By default, the Ranger data source of the security cluster can be accessed by FusionInsight Manager LDAP users. By default, the Ranger data source of a common cluster can be accessed by Unix users.
ranger.usersync.sync.source <value model="NoSec">ldap</value>
su - omm
sh /opt/Bigdata/om-server_8.1.2.2/om/sbin/restart-controller.sh
When the controller process is restarted, the Manager page cannot be accessed for a short period of time, which is normal. After the controller process is restarted, you can access the MRS Manager page properly.