Preparing Your Cluster to Upgrade Ranger
If you are not currently using Ambari to manage your Hadoop cluster, you will need to upgrade Ranger manually to the latest version. This section describes the steps you need to follow to prepare your cluster for the Ranger upgrade.
Back up the following Ranger configuration directories:
Ranger Policy Administration Service
/usr/lib/xapolicymgr
Ranger UserSync
/usr/lib/uxugsync or /etc/uxugsync (Depending on your installation)
Ranger Plugins:
Hadoop
/etc/hadoop/conf
Hive
/etc/hive/conf
HBase
/etc/hbase/conf
Knox
/etc/knox/conf
Storm
/etc/storm/conf
Backup the Ranger Policy and Audit databases. Make sure to take note of the following details in the
install.propertiesfile:db_host
db_name
db_user
db_password
policy manager configuration
LDAP directory configuration
LDAP settings
LDAP AD domain
LDAP URL