Dell S4820T Configuration Manual page 401

Example of Viewing RPM Redundancy Configuration
Dell#show running-config redundancy
!
redundancy auto-failover-limit count 3 period 60
redundancy auto-synchronize full
redundancy primary rpm0
Dell#
To view which RPM is the primary, use the show running-config redundancy command from EXEC
Privilege mode, as shown in the example in the
Forcing an Stack Unit Failover
To force an Stack unit failover, use the following command.
Use this feature when you are replacing a stack unit and when you are performing a warm upgrade.
• To trigger a stack unit failover.
EXEC Privilege mode
redundancy force-failover stack-unit
Example of the redundancy force-failover stack-unit Command
Dell#redundancy force-failover stack-unit
System configuration has been modified. Save? [yes/no]: yes
Proceed with Stack-unit hot failover [confirm yes/no]:yes
Dell#
Specifying an Auto-Failover Limit
When a non-recoverable fatal error is detected, an automatic failover occurs.
However, Dell Networking OS is configured to auto-failover only three times within any 60 minute
period. You may specify a different auto-failover count.
To re-enable the auto-failover-limit with its default parameters, use the redundancy auto-failover-
limit command without parameters.
• Set a different auto-failover count.
CONFIGURATION mode
redundancy auto-failover-limit
• Re-Enable the auto-failover-limit with its default parameters.
CONFIGURATION mode
redundancy auto-failover-limit
(no parameters)
Disabling Auto-Reboot
To disable auto-reboot, use the following command.
High Availability (HA)
Forcing an RPM Failover.
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