Bad interaction in MacOS X

[Henry B. Hotz]

Running arla ...pre2 seems to conflict with the software update 
process.  The "optimizing" step hangs about 1/3 through unless I 
reboot without arla.

Notes:  I also shut off classic.  I had the root account enabled, but 
was not running the update from there.  (Would that fix the problem?) 
I had the same problem when the update was downloaded with a web 
browser and run directly in the installer.

I can live with this quirk, but it should be published so other 
people don't get bitten by it.  Also note that the 10.0.2 package 
*did* install, it was the (probably useful) optimization step that 
failed.

I should also say that this is the only problem I have observed with 
arla on MacOS X so far.  Massive find/grep's of the archived DS1 
spacecraft commands run a lot faster than they do on the Sun 
Ultra-1's the project is otherwise using.

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h.b.hotz at jpl.nasa.gov, or hbhotz at oxy.edu