The Ingres installation procedure asks for a location for temporary files and sorting, and creates the directories if they do not exist. However, you should create this location manually because some versions of the installation procedure may not properly set the protections for the directories, which can cause upgradedb to fail when upgrading the iidbdb database.

For information on placement of your default work location, see the Database Administrator Guide.

As the installation owner, assume a work location called /mywork: