From Christopher Reid, received 10/10/01, 12:19 pm +1300 (GMT):
>  <x-flowed>My SIMS 1.8b8d8 server with approx. 6000 accounts running 
> on a Power
>  Macintosh 7300/180, 96 MB RAM, 300 MB free HD space and nothing other
>  than SIMS and Communigate running is crashing randomly.  It had been
>  running perfectly well for the last 12 months.

It's very likely not SIMS that's crashing (in fact I've hardly ever 
known SIMS to crash) but more likely something related to Finder/disk 
activity.

The sort of thing I found that caused apparent SIMS crashes was a 
very large account file (say 20-30MB) which crashed the machine when 
SIMS tried to append yet more mail to it (and consequently kept 
crashing each time mail for that user arrived). It was perhaps caused 
or aggravated by a corrupt directory or disk block which went 
unnoticed when checking with Disk First Aid or DiskWarrior. Perhaps a 
tree segment or disk block of a SIMS account gets corrupted, when 
SIMS goes to open the file to put more mail in it... freeze.

I think a good low-level format of the hard disk will probably cure 
all your problems.

-- 
   Steve Linford
   Ultradesign Xtreme Network
   http://www.uxn.com

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