Johannes Konert schrieb: > ....and time goes by, because everything seem to work just fine. One should never rely on something seeming to be any kind of anything. There are ways to _know_ things are right. Like using nagios to check every vital sign state of your systems. That should include checking system time against official time servers. But I also agree that if there is a possibility that times differ (and there of course is) the question is not if it can happen but when. Everything that can go wrong will go wrong - whatever you do to prevent things. Thats Finagle's law and its not proofed wrong yet. So your solution has to consider that. Therefore I disagree Greg in relying only on the system base. There have to be mechanisms which use reliable information that behave in only _one_ well known way (such as monotone increasing serial numbers) or the system will break. Regards, Frank Wittig
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