Power Fail Occurs Procedure - Cisco BTS 10200 Troubleshooting Manual

Chapter 16 Disaster Recovery Procedures

Power Fail Occurs Procedure

If power failure occurs, do the following:
1.
2.
Power is Restored Procedure
When power comes back on, the BTS 10200 software and all platforms should power up running in
duplex Active/Standby.
Use the nodestat command to verify that all platforms are running with no failure indication.
Step 1
If the platform shuts down or fails to come up, perform the following steps to determine the cause of the
Step 2
problem and determine the action to resolve it:
a.
b.
c.
Power Failure Scenarios
The following power failure scenarios are discussed in the following sections:
•
•
•
•
Power Failure on Single Host Computer
If power failure occurs on one of the two sides while starting up a Standby platform, it can result in
corrupted shared memory. The status indicator for the shared memory database will report 'shared
memory database in bad state' if the Standby platform is restarted as the Active platform.
Recovery Procedure
Depending on the state of the Mate host computer, the following procedure are the alternatives on how
to proceed:
OL-8723-19
Check the state of the surviving hosts and make sure that all platforms are still running.
Check the alarm logs if the EMS is available.
Check the alarm logs to verify the system status.
Trace logs display the most significant events about the state of the platforms.
Check and analyze the logs for details that may provide the cause of the failure.
Power Failure on Single Host Computer, page 16-7
Only one host of the two mated host computers is affected by the power outage.
Power Failure on Both Call Agent Computers, page 16-9
Both mated host Call Agent computes are affected by the power outage.
Power Failure on Both Element Management System Computers, page 16-9
Both mated host EMS computers are affected by the power outage,
Total System Power Outage, page 16-10
All hosts computers are affected by the power outage.
Cisco BTS 10200 Softswitch Troubleshooting Guide, Release 5.0.x
Power Failure Recovery
16-7