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Polycom RealPresence Collaboration Server (RMX) 1500/2000/4000 Administrator’s Guide
21-42 Polycom, Inc.
2 Select the appropriate Hot Backup Triggers check boxes:
3 Alternatively, click the Trigger Failover Manually button when you want to trigger the
Hot Backup manually and activate the Slave MCU.
A confirmation message is displayed.
4 Click Yes to continue the Hot Backup process or click No to cancel the Hot Backup
process.
5 Click OK.
Modifications to the Master MCU Requiring System Reset
Modifications to the configuration of the Master MCU that require a System Reset cannot be
performed while Hot Backup is enabled.
To modify the Master MCU configuration:
1 Disable the Hot Backup on the Master and Slave MCUs.
2 Modify the Master MCUs configuration.
3 Reset the Master MCU.
4 When the reset is complete
, enable Hot Backup on the Master and Slave MCUs.
5 If required, reset the Slave MCU.
Table 21-5 Hot Backup Triggers
Hot Backup Trigger Description
Lost connection with management
port
Initiates the Hot Backup switch from the Master to
the Slave MCU when the connection to the
management port is lost on the Master MCU. This
trigger is always set.
Lost connection with media port Initiates the Hot Backup switch from the Master to
the Slave MCU when the connection with an active
media port is lost on the Master MCU.
Lost connection with signalling port Initiates the Hot Backup switch from the Master to
the Slave MCU when the connection with an active
signalling port is inactive for a duration of 30
seconds on the Master MCU. A system flag,
ETH_INACTIVITY_DURATION, can be added and
configured to modify the duration of inactivity of the
signalling port. Default value is 30 seconds;
Minimum value is 20 seconds.
Lost connection with ISDN card Initiates the Hot Backup switch from the Master to
the Slave MCU when the connection with an ISDN
card is disconnected on the Master MCU.