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Chapter 3. DB2 client deployment 99
3. Use any of the installation methods discussed earlier to install and maintain a
pruned DB2 installation image.
Considerations for a pruned DB2 installation
Consider the following precautions if you plan to prune a DB2 installation:
DB Setup wizard installation:
– With the TYPICAL installation, the regular TYPICAL components for that
product are installed without the components removed by the db2iprune
command.
– With the COMPACT installation, the regular COMPACT components for
that product are installed without the components removed by the
db2iprune command.
– With the CUSTOM installation, only the remaining components are
displayed in the feature selection panel. The components removed by the
db2iprune command are not displayed as optional components to install.
However, the removed languages will still be displayed in the language
selection panel. Ensure that you do not select a language that has been
removed from the image using the db2iprune command. If you select a
language that has been removed, you will receive an error message.
Response file installation:
– Ensure that you specify only the languages and features available in the
DB2 pruned installation image. If your response file contains components
that have been removed, you will get an error message.
–The db2iprune input file is used to specify which features and languages
are to be removed from the DB2 install image, whereas the product
response file is used to specify components that you want to install.
–The db2iprune input file is used to cut/remove unwanted features and
languages from the install image, while the product response file is used to
select components to be installed from the image. Therefore, any features
and languages that were removed using db2iprune from the image cannot
be installed if selected in the response file, and an error will be returned.
Fix pack considerations with db2iprune install
– As the DB2 fix pack installation image for Windows consists of a full
installation image, the db2iprune command can be used with fix pack
images. The fix pack application process is the same for full and pruned
images. When the DB2 fix pack is installed, it detects and updates only the
components that were installed using the db2iprune command and
ignores any components that are not installed.