16-8
Cisco BTS 10200 Softswitch Troubleshooting Guide, Release 5.0.x
OL-8723-19
Chapter 16 Disaster Recovery Procedures
Power Failure Recovery
No Failures on the Surviving Host
Step 1
Verify that all platforms are running as Active.
Step 2
If all platforms are running as Active, restore power. Restoring power restarts all platforms running as
Standby on the failing host.
Platform Failure on the Surviving Host
Step 1
If power failure occurred while the surviving host computer is being brought up, restart the failing
platform
immediately
(before power is restored on the other host).
Step 2
If the procedure does not work and reports a
'bad state'
for the shared memory, proceed to clear the
shared data area and wait for the mate to be restarted.
Step 3
When power is restored, verify that all platforms are running by entering the
nodestat
command
on the
recovering host computer.
Step 4
Restart the failing platform on the host computer that is not affected by the power outage. The platform
should come up as Standby.
Platform Failure Not Due To 'Bad State' of the Shared Memory on the Mate Host Computer or Any Failure on the Recovering Host
Computer
Step 1
Check the alarm logs and search for alarms belonging to the failing platforms.
Step 2
The trace logs display the most significant events about the state of the platforms.
Step 3
Check and analyze the logs for details that may provide the cause of the failure. If possible, fix the
problem.
a.
If the system can run in simplex, send the logs to Cisco Technical Assistance Center (TAC) for
diagnosis and assistance.
b.
If the system cannot run simplex, run the procedure for a duplex power failure.
