Query and respond to ECS system events

ECS console

You can query all system events for your instances in the Events page of the ECS console.

1. Go to ECS console - Events.

2. Query pending system events.

   A category with a number next to it indicates pending system events. The console recommends different response actions for different system events, such as renewing an instance for an expiration event or repairing a disk for a local disk damage event. You can follow the instructions in the console to perform the actions yourself, or wait for the system to execute them automatically. In the navigation pane on the left, select Instance Billing Events and filter the events by the pending status. The list shows that an instance has an "Instance Stopped Due to Expiration" event. The event is rated severe (marked in red) and is scheduled for execution in one day. In the Actions column, you can click Renew or Enable Auto-renewal to resolve the event.

3. If an event requires you to reboot an instance or redeploy an instance, you must perform the operation from the console or by calling an API. Otherwise, the action will be ineffective.

   For more information about the API operations, see RebootInstance or RedeployInstance.

   Note

   Rebooting the instance from within its operating system, for example, using the reboot command, is ineffective.

Alibaba Cloud CLI

1. Call the DescribeInstances operation to retrieve the instance IDs.

   aliyun ecs DescribeInstances --RegionId <TheRegionId> --output cols=InstanceId,InstanceName rows=Instances.Instance[]

2. Call the DescribeInstanceHistoryEvents operation to query system events for a specific instance.

   • Query events in the Scheduled state:

     aliyun ecs DescribeInstanceHistoryEvents --RegionId <TheRegionId> --InstanceId <YourInstanceId> --InstanceEventCycleStatus.1 Scheduled --output cols=EventId,EventTypeName rows=InstanceSystemEventSet.InstanceSystemEventType[]

   • Query events in all states (Scheduled, Inquiring, Executing, Executed, Avoided, Canceled, and Failed):

     aliyun ecs DescribeInstanceHistoryEvents --RegionId <TheRegionId> --InstanceId <YourInstanceId> --InstanceEventCycleStatus.1 Scheduled --InstanceEventCycleStatus.2 Inquiring --InstanceEventCycleStatus.3 Executing --InstanceEventCycleStatus.4 Executed --InstanceEventCycleStatus.5 Canceled --InstanceEventCycleStatus.6 Avoided --InstanceEventCycleStatus.7 Failed --output cols=EventId,EventTypeName rows=InstanceSystemEventSet.InstanceSystemEventType[]

   • Query finished events (Executed, Avoided, Canceled, or Failed):

     aliyun ecs DescribeInstanceHistoryEvents --RegionId <TheRegionId> --InstanceId <YourInstanceId> --InstanceEventCycleStatus.1 Executed --InstanceEventCycleStatus.2 Avoided --InstanceEventCycleStatus.3 Canceled --InstanceEventCycleStatus.4 Failed --output cols=EventId,EventTypeName rows=InstanceSystemEventSet.InstanceSystemEventType[]

   • Query unfinished events (Scheduled, Inquiring, or Executing):

     aliyun ecs DescribeInstanceHistoryEvents --RegionId <TheRegionId> --InstanceId <YourInstanceId> --InstanceEventCycleStatus.1 Scheduled --InstanceEventCycleStatus.2 Inquiring --InstanceEventCycleStatus.3 Executing --output cols=EventId,EventTypeName rows=InstanceSystemEventSet.InstanceSystemEventType[]

3. Choose a response action and call the corresponding API operation.

   Examples:

   • For a system event in the Inquiring state, call the AcceptInquiredSystemEvent operation to authorize Alibaba Cloud to execute the event, or ignore the notification to deny the authorization.

   • For a system event that requires you to redeploy an instance, you can either call the RedeployInstance operation to redeploy the instance yourself or wait for the system to do so automatically.

   • For a system event that reminds you that a subscription instance is about to expire, call the RenewInstance operation to renew the instance. Otherwise, the system automatically stops and releases the instance after it expires.

4. If an event requires you to reboot an instance or redeploy an instance, you must perform the operation from the console or by calling an API. Otherwise, the action will be ineffective.

   For more information about the API operations, see RebootInstance or RedeployInstance.

   Note

   Rebooting the instance from within its operating system, for example, using the reboot command, is ineffective.