Ingres 9.2 Migration Guide - Actian

How You Perform an Upgrade Using Unload/Reload25. Recreate users, groups, and roles.26. Recreate locations.27. [Each DB] Recreate the database.28. [Each DB] Extend the database.29. Recreate database privileges.30. [Each DB] Fix FE reload script.31. [Each DB] Reload the database.32. [Each DB] Upgrade front-end catalogs.33. [Each DB] Reapply optimizer statistics.34. [Each DB] Checkpoint the database.35. Install upgraded applications.For details on these steps, see the following sections.Create Unload DirectoryYou should create a directory to hold scripts and data from the unloadeddatabase.Note: This directory requires a large amount of disk space. As an estimate,the unloaded data is about the same size as the Ingres database; however,compressed data can expand to take up much more space than the Ingresdatabase.To create a directory, issue the following commands for each database:UNIX:mkdir /someplace/dbnamechmod 777 /someplace/dbnameWindows:mkdir d:\someplace\dbnameUpgrading Using Unload/Reload 57