg@mail.gmail.com>
On Sun, Nov 04, 2018 at 07:16:35PM -0800, Ken Thompson via TUHS wrote:
> so, we ran for 2 years and ended
> up facing big problem in the 3rd.
> our solution was to read all files
> and all backup tapes and subtract
> one year from all dates and move
> the epoch up a year. we didnt mind
> since dectapes (our backup tapes)
> had to be rewritten to keep the bits
> from rotting.
>
> we did it again the next year and
> when disaster was facing us on
> the 4th year, we went to seconds.
This bit me when Dennis sent me an electronic copy of a DECtape from
this timeframe. It took us quite a while to decide how to interpret
the timestamps. See:
https://www.tuhs.org/Archive/Distributions/Research/1972_stuff/Readme
right down the bottom.
Cheers, Warren
next prev parent reply other threads:[~2018-11-05 5:49 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-04 20:52 Dave Horsfall
2018-11-04 22:44 ` Warner Losh
2018-11-05 0:29 ` Andy Kosela
2018-11-05 0:42 ` Bakul Shah
2018-11-05 3:16 ` Ken Thompson via TUHS
2018-11-05 4:22 ` Warren Toomey [this message]
2018-11-04 23:35 ` Greg 'groggy' Lehey
2018-11-08 14:25 ` WIlliam Cheswick
2018-11-04 23:39 ` Robert Brockway
2018-11-05 3:54 ` Dave Horsfall
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