[pca] PCA and M5000

[Laurent Blume]

Jeff A. Earickson a écrit :
> My vague memory here is that in Solaris 10, Sun doesn't want people to
> do reboot because a reboot bypasses the setup for Sun Update Manager to
> do its thing when the machine starts coming back up.  "Init 6" does that setup
> during the shutdown (I think).  However, since you are using pca, you *do* want
> to bypass Sun's piece 'o crap code.

It's rather the opposite, actually: when you use reboot/poweroff/halt,
services are NOT stopped via their startup scripts (/etc/rc0.d or SMF),
they're just killed brutally, and they the system is stopped.

BUT I got it from a Sun engineer that SUM still is executed. I never
checked, though.

Anyway, one deserves it to be slapped when using one of those commands :-)
They're dangerous, since many services need a proper stop, and their
repeated use will most certainly cause data corruption there in the long
run.

Note that those commands do have their use, but only in specific cases.

Laurent
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