Limber#Limber EDirectory Background Processes is responsible with maintaining NDS Tree connectivity and periodically, each NcpServer in the NDS tree checks and verifies that it still knows the correct tree name.
Limber is the process that performs Agent Configuration Synchronization. Limber (may also be referred to as Connectivity Check) may trigger other processes to refresh their configuration (i.e. LDAP, etc.)
Limber process typically runs when a tree name changes or with IP or IPX address changes. A NcpServer holding the Master NDS Partition needs to send out the request. Additionally, the Limber process will run when the Master NDS Partition of a server receives change information from another NcpServer/partition on the NDS tree.
After questioning several sources, it is still unclear to me why this process is named Limber, so that will remain a mystery for now. However, naming issues aside, Limber is an EDirectory Background Processes that is responsible for
- Making sure that the eDirectory referral information for this server is properly maintained in each partition hosted on this NcpServer.
- Making sure that the NcpServer hosting the Master replica of the partition in which the Server object for this NcpServer resides has the correct Relative Distinguished Name (RDN) for this server.
- Making sure the server object in eDirectory correctly reflects the Operating System version and NetworkAddress in use on this server.
- Making sure the name of the eDirectory tree in which this server resides is correctly reported.
- Monitoring the NDS External References/DRL links between this server and the partition replica that holds this server's eDirectory Server object. This is done to make sure that the eDirectory server can be properly accessed via its eDirectory object.
- Making sure this server's identification information is correct.
Limber can be monitored indirectly through
- Ndsrepair using the Check External Reference, Report Synchronization Status, and Replica Ring repair options.
- Ndstrace (LMBR Flag) also provides the ability to monitor Limber directly.