HP Insight Management Agents for Linux - Installation Guide and Release Notes - HP Integrity Servers with Linux (March 2010)

Configuring Polling Intervals
You can configure the HP Insight Management Agents polling intervals to accommodate your
data collection needs. However, HP recommends that you use the default polling intervals unless
you are performance tuning your system.
You can list the process status table for all of the agents delivered with HP Insight Management
Agent using the following command:
# /etc/init.d/hpima status
hpimaX (pid 29032) is running...
hpimahostd (pid 29547) is running...
hpimathreshd (pid 29557) is running...
hpimahealthd (pid 29570) is running...
hpimastdeqd (pid 29580) is running...
hpimaeventd (pid 29590) is running...
hpimaidad (pid 29608) is running...
hpimasasd (pid 29619) is running...
hpimascsid (pid 29631) is running...
hpimafcad (pid 29643) is running...
hpimanicd (pid 29661) is running...
hpimaE0traps (pid 29675) is running...
The list contains the process name, the ProcessID (PID) allocated for each process, and the process
status. Depending on what hardware is present on a system, agents start and stop to monitor
the health and inventory of that hardware then report and alert as to the condition of the system
through SNMP traps. Many of these agents are running unique periodic polling loops that
typically default to 15 or 30 seconds. These polling intervals are optimized based on the best
means for error tracking and reporting of components monitored by the agent.
Changing a polling interval to an infrequent interval affects how frequently each agent attempts
to query the system. In other words, a slower polling interval equates to obtaining less frequent
information about the system. It is possible that critical issues (such as temperature and voltage
spikes, fan failures, CPU failures, etc.) may be overlooked and unreported if the polling intervals
are set too long.
Table 2-1 lists the available HP Insight Management Agents that can be queried or altered by
name, process name, and the Object Identifier (OID):
Table 2-1 HP Insight Management Agents Defined
OID NameProcess NameAgent Name
cpqDaOsCommonPollFreqhpimaidad
Drive Array
cpqFcaOsCommonPollFreqhpimafcad
Fibre Channel
cpqHeOsCommonPollFreqhpimahealthd
Health
cpqHoOsCommonPollFreqhpimahostd
Host
cpqMeOsCommonPollFreqhpimathread
Threshold
cpqNicOsCommonPollFreqhpimanicd
NIC
cpqScsiOsCommonPollFreqhpimascsid
SCSI
cpqSeOsCommonPollFreqhpimastdeqd
Standard Equipment
cpqSiOsCommonPollFreqhpimasinfo
System Information
Each OID listed in Table 2-1 is used with the snmpset or snmpget commands to view or modify
the polling time for the corresponding agent. These SNMP commands also require the
identification of your system's rwcommunity string. This string is a password that allows you
access to read or write SNMP OIDs.
Configuring Polling Intervals 13