Changing the EVS Disk Type (OBT)
Notes and Constraints
Phase |
Description |
---|---|
Before the change |
|
During the change |
|
After the change |
In rare cases, the disk type may fail to be changed due to a backend issue. If this happens, try again later. |
The following table shows the supported changes between disk types.
Supported changes between disk types vary depending on regions. See the allowed changes on the console.
Source Disk Type |
Disk Type After Change |
---|---|
General Purpose SSD V2 |
General Purpose SSD V2 (IOPS or throughput, or both changed), Ultra-high I/O, General Purpose SSD, or Extreme SSD |
Extreme SSD |
General Purpose SSD V2 (IOPS or throughput, or both changed), Ultra-high I/O, or General Purpose SSD |
Ultra-high I/O |
General Purpose SSD V2 (IOPS or throughput, or both changed), Extreme SSD, or General Purpose SSD |
General Purpose SSD |
General Purpose SSD V2 (IOPS or throughput, or both changed), Extreme SSD, or Ultra-high I/O |
High I/O |
Extreme SSD, Ultra-high I/O, or General Purpose SSD |
Common I/O (previous generation product) |
Extreme SSD, Ultra-high I/O, General Purpose SSD, or High I/O |
Impact on the System
Read and write operations on the disk are not affected.
Procedure
- Log in to the management console.
- Click in the upper left corner and choose Storage > Elastic Volume Service.
The Elastic Volume Service page is displayed.
- In the disk list, locate the target disk, click More in the Operation column, and choose Modify Specifications.
The Modify Specifications page is displayed.
- Select a disk type from the drop-down list.
To change to the General Purpose SSD V2 type, you also need to specify the disk IOPS and throughput.
The system shows you the new price based on your selection.
- Click Submit.
The disk list is displayed, and the disk status is Changing disk type, indicating that the disk type is being changed. After the disk type changes to the target type, the operation is successful.
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