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Elastic Compute Service:DescribeEvents

Last Updated:Sep 25, 2024

Queries the risk events of a disk.

Debugging

OpenAPI Explorer automatically calculates the signature value. For your convenience, we recommend that you call this operation in OpenAPI Explorer.

Authorization information

The following table shows the authorization information corresponding to the API. The authorization information can be used in the Action policy element to grant a RAM user or RAM role the permissions to call this API operation. Description:

  • Operation: the value that you can use in the Action element to specify the operation on a resource.
  • Access level: the access level of each operation. The levels are read, write, and list.
  • Resource type: the type of the resource on which you can authorize the RAM user or the RAM role to perform the operation. Take note of the following items:
    • The required resource types are displayed in bold characters.
    • If the permissions cannot be granted at the resource level, All Resources is used in the Resource type column of the operation.
  • Condition Key: the condition key that is defined by the cloud service.
  • Associated operation: other operations that the RAM user or the RAM role must have permissions to perform to complete the operation. To complete the operation, the RAM user or the RAM role must have the permissions to perform the associated operations.
OperationAccess levelResource typeCondition keyAssociated operation
ebs:DescribeEventsnone
  • All Resources
    *
    none
none

Request parameters

ParameterTypeRequiredDescriptionExample
RegionIdstringYes

The region ID . You can call the DescribeRegions operation to query the most recent list of regions supported.

cn-hangzhou
EventNamestringNo

The name of the event. Valid values:

  • NoSnapshot: indicates the event that is triggered because no snapshot is created for a disk to protect data on the disk.
  • BurstIOTriggered: indicates the event that is triggered when a burst I/O operation is performed on a disk.
  • CostOptimizationNeeded: indicates the event that is triggered when cost optimization is required.
  • DiskSpecNotMatchedWithInstance: indicates the event that is triggered because the specifications of a disk do not match the instance to which the disk is attached.
  • DiskIONo4kAligned: indicates the event that is triggered because the physical and logical sectors involved in a read or write operation are not 4K aligned.
  • DiskIOHang: indicates the event that is triggered when an I/O hang occurs on a disk.
  • InstanceIOPSExceedInstanceMaxLimit: indicates the event that is triggered when the number of IOPS on an instance reaches the upper limit.
  • InstanceBPSExceedInstanceMaxLimit: indicates the event that is triggered when the number of BPS on an instance reaches the upper limit.
  • DiskIOPSExceedInstanceMaxLimit: indicates the event that is triggered when the number of IOPS on a disk reaches the upper limit for the associated instance.
  • DiskBPSExceedInstanceMaxLimit: indicates the event that is triggered when the number of BPS on a disk reaches the upper limit for the associated instance.
  • DiskIOPSExceedDiskMaxLimit: indicates the event that is triggered when the number of IOPS on a disk reaches the upper limit for the disk.
  • DiskBPSExceedDiskMaxLimit: indicates the event that is triggered when the number of BPS on a disk reaches the upper limit for the disk.
DiskIOHang
ResourceIdstringNo

The resource ID.

d-bp67acfmxazb4p****
ResourceTypestringNo

The type of resource. Valid values:

  • disk.

Default value: disk.

disk
StatusstringNo

The status of event. Valid values:

  • WillExecute
  • Executing
  • Executed
  • Ignore
  • Expired
  • Deleted
WillExecute
StartTimestringNo

The beginning of the time range to query. Specify the time in the ISO 8601 standard in the yyyy-MM-ddTHH:mm:ssZ format. The time must be in UTC.

2023-06-01T03:00:00Z
EndTimestringNo

The end of the time range to query. Specify the time in the ISO 8601 standard in the yyyy-MM-ddTHH:mm:ssZ format. The time must be in UTC.

2023-06-01T04:00:00Z
MaxResultsintegerNo

The maximum number of entries per page. If you specify MaxResults, MaxResults and NextToken are used for a paged query.

Valid values: 1 to 100.

Default value: 10.

10
NextTokenstringNo

A pagination token. It can be used in the next request to retrieve a new page of results.

AAAAAdDWBF2****

Response parameters

ParameterTypeDescriptionExample
object

Schema of Response

RequestIdstring

Id of the request

473469C7-AA6F-4DC5-B3DB-A3DC0DE3****
TotalCountinteger

The total number of entries returned.

1
NextTokenstring

A pagination token. It can be used in the next request to retrieve a new page of results.

