If the cluster storage space cannot meet your business needs, you can adjust it as needed.
This document introduces how to adjust the storage space for clusters with pre-configured resources as the instance type. Clusters with a serverless instance are charged for storage space on a pay-as-you-go basis, without needing to pre-purchase storage space. However, there is a storage space limit corresponding to the compute unit configuration. For details, refer to Compute Unit. If you need to adjust the compute unit configuration to obtain a higher storage space limit, refer to Modifying Cluster Compute Unit Configuration.
Note:
For clusters with pre-configured resources as the instance type, if both the compute and storage resource billing modes are pay-as-you-go, there is no need to expand the storage space. The maximum available storage capacity is that of the cluster's read-write instance corresponding to the compute specifications. To use storage space beyond this limit, you can upgrade the compute specifications of the read-write instance. Furthermore, you can convert pay-as-you-go to monthly subscription to adjust the storage space after changing the cluster billing mode to monthly subscription. However, note that billing modes temporarily do not support switching back from monthly subscription to pay-as-you-go. For more information, refer to Product Specifications.
For clusters with pre-configured resources as the instance type, if the compute billing mode is monthly subscription and the storage billing mode is pay-as-you-go, since the storage billing mode supports switching from pay-as-you-go to monthly subscription, you can adjust the storage space at the same time as you make the switch.
If the storage billing mode is monthly subscription, you can adjust the cluster storage space in the console. To use a storage space larger than the maximum capacity of the current compute specifications, upgrade the compute specifications of the read-write instance. For more information, refer to Product Specifications.
If the storage space is monthly subscribed, the new storage space will be charged from the time it is adjusted until the cluster expires.
Directions
Note:
The prepaid storage specifications after adjustment must exceed the used storage capacity.
Changing the storage billing mode will not affect existing operations.
Scenario 1: The storage billing mode is pay-as-you-go, and you need to use a storage space larger than the maximum storage space of the current compute specifications
If the storage space is pay-as-you-go, you don’t need to expand it. The maximum storage space you can use is the same as that of the computing specification for the read-write instance. To use more storage space, you can upgrade the compute specifications for the read-write instance. For directions, see Adjusting Compute Configuration. For more information on compute node specifications and corresponding maximum storage spaces, see Product Specifications.
Scenario 2: The storage billing mode is pay-as-you-go, and you need to switch it to monthly subscription and specify the storage space
On the cluster list page, proceed based on the actually used view mode:
Tab view
List view
1. Log in to the TDSQL-C for MySQL console, and click the target cluster in the cluster list on the left to enter the cluster management page.
2. Select the billing mode on the cluster management page and click
.
3. In the setting window that pops up, select Monthly Subscription for the billing mode, specify the storage space size, and click OK to make the payment.
1. Log in to the TDSQL-C for MySQL console, and click ID of the target cluster in the cluster list or Manage in the Operation column to enter the cluster management page.
2. Select Cluster Details > Configuration Info > Database Storage (Used/Total) and click
.
Note:
You can also click Billing Info > Storage Billing on the cluster details page, and click
for adjustment.
3. In the pop-up window, select Monthly Subscription for the billing mode, specify the storage space size, and click OK to make the payment.
Scenario 3: The storage billing mode is monthly subscription, and you need to adjust the storage space
On the cluster list page, proceed based on the actually used view mode:
Tab view
List view
1. Log in to the TDSQL-C for MySQL console, and click the target cluster in the cluster list on the left to enter the cluster management page.
2. Select the billing mode on the cluster management page and click
.
Note:
You can also adjust the distributed storage module under the cluster details page by clicking Expand next to the storage specification.
3. In the pop-up window, select the storage space and click OK to make the payment.
1. Log in to the TDSQL-C for MySQL console, and click ID of the target cluster in the cluster list or Manage in the Operation column to enter the cluster management page.
2. Select Cluster Details > Configuration Info > Database Storage (Used/Total) and click
.
Note:
You can also click Billing Info > Storage Billing on the cluster details page, and click
for adjustment.
3. In the pop-up window, select the storage space and click OK to make the payment.
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