Mailinglist Archive: opensuse (3351 mails)
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Re: [opensuse] Time stability
- From: Tom Patton <thpnalb@xxxxxxxxxxxxx>
- Date: Mon, 19 Mar 2007 08:08:31 -0600
- Message-id: <1174313311.26391.3.camel@xxxxxxxxxxx>
On Mon, 2007-03-19 at 08:17 +0100, Roger Oberholtzer wrote:
> No offence taken. Not a design oversight. Systems evolve over time. New
> things get added that need to be integrated. It would be great if one
> could retro-design existing hardware based on new requirements. In fact
> we have two independent time sync methods. One is based on our own
> hardware. We are trying to move away from that as we move to a COTS
> solution. Or, at least, 95% COTS. There are few solutions for this that
> do not simply change the problem to a different one. We are trying to
> keep problems limited to those we understand and can explain, it not
> actually solve.
>
> Also, the original question I had was not so much about not being able
> to sync. It was that it makes quality control ever so much more reliable
> when dates on files somewhat (within some minutes of tolerance) match
> the real time. The sync/accuracy thing was also an aside. We just want
> the damned PC clock not to change random amounts at reboot.
Well, I hope "man hwclock" and the other links lead you to the problem.
Thanks for bringing it up, BTW. This pc seldom gets re-booted, other
than kernel updates. I haven't set the time since installing 10.2, and
"hwclock --show" indicates I have a 40 second drift in the past 6 days.
Guess I'll spend the next few days "walking" the correction factor into
range.
Good luck to you!
Tom in NM
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> No offence taken. Not a design oversight. Systems evolve over time. New
> things get added that need to be integrated. It would be great if one
> could retro-design existing hardware based on new requirements. In fact
> we have two independent time sync methods. One is based on our own
> hardware. We are trying to move away from that as we move to a COTS
> solution. Or, at least, 95% COTS. There are few solutions for this that
> do not simply change the problem to a different one. We are trying to
> keep problems limited to those we understand and can explain, it not
> actually solve.
>
> Also, the original question I had was not so much about not being able
> to sync. It was that it makes quality control ever so much more reliable
> when dates on files somewhat (within some minutes of tolerance) match
> the real time. The sync/accuracy thing was also an aside. We just want
> the damned PC clock not to change random amounts at reboot.
Well, I hope "man hwclock" and the other links lead you to the problem.
Thanks for bringing it up, BTW. This pc seldom gets re-booted, other
than kernel updates. I haven't set the time since installing 10.2, and
"hwclock --show" indicates I have a 40 second drift in the past 6 days.
Guess I'll spend the next few days "walking" the correction factor into
range.
Good luck to you!
Tom in NM
--
To unsubscribe, e-mail: opensuse+unsubscribe@xxxxxxxxxxxx
For additional commands, e-mail: opensuse+help@xxxxxxxxxxxx
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