From owner-freebsd-questions Tue Apr 4 01:01:35 1995 Return-Path: questions-owner Received: (from majordom@localhost) by freefall.cdrom.com (8.6.10/8.6.6) id BAA06297 for questions-outgoing; Tue, 4 Apr 1995 01:01:35 -0700 Received: from mpp.com (dialup-3-171.gw.umn.edu [134.84.101.171]) by freefall.cdrom.com (8.6.10/8.6.6) with ESMTP id BAA06291 for ; Tue, 4 Apr 1995 01:01:30 -0700 Received: (from mpp@localhost) by mpp.com (8.6.11/8.6.9) id CAA07834; Tue, 4 Apr 1995 02:28:45 -0500 From: Mike Pritchard Message-Id: <199504040728.CAA07834@mpp.com> Subject: Re: cron skipped jobs during ST->DST change To: paul@isl.cf.ac.uk (Paul Richards) Date: Tue, 4 Apr 1995 02:28:45 -0500 (CDT) Cc: ghelmer@alpha.dsu.edu, freebsd-questions@FreeBSD.org In-Reply-To: <199504031700.SAA13590@isl.cf.ac.uk> from "Paul Richards" at Apr 3, 95 06:00:04 pm X-Mailer: ELM [version 2.4 PL24] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Content-Length: 1136 Sender: questions-owner@FreeBSD.org Precedence: bulk > In reply to Guy Helmer who said > > > > If cron hasn't been changed/fixed since 1.1.5, can we adjust the execution > > time for /etc/daily in the default /etc/crontab to be earlier than 2:00am > > (say, around 0:59am)? Or, perhaps this is "locale-specific" and we system > > admins should know better than to leave cron jobs up to chance during time > > changes; if this is the case, however, it would be nice to have a warning > > in the crontab(5) man page... > > This is currently being discussed in the BSDI lists and the solution that > struck me as sensible is to be able to specify that a cron job is executed > at UST rather than local time. That'll guarantee it always gets run. There's > also a problem when DST goes the other way in that the jobs get run twice. > -- > Paul Richards, FreeBSD core team member. I've used systems in the past that got this all right. During either time change, every scheduled cron job was run once and only once as long as cron remained running during that magic hour. -- Mike Pritchard pritc003@maroon.tc.umn.edu "Go that way. Really fast. If something gets in your way, turn"