More recently (but not that recently!) a friend swears a secretary at his office did this with a stack of floppies and a bad drive.
On Sat, Apr 13, 2019 at 2:19 PM Jesse 1 Robinson <jesse1.robin...@sce.com> wrote: > Legendary--possibly apocryphal--story of the of the 3330 pack that got > warped enough to ruin heads but did not itself disintegrate. Over zealous > operator moved the pack from one drive to another looking for an operable > one. Until they were all dead. True or not, nobody misses those days. > > . > . > J.O.Skip Robinson > Southern California Edison Company > Electric Dragon Team Paddler > SHARE MVS Program Co-Manager > 323-715-0595 Mobile > 626-543-6132 Office ⇐=== NEW > robin...@sce.com > > -----Original Message----- > From: IBM Mainframe Discussion List <IBM-MAIN@LISTSERV.UA.EDU> On Behalf > Of Tom Brennan > Sent: Saturday, April 13, 2019 10:27 AM > To: IBM-MAIN@LISTSERV.UA.EDU > Subject: (External):Re: Incoming | Computerworld SHARK TANK > > Interesting story! The only time I've actually seen a head crash was on > an old 3330 where I had just popped in a RES pack. I walked over to the > hardware console to IPL - the old 3270 where you had to type L1/A2 or > whatever those commands were. The hardware console told me I had an I/O > error, and there was a red light on the device. I pushed the button to > open the 3330 drawer and there were bits of disk head all over the inside. > > On 4/13/2019 9:16 AM, Gabe Goldberg wrote: > > Many years ago I had friends in old DEC building in Maynard, MA. They > > had story of periodic head crashes on monster disk drives with > > vertically spinning platters. They realized cause: trucks backing into > > loading dock hitting and shaking the building -- since platters were > > oriented perpendicular to truck motion. Solution: turn drives 90 > > degrees to align platters with truck motion. At worst, I/O errors but > > no head crashes (I guess heads flew much higher than on today's > > devices). I'll ask veterans I know of that time/place to confirm... > > > > ITschak Mugzach<imugz...@gmail.com> said: > > > > That reminds me another story. ten years ago a client of us installed > > a new hitachi disk array. The technician installed and configured the > > array, but for some reasons, it was not immediately used by the > > client. few days later, the client tried to connect to the array and > > it was down. it was repeatedly don everyday afterwards. investigation > > showed that the the people who cleans the computer room unplugged the > > power for the vacuum cleaner... The array was using a standard power > plug. > > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN > -- zMan -- "I've got a mainframe and I'm not afraid to use it" ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
