At my first job (1975) one of the programmers was chatting to the operators and then lent against that red button on the wall. Shutdown the entire machine room of course.
Lennie -----Original Message----- From: IBM Mainframe Discussion List <[email protected]> On Behalf Of Mike Shaw Sent: 19 January 2022 16:44 To: [email protected] Subject: Re: What not to do on a z/OS system... We once had a data check we could not get past on a 3420 tape. This was around 1980, MVS/SE 1 or thereabouts. The lead sysprog hit stop on the tape drive, pulled the leading tape portion out of the vacuum column, rubbed it gently back and forth between his finger and thumb, and slowly released the tape back into the vacuum column. He hit start on the tape drive and we got past the data check and read the rest of the data on that tape without a problem. No blocks were missed. I thought that was magic at the time... Mike Shaw MVS/QuickRef Support Group Chicago-Soft, Ltd. On Wed, Jan 19, 2022 at 10:31 AM Seymour J Metz <[email protected]> wrote: > Back in the old days the R/W heads lifted up when you unloaded a tape > and moved down when you mounted a new reel. One day an interlock > didn't interlock and the R/W head mashed the hand of an operator. The > damage wasn't permanent, but everybody was more cautious after that. > > > -- > Shmuel (Seymour J.) Metz > http://mason.gmu.edu/~smetz3 > > ________________________________________ > From: IBM Mainframe Discussion List [[email protected]] on > behalf of Cameron Conacher > [[email protected]] > Sent: Wednesday, January 19, 2022 10:22 AM > To: [email protected] > Subject: Re: What not to do on a z/OS system... > > A very long time ago, (mid seventies I think) I was loading a tape to > a tape drive. > A button on my jean jacket trapped the edge of my jacket sleeve inside > the tape drive when as the glass closed. > I stood patiently and waited for the tape processing to complete so > the tape could unload. > > After that, I paid more attention when loading tapes. > > Thanks, > > .......Cameron > > > > > > From: IBM Mainframe Discussion List <[email protected]> On > Behalf Of Kirk Wolf > Sent: Wednesday, January 19, 2022 9:41 AM > To: [email protected] > Subject: [External] Re: What not to do on a z/OS system... > > Hooray! Now we've got the kind of thread that is the life blood of > ibm-main :-) > > On Wed, Jan 19, 2022, at 7:21 AM, John McKown wrote: > > I know of one MVT operator who trapped his girlfriend against a 3725 > > communication controller and dropped a university's entire network. > > Multiple sites. > > > > > > Kirk Wolf > Dovetailed Technologies > > http://secure-web.cisco.com/1cn5-HpTYfIreu2cSKoha63Y8gzW7Fj_PXrE92YSaO > IYX4-Aa02x-L7Bs1YFxIRmL8cmskPf0sybkr9abzZzF199DWdz0Ykp9FHL5bGGt4xmkeTe > L0BR-IP-4bbomeF9cRqRy_bfzwte8ereRwNUBuJpR-zoczTxEh9fDeQfNRfZH6VHksinm_ > XjXYh733Xljj6PtqiGJfh7s1sGbZ79ymHznTYdxWdHlnBE67BXeYHYTdlkiFdjCovYB674 > dhzGy5dtMVsQ9iTkQKkBwt6w3SQjmsyzXEUWpv401TIfmhcItrgRlmrX75JqZBHJ-DtzhA > Y4N-beS9ilUZoOQRfGkSjj2c98ccwmf6vN9GYmKP0lA7nZNPFxlqPHXD-BM9eStbm1z-CB > x7m40jwWuZxedUzGR2pA_y2ZoHHg4FdpvEZtlZOvONrzby1iyUtLqEoas/http%3A%2F%2 > Fdovetail.com > < > https://secure-web.cisco.com/1CMNJvovBdp9yBnlyYMX7XDwMols2kkKGgmrwSROS > W0hnu2b_NKhNXLtkgwMMcPwd1HBr_ggnaz-jOwBW47DnVEGIt4bpW8COmjVD8XqVin4Eu- > x_4HLZpGXoDORG_9Dib3tJq7_ABHXsnB_cOZ6onLOncz6m8qRxHlbuSRz29vFEJgKt_Mra > 5sXumBbRXeklvWffrMgCdm7h3-uIE-BE2zjT8qDyZa9w1nSg6wnBjmblwuVV6lUkPjJm9N > YO7sjt7IIE3oKSuCrBzJhb8dOF5aXoc4vT0JenP__8Xsug2eziZJMK48OUmxY5e-94ngrz > sGRHaYOmnzU5tmHh4jet_pvGp2n0pooHyyoGJoI39jy-YnXJwIlOsQ4ks2OtnTA5u6L2rE > 7KNygGdkGR6GXneZsk9vjAnS0Ih18ujwz99-0vUGfal7K8z518ZueSeQJL/https%3A%2F > %2Fisolate.menlosecurity.com%2F1%2F3735928037%2Fhttp%3A%2Fdovetail.com > > > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, send > email to [email protected]<mailto:[email protected]> > with the message: INFO IBM-MAIN > ________________________________ > American Express made the following annotations > ________________________________ This e-mail was sent to you by a > representative of Amex Bank of Canada, P.O. 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