SFLM Help

Setup Redundant Servers

Help Topics > Admin > Setup Redundant Servers

Use the Setup Redundant Servers page to add or remove servers that form a redundant server cluster. The name are in priority order so they should be in the same order on all servers. This is Step 5 below.

Redundant servers provide a way to improve the uptime of licenses when either the primary license host is down or network routing is mostly but not completely working.

For a machine to get a license, at least two servers must be up and able to talk to each other. The client must then be able to talk to one of these two servers or to the third server (that can talk to the active server).

To set up a redundant server cluster, a special license must be requested from your vendor. You can

Step 1 First request redundancy from your vendor account manager. You can perform steps 2 and 3 first to speed up the process. If you give the account manager the CodeName of the three server machines, it may even go faster. The CodeName is give at the end of Step3 and will look something like 0SSMID12345678.

Step 2 Run "sflm -install" on all three machines.

Step 3 Bring up a web browser on each machine, type in the URL http://machine:3162/ (where machine is the hostname of the machine) and then go through the registration procedure that will be initiated. Then wait to be contact by your vendor.

Step 4 Your vendor will inform you when your license file is ready to be downloaded. When you receive this message open your web browser at http://machine:3162/ and click on "Install new License(s)". Download and install the license file that your vendor has created on the primary license server machine (this license file should list the machine credentials of the 3 machines chosen as license servers).

Step 5
When the above are completed open your web browser at http://machine:3162/ and go to "Setup Redundant Servers". Use the "Add Server" field to add each server individually to the Server List.

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Step 1	First request redundancy from your vendor account manager. You can perform steps 2 and 3 first to speed up the process. If you give the account manager the CodeName of the three server machines, it may even go faster. The CodeName is give at the end of Step3 and will look something like 0SSMID12345678.
Step 2	Run "sflm -install" on all three machines.
Step 3	Bring up a web browser on each machine, type in the URL http://machine:3162/ (where machine is the hostname of the machine) and then go through the registration procedure that will be initiated. Then wait to be contact by your vendor.
Step 4	Your vendor will inform you when your license file is ready to be downloaded. When you receive this message open your web browser at http://machine:3162/ and click on "Install new License(s)". Download and install the license file that your vendor has created on the primary license server machine (this license file should list the machine credentials of the 3 machines chosen as license servers).
Step 5	When the above are completed open your web browser at http://machine:3162/ and go to "Setup Redundant Servers". Use the "Add Server" field to add each server individually to the Server List.