This topic describes the system events for Elastic Compute Service (ECS).

Type Event Description Status Level Remarks
StatusNotification Disk:ConvertToPostpaidCompleted The billing method of the disk is changed to pay-as-you-go. Normal Info N/A
StatusNotification Disk:DiskOperationCompleted The operation on the disk is completed. Normal Info N/A
Exception Disk:ErrorDetected:Executed The local disk is damaged and has triggered an alert. Executed Critical N/A
Exception Disk:ErrorDetected:Executing The local disk is damaged and starts to trigger an alert. Executing Critical N/A
StatusNotification Disk:OverduePaymentRelease The disk is released due to overdue payments of the account. Normal Critical N/A
Exception Disk:Stalled:Executed The impact on the disk performance ends. Executed Critical N/A
Exception Disk:Stalled:Executing The impact on the disk performance starts. Executing Critical N/A
StatusNotification Instance:BurstablePerformanceRestricted The performance of the burstable instance is restricted. Normal Warn N/A
Exception Instance:InstanceFailure.Alert:Executed An error on the instance triggers an alert. N/A Warn N/A
Exception Instance:SystemFailure.Reboot:Executed The instance reboot that is caused by an instance error is completed. Executed Critical N/A
Exception Instance:SystemFailure.Reboot:Executing The instance reboot that is caused by an instance error starts. Executing Critical N/A
StatusNotification Instance:LiveMigrationAcrossDDH The instance is hot migrated between dedicated hosts. N/A Info N/A
StatusNotification Instance:PerformanceModeChange The performance mode of the burstable instance is changed. Normal Info N/A
StatusNotification Instance:PreemptibleInstanceInterruption The preemptible instance is interrupted. Normal Warn If the market price is higher than your bid or the resources are insufficient, your preemptible instance enters the To Be Released state. For more information, see Overview.
StatusNotification Instance: StateChange The status of the instance is changed. Normal Info The event details contain the status of the instance. An instance can be in one of the following states:
  • Running
  • Stopped: The instance is stopped, has expired, is about to expire, is locked, or is waiting for being released.
  • Deleted: The instance is released.
StatusNotification Instance:SurplusCreditIncurCharge The burstable instance is billed because of overdrawn CPU credits. Normal Warn N/A
Exception Instance:SystemFailure.Delete:Avoided The automatic instance release that is caused by an instance creation failure is bypassed. Avoided Critical N/A
Exception Instance:SystemFailure.Reboot:Executed The automatic instance release that is caused by an instance creation failure is completed. Executed Critical N/A
Exception Instance:SystemFailure.Reboot:Executing The automatic instance release that is caused by an instance creation failure starts. Executing Critical N/A
Exception Instance:SystemFailure.Reboot:Executed The instance reboot that is caused by a system error is completed. Executed Critical N/A
Exception Instance:SystemFailure.Reboot:Executing The instance reboot that is caused by a system error starts. Executing Critical N/A
Exception Instance:SystemFailure.Reboot:Failed The instance reboot that is caused by a system error fails. Failed Critical N/A
Exception Instance:SystemFailure.Redeploy:Avoided The instance redeployment that is caused by a system error is bypassed. Avoided Critical N/A
Exception Instance:SystemFailure.Redeploy:Canceled The instance redeployment that is caused by a system error is canceled. Canceled Critical N/A
Exception Instance:SystemFailure.Redeploy:Executed The instance redeployment that is caused by a system error is completed. Executed Critical N/A
Exception Instance:SystemFailure.Redeploy:Executing The instance redeployment that is caused by a system error starts. Executing Critical N/A
Exception Instance:SystemFailure.Redeploy:Scheduled The instance redeployment that is caused by a system error is scheduled. Scheduled Critical N/A
Maintenance Instance:SystemMaintenance.IsolateErrorDisk:Avoided The damaged disk isolation that is caused by system maintenance is bypassed. Avoided Critical N/A
Maintenance Instance:SystemMaintenance.IsolateErrorDisk:Canceled The damaged disk isolation that is caused by system maintenance is canceled. Canceled Critical N/A
Maintenance Instance:SystemMaintenance.IsolateErrorDisk:Executed The damaged disk isolation that is caused by system maintenance is completed. Executed Critical N/A
Maintenance Instance:SystemMaintenance.IsolateErrorDisk:Executing The damaged disk isolation that is caused by system maintenance starts. Executing Critical N/A
Maintenance Instance:SystemMaintenance.IsolateErrorDisk:Failed The damaged disk isolation that is caused by system maintenance fails. Failed Critical N/A
Maintenance Instance:SystemMaintenance.IsolateErrorDisk:Inquiring The damaged disk isolation that is caused by system maintenance is waiting for your confirmation. Inquiring Critical N/A
Maintenance Instance:SystemMaintenance.PerformanceImpact:Executed The potential impact of system maintenance on the instance performance ends. Executed Warn N/A
Maintenance Instance:SystemMaintenance.PerformanceImpact:Executing The potential impact of system maintenance on the instance performance starts. Executing Warn N/A
