MVFS uses the view to dynamically select file and directory versions out of the VOB for user access. In addition, on the NT platform only, ClearCase provides a snapshot mechanism that allows users to copy file versions selected by a view into a Snapshot directory. All three components may be located on the same or on different machines in the network. Each storage pool has its own set of characteristics. However, if data is lost it cannot be reconstructed, only restored from a backup.
Reliability is essential.
Like cleartext pools, the data can be reconstructed, though it can be painful. Poor performance can lead to unacceptably long build processes. In addition to the VOB and view servers, ClearCase also has a license server from which a user must obtain a ClearCase license before accessing the ClearCase environment, and a registry server which contains a list of all the views and VOBs which are available to a user. There are two components of View storage, the database and the view-private storage. View Storage Components 2.