solaris 9 runlevels problem

LinuxLover · 02-06-2008, 01:00 PM

Hi,

I am using Solaris9 on x86.

I am getting confused about runlevels behaviour in this.

Under Linux we have differenet runlevel directorires like

/etc/rc2.d/
/etc/rc3.d/
/etc/rc4.d/
/etc/rc5.d/

And when system booted in specific runlevel e.g runlevel 3. only

/etc/rc3.d/ directory scprits affect. It has no concern with other runlevel directories.

But here in solaris my system is in runlevel 3. as showing by command

[/]# who -r
. run-level 3 Feb 6 23:42 3 0 S

Under /etc/rc3.d/ directory have very few scripts.

And services script in /etc/rc2.d/ are also affecting the system although system in in runlevel 3 not in 2?

Why /etc/rc2.d/ script are affecting the sytem on booting ,whereas system is in runlevel 3 not in 2.

jlliagre · 02-06-2008, 02:08 PM

What is run when the O/S enter to a new runlevel is defined in the /etc/inittab file.

Solaris 9 and older, like traditional System V Unix are first switching to runlevel 2 (multi-user) before switching to runlevel 3 (multi-user with file sharing), the reason why you see /etc/rc2.d scripts being run.

Note that the whole run level/rc*.d thing now mostly obsolete with the new Solaris 10 and newer service management facility.