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40 Integration in Tivoli NetView
Status Indication in Map Configuration and Operation
5.2 Status Indication in the Map
5.2.1 The Status from the Viewpoint of NetView
NetView determines the status of a device in the map by sending ICMP echo
requests to the respective device. The status determined by this method only
indicates the accessibility state of the device. To present the ServerView status
described below, the Map application creates a ServerView component symbol
in the submap of the server.
NetView determines the status of a correctly configured Fujitsu Siemens server
from the status of all its component symbols (attribute Status Source of the
symbol equals Propagated), e.g., from the ServerView status and the status of
all interfaces.
I The ServerView status can be determined only if the server is accessible
via SNMP. If it is not, the status of the ServerView component symbol is
no longer updated. The server is then monitored by NetView's monitoring
of the other components.
V Warning
If the monitoring for the other components of a server by NetView is
disabled, it is possible that a failure of that server may not be reflected by
a status change of the corresponding symbol in the NetView map. This
could occur, for example, if the submap of the server contains only the
ServerView symbol and a symbol for the interface, and the user deletes
the interface symbol or sets this interface component object to
unmanaged.
5.2.2 The ServerView Status
For Fujitsu Siemens servers with installed ServerView subagents, you can
obtain more detailed information on the status of the device than just its avail-
ability status. For this reason, the sniInvCondition object from the INVENTORY-
MIB depicts the overall status of all ServerView agents on the relevant device.
The status returned is always the most critical state among all the ServerView
agents.
By monitoring these MIB variables, you can therefore determine the status of a
device from the viewpoint of ServerView.