Recommended Software Configuration

This section describes how to prepare your system for Hubble Accelerator and how to install it.

Installation Prerequisites

This section describes how to prepare your system to use Hubble Accelerator. The requirements differ according to the platform on which you want to install Hubble Accelerator.

Software Requirements

Hubble Accelerator is distributed in RPM format and can be installed on the following Linux platforms:

• Red Hat Enterprise Linux (64-bit) 7.x
• CentOS 7.x

Dependencies

All dependencies and its dependencies are required. If an offline installation is required, please ensure all dependencies are installed before installing Hubble Accelerator rpm.

• libaio
• perl
• libX11
• libXext
• libXi
• libXrender
• libXtst
• alsa-lib
• perl
• perl-Data-Dumper
• unixODBC-utf16 (For version 4.1.x or higher - shipped with the RPM package)
• initscripts
• atk
• cairo
• gdk-pixbuf2
• gtk2
• pango
• sudo
• which
• mono-complete-6.12.0.107-0.xamarin.9.epel8 (for version 4.2.x or higher)
• bc
• e2fsprogs
• openssl

To install mono-core-6.12.0.107-0.xamarin.9.epel7.x86_64 on CentOS/RHEL 8:

• Refer to the detailed instructions for installing Mono on CentOS/RHEL 8 available at https://www.mono-project.com/download/stable/#download-lin-centos

• For additional information, you can check the release notes for Mono 6.12.0 at https://www.mono-project.com/docs/about-mono/releases/6.12.0/.

If some dependencies for mono-complete-6.12.0.107-0.xamarin.9.epel7 have been moved from the centos8-stable repository, you can find them at this URL. You can manually download and install them using the following commands:

• Download the package:

  wget <url>

• Install the package:

  yum localinstall <package.rpm>

To uninstall unixODBC-utf16 for an older version of Accelerator (for example, Version 3.x), you can use the following command:

yum remove -y unixODBC-utf16

To uninstall unixODBC for version 4.2.x or higher, you can use the following command:

yum remove -y unixODBC

To uninstall mono for version 4.2.x or higher, you can use the following command:

As root user 
			
# yum list mono-complete --showduplicate
 
Remove older versions
# yum remove -y mono
 
# cd /etc/yum.repos.d/
# ls -la centos7-stable.repo
# rm centos7-stable.repo
 
Download centos8-stable repo
# wget https://download.mono-project.com/repo/centos8-stable.re
# yum install mono-complete

Software Components Used in Hubble Accelerator

The following table lists the software components required for the Hubble Accelerator environment, including their versions, update history, and relevant notes for deployment and compatibility.

Supported Replication Source Endpoints

The following table outlines the supported source databases and their configurations for use with the Hubble Accelerator. The target database is always Actian Vector.

Oracle

For supported Oracle DB versions and configurations, refer to Qlik Replicate's documentation.

Oracle Instant Client version 12.1.0.2.0-1.x86_64 will be installed with Hubble Accelerator installation.

Microsoft SQL Server

For supported Microsoft SQL Server DB versions and configurations, refer to Qlik Replicate's documentation.

Microsoft ODBC Driver 18.1 for Windows will be installed on the Qlik Replicate Server machine with Hubble Accelerator installation (for version 4.2.x or higher).

Important: Installing MSODBC 18.1 will uninstall previous versions such as 13.1 and 17.1.

IBM DB2 for z/OS

For supported IBM DB2 for iSeries versions and configurations, refer to Qlik Replicate's documentation.

IBM i Access ODBC 1.1.0.27-1.0 will be installed with Hubble Accelerator installation (for version 4.2.x or higher).

TLS 1.2 prerequisites

If your environment includes:

• Microsoft SQL Server 2014

• Microsoft ODBC Driver 18 installed on Red Hat 8.1 or later

To enable TLS 1.2, you must install a specific Service Pack on the Windows machine where Microsoft SQL Server is installed. For more details, visit https://support.microsoft.com/en-us/help/3135244/tls-1-2-support-for-microsoftsql-server.

Recommended Host Configuration

Provide a separate disk to hold the Vector database and Qlik replication Data. For example, /etc/fstab:

LABEL=hubble    /opt    auto    defaults    00

Users and Groups

Hubble Accelerator installer will create users and groups in Linux.

Users:

• attunity: Owner of all Attunity related files and directories. This user runs Attunity Replicate on the Accelerator.
• actian: Owner of all Actian related files and directories. This user runs Actian Vector and its related executable on the Accelerator.
• hubble-applianceapi: Owner of Hubble Appliance API related files and directories.

Groups:

• actian
  • members: actian
• attunity
  • members: attunity
• hubble
  • members: hubble-applianceapi