Pommier, Rex R. wrote:
That being said, wouldn't it make sense to, at some time around an IPL, POR, or some other situation where either an LPAR or the entire box is down, that while starting up, the z-box could sync it's time to an external source like NTP? Obviously that wouldn't work in a sysplex where everything is attached to each other, but in a stand-alone environment it would make things much easier and we wouldn't have to rely on an operator reading the clock correctly.
I believe that's possible already .. at least on the older HMC/SEs that run OS/2. The HMC gets its time from the SE every evening. But, at POR time, the SE gets its time from the HMC. You can run OS/2-based "time sync" software on the HMC to ensure that it is nearly always correct when a POR occurs. (The only exception being during the window after the HMC resynchronizes to the SE and before the "time sync" software has a chance to correct it.)
This may not be possible on the new Linux-based HMCs since they are a "closed" system. Hopefully, on those systems, STP will solve the problem in a different way...
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