AAAAAdDWBF2****
ResourceEventsarray<object>

The events.

resourceEventobject
EventTypestring

The type of the event. Valid values:

  1. Notification
  2. SystemException
  3. Alert
Alert
EventNamestring

The name of the event. Valid values:

  • NoSnapshot: indicates the event that is triggered because no snapshot is created for a disk to protect data on the disk.
  • BurstIOTriggered: indicates the event that is triggered when a burst I/O operation is performed on a disk.
  • CostOptimizationNeeded: indicates the event that is triggered when cost optimization is required.
  • DiskSpecNotMatchedWithInstance: indicates the event that is triggered because the specifications of a disk do not match the instance to which the disk is attached.
  • DiskIONo4kAligned: indicates the event that is triggered because the physical and logical sectors involved in a read or write operation are not 4K aligned.
  • DiskIOHang: indicates the event that is triggered when an I/O hang occurs on a disk.
  • InstanceIOPSExceedInstanceMaxLimit: indicates the event that is triggered when the number of IOPS on an instance reaches the upper limit.
  • InstanceBPSExceedInstanceMaxLimit: indicates the event that is triggered when the number of BPS on an instance reaches the upper limit.
  • DiskIOPSExceedInstanceMaxLimit: indicates the event that is triggered when the number of IOPS on a disk reaches the upper limit for the associated instance.
  • DiskBPSExceedInstanceMaxLimit: indicates the event that is triggered when the number of BPS on a disk reaches the upper limit for the associated instance.
  • DiskIOPSExceedDiskMaxLimit: indicates the event that is triggered when the number of IOPS on a disk reaches the upper limit for the disk.
  • DiskBPSExceedDiskMaxLimit: indicates the event that is triggered when the number of BPS on a disk reaches the upper limit for the disk.
DiskIOHang
ResourceIdstring

The ID of the resource.

d-bp67acfmxazb4p****
ResourceTypestring

The type of the resource.

disk
Statusstring

The status of the event. Valid values:

  1. WillExecute
  2. Executing
  3. Executed
  4. Ignore
  5. Expired
  6. Deleted
WillExecute
StartTimestring

The start time of the event, expressed as the number of milliseconds after Jan 1, 1970 00:00:00 UTC.

1684204822000
Descriptionstring

The description of the event.

need snapshot
RecommendActionstring

The recommended action after the event occurred. Valid values:

  • ModifyDiskSpec
  • CreateSnapshot
  • ResizeDisk
  • AdjustProvision
  • ModifyInstanceSpec
AdjustProvision
RecommendParamsstring

The codes of the parameters for the recommended action after the event occurred.

4296
EventLevelstring

The level of the event. Valid values:

  1. INFO
  2. WARN
  3. CRITICAL
INFO
EndTimestring

The end time of the event, expressed as the number of milliseconds after Jan 1, 1970 00:00:00 UTC.

1679538083000

Examples

Sample success responses

JSONformat

{
  "RequestId": "473469C7-AA6F-4DC5-B3DB-A3DC0DE3****",
  "TotalCount": 1,
  "NextToken": "AAAAAdDWBF2****",
  "ResourceEvents": [
    {
      "EventType": "Alert",
      "EventName": "DiskIOHang",
      "ResourceId": "d-bp67acfmxazb4p****\n",
      "ResourceType": "disk",
      "Status": "WillExecute",
      "StartTime": "1684204822000",
      "Description": "need snapshot",
      "RecommendAction": "AdjustProvision",
      "RecommendParams": "4296",
      "EventLevel": "INFO",
      "EndTime": "1679538083000"
    }
  ]
}

Error codes

HTTP status codeError codeError messageDescription
403ForbiddenUser is not authorized to operate.You are not authorized to manage the resource. Check the account permissions or contact the Alibaba Cloud account.
403Forbidden.ActionUser is not authorized to operate this action.You are not authorized to perform this operation. Check the account permissions or contact the Alibaba Cloud account.
404NoSuchResourceThe specified resource does not exist.The specified resource does not exist.
500InternalErrorThe request processing has failed due to some unknown error, exception or failure.An internal error has occurred.
504RequestTimeoutThe request is timeout, please try again later.The request has timed out. Try again later.

For a list of error codes, visit the Service error codes.

Change history

Change timeSummary of changesOperation
2024-08-19The Error code has changedView Change Details