The following message is a courtesy copy of an article that has been posted to bit.listserv.ibm-main,alt.folklore.computers as well.
Anne & Lynn Wheeler <[email protected]> writes: > for random other drift ... recent posts about old Jim Gray paper that > by early 80s, majority of outages had shifted from hardware faults to > other things > http://www.garlic.com/~lynn/2009.html#5 Is SUN going to become x86'ed ?? > http://www.garlic.com/~lynn/2009.html#39 repeat after me: RAID != backup > http://www.garlic.com/~lynn/2009.html#47 repeat after me: RAID != backu > > including scan of old copy of a version of presentation that I had > laying around ... and put up on the web: > http://www.garlic.com/~lynn/grayft84.pdf re: http://www.garlic.com/~lynn/2009q.html#26 Check out Computer glitch to cause flight delays across U.S. - MarketWatch when I was out marketing ha/cmp, http://www.garlic.com/~lynn/subtopic.html#hacmp I coined the terms "disaster survivability" and "geographic surviability" http://www.garlic.com/~lynn/submain.html#available and I got asked to write a section in the corporate continuous availability strategy document ... but it got pulled because both rochester & pok objected (because at the time, they couldn't meet the requirements). after we left, we spent some time with large national financial network. they claimed 100% availability for extended number of years was because of 1) ims hot-standby 2) automated operator ... the ims hot-standby involved machines separated by geographic distances (failures had shifted primarily to human mistakes and local environmental conditions). some of this was back to when my wife had been con'ed into doing a stint in POK responsible for loosely-coupled architecture ... where she created "peer-coupled shared data" architecture http://www.garlic.com/~lynn/submain.html#shareddata ... which, except for ims hot-standby ... saw very little uptake until sysplex. that and the battles with the communication group oper whether SNA had to be used for loosely-coupled coordination, resulted in her not staying long in the position. -- 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

