Help Center/ MapReduce Service/ User Guide/ MRS Cluster O&M/ MRS Cluster Security Configuration/ Changing the Passwords for Database Users of an MRS Cluster/ Changing the Password for an OMS Database Access User
Updated on 2024-09-23 GMT+08:00
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Changing the Password for an OMS Database Access User

This section describes how to regularly change the password for an OMS database access user to enhance 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.

Changing the Password for an OMS Database Access User (MRS 3.x or Later)

  1. Log in to FusionInsight Manager and choose System > OMS > gaussDB > Change Password.
  2. Locate the row that contains the user omm and click Change Password in the Operation column.
  3. In the displayed dialog box, enter the password for the current login user and click OK.
  4. Enter the old and new passwords as prompted.

    The password must meet the following complexity requirements:

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

  5. Click OK. Wait until the system displays a message indicating that the operation is successful.
  6. Locate the row that contains the user omm and click Restart OMS Service in the Operation column.
  7. In the displayed dialog box, enter the password for the current login user and click OK.
  8. In the displayed confirmation dialog box, click OK.

Changing the Password for an OMS Database Access User (MRS 2.x or Earlier)

  1. Log in to MRS Manager and click System.
  2. In the Permission area, click Change OMS Database Password.
  3. Locate the row that contains the user omm and click Change Password in the Operation column.

    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: uppercase letters, lowercase letters, digits, and special characters ('~!@#$%^&*()-_=+\|[{}];:'",<.>/?).
    • The password cannot be the username or the reverse username.
    • The password cannot be the same as the last 20 historical passwords.

  4. Click OK. When Operation successful is displayed, click Finish.
  5. Locate the row that contains the user omm and click Restart OMS Service in the Operation column.

    If the password is changed but the OMS database is not restarted, the status of the user omm changes to Waiting to restart and the password cannot be changed until the OMS database is restarted.

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