The installation directories for IBM® Business Process Manager are represented by several variables. The meaning of those variables can differ for a number of factors.
Variables used in the documentation
Several variables representing specific default directories are used throughout the documentation. These file paths are default locations. You can install the product and other components and create profiles in any directory for which you have write access. Multiple installations of IBM Business Process Manager products or components require multiple locations.
Here are the main variables used in the documentation:
- install_root
- Installation location of IBM Business Process Manager. IBM Business Process Manager is always installed in the same location as the WebSphere® Application Server Network Deployment installation with which it is associated.
- profile_root
- Location of an IBM Business Process Manager profile.
How variable meanings can differ
The meaning of variables used to represent installation directories can differ based on whether you are installing the product on a clean workstation or on a workstation that has an existing installation of WebSphere Application Server or WebSphere Application Server Network Deployment. The variables can also differ depending on whether you are performing the installation as a root (Administrator on a Windows system) or nonroot user.
Limitations of nonroot installers
Root, Administrator, and nonroot users can install the product. The default directories the installation program provides differ based on whether the user has root (Administrator) privileges. Root and Administrator users can register shared products and install into system-owned directories (globally shared resources that are available to all users), while nonroot users cannot. Nonroot users can install only into directories they own.
Default directories for Typical Installation
The following tables show the default installation locations of the IBM Business Process Manager base installation and its profiles during a typical installation.
| Default install_root for root or Administrator users | Default install_root for nonroot users |
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| Default profile_root for root or Administrator users | Default profile_root for nonroot users |
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| Default DB2 Express binary location | Database Instance location |
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Default directories for Custom Installation or existing installation of WebSphere Application Server or WebSphere Application Server Network Deployment
| Default install_root for root or Administrator users | Default install_root for nonroot users |
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| Default profile_root for root or Administrator users | Default profile_root for nonroot users |
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Default installation directories for IBM Installation Manager
Table 6 shows two default directories related to the Installation Manager tool.
The directories under Installation directory are the defaults (per operating system) into which Installation Manager is installed.
The directories under Agent data location directory are the defaults (per platform) used by Installation Manager for data associated with the application, such as the state and history of operations performed by Installation Manager.
Values are given for both root (Administrator) and nonroot users.
For
more information about the Agent data location, see 
Agent data location in the Installation Manager documentation.
For more information on other defaults for Installation Manager, see Installing as an administrator or non-administrator in
the Installation Manager documentation.
| Defaults for root or Administrator users | Defaults for nonroot users |
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| Installation directory: | Installation directory: |
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| Agent data location directory: | Agent data location directory: |
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Product locations and default directories for IBM Business Process Manager for z/OS
- smpe_root
- Refers to the root directory for the product repository installed
with System Modification Program/Extended (SMP/E).
The default location is /usr/lpp/InstallationManagerRepository/BPM_FMID, where BPM_FMID represents the function modification identifier for IBM Business Process Manager for z/OS®.
- im_install_root
- Installation location of the IBM Business Process Manager for z/OS product
code after it is installed by IBM Installation
Manager.
The IBM Business Process Manager for z/OS product
code is always installed in the same product file system as the WebSphere Application
Server for z/OS installation
with which it is associated.
The default location is /usr/lpp/zWebSphere/V8R0.
- configuration_root
- Refers to the mount point for the configuration file system.
The configuration_root location contains various app_server_root directories and associated symbolic links. Each different node type under configuration_root requires its own cataloged procedures under z/OS.
The default location is /wasv8config/cell_name/node_name.
- app_server_root
- Refers to the top directory for a WebSphere Application
Server for z/OS node.
The node can be of any type: stand-alone server, deployment manager, or unmanaged node. Each node has its own app_server_root directory, which is also referred to as the WAS_HOME directory.
The default location varies by node type. Common defaults are configuration_root/Appserver and configuration_root/DeploymentManager.
- profile_root
- Refers to the home directory for a particular instantiated WebSphere Application
Server for z/OS profile.
In general, this is the same as app_server_root/profiles/profile_name. On z/OS, this value is always app_server_root/profiles/default because only the profile name default is used in WebSphere Application Server for z/OS.