* Warning !!! Warning !!! Warning !!!
*
* ----------------------------------------------
*
* Incompatible SW Version detected !!
*
* This RPM -> 7.4.2.0
* Peer RPM -> 7.4.1.0
*
************************************************
00:00:12: %RPM0-U:CP %IRC-4-IRC_VERSION: Current RPM 7.4.2.0 Peer RPM 7.4.1.0 -
Different software version detected
00:00:12: %RPM0-U:CP %IRC-6-IRC_COMMUP: Link to peer RPM is up
00:00:14: %RPM0-U:CP %RAM-6-ELECTION_ROLE: RPM0 is transitioning to Primary RPM.
Example of Boot Failure on Standby RPM
System failed to boot up. Please reboot the chassis !!!
00:12:46: %RPM1-U:CP %TME-0-RPM BRINGUP FAIL: FTOS failed to bring up the system
Communication between RPMs is not up, check the software version and reboot
chassis.
Dell(standby)(bootfail)#
Automatic and Manual Stack Unit Failover
Stack unit failover is the process of the standby unit becoming a management unit.
Dell Networking OS fails over to the standby stack unit when:
1. Communication is lost between the standby and primary stack unit.
2. You request a failover via the CLI.
To display the reason for the last failover, use the show redundancy command from EXEC Privilege
mode.
Example of the show redundancy Command
Dell#show redundancy
-- Stack-unit Status --
------------------------------------------------
Mgmt ID: 0
Stack-unit ID: 0
Stack-unit Redundancy Role: Primary
Stack-unit State: Active
Stack-unit SW Version: 9.6(0.0)
Link to Peer: Down
Peer Stack-unit: not present
-- Stack-unit Redundancy Configuration --
------------------------------------------------
Primary Stack-unit: mgmt-id 0
Auto Data Sync: Full
Failover Type: Hot Failover
Auto reboot Stack-unit: Enabled
Auto failover limit: 3 times in 60 minutes
-- Stack-unit Failover Record --
------------------------------------------------
High Availability (HA)
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