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From: mitchalsup@aol.com (MitchAlsup1)
Newsgroups: comp.arch
Subject: Re: Architectural implications of locate mode I/O
Date: Sat, 6 Jul 2024 02:21:46 +0000
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Lynn Wheeler wrote:
>
> other trivia: when I transfer to San Jose, I got to wander around
> datacenters in silicon valley, including disk engineering & product test
> (bldg14&15) across the street. They were doing prescheduled, 7x24,
> stand-alone mainframe testing. They mentioned they had recently tried
> MVS, but it had 15min mean-time-between-failure, requiring manual
> re-ipl/reboot in that environment. I offered to rewrite I/O supervisor
> to make it bullet-proof and never fail enabling any amount of on-demand,
> concurrent testing (greatly improving productivity). Downside was they
> would point their finger at me whenever they had problem and I was
> spending increasing amount of time diagnosing their hardware problems.

Punishment of the Good Samaritan.....