31663c66__or_dynamic_tunable_parameters__Description_and_command
[GAB parameter] Missed heartbeat halt [Description and command] 
Default: Disabled If this option is enabled then the system will panic on missing the first heartbeat from the VCS engine or the vxconfigd daemon in a CVM environment. The default option is to disable the immediate panic. This GAB option controls whether GAB can panic the node or not when the VCS engine or the vxconfigd daemon miss to heartbeat with GAB. If the VCS engine experiences a hang and is unable to heartbeat with GAB, then GAB will NOT PANIC the system immediately. GAB will first try to abort the process by sending SIGABRT (kill_ntries - default value 5 times) times after an interval of "iofence_timeout" (default value 15 seconds). If this fails, then GAB will wait for the "isolate timeout" period which is controlled by a global tunable called isolate_time (default value 2 minutes). If the process is still alive, then GAB will PANIC the system. If this option is enabled GAB will immediately HALT the system in case of missed heartbeat from client. Use the following command to enable system halt when process heartbeat fails: gabconfig -b Use the following command to disable system halt when process heartbeat fails: gabconfig -B
About GAB run-time or dynamic tunable parameters
Description and command