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Groups > alt.folklore.computers > #162948
| From | jmfbahciv <See.above@aol.com> |
|---|---|
| Newsgroups | alt.folklore.computers |
| Subject | Re: IBM's 96 column punch card (was System/3)? |
| Date | 2016-04-26 11:42 +0000 |
| Organization | "Have EDDT, will travel" |
| Message-ID | <PM00053161ACFBFD0A@aca405eb.ipt.aol.com> (permalink) |
Dan Espen wrote: > hancock4@bbs.cpcn.com writes: > >> On Saturday, April 23, 2016 at 6:07:27 PM UTC-4, D_J_E wrote: >> >>> That does not change the fact that a IBM 14xx with a 1311 drive >>> could and did operate for years without ever reporting a disk >>> error. >> >> Some examples... >> >> Our 2314 locked up and our entire S/360 was dead until the C/E >> could come to reset it. Lost a morning's production. >> >> Our 3705 locked up after a momentary power surge. Took forever >> to restart; in the meantime, the entire 3270 network was down. >> >> Our I/O controller locked up for a few days until they fixed it. >> >>> I started before S/360. >>> The machines I worked with were way more reliable than the old >>> EAM stuff. >> >> Ok, but with EAM stuff you could pull out the offending card, >> visually examine it, and restart things relatively easily. > > A mangled card is easy to fix. An actual broken EAM machine > was just as hard to fix as a computer. > >> Not as easily done with electronic computers. People here have reported >> using a special fluid and ironing filings to view mag tape contents. > > I've read that iron filings story a couple of times here. > Never heard the story anywhere else, even a second hand recounting. > That kind of action should not be necessary. That's what > backups are for. > > I once had to guide a site through backup restore and the first > generation backups were no good. Took quite a while but we > got the data back by going back another generation. The guy who wrote the software for the TU78 had to resort to using iron filing fluid debug the hard/software for a while. I hated that controller. /BAH
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Re: IBM's 96 column punch card (was System/3)? jmfbahciv <See.above@aol.com> - 2016-04-26 11:42 +0000
Re: IBM's 96 column punch card (was System/3)? Jon Elson <jmelson@wustl.edu> - 2016-04-26 14:36 -0500
Re: IBM's 96 column punch card (was System/3)? Morten Reistad <first@last.name.invalid> - 2016-04-27 00:42 +0200
Re: IBM's 96 column punch card (was System/3)? scott@slp53.sl.home (Scott Lurndal) - 2016-04-27 13:48 +0000
Re: IBM's 96 column punch card (was System/3)? Morten Reistad <first@last.name.invalid> - 2016-04-28 08:41 +0200
Re: IBM's 96 column punch card (was System/3)? jmfbahciv <See.above@aol.com> - 2016-04-27 12:40 +0000
Re: IBM's 96 column punch card (was System/3)? Andy Burns <feb2017-usenet@adslpipe.co.uk> - 2016-04-27 14:51 +0100
Re: IBM's 96 column punch card (was System/3)? Jon Elson <elson@pico-systems.com> - 2016-04-27 22:27 -0500
Re: IBM's 96 column punch card (was System/3)? jmfbahciv <See.above@aol.com> - 2016-04-28 12:06 +0000
Re: IBM's 96 column punch card (was System/3)? Quadibloc <jsavard@ecn.ab.ca> - 2016-04-28 07:49 -0700
Re: IBM's 96 column punch card (was System/3)? Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2016-04-28 17:03 +0000
Re: IBM's 96 column punch card (was System/3)? "Osmium" <r124c4u102@comcast.net> - 2016-04-28 12:18 -0500
Re: IBM's 96 column punch card (was System/3)? Anne & Lynn Wheeler <lynn@garlic.com> - 2016-04-28 11:19 -0700
Re: IBM's 96 column punch card (was System/3)? hancock4@bbs.cpcn.com - 2016-04-28 14:19 -0700
Re: IBM's 96 column punch card (was System/3)? "Charles Richmond" <numerist@aquaporin4.com> - 2016-04-29 16:47 -0500
Re: IBM's 96 column punch card (was System/3)? jmfbahciv <See.above@aol.com> - 2016-04-29 12:18 +0000
Re: IBM's 96 column punch card (was System/3)? Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2016-04-28 17:03 +0000
Re: IBM's 96 column punch card (was System/3)? jmfbahciv <See.above@aol.com> - 2016-04-29 12:18 +0000
