This will cause a failover that you can watch in Cluster Administrator. Now reconnect the broken connection. Second, from the now active node, remove the shared array connection. Watch the failover in Cluster Administrator. When done, reconnect the broken connection.
Check the Event Logs for possible problems. After this test, all of the resources in each group should be in the online state. If not, you have a problem that needs to be identified and corrected. After the failover, then failback using the same procedure as described above, again watching the activity from Cluster Administrator. Check the Event Logs for possible problems. After this test, all of the resources in each group should be in the online state. This time, we will only use Cluster Administrator to watch the failover activity, not to initiate it.
First, turn off the active node by turning it off hard. Once this happens, watch the failover in Cluster Administrator. Once the failover occurs, turn the former active node on and wait until it fully boots. Then turn off the now current active node by turning it off hard. And again, watch the failover in Cluster Administrator.
After the failover occurs, bring the off node back on. In this test, we will see what happens if network connectivity fails. First, both nodes being tested should be on. Second, unplug the public network connection from the active node.
This will cause a failover to a passive node, which you can watch in Cluster Administrator. Third, plug the public network connection back into the server. Fourth, unplug the public network connection from the now active node. This will cause a failover to the current passive node, which you can watch in Cluster Administrator.
Once the testing is complete, plug the network connection back into the server. This test is always exciting as it is the test that is most apt to identify potential problems. First, from the active node, remove the shared array connection. This will cause a failover that you can watch in Cluster Administrator. Now reconnect the broken connection. Second, from the now active node, remove the shared array connection.
Watch the failover in Cluster Administrator. When done, reconnect the broken connection. As I mentioned before, if any particular test produces unexpected problems, such as failover not working or errors are found in the Event Logs, identify and resolve them now before proceeding with the next test. Once you have resolved any problems, be sure to repeat the test that originally indicated the problem in order to verify that it has been fixed.
Now that you have completed the Windows cluster installation and have tested it, you are ready to install and configure the Microsoft Distributed Transaction Coordinator. This is because SQL Server requires this service in order to perform some functions, including running distributed queries, two-phase commit transactions, and some aspects of replication.
This is because this procedure automatically configures MS DTC on all of the cluster nodes at the same time. Take your time to ensure that you do it right the first time. Believe it or not, the procedure to install a SQL Server instance onto a cluster is one of the easiest parts of getting your SQL Server cluster up and running. The SQL Server setup program is used for the install and does the hard work for you.
All you have to do is make a few but critically important decisions, and then sit back and watch the installation take place.
In fact, the setup program even goes to the trouble to verify that your nodes are all properly configured, and if not, will suggest how to fix most problems before the installation begins. When the installation process does begin, the setup program recognizes all the nodes, and once you give it the go ahead to install on each one, it does, all automatically. SQL Server binaries are installed on the local drive of each node, and the system databases are stored on the shared array you designate.
In the next section are the step-by-steps instructions for installing a SQL Server instance in a cluster. The only real difference is that you will have to run SQL Server setup for every instance you want to install on the cluster, and you will have to specify a different logical drive on the shared array.
You can either install it directly from the media, or copy the install files from the media to the current active node of the cluster, and run the setup program from there. To begin the installation, run Setup. After an introductory screen, you will get the first install dialog box as shown in the figure below.
The Installing Prerequisites dialog box lists the prerequisites that need to be installed before installation of SQL Server can begin. The number of components may vary from the above figure, depending on what you have already installed on your nodes. What is interesting to note here is that these prerequisite components will only be installed immediately on the active node. They will be installed on the passive node later during the installation process. Click Install to install these components.
When completed, you will get a dialog box telling you that they were installed successfully, and then you can the click Next to proceed. On occasion, I have seen these components fail to install correctly. If this happens, you will have to troubleshoot the installation. Generally speaking, try rebooting both nodes of the cluster and try installing them again. This often fixes whatever caused the first setup try to fail. Once the prerequisite components have been successfully installed, the SQL Server Installation Wizard launches, as you can see in the figure below.
This is very similar to the check that was performed with clustering services when you installed Windows Server Clustering. Ideally, you want all checks to be successful, with a green icon. If you get any yellow warning or red error icons, then you need to find out what the problem is, and correct it before proceeding.
In some cases, yellow warning icons can be ignored, but red error icons cannot. If you have any yellow or red icons, you may have to abort the setup process, fix the problem, then restart the setup process.
Assuming all is well, click Next to proceed. The next dialog box is Registration, where you enter your company name and license key, if applicable. As with any install of SQL Server , the next step is to select the name of the instance to be installed. You can choose between a default instance and a named instance. Click Next to proceed. Now, here is a very important step.
This is when you enter the name of the virtual SQL Server instance you are currently installing. This is the name that clients will use to connect to this instance. Ideally, you have already selected a name to use that makes the most sense to your organization. If you ever need to change this virtual name, you will have to uninstall and then reinstall SQL Server clustering. This is also a very important step. Show Comments.
Hide Comments. My Profile Log out. Join Discussion. Add your Comment. Figure C The property sheet for a cluster resource group. Figure D The property sheet for a cluster resource. Figure E Add or remove resource dependencies with the Modify Dependencies dialog box.
Figure F Configure restart, polling, and timeout properties on the Advanced tab. Figure G Configure resource-specific settings on the Parameters tab. Editor's Picks. The best programming languages to learn in Check for Log4j vulnerabilities with this simple-to-use script. TasksBoard is the kanban interface for Google Tasks you've been waiting for. Paging Zefram Cochrane: Humans have figured out how to make a warp bubble. Show Comments.
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