Date: Mon, 8 Apr 2002 19:37:00 +0200 From: Gerhard Sittig <Gerhard.Sittig@gmx.net> To: stable@FreeBSD.ORG Subject: Re: DST vs. Cron = Burp Message-ID: <20020408193700.M1494@shell.gsinet.sittig.org> In-Reply-To: <20020407151040.R70207@blossom.cjclark.org>; from crist.clark@attbi.com on Sun, Apr 07, 2002 at 03:10:40PM -0700 References: <GMEPIEKGGLEANOLIHBEKMEHMCAAA.allbery@ece.cmu.edu> <auto-000033906791@dc-mx03.cluster1.charter.net> <20020407131703.Q70207@blossom.cjclark.org> <auto-000036436292@dc-mx04.cluster1.charter.net> <20020407151040.R70207@blossom.cjclark.org>
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On Sun, Apr 07, 2002 at 15:10 -0700, Crist J. Clark wrote:
>
> But the moral of the story is don't do cron jobs on Sunday mornings
> between 0100 and 0300. In the fall, jobs between 0100 and 0200 get run
> twice, and in the spring, jobs between 0200 and 0300 never get run.
FreeBSD's cron(8) was taught about DST changes more than one year
ago (look at the -s and -o options). I understand that this was
a reaction to the fact that this very discussion bubbles up twice
a year.
PR bin/24485 tries to summarize a thread which took place in some
FreeBSD mailing list (and to provide a place to point to should
one more user come and ask around DST change time). While
porting over OpenBSD's code - which explicitely claimed to handle
DST - didn't help, Sergey Babkin's commits addressed the DST
"problem".
Since I was merely annoyed by the ever popping up discussion I
thought I could contribute or help by porting OpenBSD's code to
FreeBSD. But since this was not a solution and I had no real
need for a DST handling cron(8) I quickly got sidetracked. Those
of you who want the cron daemon to handle DST "transparently"
should try the above mentioned options and report back on
successes or failures (the default behaviour is the traditional
one).
virtually yours 82D1 9B9C 01DC 4FB4 D7B4 61BE 3F49 4F77 72DE DA76
Gerhard Sittig true | mail -s "get gpg key" Gerhard.Sittig@gmx.net
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