I note that the zSeries clock is (800, 900, even 9672s) is awfully accurate compared to even the newest PCs. (Have not compared it to Sun or HP mid-range hardware.) I'm talking about watching the drift file NTPD maintains. It goes below 1.000 on the mainframe. Not seen that elsewhere.
I mention this because you *might* get some relief if you synch the time on your "support element" and then POR. Linux guests can run NTPD and stay locked in synch with the network. Other zSeries hosts will be off, but by a surprisingly small amount. Would that be enough for your Java guys? -- R;
