最終更新：2013年1月7日
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powerd(8) Admin Command powerd(8)
NAME
powerd - LSI power supply monitoring daemon.
SYNOPSIS
powerd [options]
DESCRIPTION
powerd monitors LSI devices that have more than 1 power supply. It will
not run on units with just 1 supply. If a supply fails, several report-
ing mechanisms are available. These include sending email, running a
user-supplied program/script, or modifying the file /etc/power.failure.
Status messages will always be sent to syslog, although the logging
level can be modified.
The startup script /etc/init.d/powerd sets powerd's command line
options from the file /etc/sysconfig/powerd.
OPTIONS
--email[=comma-separated-list-of-recipients]
sendmail must be running for this option to be effective; send-
mail can be started using the chkconfig and service utilities.
If no names are given, then the mail is sent to root@localhost.
Editing the file /etc/aliases can redirect mail from root@local-
host to some other (remote) user. If names are given, there
must be no spaces before or after the equal sign '=', and the
names must be comma separated, and quoted. For example:
--email='aaa@xyz.com,bbb@abc.com,ccc@somwhere.net'
--helper=program-name
When a power event occurs, program-name will be run. Two parame-
ters will be passed to the helper: the first is either Left or
Right, and the second is either failed or restored. This program
is not run as root, but run with as operator (uid of 11) and as
group daemon (gid of 2).
--uid=number
If a helper app. has been selected to run, run it with the user-
id of number. The default uid of 11 (operator) is used is this
option is omitted. The root uid of 0 is not allowed.
--gid=number
Similar to the --uid option, this defines the group-id used for
the helper app. The default gid of 2 (daemon) is used if this
option is omitted. The root gid of 0 is not allowed.
--loglevel n
Change the priority of the messages sent to the system log. The
value can range from 0, the highest level (Emerg), to 7, the
lowest level (Debug). The default level is 2 (Critical). powerd
will always send messages to the system log, this option is only
needed to change the logging priority.
--file | --motd (obsolete)
This option causes powerd to overwrite the file /etc/power.fail-
ure with the current power status. This status line tells which
supply (left or right) either lost power (failed) or had power
restored and when. This is the same format as the message sent
to the system log. Earlier releases of powerd would overwrite
the file /etc/motd. This no longer happens. The option --motd
has been replaced with --file, although the --motd will still
work.
The file /etc/power.failure is deleted whenever powerd is
started or stopped. While it is running, status messages are
appended to the file.
/etc/profile has been modified to print out the contents of
/etc/power.failure if is exists.
-h | --help
Print program usage information message and exit.
-v | --version
Print the program version number and exit.
Example
A sample powerd helper app is /usr/local/sbin/powerd.helper. It will
send a snmp trap when a power event occurs.
FILES
/etc/aliases
/etc/power.failure
/etc/sysconfig/powerd
/proc/lsi_config/power_status
/usr/local/sbin/powerd.helper
BUGS
Please report bugs to support@thinklogical.com.
COPYRIGHT
powerd and its man page are Copyright 2003 Logical Solutions, Inc., and
are licensed under the GNU General Public License (Version 2 or later).
SEE ALSO
aliases(5), chkconfig(8), mail(1), sendmail(1), syslogd(8)
powerd 7 March 2005 powerd(8) |
