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: