From owner-freebsd-questions Thu Oct 21 13:34: 9 1999 Delivered-To: freebsd-questions@freebsd.org Received: from dt050n71.san.rr.com (dt050n71.san.rr.com [204.210.31.113]) by hub.freebsd.org (Postfix) with ESMTP id 7338514D2F for ; Thu, 21 Oct 1999 13:34:07 -0700 (PDT) (envelope-from Doug@gorean.org) Received: from gateway.gorean.org (gateway.gorean.org [10.0.0.1]) by dt050n71.san.rr.com (8.9.3/8.8.8) with ESMTP id NAA51334; Thu, 21 Oct 1999 13:34:05 -0700 (PDT) (envelope-from Doug@gorean.org) Date: Thu, 21 Oct 1999 13:34:04 -0700 (PDT) From: Doug Barton X-Sender: doug@dt050n71.san.rr.com To: Graeme Tait Cc: freebsd-questions@freebsd.org Subject: Re: Cron and daylight savings In-Reply-To: <380F0317.5C1E3A3@echidna.com> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG 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" To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message