HP StorageWorks P9000 Replication Manager Software 7.1 CLI User Guide (TB584-96026, May 2011)

and the database must be frozen. If VSS is used, however, the OS functionality
can control transactions for database applications and I/O operations for a
volume, and the database can be frozen without the previously mentioned
suspensions. This provides higher reliability for backup operations.
To use VSS to freeze a database application, however, VSS must support the
database application. Replication Manager programs supports Exchange Server
2003, Exchange Server 2007 and Exchange Server 2010 as VSS-compliant
database applications. It also supports file system backup and restoration
operations using VSS.
VxVM An abbreviation for the logical volume manager Veritas Volume Manager.
Glossary562