Re: IBM's 96 column punch card (was System/3)? Morten Reistad <first@last.name.invalid> - 2016-04-29 15:14 +0200
Re: IBM's 96 column punch card (was System/3)? pechter@pechter.net (William Pechter) - 2016-05-03 14:09 +0000
Re: IBM's 96 column punch card (was System/3)? Jon Elson <elson@pico-systems.com> - 2016-04-27 22:19 -0500
Re: IBM's 96 column punch card (was System/3)? pechter@pechter.net (William Pechter) - 2016-05-03 14:21 +0000
Re: IBM's 96 column punch card (was System/3)? pechter@pechter.net (William Pechter) - 2016-05-03 14:03 +0000
Re: IBM's 96 column punch card (was System/3)? Jon Elson <jmelson@wustl.edu> - 2016-05-03 13:58 -0500
Re: IBM's 96 column punch card (was System/3)? Jon Elson <jmelson@wustl.edu> - 2016-05-03 14:22 -0500
Re: IBM's 96 column punch card (was System/3)? pechter@pechter.net (William Pechter) - 2016-05-04 20:21 +0000
tape drives [was Re: IBM's 96 column punch card (was System/3)?] Rich Alderson <news@alderson.users.panix.com> - 2016-05-03 15:39 -0400
Re: IBM's 96 column punch card (was System/3)? jmfbahciv <See.above@aol.com> - 2016-05-04 13:02 +0000
Re: IBM's 96 column punch card (was System/3)? Jon Elson <elson@pico-systems.com> - 2016-05-04 11:45 -0500
Re: IBM's 96 column punch card (was System/3)? Morten Reistad <first@last.name.invalid> - 2016-05-05 01:13 +0200
Re: IBM's 96 column punch card (was System/3)? Jon Elson <jmelson@wustl.edu> - 2016-05-05 14:25 -0500
Re: IBM's 96 column punch card (was System/3)? scott@slp53.sl.home (Scott Lurndal) - 2016-05-05 19:34 +0000
Re: IBM's 96 column punch card (was System/3)? jmfbahciv <See.above@aol.com> - 2016-05-06 13:28 +0000
Re: IBM's 96 column punch card (was System/3)? scott@slp53.sl.home (Scott Lurndal) - 2016-05-06 14:39 +0000
Re: IBM's 96 column punch card (was System/3)? scott@slp53.sl.home (Scott Lurndal) - 2016-05-06 14:41 +0000
Re: IBM's 96 column punch card (was System/3)? jmfbahciv <See.above@aol.com> - 2016-05-07 13:14 +0000
Re: IBM's 96 column punch card (was System/3)? Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2016-05-07 16:47 +0000
Re: IBM's 96 column punch card (was System/3)? Andrew Swallow <am.swallow@btopenworld.com> - 2016-05-07 23:30 +0100
Re: IBM's 96 column punch card (was System/3)? jmfbahciv <See.above@aol.com> - 2016-05-08 13:08 +0000
Re: IBM's 96 column punch card (was System/3)? Jon Elson <elson@pico-systems.com> - 2016-05-07 16:07 -0500
Re: IBM's 96 column punch card (was System/3)? scott@slp53.sl.home (Scott Lurndal) - 2016-05-07 21:23 +0000
Re: IBM's 96 column punch card (was System/3)? jmfbahciv <See.above@aol.com> - 2016-05-08 13:08 +0000
Re: IBM's 96 column punch card (was System/3)? scott@slp53.sl.home (Scott Lurndal) - 2016-05-09 15:13 +0000
Re: IBM's 96 column punch card (was System/3)? Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2016-05-09 17:05 +0000
Re: IBM's 96 column punch card (was System/3)? pechter@pechter.net (William Pechter) - 2016-05-09 22:41 +0000
Re: IBM's 96 column punch card (was System/3)? Morten Reistad <first@last.name.invalid> - 2016-05-10 12:01 +0200
Re: IBM's 96 column punch card (was System/3)? Peter Flass <peter_flass@yahoo.com> - 2016-05-10 06:42 -0400
Re: IBM's 96 column punch card (was System/3)? jmfbahciv <See.above@aol.com> - 2016-05-10 12:34 +0000
Re: IBM's 96 column punch card (was System/3)? scott@slp53.sl.home (Scott Lurndal) - 2016-05-10 13:05 +0000
Re: IBM's 96 column punch card (was System/3)? jmfbahciv <See.above@aol.com> - 2016-05-11 12:18 +0000
Re: IBM's 96 column punch card (was System/3)? scott@slp53.sl.home (Scott Lurndal) - 2016-05-11 13:27 +0000
Re: IBM's 96 column punch card (was System/3)? Morten Reistad <first@last.name.invalid> - 2016-05-10 15:53 +0200
Re: IBM's 96 column punch card (was System/3)? jmfbahciv <See.above@aol.com> - 2016-05-11 12:18 +0000
Re: IBM's 96 column punch card (was System/3)? "Simo" <dhy287@gmail.com> - 2016-05-10 04:56 +1000
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