Which three statements are true concerning the configuration of SNMP on an Exadata x5 or x6 Database
Machine?
A.
All SNMP notifications from the storage server ILOMs are sent directly to the Automatic Service Request
(ASR) manager.
B.
Some SNMP notifications may be configured using the alter cell command on the storage servers.
C.
The Database Machine internal Cisco Switch communicates directly with the Enterprise Manager agent via
SNMP.
D.
Some SNMP notifications from a storage server ILOM are sent directly to the management server (MS)
process on the same storage servers.
E.
All SNMP notifications from a database server ILOM are sent directly to the Automatic Service Request
(ASR) manager.
F.
All SNMP notifications from a database server ILOM are sent directly to the management server (MS)
process on the same database server.
Explanation:
B: You can configure SNMP Trap Destinations for the Exadata Storage Servers with the following command:
# cellcli -e “alter cell snmpSubscriber=(host =’ASR-Manager-name-or-IPaddress’,port=162,community=public,type=asr)”
D: Exadata Storage Server plug-in
This extends the monitoring of exadata cells in addition to providing a GUI interface. The plug-in uses an SSH
connection to the cellmonitor user on the cells and uses list commands only. This is for interactive monitoring.
One may also set thresholds using the plug-in which are distinct from any thresholds set using cellcli utility as the celladmin user. For alerts to be sent to the plug-in, SNMP traps are used as follows:
Cell ILOM alerts are sent to the cell Management Server (MS) via an SNMP trap. The MS then send SNMP
notifications onward to the plug-in.
Cell alerts flagged by MS itself, such as cell thresholds being exceeded, or ADR software alerts, are sent to the plug-in using SNMP.
E: Database Server ILOM plug-in
Monitoring databases and their instances, ASM environments, the Grid Infrastructure, and the host software environment are done by Enterprise Manager in the usual way as these are standard targets. But monitoring the hardware for the database servers requires the ILOM plug-in, as there is no Management Server (MS) on the database servers to receive SNMP traps from the ILOM. The plug-in will receive sensor state and availability data from the ILOM including alerts based on pre-set ILOM thresholds.
References:
https://dbatrain.wordpress.com/2011/06/http://docs.oracle.com/cd/E21659_01/html/E21660/z40015671004046509.html