Date: Thu, 21 Oct 1999 13:34:04 -0700 (PDT) From: Doug Barton <Doug@gorean.org> To: Graeme Tait <graeme@echidna.com> Cc: freebsd-questions@freebsd.org Subject: Re: Cron and daylight savings Message-ID: <Pine.BSF.4.10.9910211331570.51282-100000@dt050n71.san.rr.com> In-Reply-To: <380F0317.5C1E3A3@echidna.com>
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On Thu, 21 Oct 1999, Graeme Tait wrote:
> What happens if my machine is running local time with daylight savings
> adjustments, and I schedule jobs between 2 and 3 am (or whenever the
> transitions occurs)?
>
> Do they get skipped in the daylight savings transition in Spring and run
> twice in the Fall?
Yes, Sheldon pointed you to the correct info on that.
> I looked in the handbook and mailing list archives, but found nothing
> except for a couple of posts in 1995, with the statement that this issue
> was under discussion.
I'm not sure where you searched (what mailing lists) but there
were many many posts about this in the past. Try searching -hackers.
> I notice that /etc/crontab schedules daily maintenance for 2 am. The
> issue raised in the 1995 post was that these activites were skipped in
> the April forward clock adjustment.
One of the things implemented recently was to change that time to
1:59am, which works in the vast majority of cases. You should probably
take a look at upgrading your system to a recent -Stable release.
good luck,
Doug
--
"Stop it, I'm gettin' misty."
- Mel Gibson as Porter, "Payback"
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