On Fri, Apr 23, 2004 at 03:16:00PM -0400, Javier Gostling wrote: > On Fri, Apr 23, 2004 at 12:03:16PM -0700, Chris W. Parker wrote: > > my question is: why are they not starting at 12am and how can i adjust > > this? > > The reason is quite simply Daylight Saving Time. If you rotate at midnight, > as someone where I work decided before I came in, you face the following > issues when time changes: > > 1. When skipping from 00:00 to 01:00, if cron doesn't wake before the clock > shift, the log rotation will not occur. > > 2. When skipping back from 00:00 to 23:00, if cron wakes before the clock > shift, the log will be rotated twice. > > I have seen both issues happen. To avoid both problems, rotate after 01:00 > and before 23:00. I don't know where you live, but in Canada and the US, the shift to/from Daylight Savings Time occurs at 2am.i Avoid cron jobs between 2am and 3am. -- Ed Wilts, Mounds View, MN, USA mailto:ewilts@xxxxxxxxxx Member #1, Red Hat Community Ambassador Program -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe https://www.redhat.com/mailman/listinfo/redhat-list
