- Ted MacNEIL [email protected] Twitter: @TedMacNEIL -----Original Message----- From: "Don Williams" <[email protected]> Date: Thu, 21 Mar 2013 00:18:10 To: <[email protected]> Reply-To: <[email protected]> Subject: RE: Query for Destination z article -- mainframes back to the future
Great point. > -----Original Message----- > From: [email protected] [mailto:[email protected]] > Sent: Wednesday, March 20, 2013 8:52 PM > To: [email protected] > Subject: Re: Query for Destination z article -- mainframes back to the future > > #0. Always test the vendor's code without modification, if at all possible. > - > Ted MacNEIL > [email protected] > Twitter: @TedMacNEIL > > -----Original Message----- > From: Don Williams <[email protected]> > Sender: The IBM z/VM Operating System > <[email protected]> > Date: Wed, 20 Mar 2013 08:24:20 > To: <[email protected]> > Reply-To: [email protected] > Subject: Re: Query for Destination z article -- mainframes back to the future > > Maintenance Rules > 1. Never change anything the vendor sends to you. Change a copy. > 2. Keep your stuff separate from the vendor's > 3. Never expect it to work > 4. Always leave tracks > 5. Back it up > 6. Back it up again using a different utility > 7. Don't trust the backup utilities, test them before you depend on them > 8. Plan on having to back out > 9. Change only one thing at a time > > > -----Original Message----- > > From: The IBM z/VM Operating System > > [mailto:[email protected]] On Behalf Of Gabe Goldberg > > Sent: Wednesday, March 13, 2013 9:47 AM > > To: [email protected] > > Subject: Query for Destination z article -- mainframes back to the future > > > > I'm writing about "Back to the Future" for mainframers -- historic (but > > sometimes forgotten) mainframe lessons needed by and best-to-be > learned > > by new mainframers (but everyone, really). > > > > This includes favorite techniques, conventional wisdom and common > > knowledge so obvious that they risk not being recognized and passed on, > > eternal truths that keep being rediscovered, etc. Most useful are broad > > principles rather than specific and maybe-ephemeral how-to or fix-this > tips. > > > > It will be the usual relatively short article, so brief is best. And > > please copy replies to me so I don't miss them in list digests. > > > > Thanks for helping... > > > > -- > > Gabriel Goldberg, Computers and Publishing, Inc. [email protected] > > 3401 Silver Maple Place, Falls Church, VA 22042 (703) 204-0433 > > LinkedIn: http://www.linkedin.com/in/gabegold Twitter: GabeG0 ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
