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Manually Scaling Down Disk Space

Updated on 2025-01-26 GMT+08:00

As data volumes decrease, you can scale down disk space to avoid low database node utilization and resource waste.

Usage Notes

  • To scale down storage, ensure the new storage space is at least 1.25 times more than the used space and rounded up.
  • Scaling down storage does not interrupt your services, and you do not need to restart your instance.
  • If your instance is a yearly/monthly instance and its storage is used up, you will be billed on a pay-per-use basis for any additional storage. Scale up your storage space, and you can pay for the additional storage at yearly/monthly rates.
  • The storage details can be displayed on the Instances page. To query the details, choose Service Tickets > Create Service Ticket in the upper right corner of the console and contact customer service.

Procedure

  1. Log in to the Huawei Cloud console.
  2. In the service list, choose Databases > GeminiDB Cassandra API.
  3. On the Instances page, locate the target instance and choose More > Scale Storage Space in the Operation column.

    Click the instance name. In the Storage Space area on the Basic Information page, click Scale.

  4. On the displayed page, specify a new storage space and click Next.

    Figure 1 Scaling down storage space

    Select at least 1 GB each time, and the value must be an integer.

  5. On the displayed page, confirm the storage space.

    • Yearly/Monthly
      • To modify your settings, click Previous to go back to the page where you specify details.
      • If you do not need to modify your settings, click Next and complete the payment.
    • Pay-per-use
      • To modify your settings, click Previous to go back to the page where you specify details.
      • If you do not need to modify your settings, click Submit.

  6. Check the results.

    • During the scale-down process, the instance status becomes Scaling storage space.
    • After the scaling process, the instance status becomes Available.
    • Click the instance name. In the Storage Space area on the Basic Information page, check the new storage space.

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