• MapReduce Service

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  5. Security Management
  6. Changing the Password for the Data Access User of the OMS Database

Changing the Password for the Data Access User of the OMS Database

Scenario

Periodically change the password for the OMS data access user to ensure the system O&M security.

Impact on the System

The OMS service needs to be restarted for the new password to take effect. The service is unavailable during the restart.

Procedure

  1. On MRS Manager, click System.
  2. In the Permission area, click Change OMS Database Password.
  3. Locate the row that contains user omm and click Change password in Operation to change the password for the OMS database user.

    The password complexity requirements are as follows:

    • The password must contain 8 to 32 characters.
    • The password must contain at least three types of the following: lowercase letters, uppercase letters, digits, and special characters which can only be ~`!@#$%^&*()-+_=\|[{}];:",<.>/?
    • The password cannot be the same as the username or reverse username.
    • The password cannot be the same as the last 20 historical passwords.

  4. Click OK. After Operation succeeded is displayed, click Finish.
  5. Locate the row that contains user omm and click Restart the OMS service in Operation to restart the OMS database.

    NOTE:

    If you do not restart the OMS database after changing the password, the status of user omm changes to Waiting to restart. In this state, you cannot change its password again until the OMS database is restarted.

  6. In the dialog box that is displayed, select I have read the information and understand the impact, click OK, and then restart the OMS service.