[G4] MDD - Disc space issues

[Harry Freeman]

If you would like to reschedule the CRON activities see:
http://www.macosxhints.com/article.php?story=2001020700163714
As you can schedule the CRON activities for any time of the day, you  
don't have to be locked into the 3A.M. standard time frame.
----------------------------------------------------
On Mar 27, 2008, at 1:27 PM, Robert A. Rosenberg wrote:

> At 11:09 -0700 on 03/22/2008, Ronald Steinke wrote about Re: [G4]  
> MDD - Disc space issues:
>
>> I personally prefer Onyx to perform the daily, weekly, and monthly  
>> maintenance programs. Cocktail is another program that will handle  
>> those chores. Download and use whichever one you chose and use it  
>> regularly for keeping your temp files under control.
>
> Part of the problem that needs Cocktail or Onyx is that this  
> function (ie: running the daily, weekly, and monthly maintenance  
> programs) is supposed to be being done automatically by CRON but  
> CRON is designed for a 24/7 environment where the machine is running  
> at 3AM (when these tasks are by default scheduled). If for any  
> reason (such as the computer being powered off) CRON is unable to  
> issue the command at the designated time, it forgets about issuing  
> it when it can and just tries (and fails since it is not running) to  
> issue it the next time the designated "issue at" criteria is met. A  
> better design is to track if the command was issued and, if not,  
> issue it when you get re-launched at boot-time. While there are some  
> so-called CRON replacements, all that I have seen do not have CRON's  
> ability to designate when during the day (and how often) the command  
> is to be issued but only will fire off the command at Midnight or as  
> soon after Midnight as the computer is powered on and running. I  
> come from a IBM Mainframe background and Scheduling Programs (which  
> is all CRON is) there track when a command is to be issued or a  
> program run and if this can not be done at the designated time (due  
> to the Scheduling Program not being active), this failure is noted  
> and the event is done as soon as the Scheduling Program is re- 
> launched.
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