VCS error
HI All ,
I observerd VCS throwing a service group violation error.I just happened to check the logs i found the below messages.I understood why a service group violation wrror comes but not sur...
A failover group is only allowed to run on one system so when VCS detects a resource is running on a second system it reports a concurrency violation and runs the violation trigger - see extract from VCS Admin guide:
violation event trigger
DescriptionThis trigger is invoked only on the system that caused the concurrencyviolation. Specifically, it takes the service group offline on the system wherethe trigger was invoked. Note that this trigger applies to failover groups only.The default trigger takes the service group offline on the system that causedthe concurrency violation.So it is the violation trigger that runs the "hagrp -offline" - see extract from the trigger (in /opt/VRTSvcs/bin/triggers):VCSAG_LOG_MSG ("W", "Offlining group $grp_name on system $system_name", 15034, "$grp_name", "$system_name"); # ABOVE IS THE WARNING MESSAGE YOU SEE AND THEN THE GROUP IS OFFLINED AS BELOW if ( $grp_name eq "ClusterService" ) { `$vcs_home/bin/hagrp -offline -force $grp_name -sys $system_name`; } else { `$vcs_home/bin/hagrp -offline $grp_name -sys $system_name`; }Mike
