Update Management

Password Update

MRS supports password update. You are advised to change the password periodically according to the following guidance to improve system security:

• Changing the password of a system user: See Changing the Password for User admin and Changing the Password for an OS User.

• Changing the Password for a System Internal User

• Changing the Password for a Database User

Certificate Update

Both the CA certificate and HA certificate of MRS can be replaced. You can replace the default certificates of a cluster according to the following guidance:

• The MRS CA certificate is used to encrypt data during the communication between the client and the server of a component to ensure communication security. For details about how to replace a CA certificate, see Replacing the CA Certificate.
• The HA certificate is used to encrypt data during the communication between active/standby processes and HA processes to ensure communication security. For details about how to replace an HA certificate, see Replacing HA Certificates.