Appendix F: SMP2 Redundancy
There is typically only one SMP Appliance or SMP Module controlling the system, which may also be
in conjunction with a third-party control system. However, it is possible for two SMP Appliances or
Modules to be installed and configured in a redundant fashion as Primary and Backup units. In this
case, the Backup SMP Appliance or Module will take control of the system if the Primary SMP Appliance
or Module should fail.
Three configuration areas must be set up for SMP2 Redundancy:
1. Install the Redundancy package on both SMP2 units.
2. Install the Linux sync utility on each unit.
3. Configure each SMP Appliance or SMP Module as Primary or Backup.
1. Installing Redundancy (this is done on both units)
- Open a terminal window, login as root.
- Navigate to /home/user/pkg.
- Unpack the install files: tar -xvzf redundancy_install_010004.tgz
- Change directories: cd redundancy
- Install the package: sh red_install.sh
2. Installing SYNC
- Connect the Matrix Switch and both SMP2 units (eth0 for the SMP2 Module, eth1 for the SMP2
Appliance) to the same network, but with different static IP addresses.
- On the Primary SMP2:
• Open a terminal window, login as root.
• Navigate to /home/user/pkg.
• Unpack the install files: tar -xvzf sync_install_010004.tgz
• Change directories: cd sync
• Install the package: sh sync_install.sh [secondary IP address]
• The administrator must enter the default password thinkl
- On the Secondary SMP2 unit:
• Open a terminal window, login as root.
• Navigate to /home/user/pkg.
• Unpack the install files: tar -xvzf sync_install_010004.tgz
• Change directories: cd sync
• Install the package: sh sync_install.sh [primary IP address]
• The administrator must enter the default password thinkl
- On the Primary SMP2:
• Install the package again: sh sync_install.sh [secondary IP address]
- SYNC is now installed and running on both units.
Note: During the installation of the SYNC application a user is created with the password
‘thinkl.’ For security purposes, it is recommended that this password be deleted by
running the command ‘passwd -d thinkl’ at the Linux prompt.
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