The data store is a logical definition of the place where backed up data are stored. Each unit can consist of one or several tracks, they are also in different locations.
If any of the storage paths becomes unavailable, the system will not allow the recording of data in the storage data, however, still be possible, however, to read this storage.
If the entire storage becomes unavailable due to failure or problems with the connection, the system will ignore it, until the problem will be solved.
