> -----Original Message----- > From: IBM Mainframe Discussion List [mailto:[email protected]] On > Behalf Of Ted MacNEIL > Sent: Friday, November 19, 2010 9:14 AM > To: [email protected] > Subject: Re: SI and MI MIPS > > >So if management asks for a recommendation about migrating to a new > mainframe to handle current workload, what numbers do mean something? > > I don't know how to compress almost 30 years of experience in > Capacity/Configuration/Performance Management into a single reply. > > But, it is a basic understanding of what your workload is, how the > various components interact, seasonality, tracking, constant revision > of forecasts, analysis of announcements, LSPR, zPCR, understanding of > the relationships between existing models within and without the same > processor family, along with experience and gut instinct, among other > things. > > Also, you should have the answer ready before the question is asked.
Continuing Friday discussion. The Revenue forecaster for Washington has likened "forecasting" as "driving forward while looking in the rearview mirror". If you've never been where you are going, it's hard to navigate the rocks and shoals. Dave Gibney Information Technology Services Washington State University > > > - > Ted MacNEIL > [email protected] > > ---------------------------------------------------------------------- > 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 ---------------------------------------------------------------------- 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
