The Pagestore is a physical store of data that is divided up into segments. A segment holds TDS data. TDS storage supports the B+ tree index structure, which allows fast direct access to a sequenced set of data. Each autonomous TIBCO Object Service Broker system, known as a node, has its own Pagestore.
The description of the data, including its location, is contained in a metadata file called the MetaStor. The MetaStor is located on segment 0. The following illustration shows this inter-relationship: