On Thu, 11 Oct 2007 08:57:45 -0500, Mark Zelden <[EMAIL PROTECTED]> wrote: > >Bottom line... if it works and performance is acceptable, it's ok. If you >have a z9 with 2 processors and have 5 LPARs all with 2 LPs, >(5:1 ratio), whats the harm if the box never hits capacity (some people >are not comfortable defining an LPAR with only 1 CP).
Yes. OTOH, if you have 10 processors, you might get better results if you don't define all ten to all five LPARs. Maybe not even define all ten to any of them. Reducing the ratio will reduce PR/SM overhead. If two of those LPARs are very busy production LPARs with roughly equal workloads, you might define them both with six LPs. More important than ROTs is the old tuning procedure: Measure, change, measure. -- Tom Marchant ---------------------------------------------------------------------- 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
