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 Best rules of thumb?
What are five best rules of thumb when reviewing output from system monitors for preventing future problems. The system monitors could be any SMF/RMF MICS TSO/MON MXG OMEGAMON system monitor type report for reporting on the mainframe. Example might be 1. sustained CPU utilization over 85% 2. Long I/O ques 3. large variation in on-line response time from off to prime shift . . .ect . . . 4. any utilization reaching 100% just before response times start growing 5. an under paid over worked system administrator with a tooth ach? what do you think?

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ASKED: November 1, 2004  5:39 PM
UPDATED: August 6, 2009  7:39 PM

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1. Murphy is alive and well and following you 2. What seems unrelated probably is related. 3. Change ONLY one variable at a time, unless unrelated. See #2 4. Do not charge down the path before thinking your assumption through
Last Wiki Answer Submitted:  November 5, 2004  12:43 pm  by  ArrghOff2Pillage   0 pts.
All Answer Wiki Contributors:  ArrghOff2Pillage   0 pts.
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