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 None
StatusNotification Disk:DiskOperationCompleted The operation on the disk is completed. Normal Info None
Exception Disk:ErrorDetected:Executed The local disk is damaged and has triggered an alert. Executed Critical None
Exception Disk:ErrorDetected:Executing The local disk is damaged and starts to trigger an alert. 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.Alert:Executed An error on the instance triggers an alert. None Warn None
Exception Instance:InstanceFailure.Reboot:Executed The instance reboot due to an instance error is completed. Executed Critical None
Exception Instance:InstanceFailure.Reboot:Executing The instance reboot due to an instance error starts. Executing Critical None
StatusNotification Instance:LiveMigrationAcrossDDH The instance is hot migrated between dedicated hosts. None 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.
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.

For more information, see ECS instance lifecycle.

StatusNotification Instance:SurplusCreditIncurCharge The burstable instance is billed because of overdrawn CPU credits. Normal Warn None
Exception Instance:SystemFailure.Delete:Avoided The automatic instance release due to an instance creation failure is bypassed. Avoided Critical None
Exception Instance:SystemFailure.Delete:Executed The automatic instance release due to an instance creation failure is completed. Executed Critical None
Exception Instance:SystemFailure.Delete:Executing The automatic instance release due to an instance creation failure starts. Executing Critical None
Exception Instance:SystemFailure.Reboot:Executed The instance reboot due to a system error is completed. Executed Critical None
Exception Instance:SystemFailure.Reboot:Executing The instance reboot due to a system error starts. Executing Critical None
Exception Instance:SystemFailure.Reboot:Failed The instance reboot due to a system error fails. Failed Critical None
Exception Instance:SystemFailure.Redeploy:Avoided The instance redeployment due to a system error is bypassed. Avoided Critical None
Exception Instance:SystemFailure.Redeploy:Canceled The instance redeployment due to a system error is canceled. Canceled Critical None
Exception Instance:SystemFailure.Redeploy:Executed The instance redeployment due to a system error is completed. Executed Critical None
Exception Instance:SystemFailure.Redeploy:Executing The instance redeployment due to a system error starts. Executing Critical None
Exception Instance:SystemFailure.Redeploy:Scheduled The instance redeployment due to a system error is scheduled. Scheduled Critical None
Maintenance Instance:SystemMaintenance.IsolateErrorDisk:Avoided The damaged disk isolation due to system maintenance is bypassed. Avoided Warn None
Maintenance Instance:SystemMaintenance.IsolateErrorDisk:Canceled The damaged disk isolation due to system maintenance is canceled. Canceled Warn None
Maintenance Instance:SystemMaintenance.IsolateErrorDisk:Executed The damaged disk isolation due to system maintenance is completed. Executed Warn None
Maintenance Instance:SystemMaintenance.IsolateErrorDisk:Executing The damaged disk isolation due to system maintenance starts. Executing Warn None
Maintenance Instance:SystemMaintenance.IsolateErrorDisk:Failed The damaged disk isolation due to system maintenance fails. Failed Warn None
Maintenance Instance:SystemMaintenance.IsolateErrorDisk:Inquiring The damaged disk isolation due to system maintenance is waiting for your confirmation. Inquiring Warn 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 due to system maintenance is bypassed. Avoided Warn None
Maintenance Instance:SystemMaintenance.ReInitErrorDisk:Canceled The damaged disk reinitialization due to system maintenance is canceled. Canceled Warn None
Maintenance Instance:SystemMaintenance.ReInitErrorDisk:Executed The damaged disk reinitialization due to system maintenance is completed. Executed Warn None
Maintenance Instance:SystemMaintenance.ReInitErrorDisk:Executing The damaged disk reinitialization due to system maintenance starts. Executing Warn None
Maintenance Instance:SystemMaintenance.ReInitErrorDisk:Failed The damaged disk reinitialization due to system maintenance fails. Failed Warn None
