Parameter | Description |
Attach | Specify whether to attach the cloud disk to an ECS instance. Not Attach: creates a cloud disk without attaching the disk to an ECS instance. If you select this option, you can create only pay-as-you-go cloud disks. If you create a cloud disk that is not a Regional Enterprise SSD (ESSD), you can attach the cloud disk only to an ECS instance that resides in the same zone. Proceed with caution when you configure the Region and Zone parameters. Attach to ECS Instance: creates a cloud disk and attaches the disk to a specific ECS instance. If the cloud disk is not a Regional ESSD, you can attach the disk only to an ECS instance that resides in the same zone. If the cloud disk is a Regional ESSD, you can attach the disk to an ECS instance in the same region regardless of the zone. For information about the limits of Regional ESSDs, see Limits. If you select this option, you must select a region and then select an ECS instance from the ECS Instance drop-down list.
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Billing Method | Specify the billing method of the cloud disk. |
Cloud Disk | Select a disk category and specify the disk capacity. Take note of the following parameters: Performance Level: You can specify performance levels only for ESSDs. You can select a performance level based on the capacity of the ESSD. The performance of an ESSD varies based on the capacity and performance level of the ESSD. For more information, see ESSDs. Create from Snapshot: Select a snapshot to create cloud disks. The created cloud disks contain data from the selected snapshot. For more information, see Create a data disk from a snapshot. Multi-attach: You can select this option to enable the multi-attach feature for ESSD-series disks. This way, you can attach each ESSD-series disk to multiple ECS instances in the same zone. For more information, see Multi-attach for cloud disks. Encryption: Specify whether to encrypt the cloud disk. If you select this option, data stored on the created cloud disk is automatically encrypted. For more information, see Encrypt cloud disks. Enable Performance Provision and Enable Performance Burst: You can select these options to enable the performance provision and performance burst features when you create ESSD AutoPL disks. For more information, see ESSD AutoPL disks. Release settings: If you set the Attach parameter to Attach to ECS Instance and the Billing Method parameter to Pay-as-you-go, you can select the release options to automatically release the created cloud disk when the associated ECS instance is released and automatically delete the automatic snapshots of the created cloud disk when the disk is released.
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