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Startup and shutdown a server

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Operating Systems Solaris Startup and shutdown a server
# 1  
Old 12-01-2009
Startup and shutdown a server
Are rc scripts executed serially or all at the same time. Is there a way to see this happen? A log file or the syslogd?

This is Solaris 10.
# 2  
Old 12-01-2009
rc scripts are only for compatibility. solaris 10 uses the smf (service management facility) to start, stop and mange services. on older solaris versions the rc scripts are startet seriell S10... -> S11... and so on.
# 3  
Old 12-02-2009
Quote:
Originally Posted by djehresmann
Are rc scripts executed serially or all at the same time.
RC scripts are launched serially but those staying alive (the daemons launched) are eventually running in parallel. SMF services on the other hand are launched in parallel as soon as dependencies are met.
Quote:
Is there a way to see this happen?
Rc scripts are launched by shell scripts (eg: /etc/rc3). You can easily instrument them by adding custom log commands (eg: "set -x", "echo $f" in the for loop). SMF methods launch can be displayed by adding the "-m verbose" flag to the boot command. You can also use dtrace if you are looking for detailed timings:
Minimal Solaris: Boot chart with help of DTrace and Python
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