The same effect can occur when there is a coolant leak in the refrigeration unit, and I know of at least one occurrance of this event. If an audible alarm is appropriate on a Liebert Unit, I think it may be appropriate for a CEC.
On Thu, Dec 4, 2008 at 6:15 PM, Skip Robinson <[EMAIL PROTECTED]>wrote: > We recently had a power problem on our z10. We lost one of three > refrigeration fans. The backup 'wind tunnel' fan came on and kept the > machine running. Because of some communication problem, Support Center was > unable to notify our Operations staff. Of course something flashed on the > HMC, but largely because we have so few mainframe problems compared with > other platforms, no one noticed. There were no alarming messages on the > system console, which they probably would have missed also but which we > could set up alerts for that *would* catch their attention. > > In looking at syslog, I found only this message that hinted at a problem: > > IWM063I WLM POLICY WAS REFRESHED DUE TO A PROCESSOR SPEED CHANGE > > Mildly elevated ambient temperature in the z10 had caused a degradation in > CPU speed. In the short term we can trap the WLM message and create alerts, > but I contend that MVS itself should issue pointed messages for the initial > hardware failure and for any subsequent degradation actions. We should not > for example have to delve into HMC API in order to blow the horn. > > Am I asking too much? > > . > . > JO.Skip Robinson > Southern California Edison Company > Electric Dragon Team Paddler > SHARE MVS Program Co-Manager > 626-302-7535 Office > 323-715-0595 Mobile > [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 > -- Glen J. Gasior (630) 712-2104 Chicago, Illinois 60611 "Leadership that improves the process of change" ---------------------------------------------------------------------- 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
