powerha6.1支持串口心跳吗？

powerha6.1支持串口心跳吗？
aix6106   clstat不能使用。
# clstat -a
Failed retrieving cluster information.
There are a number of possible causes:
clinfoES or snmpd subsystems are not active.
snmp is unresponsive.
snmp is not configured correctly.
Cluster services are not active on any nodes.
Refer to the HACMP Administration Guide for more information.