step01.
FI6248-A /system # connect local-mgmt
step02.
FI6248-A(local-mgmt)# show cluster extended-state ; show cluster state
A: UP, PRIMARY
B: UP, SUBORDINATE
step03.
FI6248# connect local-mgmt b
FI6248-A(local-mgmt)# cluster lead a // 切換a為primary角色
FI6248# connect local-mgmt a
FI6248-A(local-mgmt)# cluster lead b // 切換b為primary角色
Reference:
1. https://basraayman.com/2011/07/05/shorts-how-to-reboot-a-cisco-ucs-6100-series-fabric-interconnect/
2. https://fatmin.com/2012/05/01/cisco-ucs-failover-via-6248-cli/