Thereset may take several minutes to complete. After the server hasbeen reset, the OverallStatus fieldon
theGeneral tab displays an ok status.
Avoiding Unexpected Server Power Changes
Ifa server is not associated with a service profile, you can use any available means to change the server power
state,including the physical Power orReset buttons on the server.
Ifa serveris associated with, or assigned to, a service profile, you should only use the following methods to
changethe server power state:
• In Cisco UCS Manager GUI, go to the General tab for the server or the service profile associated with
theserver andselect Boot Serveror Shutdown Server from the Actions area.
• In Cisco UCS Manager CLI, scope to the server or the service profile associated with the server and use
thepower up or powerdown commands.
Donot use any of the followingoptions on an associated server that is currently powered off:
Important
Resetin the GUI
cyclecycle-immediate or reset hard-reset-immediate in the CLI
• The physical Power or Reset buttons on the server
Ifyou reset,cycle, or use the physical power buttons on a server that is currently powered off, the server's
actualpower state may becomeout of sync with the desired power state setting in the service profile. If the
communicationbetween the server and Cisco UCS Manager is disrupted or if the service profile configuration
changes,Cisco UCS Manager may apply the desired power state from the service profile to the server, causing
anunexpected power change.
InCisco UCS release 2.0.1, power synchronization issues can lead to unexpected server shut downs or restarts
asshown below:
Server Power State After
Communication Is Disrupted
Current Server Power StateDesired Power State in Service
Profile
PoweredOnPoweredOffUp
PoweredOffPoweredOnDown
Startingin Cisco UCS release 2.0.2, power synchronization issues can lead to an unexpected server restart,
asshown below:
Server Power State After
Communication Is Disrupted
Current Server Power StateDesired Power State in Service
Profile
PoweredOnPoweredOffUp
Cisco UCS Manager GUI Configuration Guide, Release 2.0
604 OL-25712-04
Avoiding Unexpected Server Power Changes