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Introduction to NetBackup for SQL Server Technical overview

  • Dbbackex.exe makes function calls to dbbackmain.dll (4) to facilitate a backup or a restore operation. The operation is carried out as dbbackmain.dll facilitates one or more data streams between SQL Server and NetBackup server. The data stream (7) is established through VDI (5) and the XBSA interface (6). VDI interacts with SQL Server whereas XBSA interacts with the NetBackup database client.

Figure 1-1

NetBackup for SQL Server components

NetBackup client

NetBackup server

2

bphdb.exe

1

dbbackex.exe

NetBackup server

4

dbbackmain.dll

6

3

8

9

5

VxBSA.dll

NetBackup Media Manager

dbbackup.exe

SQL Server DBMS

7

  • The NetBackup for SQL Server GUI (dbbackup.exe) allows you to browse for SQL Server objects, normally, databases, filegroups, and database files. dbbackup.exe invokes dbbackmain.dll (8) for accessing the SQL Server master database. NetBackup for SQL Server accesses information about SQL Server using ODBC.

  • The NetBackup for SQL Server GUI (dbbackup.exe) also allows you to browse for SQL backup images. The NetBackup catalog contains the images you can browse. To access the contents of the catalog the GUI invokes dbbackmain.dll, which uses VxBSA function calls to access the NetBackup Server database manager.

How does NetBackup for SQL Server back up a database?

The NetBackup MS SQL Client has an object browser from which you can select the databases or the database components that you want to back up. When you

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