Maintenance Instance:SystemMaintenance.ReInitErrorDisk:Inquiring The damaged disk reinitialization due to system maintenance is waiting for your confirmation. Inquiring Warn None
Maintenance Instance:SystemMaintenance.Reboot:Avoided The scheduled instance reboot due to system maintenance is bypassed. Avoided Critical None
Maintenance Instance:SystemMaintenance.Reboot:Canceled The scheduled instance reboot due to system maintenance is canceled. Canceled Critical None
Maintenance Instance:SystemMaintenance.Reboot:Executed The scheduled instance reboot due to system maintenance is completed. Executed Critical None
Maintenance Instance:SystemMaintenance.Reboot:Executing The scheduled instance reboot due to system maintenance starts. Executing Critical None
Maintenance Instance:SystemMaintenance.Reboot:Failed The scheduled instance reboot due to system maintenance fails. Failed Critical None
Maintenance Instance:SystemMaintenance.Reboot:Inquiring The scheduled instance reboot due to system maintenance is waiting for your confirmation. Inquiring Critical None
Maintenance Instance:SystemMaintenance.Reboot:Scheduled The instance reboot due to system maintenance is scheduled. Scheduled Critical None
Maintenance Instance:SystemMaintenance.RebootAndIsolateErrorDisk:Avoided The instance reboot and damaged disk isolation due to system maintenance are bypassed. Avoided Critical None
Maintenance Instance:SystemMaintenance.RebootAndIsolateErrorDisk:Canceled The instance reboot and damaged disk isolation due to system maintenance are canceled. Canceled Critical None
Maintenance Instance:SystemMaintenance.RebootAndIsolateErrorDisk:Executed The instance reboot and damaged disk isolation due to system maintenance are completed. Executed Critical None
Maintenance Instance:SystemMaintenance.RebootAndIsolateErrorDisk:Executing The instance reboot and damaged disk isolation due to system maintenance start. Executing Critical None
Maintenance Instance:SystemMaintenance.RebootAndIsolateErrorDisk:Inquiring The instance reboot and damaged disk isolation due to system maintenance are waiting for your confirmation. Inquiring Critical None
Maintenance Instance:SystemMaintenance.RebootAndReInitErrorDisk:Avoided The instance reboot and damaged disk reinitialization due to system maintenance are bypassed. Avoided Critical None
Maintenance Instance:SystemMaintenance.RebootAndReInitErrorDisk:Canceled The instance reboot and damaged disk reinitialization due to system maintenance are canceled. Canceled Critical None
Maintenance Instance:SystemMaintenance.RebootAndReInitErrorDisk:Executed The instance reboot and damaged disk reinitialization due to system maintenance are completed. Executed Critical None
Maintenance Instance:SystemMaintenance.RebootAndReInitErrorDisk:Executing The instance reboot and damaged disk reinitialization due to system maintenance start. Executing Critical None
Maintenance Instance:SystemMaintenance.RebootAndReInitErrorDisk:Inquiring The instance reboot and damaged disk reinitialization due to system maintenance are waiting for your confirmation. Inquiring Critical None
Maintenance Instance:SystemMaintenance.Redeploy:Avoided The scheduled instance redeployment due to system maintenance is bypassed. Avoided Critical None
Maintenance Instance:SystemMaintenance.Redeploy:Canceled The scheduled instance redeployment due to system maintenance is canceled. Canceled Critical None
Maintenance Instance:SystemMaintenance.Redeploy:Executed The scheduled instance redeployment due to system maintenance is completed. Executed Critical None
Maintenance Instance:SystemMaintenance.Redeploy:Executing The scheduled instance redeployment due to system maintenance is being executed. Executing Critical None
Maintenance Instance:SystemMaintenance.Redeploy:Inquiring The scheduled instance redeployment due to system maintenance is waiting for your confirmation. Inquiring Critical None
Maintenance Instance:SystemMaintenance.Redeploy:Scheduled The instance redeployment due to system maintenance is scheduled. Scheduled Critical None
StatusNotification Snapshot:CreateSnapshotCompleted The disk snapshot is created. Normal Info None