Table of Contents
The CMM is a new layer in the MDS which cares about all clustered metadata issues and relationships. The CMM does the following:
2. CMM functionality
CMM chooses all servers involved in operation and sends depended request if needed. The calling of remote MDS is a new feature related to the CMD. CMM mantain the list of MDC to connect with all other MDS.
The CMM can allocate two types of object - local and remote. Remote object can occur during metadata operations with more than one object involved. Such operation is called as cross-ref operation.