Groupings and Basic Descriptions of LifeKeeper bin Commands
The commands will be in: /opt/LifeKeeper/bin
To place this in your path, execute: ‘. /etc/default/LifeKeeper’
Starting and Stopping LifeKeeper, the GUI, etc.
lkstart – Start LifeKeeper core
Options:
None
lkstop – Stop LifeKeeper core. The behavior differs depending on the command line options.
Options:
None – Stop LifeKeeper Core and the protected services. No switchover to the standby system is performed regardless of the shutdown strategy setting.
-r – Leave auto-start on system startup enabled.
-n – Stop LifeKeeper Core and the protected services. If the shutdown strategy is set to “Switchover Resources”, the system will be switched over to the standby system. Also, if LKSTOP_FAILOVER_N=1 is set in /etc/default/LifeKeeper, failover will occur regardless of the shutdown strategy setting.
-f – Stop LifeKeeper core but do not stop the protected resources.
-i – Stop LifeKeeper core but do not stop the protected resources. The user is prompted to confirm (yes/no) that they want to continue.
lkGUIserver – Start and stop the LifeKeeper GUI daemon processes
Options:
start
stop
restart
lkGUIapp – Starts the LifeKeeper Java application
Options:
None
Monitoring LK and Other Misc. LifeKeeper Commands
lcdstatus – Display status of LifeKeeper resources, comm paths, etc.
Options:
-d – <node to run command on>
-q – short reports
lcdsync – Writes LifeKeeper configuration information from memory to disk
Options:
-d – <other node to run it on>
lcdrcp – Transfer files from one LifeKeeper node to another via the comm. path
Options:
lcdrcp <file names> {dest:ofile | dest:odir}
lcdremexec – Execute the given command on the given LifeKeeper node
Options:
-d <node to run command on> <command>
lcdrecover – Checks and sets the resource hierarchy instance status.
Options:
See man -M /opt/LifeKeeper/man lcdrecover.
Bringing a Hierarchy into and out of Service
perform_action – Performs a given action on a given resource and can be used to switch a given hierarchy to another node.
Options:
-a <action name>
-t <tag name>
Examples:
perform_action -a restore -t $LKTag – bring tier into service
perform_action -a remove -t $LKTag – take tier out of service
Checking the LifeKeeper Configuration
lkchkconf : Performs the following checks to verify /etc/default/LifeKeeper settings.
- Checks that the running system is actually using the current settings found in /etc/default/LifeKeeper.
If the current setting of LifeKeeper is different from the /etc/default/LifeKeeper setting, an error message is output to inform the user.
- Checks for any inconsistencies between the resource health check time interval(LKCHECKINTERVAL) and the timeout value of each ARK.
An error message will be logged if the timeout value of each ARK is longer than the resource health check time interval (LKCHECKINTERVAL).
Options: – None
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