In my last entry I have written about quorum and epsilon. In this article, I have explained that a Ontap Cluster always have a master node – often called RDB Master. In this entry I would like to explain what RDB is. This article is valid for both NetApp cDOT (ONTAP 8.x) as well as ONTAP 9.x
RDB
A Replicated Database (often referred as RDB) is a basis of ONTAP Cluster. This database contains cluster configuration information divided into RDB units. The RDB does not contain any user data, instead it provides a single point of management of all nodes within the cluster. Continue reading