IBM Streams 4.2.1
Considerations for an IBM Streams hybrid environment
IBM®
Streams supports a highly available hybrid environment that uses Secure Shell (SSH).
The options and requirements for setting up a hybrid environment are similar to a
production environment. This section describes the differences.
SSH
Each user of the product must enable SSH. For more information, see Configuring a Secure Shell environment for IBM Streams.
Installation
A root or non-root user installs the main installation package on all resources or uses a shared
file system. This package includes all of the product files.
Notes:
- The preferred installation method in an SSH environment is to use a shared file system such as NFS or GPFS™, and install IBM Streams in a shared directory that is accessible from each resource.
- If you install IBM
Streams on each resource, you must satisfy the following requirements:
- Install the product in the same location on each resource.
- The installation owner and group must be the same on each resource.
- The same version of the product must be installed on each resource.
- If the installation is shared by multiple users, you must start the domain as the installation owner.
- If the installation is shared by multiple users, all users including the installation owner must be part of the group that owns the installation.
Domain controller service
A root or non-root user can set up the domain controller service as a registered Linux system service or an unregistered service. For more information, see Options for setting up the domain controller service on IBM Streams resources.