[email protected] (John Eells) writes: > We prefer the phrase "bullet resistant." ;-) (Sorry, I couldn't resist.)
misc. past posts mentioning getting to play disk enginneer in bldg. 14 & 15 http://www.garlic.com/~lynn/subtopic.html#disk we i 1st started playing they had all these "test cells" (engineering devices under development) ... that they had big switch which interconnected test cells and some number of mainframes. testing was "stand alone" with dedicated mainframe machine time scheduled. they had tried concurrent testing in mvs environment ... but even with a single connected "test cell", MVS mtbf was 15 minutes (crash or hang requiring reboot). so for the heck of it, i undertook to rewrite i/o supervisor to make it bullet proof and never fail or hang ... allowing significant improvement in productivity by allowing concurrent, on-demand testing with any number of "test cells". i happened to mention the mvs 15min mtbf number in an internal report ... which seemed to bring down the wrath of the mvs organization on my head. later when we were doing ha/cmp product ... misc. past posts http://www.garlic.com/~lynn/subtopic.html#hacmp i was asked to write a section in the corporate continuous availability strategy document ... unforunately, both rochester and pok complained (that they couldn't then match the implementation) and my section got pulled. i had also coined the terms "disaster survivable" and "geographic survivable" (to differentiate from disaster/recovery) when we were out marketing ... misc. past posts http://www.garlic.com/~lynn/submain.html#available -- 40+yrs virtualization experience (since Jan68), online at home since Mar1970 ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html
