In a message dated 12/17/2009 11:36:29 A.M. Central Standard Time, [email protected] writes:
What sort of microcode fix (if not applied) causes an otherwise working machine to crash? The way this was written kid of negates the 'Mainframes never crash' (from a hardware perspective) idea. >> It's an evolving species! Stuff mutates. Mixed vendor environments are especially challenging. Have to get past the finger pointing and designated blame game to pin it down. The z10 like it's predecessors downloads EC's and fixes as they are discovered and tested. It is designed to do concurrent maintenance on all but the most critical aspects. On the software side SMP/E provides HOLDDATA for EC or hardware related actions. Usually these are level sets for future enhancements or features. It's up to management to schedule service time and provide a testing environment for changes to include staffing and training. ---------------------------------------------------------------------- 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
