Dell PowerSwitch S4820T Configuration Guide for the S4820T System 9.14.1.0 - Page 366
Online Insertion and Removal
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• 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 EMC Networking OS is configured to auto-failover only three times within any 60 minute period and you cannot change that. Disabling Auto-Reboot To disable auto-reboot, use the following command. • Prevent a failed stack unit from rebooting after a failover. CONFIGURATION mode redundancy disable-auto-reboot Manually Synchronizing Management and Standby Units To manually synchronize Management and Standby units at any time, use the following command. • Manually synchronize Management and Standby units. EXEC Privilege mode redundancy synchronize full Online Insertion and Removal You can add, replace, or remove chassis components while the chassis is operating. This section contains the following sub-sections: • RPM Online Insertion and Removal • Linecard Online Insertion and Removal RPM Online Insertion and Removal Dell Networking systems are functional with only one RPM. If you insert a second RPM, it comes online as the standby RPM. To see SFM status information, use the show sfm all command. Example of the show rpm all Command Dell#show rpm all 366 High Availability (HA)
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