Completing the Configuration
After you have created the SplitSite configuration, change the quorum service port, if necessary. Then, enable quorum within the everRun Availability Console. Finally, verify the configuration and (re-)join VMs.
Prerequisite: Plan and create
a SplitSite configuration by first reading
Creating a SplitSite Configuration and following its instructions, if you have not already done so.
Note: The port configured for quorum service on the quorum computer and the port configured for the quorum server within the
everRun Availability Console must be the same port numbers. If you change the quorum service ports on the quroum computer, you must change the quorum service ports on all
everRun systems (using the
everRun Availability Console) that connect to that quorum computer so that both the quorum computer and the
everRun systems use the same port numbers. See
Configuring the Quorum Server Within the everRun Availability Console.
Configuring the Quorum Service Port
By default, the quorum service listens on UDP port 4557.
In most cases, you do not need to change the default port. However, you can change the port, if the network configuration requires you to:
To change the port number on the quorum server
-
Log on to the quorum computer using an account with administrative privileges.
-
Open a command window in administrative mode.
-
Stop the quorum service by typing:
net stop sraqserver
-
Change the port by typing (replacing nnnn with the new port number):
sraqserver -install nnnn
-
Restart the quorum service by typing:
net start sraqserver
Verifying the Quorum Service Port
If you need to verify the quorum service port, check this Windows registry key:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\SraQserver\Parameters\QSServerPortForReceive
Configuring the Quorum Server Within the everRun Availability Console
Once the quorum service is running, you should enable the quorum service within the everRun Availability Console. You can also remove a quorum server.
To enable the quorum service:
- Login to the everRun Availability Console with an account that has administrative privileges.
- Click Preferences in the left-hand navigation panel, to open the Preferences page.
- Click Quorum Servers. The quorum configuration page opens.
- Click Add Quorum Server at the left side of the page.
- In the Add Preferred Quorum Server dialog box, enter the following values (if a preferred quorum server already exists, the Add Alternate Quorum Server dialog box appears):
Click Save to save the values.
- Repeat steps 4 and 5 to configure a second, alternate quorum server. Stratus recommends configuring two quorum servers.
- To enable quorum service, select the Enabled check box and click Save.
Changes to the quorum configuration do not effect running VMs. You must stop and restart any running VMs after changing the quorum configuration.
To remove a quorum server
Caution: If you remove the preferred quorum server, the alternate quorum server becomes the preferred quorum server. If no alternate quorum server exists, removing the preferred quorum server automatically disables quorum service.
- Navigate to the Preferences page of the everRun Availability Console.
- Click Quorum Servers.
- Locate the entry for the quorum server you want to remove.
- In the right-most column, click Remove.
Note: If a VM is using the quorum server that you are removing, you must reboot the VM so that it no longer recognizes the quorum server, which allows the removal process to finish. The VM will downgrade to simplex mode until it is restarted with no quorum servers configured.
Verify the Configuration and (Re-)Join VMs
Verify the configuration and (re-)join VMs. Follow the appropriate steps in From Initial Installation to Completing the SplitSite Configuration.
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