Redundancy Force-Failover - Dell S4810 Reference Manual

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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.

redundancy force-failover {stack-unit unit-number}

stack-unit unit-

Not configured.

EXEC Privilege

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 9.2(0.0)

Version 8.1.1.0

Version 7.5.1.0

Version 7.6.1.0

To provide a hitless or warm upgrade, use this command. A hitless upgrade means

that a software upgrade does not require a reboot of the line cards. A warm

upgrade means that a software upgrade requires a reset of the line cards. A warm

upgrade is possible for major releases and lower, while a hitless upgrade can only

support patch releases.

High Availability (HA)

Enter the keyword stack-unit then the stack-unit ID

number. The range is from 0 to 7.

Introduced on the M I/O Aggregator. This command is

supported in Programmable-Mux (PMUX) mode only.

Introduced on the S4820T.

Introduced on the S4810.

Introduced on the E-Series ExaScale.

Introduced on the C-Series.

Introduced on the E-Series.

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