This topic describes the Installation Factory installer
program for WebSphere Application Server products. The install command
starts the InstallShield for Multiplatforms (ISMP) Installation wizard.
The Installation Factory installer program for WebSphere Application
Server installs the customized installation package (CIP).
The Installation Factory installer for WebSphere Application Server
is based on the Version 6.x full installer program. The Installation
Factory installer program is sometimes referred to as the Installation
wizard or the Installation Factory Installation wizard.
The Installation wizard has the capability to perform a new product
installation, an incremental installation by adding features to an
existing installation, or an update to an existing installation that
updates the installation to a new service level. The term slip
install is sometimes used to describe an update to an existing
installation that updates the installation to a new service level.
When a CIP is created, the fix packs, which are included in the
CIP, are merged with the original installation packages. Interim
fixes are not merged with the original installation packages. This
way or merging has several implications:
- When a CIP is used to initially install the product, the initial
fix pack level is "permanent". For example, if the CIP is created
with WebSphere Application Server V6.1 and fix pack 23 is included,
then it is not possible to uninstall fix pack 23. The minimum version
of the product in this example 6.1.0.23
- A CIP can deliver a "slip install", which upgrades an existing
product installation to a higher fix pack level. For example, if
WebSphere Application Server V6.1.0.19 defines the installation.
You can use a fix pack 21 delivered as a CIP slip install to upgrade
the existing installation to V6.1.0.21.
- A product upgrade delivered via a "slip install" can be removed
from the product later. In the previous point, the installation was
upgraded to V6.1.0.21. If you want to uninstall fix pack 21, which
was delivered via the CIP slip install, then you may do so.
- A CIP can deliver interim fixes. When a CIP installs a new product
or upgrades an existing product, all of those interim fixes included
in the CIP are installed. One or more of those interim fixes can
later be uninstalled using the Update Installer. All of the interim
fixes must be individually uninstalled prior to uninstalling the fix
pack delivered via the CIP slip install.