ASAP 2.8 Server Manual

Running ASAP
HP NonStop ASAP Server Manual—522303-007
3-8
Shutting Down the ASAP Collector and ASAP
Monitors
Shutting Down the ASAP Collector and ASAP
Monitors
The SHUTDOWN command stops the Collector or Monitor processes. The Monitor
also shuts down all executing SGPs in each CPU. Stop the remote monitors first, then
the collection node’s Monitor, and finally the Collector process. This example shows
the ASAP SHUTDOWN command:
+SHUTDOWN \CHICAGO !Shuts down the Monitor in Chicago
+SHUTDOWN \NY !Shuts down the Monitor in New York
+SHUTDOWN !Shuts down the local node
+SHUTDOWN \* !Shuts down all the Monitors in the network
+SHUTDOWN COLLECT !Shuts down the Collector process on the local node
+SHUTDOWN \CHICAGO COLLECT !Shuts down the Collector process on the Chicago
node
Synchronizing the Time of Day on Selected
Nodes
ASAP can synchronize the time of day between selected nodes. This is useful when
you want to synchronize a monitored node’s internal Greenwich Mean Time (GMT) to
the GMT of the Collection node. For example:
+SYNC \CHICAGO ! sync \CHICAGO GMT time to the Collection nodes GMT
+SYNC \* ! sync GMT time for all nodes to the Collection nodes GMT
The ASAP Collector process should reside on the node where the system
management functions are performed. This node has the correct internal GMT time of
day set. Synchronizing to the collection node typically ensures that the nodes
throughout the network has the correct time of day. The monitor on the specified node
synchronizes that node’s time of day with the node where its Collect process resides.
Nodes should have the same GMT so that availability data can be correlated. ASAP
maintains all times internally in GMT and then converts them to the local civil time of
the Collect server. This lets you view system performance in the system’s own local
time and ignore time zone differences when correlating statistics.
ASAP’s clock synchronization algorithm makes instantaneous time changes if the time
difference between the central Collect node and the Remote node is greater than two
minutes, and uses slow synchronization only if the time difference between the Central
node and the Remote node is less than two minutes. To avoid sudden time changes on
the Remote nodes, set the ASAP option SET SYNCSLOW ON | OFF
on page 6-119 to
ON to slowly synchronize the time of day between selected nodes.
You can set synchronization between nodes to occur automatically with the SET SYNC
min, freq option. This option periodically resynchronizes its node’s GMT to the
Collection node’s GMT.