Paul Gilmartin wrote:
What are the z/Series using as a time reference? Is it possible for one
z/Series to use the SNTP daemon on another z/Series system as a reference?
Options (I think they were mostly OEM) have existed for some time to
connect a Sysplex Timer with an ETR such as a receiver for a Radio
transmitter like the German DCF77 or a GPS receiver. To my knowledge,
there hasn't been much customer interest in these devices.
Using SNTP to get the time might be easier but it is, I think,
understandable that installations are careful about connecting a Sysplex
Timer to the Internet.
The problem of adjusting the time base of a sysplex is quite complex.
Increments have to be chosen very carefully and simply setting the time
back is out of the question.
--
Ulrich Boche
SVA GmbH, Germany
IBM Premier Business Partner
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