On Tue, 1 May 2007 17:36:34 -0500, Mark Steely <[EMAIL PROTECTED]> wrote:
>For question 1 this is IBM recommendation: > >CLASSDEF CLASS(LARGE) CLASSLEN(16316) GROUP(UNDESIG) >CLASSDEF CLASS(DEFAULT) CLASSLEN(956) GROUP(UNDESIG) > >LOCALMSG MAXMSG(2000) CLASS(DEFAULT) > >Thank You That's only part of the answer. Search http://www.ibm.com/support/techdocs for Parallel Sysplex Performance: XCF Performance Considerations Mark -- Mark Zelden Sr. Software and Systems Architect - z/OS Team Lead Zurich North America / Farmers Insurance Group: G-ITO mailto:[EMAIL PROTECTED] z/OS and OS390 expert at http://searchDataCenter.com/ateExperts/ Systems Programming expert at http://expertanswercenter.techtarget.com/ Mark's MVS Utilities: http://home.flash.net/~mzelden/mvsutil.html >-----Original Message----- >From: IBM Mainframe Discussion List [mailto:[EMAIL PROTECTED] On >Behalf Of Anthony Fletcher >Sent: Tuesday, May 01, 2007 5:25 PM >To: [email protected] >Subject: z/OS Health Check XCF exceptions > >The z/OS 1.7 Health Checker is reporting two XCF settings to be >corrected: >1. The recommendation to have two TRANSPORT classes with different >message lengths defined. How can suitable mesage lengths be defined? > >2. The recommendation for the XCF_FDI (INTERVAL) is based on the SPIN >settings, and the calculated default is 85. The actual setting is 180 >which is there because of a common belief that at some stage IBM >recommended the value of 180 rather than letting the system default. >Does anyone remember this recommendation of 180 being made, and why, >and/or whether there is a more current recommendation, eg use the >defaults that come with the system. > >---------------------------------------------------------------------- >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 ---------------------------------------------------------------------- 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

