SQL/MX 3.1 Database and Application Migration Guide (H06.23+, J06.12+)

HP NonStop SQL/MX Release 3.1 Database and Application Migration Guide—663853-001

5-1

Falling Back from SQL/MX Release

3.1

This section describes falling back from SQL/MX Release 3.1 to SQL/MX Release 3.0

and to SQL/MX Release 2.x.

This section addresses these topics:



Fallback paths on page 5-1



Fallback sequence on page 5-2



Fallback considerations on page 5-5



Preinstallation on page 5-6



Installing SQL/MX Release 3.0 on page 5-8



Installing SQL/MX Release 2.3.4 on page 5-8



Accessing the database on page 5-8



Installing SQL/MX Release 2.x on page 5-9



Migrating applications after system fallback on page 5-9



Changes required after falling back on page 5-9

Fallback paths

You can fall back from SQL/MX Release 3.1 to SQL/MX Release 2.3.4 or SQL/MX

Release 3.0, as shown in Figure 5-1

Note. When using new features, if you encounter an issue that is specific to SQL/MX Release

3.1, discontinue the use of those features instead of falling back from that version.

Figure 5-1. Falling Back from SQL/MX 3.1 to SQL/MX 2.3.4 or SQL/MX 3.0

SQL/MX

R2.3.4

SQL/MX

R3.1

R3.0