In Data Management (DMS), you can disable or enable database instances based on your business requirements. This topic shows you how to disable and enable a database instance and how to view the reason why a database instance is disabled.

Prerequisites

You are a database administrator (DBA) or a DMS administrator. For more information about user roles, see View owned system roles.

Usage notes

Operation Description
Disable a database instance If you do not allow other DMS users to query or change the data of a specific database instance, you can disable the database instance.
Note
  • A disabled database instance is unavailable in DMS and is removed from the left-side instance list on the homepage of the DMS console. In addition, you cannot retrieve the databases and tables in the database instance by searching for them in the DMS console. However, a disabled database instance can still run as normal and is available in other Alibaba Cloud services.
  • A disabled database instance consumes the quota of the control mode. If you no longer need to use the database instance in DMS, delete the database instance to release resources. For more information, see Remove database instances.
View the reason why a database instance is disabled You can check whether a database instance is manually disabled or view the reason why a database instance is disabled.
Enable a database instance If you want to query or change the data of a disabled database instance in DMS, you must first enable the database instance.
Note After the database instance is enabled, you can query or change the data of the database instance in DMS, and the database instance appears in the left-side instance list on the homepage of the DMS console.

Procedure

  1. Log on to the DMS console V5.0.
    Note To switch to the previous version of the DMS console, click the 5租户头像 icon in the lower-right corner of the page. For more information, see Switch to the previous version of the DMS console.
  2. In the top navigation bar, click Data Assets. In the left-side navigation pane, click Instance.
    Note If you are using the previous version of the DMS console, move the pointer over the More icon in the top navigation bar and choose System > Instance.
  3. Click the Instance List tab.
  4. Disable and enable a database instance, and view the reason why a database instance is disabled.
    • Disable a database instance
      1. Find the database instance that you want to disable, move the pointer over More in the Actions column, and then select Forbidden instance.
      2. In the Disable instance message, click OK.
    • View the reason why a database instance is disabled
      1. Optional:In the upper-right corner of the tab, click Expand filter.
      2. Select Disable from the Status drop-down list and click Search. The disabled database instances appear.
      3. Move the pointer over Disable in the Status column of a database instance to view the reason why the database instance is disabled.
    • Enable a database instance
      1. Optional:In the upper-right corner of the tab, click Expand filter.
      2. Select Disable from the Status drop-down list and click Search. The disabled database instances appear.
      3. Find the database instance that you want to enable, move the pointer over More in the Actions column, and then select Enable instance.
      4. In the Enable instance message, click OK.