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

Type Event name Description State Level Description
StatusNotification Disk:ConvertToPostpaidCompleted The billing method of the disk is changed to pay-as-you-go. Normal Info None.
StatusNotification Disk:DiskOperationCompleted The operation on the disk is completed. Normal Info None.
Exception Disk:ErrorDetected:Executed The alert about the damage to the local disk starts. Executed Critical None.
Exception Disk:ErrorDetected:Executing The alert about the damage to the local disk ends. Executing Critical None.
StatusNotification Disk:OverduePaymentRelease The disk is released due to overdue payments of the account. Normal Critical None.
Exception Disk:Stalled:Executed The impact on the disk performance ends. Executed Critical None.
Exception Disk:Stalled:Executing The impact on the disk performance starts. Executing Critical None.
StatusNotification Instance:BurstablePerformanceRestricted The performance of the burstable instance is restricted. Normal Warn None.
Exception Instance:InstanceFailure.Reboot:Executed The instance reboot that is caused by an instance error is completed. Executed Critical None.
Exception Instance:InstanceFailure.Reboot:Executing The instance reboot that is caused by an instance error starts. Executing Critical None.
StatusNotification Instance:LiveMigrationAcrossDDH An instance is hot migrated between dedicated hosts. N/A Info None.
StatusNotification Instance:PerformanceModeChange The performance mode of the burstable instance is changed. Normal Info None.
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.
Exception Instance:Security.TpmAlert:Executed The Trusted Platform Module (TPM) security alert ends. Executed Warn None.
Exception Instance:Security.TpmAlert:Executing The TPM security alert starts. Executing Warn None.
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 enters the Stopped status if it is stopped, expired, about to expire, locked, and waiting for being released.
  • Deleted: The instance is released.

For more information, see ECS instance lifecycle.