Maintenance Instance:SystemMaintenance.ReInitErrorDisk:Avoided The damaged disk reinitialization that is caused by system maintenance is bypassed. Avoided Critical N/A
Maintenance Instance:SystemMaintenance.ReInitErrorDisk:Canceled The damaged disk reinitialization that is caused by system maintenance is canceled. Canceled Critical N/A
Maintenance Instance:SystemMaintenance.ReInitErrorDisk:Executed The damaged disk reinitialization that is caused by system maintenance is completed. Executed Critical N/A
Maintenance Instance:SystemMaintenance.ReInitErrorDisk:Executing The damaged disk reinitialization that is caused by system maintenance starts. Executing Critical N/A
Maintenance Instance:SystemMaintenance.ReInitErrorDisk:Failed The damaged disk reinitialization that is caused by system maintenance fails. Failed Critical N/A
Maintenance Instance:SystemMaintenance.ReInitErrorDisk:Inquiring The damaged disk reinitialization that is caused by system maintenance is waiting for your confirmation. Inquiring Critical N/A
Maintenance Instance:SystemMaintenance.Reboot:Avoided The scheduled instance reboot that is caused by system maintenance is bypassed. Avoided Critical N/A
Maintenance Instance:SystemMaintenance.Reboot:Canceled The scheduled instance reboot that is caused by system maintenance is canceled. Canceled Critical N/A
Maintenance Instance:SystemMaintenance.Reboot:Executed The scheduled instance reboot that is caused by system maintenance is completed. Executed Critical N/A
Maintenance Instance:SystemMaintenance.Reboot:Executing The scheduled instance reboot that is caused by system maintenance starts. Executing Critical N/A
Maintenance Instance:SystemMaintenance.Reboot:Failed The scheduled instance reboot that is caused by system maintenance fails. Failed Critical N/A
Maintenance Instance:SystemMaintenance.Reboot:Inquiring The scheduled instance reboot that is caused by system maintenance is waiting for your confirmation. Inquiring Critical N/A
Maintenance Instance:SystemMaintenance.Reboot:Scheduled The instance reboot that is caused by system maintenance is scheduled. Scheduled Critical N/A
Maintenance Instance:SystemMaintenance.RebootAndIsolateErrorDisk:Avoided The instance reboot and damaged disk isolation that are caused by system maintenance are bypassed. Avoided Critical N/A
Maintenance Instance:SystemMaintenance.RebootAndIsolateErrorDisk:Canceled The instance reboot and damaged disk isolation that are caused by system maintenance are canceled. Canceled Critical N/A
Maintenance Instance:SystemMaintenance.RebootAndIsolateErrorDisk:Executed The instance reboot and damaged disk isolation that are caused by system maintenance are completed. Executed Critical N/A
Maintenance Instance:SystemMaintenance.RebootAndIsolateErrorDisk:Executing The instance reboot and damaged disk isolation that are caused by system maintenance start. Executing Critical N/A
Maintenance Instance:SystemMaintenance.RebootAndIsolateErrorDisk:Inquiring The instance reboot and damaged disk isolation that are caused by system maintenance are waiting for your confirmation. Inquiring Critical N/A
Maintenance Instance:SystemMaintenance.RebootAndReInitErrorDisk:Avoided The instance reboot and damaged disk reinitialization that are caused by system maintenance are bypassed. Avoided Critical N/A
Maintenance Instance:SystemMaintenance.RebootAndReInitErrorDisk:Canceled The instance reboot and damaged disk reinitialization that are caused by system maintenance are canceled. Canceled Critical N/A
Maintenance Instance:SystemMaintenance.RebootAndReInitErrorDisk:Executed The instance reboot and damaged disk reinitialization that are caused by system maintenance are completed. Executed Critical N/A
Maintenance Instance:SystemMaintenance.RebootAndReInitErrorDisk:Executing The instance reboot and damaged disk reinitialization that are caused by system maintenance start. Executing Critical N/A
Maintenance Instance:SystemMaintenance.RebootAndReInitErrorDisk:Inquiring The instance reboot and damaged disk reinitialization that are caused by system maintenance are waiting for your confirmation. Inquiring Critical N/A
Maintenance Instance:SystemMaintenance.Redeploy:Avoided The scheduled instance redeployment that is caused by system maintenance is bypassed. Avoided Critical N/A
Maintenance Instance:SystemMaintenance.Redeploy:Canceled The scheduled instance redeployment that is caused by system maintenance is canceled. Canceled Critical N/A
Maintenance Instance:SystemMaintenance.Redeploy:Executed The scheduled instance redeployment that is caused by system maintenance is completed. Executed Critical N/A
Maintenance Instance:SystemMaintenance.Redeploy:Executing The scheduled instance redeployment that is caused by system maintenance is being executed. Executing Critical N/A
Maintenance Instance:SystemMaintenance.Redeploy:Inquiring The scheduled instance redeployment that is caused by system maintenance is waiting for your confirmation. Inquiring Critical N/A
Maintenance Instance:SystemMaintenance.Redeploy:Scheduled The instance redeployment that is caused by system maintenance is scheduled. Scheduled Critical N/A
StatusNotification Snapshot:CreateSnapshotCompleted The disk snapshot is created. Normal Info N/A