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Date:      Sun, 4 Apr 1999 14:29:50 -0400 (EDT)
From:      <scottd@cloud9.net>
To:        FreeBSD-gnats-submit@freebsd.org
Subject:   conf/10947: Problems entering daylight time
Message-ID:  <199904041829.OAA29881@earl-grey.cloud9.net>

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>Number:         10947
>Category:       conf
>Synopsis:       Entering daylight time at 2am loses /etc/daily (or other 2am jobs)
>Confidential:   no
>Severity:       serious
>Priority:       low
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Sun Apr  4 11:30:01 PDT 1999
>Closed-Date:
>Last-Modified:
>Originator:     Scott Drassinower
>Release:        FreeBSD 2.2.7-STABLE i386
>Organization:
Cloud 9 Consulting, Inc.
>Environment:

2.2.7-STABLE, also 3.1-RELEASE

>Description:

Daylight time (at least in the US) begins at 2am.  By default, /etc/daily runs
at 2am, so when the clock changes from 01:59 to 03:00, any cron jobs set to 
run at the 2am hour will get skipped.  Every n minute jobs get skipped also, 
but that isn't as bad as having something that specifically runs at the 2am
hour getting lost.

I wonder how cron acts when we get the hour back in the fall.

>How-To-Repeat:

Install FreeBSD 2.2.7 or 3.1, wait for daylight time to begin, and see that
/etc/daily or anything else that you have running between 02:00 and 02:59
on that day will not run.

>Fix:
	
Do not run things at 2am, and include a little note in the crontab file about
this.  It may not be a good idea to have cron go and rerun 02:00 to 02:59 
missed jobs. 


>Release-Note:
>Audit-Trail:
>Unformatted:


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