PDU is not reachable in Exadata machine
PDU is not reachable in Exadata machine.
Alert: EM Event: Fatal:exasrvr-pdub01 – The current status of the target is Down,
PDU is short form of Power Distribution Unit.
Verification:
We can connect to ilom by using GUI and verify in the ilom console.
What is PDU?
PDU is short form of Power Distribution Unit.
It is a device responsible for distributing electrical power to the various components of the Exadata machine.
Every Size of Exadata(Quarter/Half/Full RACK) contains two independent PDU’s.
Cause:
Received this alert due to Agent Restart on Exadata nodes.
Actions taken:
Ignorable as this alert was generated due to Agent Restart .
Complete alert may look like below:
Target type=Oracle Engineered System PDU
Target name=exasrvr-pdub01
Categories=Availability
Message=The current status of the target is Down
Severity=Fatal
Operating System=Linux
Platform=x86_64
Associated Incident Id=87881
Associated Incident Status=New
Associated Incident Owner=
Associated Incident Acknowledged By Owner=No
Associated Incident Priority=None
Associated Incident Escalation Level=0
Event Type=Target Availability
Event name=Status
Availability status=Down
Root Cause Analysis Status=Neither Cause Nor Symptom
Causal analysis result=Neither a cause nor a symptom
Rule Name=Incident management rule set for all targets, Incident creation rule for a Target Down availability status
Rule Owner=System Generated
Update Details:
The current status of the target is Down
Summary:
Sometimes we receive these type of alerts for example here due to agent failure , so before raising Oracle SRs we need to do basic verification steps as mentioned above.
See also: