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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 | VSS Component Description |
Requestor | The requestor is backup software that initiates the creation |
| of the shadow copy. |
Writer | The writer is any application software that participates in |
| the shadow copy process and whose files and data are |
| included in the process. |
Provider | The provider is the storage technology that does the actual |
| shadow copy. |
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
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