While upgrading Brocade switch FOS from version v9.1.1c3 to v9.2.1a, the IP on the CP went offline for 30-35 minutes and CP switch went down due to partition image failure. Slot 2 was the active CP, w...While upgrading Brocade switch FOS from version v9.1.1c3 to v9.2.1a, the IP on the CP went offline for 30-35 minutes and CP switch went down due to partition image failure. Slot 2 was the active CP, while the switch became inaccessible, and access is regained after the forced failover to slot 1. Slot 1 (CP0, active): Firmware is being downloaded to standby CP. Slot 1 (CP0, active): Firmware commit operation has completed successfully on active CP.