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Version Description
9.2(0.0) Introduced on the M I/O Aggregator. This command is
supported in Programmable-Mux (PMUX) mode only.
8.3.19.0 Introduced on the S4820T.
8.3.11.1 Introduced on the Z9000.
8.3.7.0 Introduced on the S4810.
8.3.1.0 Added the all option.
8.1.1.0 Introduced on the E-Series ExaScale.
7.6.1.0 Introduced on the E-Series
Usage
Information
Enabling this command keeps the failed RPM in the failed state. If there are two
RPMs in the system, enabling this command prevents the failed RPM from
becoming a working Standby RPM. If there is only one RPM in the system, the failed
RPM does not recover and affects the system.
redundancy force-failover
Force the secondary stack unit to become the primary stack unit. You can also use this command to
upgrade the software on one stack unit from the other when the other has been loaded with the
upgraded software.
S4820T
Syntax
redundancy force-failover stack-unit
Parameters
stack-unit Enter the keyword stack-unit then the stack-unit ID
number.
Default Not configured.
Command
Modes
EXEC Privilege
Command
History
This guide is platform-specific. For command information about other platforms,
refer to the relevant Dell Networking OS Command Line Reference Guide.
The following is a list of the Dell Networking OS version history for this command.
Version Description
9.2(0.0) Introduced on the M I/O Aggregator. This command is
supported in Programmable-Mux (PMUX) mode only.
8.3.19.0 Introduced on the S4820T.
748
High Availability (HA)