-----Original Message----- From: Christopher J. Devous <email@example.com> To: 'MIDRANGE-L@midrange.com' <MIDRANGE-L@midrange.com> Date: Wednesday, October 27, 1999 2:13 PM Subject: RE: SYSTEM TUNING >> Probably take much longer to do any REAL tuning. Need to monitor system >over >> time and evaluate that. Need to understand application mix and usage over >> time and evaluate that. Need to understand hardware and limitations. Need >to >> understand user expectations and manage them. Need to understand >management >> expectations and either manage that or get them to ante-up. > >All of the above is true. > >On our 9406-510, I found the autotuner to be essentially worthless. We had >to monitor the various stats and make adjustments over time, as you >suggest. The situation on the 310 was the same. > Yes, and Version 3 of the tuner was so-so. On large machines with big mixes, it did not work well. >Then we migrated to the 9406-720. My IBM var told me that autotuner worked >well, so I turned it on. > >It has worked so well that I've set virtually everything to *CALC and >simply let the system mangage itself > And with Version 4 (V4R2 and up) the tuner is really something useful. +--- | This is the Midrange System Mailing List! | To submit a new message, send your mail to MIDRANGE-L@midrange.com. | To subscribe to this list send email to MIDRANGE-L-SUB@midrange.com. | To unsubscribe from this list send email to MIDRANGE-L-UNSUB@midrange.com. | Questions should be directed to the list owner/operator: firstname.lastname@example.org +---
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