HP B6960-90078 - Manual (Page 278)

Backup
Using Backup Options
Chapter 5 248
Use Shadow Copy (Windows-Specific Option)
When performing filesystem backup on Windows Sever 2003 systems,
Data Protector uses MS Volume Shadow Copy service (VSS) for
coordinating the point-in-time backup. VSS allows you to create shadow
copy backups of volumes and exact point-in-time copies of files, including
all open files. This means that the VSS mechanism commits all pending
I/O operations and holds incoming writing requests during the
preparation of a shadow copy volume. In this way all files on the
filesystem are closed and unlocked during the shadow copy creation.
User Defined Backup Variables
Set user defined backup variables (a variable name and its value) to
enable flexible operation on some platforms and integrations with Data
Protector. For detailed steps, refer to the online Help index keyword
“setting user definable backup variables”.
The list of variables and their values that are configurable with Data
Protector is dynamic and comes with Data Protector patches.
Figure 5-35 User Defined Variables