3.1 Pre-installation Tasks

Check the system environment below before installing Fujitsu Enterprise Postgres.

Check the disk space

Ensure that there is sufficient disk space to install Fujitsu Enterprise Postgres.

Refer to "2.6 Disk Space Required for Installation" for information on the required disk space.

Reconfigure the disk partition if disk space is insufficient.

Set JAVA_HOME (SLES only)

Ensure that JRE 8 is installed, and export the JAVA_HOME environment variable.

#export JAVA_HOME="Jre8InstallDir"

Refer to "Appendix L Procedure when Modifying the JRE Installation" for information on modifying JRE after installation.

Executable Users

Installation and uninstallation is performed by superuser.

On the system, run the following command to become superuser.

$ su -
Password:******

Check the installed products and determine the installation method

Using the operation shown below, start Uninstall (middleware), and check the installed products.

Example

# /opt/FJSVcir/cimanager.sh -c
Loading Uninstaller...


Currently installed products
1. productName
2. productName
3. productName
4. productName
5: productName

Type [number] to select the software you want to uninstall.
[number,q]
=>q



Exiting Uninstaller.

If Fujitsu Enterprise Postgres is already installed, determine which installation method to use:

Reinstallation
Multi-version installation

Remove applied updates

If you perform reinstallation as the installation method, remove applied updates using the procedure shown below.

Note

If a product is installed without removing applied updates, the following problems will occur:

Performing reinstallation
If an update with the same update and version number is applied, an error informing you that the update has already been applied is displayed.
Perform reinstallation after removing the update.

1. Display the applied updates

Execute the following command to display the applied updates:

# /opt/FJSVfupde/bin/uam showup

2. Remove the updates

Execute the command below to remove the updates. If an update with the same update number was applied more than once, the updates are removed in order, starting from the highest version number.

# /opt/FJSVfupde/bin/uam remove -i update-number

Note

If the installation directory/lib is set in the environment variable LD_LIBRARY_PATH for the running user, remove the installation directory/lib from LD_LIBRARY_PATH.

Determine the preferred WebAdmin configuration

Starting with Fujitsu Enterprise Postgres 9.5, WebAdmin can be installed in two configurations:

Single-server
Multiserver

See

Refer to "Appendix I Determining the Preferred WebAdmin Configuration" for details.

Determining the Pgpool-II System Configuration

The system configuration when using Pgpool-II is as follows:

Place on database server
Place on application server
Place on dedicated server

See

Refer to "Appendix J System Configuration when using Pgpool-II".