Configuring system hang detection

You can manage the system hang detection configuration from the SMIT management tool.

SMIT menu options allow you to enable or disable the detection mechanism, display the current state of the feature, and change or show the current configuration. The fast paths for system hang detection menus are:
smit shd
Manage System Hang Detection
smit shstatus
System Hang Detection Status
smit shpriocfg
Change/Show Characteristics of Priority Problem Detection
smit shreset
Restore Default Priority Problem Configuration
smit shliocfg
Change/Show Characteristics of Lost I/O Detection
smit shlioreset
Restore Default Lost I/O Detection Configuration

You can also manage system hang detection using the shconf command.