Shutdown to a Halt and restart Post: 302432511

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Homework and Emergencies Emergency UNIX and Linux Support Shutdown to a Halt and restart Post 302432511 by methyl on Friday 25th of June 2010 07:06:58 AM

06-25-2010

Registered User

If this is a cluster or there are NFS mounts you will need special instructions to shut down in a sensible manner. These instructions may or may not include a "shutdown" command.

You will need to know more about you "special login thru a console" and what piece of hardware you are connected to and how to toggle between console and server remote management. Is it an iLO (Integrated Lights-Out) or a MP (Management Processor) or a Web Console? We assume it is not just a telnet session.

The unix "shutdown" command just shuts down the Operating System and halts the processor. It does not turn the power off. Most remote power controls only control the system unit not any add-on hardware such as disc arrays.

Beware that unix "shutdown" does not shut down databases etc. unless "rc" scripts have been installed to achieve this.

If you are in a hurryand you have already closed all applications and client connection, this method answers any prompts:

Code:

cd /;/sbin/shutdown -h -y now

methyl

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LEARN ABOUT OSX

powerd

powerd(1M)																powerd(1M)

NAME

       powerd - power manager daemon

SYNOPSIS

       /usr/lib/power/powerd [-n]

       The powerd daemon is started by pmconfig(1M) to monitor system activity and perform an automatic shutdown using the suspend-resume feature.
       When the system is suspended, complete current state is saved on the disk before power is removed.  On  reboot,	the  system  automatically
       starts a resume operation and the system is restored to the same state it was in immediately prior to suspend.

       Immediately prior to system shutdown, the daemon notifies syslogd(1M) of the shutdown, which broadcasts a notification.

       The following option is supported:

       -n	No broadcast mode. The daemon silently shuts down the system without notifying syslogd(1M).

       /etc/power.conf	       Power Management configuration information file

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWpmu			   |
       +-----------------------------+-----------------------------+
       |Interface Stability	     |Unstable			   |
       +-----------------------------+-----------------------------+

       pmconfig(1M), dtpower(1M), syslogd(1M), power.conf(4), attributes(5), cpr(7), pm(7D)

       Using Power Management

								    15 Oct 1999 							powerd(1M)