Exception Instance:SystemFailure.Delete:Avoided The automatic instance release that is caused by an instance creation failure is bypassed. Avoided Critical None.
Exception Instance:SystemFailure.Delete:Executed The automatic instance release that is caused by an instance creation failure is completed. Executed Critical None.
Exception Instance:SystemFailure.Delete:Executing The automatic instance release that is caused by an instance creation failure is being executed. Executing Critical None.
Exception Instance:SystemFailure.Reboot:Executed The instance reboot that is caused by a system error is completed. Executed Critical None.
Exception Instance:SystemFailure.Reboot:Executing The instance reboot that is caused by a system error starts. Executing Critical None.
Exception Instance:SystemFailure.Reboot:Failed The instance reboot that is caused by a system error fails. Failed Critical None.
Exception Instance:SystemFailure.Redeploy:Avoided The instance redeployment that is caused by a system error is bypassed. Avoided Critical None.
Exception Instance:SystemFailure.Redeploy:Canceled The instance redeployment that is caused by a system error is canceled. Canceled Critical None.
Exception Instance:SystemFailure.Redeploy:Executed The instance redeployment that is caused by a system error is completed. Executed Critical None.
Exception Instance:SystemFailure.Redeploy:Executing The instance redeployment that is caused by a system error is being executed. Executing Critical None.
Exception Instance:SystemFailure.Redeploy:Scheduled The instance redeployment that is caused by a system error is scheduled. Scheduled Critical None.
Maintenance Instance:SystemMaintenance.IsolateErrorDisk:Avoided The damaged-disk isolation that is caused by system maintenance is bypassed. Avoided Critical None.
Maintenance Instance:SystemMaintenance.IsolateErrorDisk:Canceled The damaged-disk isolation that is caused by system maintenance is canceled. Canceled Critical None.
Maintenance Instance:SystemMaintenance.IsolateErrorDisk:Executed The damaged-disk isolation that is caused by system maintenance is completed. Executed Critical None.
Maintenance Instance:SystemMaintenance.IsolateErrorDisk:Executing The damaged-disk isolation that is caused by system maintenance is being executed. Executing Critical None.
Maintenance Instance:SystemMaintenance.IsolateErrorDisk:Failed The damaged-disk isolation that is caused by system maintenance fails. Failed Critical None.
Maintenance Instance:SystemMaintenance.IsolateErrorDisk:Inquiring The damaged-disk isolation that is caused by system maintenance is waiting for your confirmation. Inquiring Critical None.
Maintenance Instance:SystemMaintenance.PerformanceImpact:Executed The potential impact of system maintenance on the instance performance ends. Executed Warn None.
Maintenance Instance:SystemMaintenance.PerformanceImpact:Executing The potential impact of system maintenance on the instance performance starts. Executing Warn None.
Maintenance Instance:SystemMaintenance.ReInitErrorDisk:Avoided The damaged-disk reinitialization that is caused by system maintenance is bypassed. Avoided Critical None.
Maintenance Instance:SystemMaintenance.ReInitErrorDisk:Canceled The damaged-disk reinitialization that is caused by system maintenance is canceled. Canceled Critical None.
Maintenance Instance:SystemMaintenance.ReInitErrorDisk:Executed The damaged-disk reinitialization that is caused by system maintenance is completed. Executed Critical None.
Maintenance Instance:SystemMaintenance.ReInitErrorDisk:Executing The damaged-disk reinitialization that is caused by system maintenance is being executed. Executing Critical None.
Maintenance Instance:SystemMaintenance.ReInitErrorDisk:Failed The damaged-disk reinitialization that is caused by system maintenance fails. Failed Critical None.
Maintenance Instance:SystemMaintenance.ReInitErrorDisk:Inquiring The damaged-disk reinitialization that is caused by system maintenance is waiting for your confirmation. Inquiring Critical None.
Maintenance Instance:SystemMaintenance.Reboot:Avoided The scheduled instance reboot that is caused by system maintenance is bypassed. Avoided Critical None.
Maintenance Instance:SystemMaintenance.Reboot:Canceled The scheduled instance reboot that is caused by system maintenance is canceled. Canceled Critical None.
Maintenance Instance:SystemMaintenance.Reboot:Executed The scheduled instance reboot that is caused by system maintenance is completed. Executed Critical None.
Maintenance Instance:SystemMaintenance.Reboot:Executing The scheduled instance reboot that is caused by system maintenance is being executed. Executing Critical None.
Maintenance Instance:SystemMaintenance.Reboot:Failed The scheduled instance reboot that is caused by system maintenance fails. Failed Critical None.
Maintenance Instance:SystemMaintenance.Reboot:Inquiring The scheduled instance reboot that is caused by system maintenance is waiting for your confirmation. Inquiring Critical None.
Maintenance Instance:SystemMaintenance.Reboot:Scheduled The instance reboot that is caused by system maintenance is scheduled. Scheduled Critical None.
Maintenance Instance:SystemMaintenance.RebootAndIsolateErrorDisk:Avoided The instance reboot and damaged-disk isolation that are caused by system maintenance are bypassed. Avoided Critical None.
Maintenance Instance:SystemMaintenance.RebootAndIsolateErrorDisk:Canceled The instance reboot and damaged-disk isolation that are caused by system maintenance are canceled. Canceled Critical None.
Maintenance Instance:SystemMaintenance.RebootAndIsolateErrorDisk:Executed The instance reboot and damaged-disk isolation that are caused by system maintenance are complete. Executed Critical None.
Maintenance Instance:SystemMaintenance.RebootAndIsolateErrorDisk:Executing The instance reboot and damaged-disk isolation that are caused by system maintenance are being executed. Executing Critical None.
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 None.
Maintenance Instance:SystemMaintenance.RebootAndReInitErrorDisk:Avoided The instance reboot and damaged-disk reinitialization that are caused by system maintenance are bypassed. Avoided Critical None.
Maintenance Instance:SystemMaintenance.RebootAndReInitErrorDisk:Canceled The instance reboot and damaged-disk reinitialization that are caused by system maintenance are canceled. Canceled Critical None.
Maintenance Instance:SystemMaintenance.RebootAndReInitErrorDisk:Executed The instance reboot and damaged-disk reinitialization that are caused by system maintenance are completed. Executed Critical None.
Maintenance Instance:SystemMaintenance.RebootAndReInitErrorDisk:Executing The instance reboot and damaged-disk reinitialization that are caused by system maintenance are being executed. Executing Critical None.
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 None.
Maintenance Instance:SystemMaintenance.Redeploy:Avoided The scheduled instance redeployment that is caused by system maintenance is bypassed. Avoided Critical None.
Maintenance Instance:SystemMaintenance.Redeploy:Canceled The scheduled instance redeployment that is caused by system maintenance is canceled. Canceled Critical None.
Maintenance Instance:SystemMaintenance.Redeploy:Executed The scheduled instance redeployment that is caused by system maintenance is completed. Executed Critical None.
Maintenance Instance:SystemMaintenance.Redeploy:Executing The scheduled instance redeployment that is caused by system maintenance is being executed. Executing Critical None.
Maintenance Instance:SystemMaintenance.Redeploy:Inquiring The scheduled instance redeployment that is caused by system maintenance is waiting for your confirmation. Inquiring Critical None.
Maintenance Instance:SystemMaintenance.Redeploy:Scheduled The instance redeployment that is caused by system maintenance is scheduled. Scheduled Critical None.
StatusNotification Snapshot:CreateSnapshotCompleted The disk snapshot is created. Normal Info None.
Maintenance Instance:SystemMaintenance.Stop:Avoided The scheduled instance stop that is caused by system maintenance is bypassed. Avoided Critical None.
Maintenance Instance:SystemMaintenance.Stop:Canceled The scheduled instance stop that is caused by system maintenance is canceled. Canceled Critical None.
Maintenance Instance:SystemMaintenance.Stop:Executed The scheduled instance stop that is caused by system maintenance is completed. Executed Critical None.
Maintenance Instance:SystemMaintenance.Stop:Executing The scheduled instance stop that is caused by system maintenance is being executed. Executing Critical None.
Maintenance Instance:SystemMaintenance.Stop:Failed The scheduled instance stop that is caused by system maintenance fails. Failed Critical None.
Maintenance Instance:SystemMaintenance.Stop:Scheduled The instance stop that is caused by system maintenance is scheduled. Scheduled Critical None.
Exception Instance:SystemFailure.Stop:Executed The instance stop that is caused by a system error is completed. Executed Critical None.
Exception Instance:SystemFailure.Stop:Executing The instance stop that is caused by a system error starts. Executing Critical None.