HP 3PAR Application Software Suite for Microsoft SQL Licenses - Manual (Page 12)

The HP 3PAR VSS Provider Software coordinates between Requestors (backup applications such
as Recovery Manager), Writers (applications in windows services such as Microsoft SQL Server)
and Providers (components that create the shadow copies).
VSS Component Description VSS Component
The requestor is backup software that initiates the creation
of the shadow copy. Requestor
The writer is any application software that participates in
the shadow copy process and whose files and data are
included in the process. Writer
The provider is the storage technology that does the actual
shadow copy. Provider
Supported VSS Components
Requestor:
•
Recovery Manager
•
Symantec NetBackup for Microsoft Windows
•
HP Data Protector for Microsoft Windows
Writer:
•
Microsoft SQL Server 2005, 2008, and 2008 R2 with SQL Server Writer
NOTE: For platform-specific release levels, refer to the latest HP 3PAR InForm OS Configuration
Matrix. To obtain a copy of this documentation, go to http://www.hp.com/go/3par/ , navigate
to your product page, click Support for your product, and then click Manuals.
How HP 3PAR VSS Software Works with Microsoft SQL Server
Figure 1 HP 3PAR VSS Provider Software for Microsoft Windows Operation Overview
1. The requestor (HP 3PAR Recovery Manager) sends a command to the Volume Shadow Copy
service to take a shadow copy of the selected Microsoft SQL Server database.
12 Overview of Recovery Manager