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AZ See Available Zone E Elastic Volume Service Elastic Volume Service (EVS) disks are a type of virtual block storage devices that use the distributed architecture and can be elastically expanded. You can operate EVS disks online.
For details about EVS billing, see Billing for EVS Disks. Parent Topic: Expanding the EVS Disk Capacity
Adding an EVS Disk Application Scenario Create an EVS disk and attach it to the ECS.
Querying All EVS Disk Transfers Function This API is used to query all EVS disk transfers of the current tenant. Calling Method For details, see Calling APIs.
Deleting an EVS Disk Transfer Function This API is used to delete a disk transfer. A disk transfer can be deleted if it is not accepted. Accepted disk transfers cannot be deleted. Calling Method For details, see Calling APIs.
Querying Details About an EVS Disk Function This API is used to query details about an EVS disk. Calling Method For details, see Calling APIs.
Parent Topic: EVS Volumes
Creating EVS Disks (Deprecated) Function This API is used to create one or multiple EVS disks. This API call exists for compatibility reasons only and is not meant to be used. Use another API. Calling Method For details, see Calling APIs.
Unsubscribing from Yearly/Monthly EVS Disks Function This API is used to unsubscribe from yearly/monthly EVS disks. It has the following constraints: It cannot be used to unsubscribe from system disks and bootable disks.
Querying EVS Disks (Deprecated) Function This API is used to query all EVS disks. This API has been deprecated. Use another API. Calling Method For details, see Calling APIs.
Querying Details About an EVS Disk Type Function This API is used to query details about an EVS disk type. Calling Method For details, see Calling APIs.
Parent Topic: Managing EVS Disks
If the original capacity of an EVS disk is 4096 GB, the disk capacity cannot be expanded. After the instance is stopped, the expanded capacity still takes effect. The billing is based on the expanded EVS disk capacity. An EVS disk is billed as long as it is used.
Querying Details About All EVS Disks Function This API is used to query details about all EVS disks. Calling Method For details, see Calling APIs.
Batch Deleting Tags from a Specified EVS Disk Function This API is used to batch delete tags from a specified EVS disk. Calling Method For details, see Calling APIs.
Parent Topic: Managing EVS Disks
Attaching an EVS Disk (Deprecated) Function This API is only used to change the EVS disk status from available to in-use. Note: This API call exists for compatibility reasons only and is not meant to be used. Constraints Do not call this API to attach an EVS disk.
Detaching an EVS Disk (Deprecated) Function This API is only used to change the EVS disk status from in-use to available. Note: This API call exists for compatibility reasons only and is not meant to be used. Constraints Do not call this API to detach an EVS disk.
Querying the EVS Capacity Function Query the total, allocated, and remaining quantities of physical storage servers used by the EVS service.
Example Requests Exporting an EVS disk as an image (If the container type of the exported image is bare, the format of the exported image is VHD, the OS type of the exported image is Linux, and the EVS disk is in the in-use state, you can forcibly export the image.)
