Description Nplus1 failback does not happen in-spite of master being operational
ScopeKB ARTICLE
TYPE: Configuration
RELATED
PRODUCTS:1500,1550,3200,4200,5000,6000
RELATED
SOFTWARE VERSIONS:5.0, 5.1, 5.2,
5.3
KEYWORDS:nplus1,revertive
mode,failover,failback
SolutionNon- Revertive mode is enabled on
the slave controller.
Non-Revertive feature enables the
administrator to choose when an active slave can relinquish a master's
role. Apparently, an active slave verifies if the master is ready to
take over the master's role or not. If the master is not ready, the
failback operation fails to start, and active slave keeps operating as a
master. While the active slave keeps operational, the master stays in
the standby mode, waiting for the active slave to relinquish the
role.
Command to Disable/Enable Non-revertive
mode:
PSMC1500(15)# configure
terminal
PSMC1500(15)(config)# nplus1 non-revertive
enable/disable
