1-2z maintain: The system maintains the current situation, and does not take any measure to recoveritself. Therefore, you need to recover the system manually, such as reboot the system. Sometimes,it is difficult for the system to recover, or some prompts that are printed during the failure are lostafter the reboot. In this case, you can use this method to maintain the abnormal state to locateproblems and recover the system.Follow these steps to configure the exception handling method:To do… Use the command… RemarksEnter system view system-view —Configure the exceptionhandling methodsystem-failure { maintain |reboot }OptionalBy default, the system adoptsthe reboot method to handleexceptions.Rebooting a DeviceWhen a fault occurs to a running device, you can remove the fault by rebooting the device, dependingon the actual situation.You can reboot a device following any of the three methods:z Power on the device after powering it off, which is also called hard reboot or cold start. This methodimpacts the device a lot. Powering off a running device will cause data loss and hardware damages.It is not recommended.z Trigger the immediate reboot through command lines.z Enable the scheduled reboot function through command lines. You can set a time at which thedevice can automatically reboot, or set a delay so that the device can automatically reboot withinthe delay.The last two methods are command line operations. Reboot through command lines is also called hotstart, which is equal to powering on the device after powering it off. It is mainly used to reboot a devicein remote maintenance, without performing hardware reboot of the device.Follow the step below to reboot a device through command lines immediately:To do… Use the command… RemarksReboot the system immediately reboot RequiredAvailable in user viewFollow these steps to reboot a device at a time through command lines:To do… Use the command… RemarksEnable the scheduled rebootfunction and specify a specificreboot time and dateschedule reboot at hh:mm[ date ]Enable the scheduled rebootfunction and specify a rebootwaiting timeschedule reboot delay{ hh:mm | mm }RequiredUse either approach.The scheduled reboot functionis disabled by default.Available in user view.
