Clustering MS SQL Server 2008 R2 on VMware Virtual Windows Server 2008 R2 – 3 _ IPSURE (Hands-On)

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22/07/2010

Clustering MS SQL Server 2008 R2 on VMware Virtual Windows Server 2008 R2 – 3

Filed under: ms tip — Tags: cluster , ESX, MS SQL 2008, SAN, SQL Server , sql server 2008 r2, vmware, vsphere, Windows Server 2008 R2

— Mehmet Bora Teoman @ 15:18

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instance and all of the nodes that were prepared previously for that

instance will be the possible owners of the newly created SQL Server

failover cluster.

Note: The Prepare step does not require an underlying Windows Server

failover cluster to be established. The Complete step, however, does requirethat the underlying Windows Server failover cluster exists. If it does not, setup

provides an error and exit.

In my scenario, I will prefer the first method which is Integrated Installation. I will first install SQL on one of my servers as usual which will

create an SQL cluster instance and I will add the second server as a member of that instance. So, don’t waste time and start with the

installation of first server.

Because I installed Windows Server 2008 R2 as the operating system, I don’t need any hotfix/service pack requirements to install for SQL

deployment. The only thing that I will install before SQL installation is MS DTC (Microsoft Distributed Transaction Coordinator). Actually

this is not a necessity but for active/active SQL failover clustering, MS DTC is a must. You can find details on http://technet.microsoft.com

/en-us/library/cc730992(WS.10).aspx webpage.

Note: If you try to install SQL without MS DTC, you will receive a warning message like Figure 1. But that doesn’t mean you could not

install SQL without a clustered MS DTC service.

Figure 1: Warning message about MS DTC

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As you remember from the first part of the article, I created 3 shared disks for clustering and one of them is for MS DTC (the other two is for

quorum and SQL). So, for installation of MS DTC in a clustered environment I log on one of my servers and open the “Failover Cluster

Manager” snap-in. I right click the server name and select “Configure a Service or Application…”. This opens a wizard and first screen is

an informative screen as usual. After I press Next button, I select “Distributed Transaction Coordinator (DTC)” from the list (Figure 2)

and press Next button. In this screen, I give a name of “ mstipclusterdtc” and an IP address of 192.168.2.103/24 for my new clustered

service (Figure 3) and press Next. On the coming screen, I select one of my shared storages for MS DTC (Figure 4) and press Next. After the

Confirmation and Summary screens, the wizard is finished and I have MS DTC service in a clustered environment.

Figure 2: “Distributed Transaction Coordinator” selection


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Figure 3: Name and IP for MS DTC service


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Figure 4: Storage for MS DTC Service

So it is SQL Server installation time :). For this purpose, I mount the ISO image of SQL installation DVD to CD-Drive of my first virtual

server and run the setup.exe file. It opens a screen for me and I select Installation on the left side. Installation selection offers me five

different links and one of them is “New SQL Server failover cluster installation” (Figure 5). I select it and an installation wizard appears.


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Figure 5: Installation type selection

The first three-four screens are listing the problems/requirements found in the environment that SQL installation will be performed. In my

case, there is no problem and all the items are signed as green (Figure 6).

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Figure 6: No problem at all :)

The next two screens are Product Key and License Term screens. After these, I fill all the checkboxes in Feature Selection screen as it is

seen in Figure 7 (of course you have to choose whatever you need). In Instance Configuration screen, I give a name to my SQL cluster

(Figure 8) and press Next button. After checking Disk Space Requirements screen, Cluster Resource Group screen appears. Here in thisscreen, some of the previously created resource groups are listed but they are all used by other clustered services. Therefore, to create a new

resource group I directly press the Next button here (Figure 9).

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Figure 7: “Feature selection” screen

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Figure 8: “Instance Configuration” screen

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Figure 9: New Cluster Resource Group creation for SQL Server

“Cluster Disk Selection” is the screen that we assign a shared disk to our SQL cluster. After that “Cluster Network Configuration” screen

appears. I give an IP address of 192.168.2.104 for my SQL cluster here (Figure 10). I select the default and recommended selection (use

service SIDs) in “Cluster Server Policy” screen. In “Server Configuration” screen, service accounts and collation types areselected/entered. After that “Database Engine Configuration” and “Analysis Services Configuration” screens appear. In these parts of

the setup, we define the administrative user accounts for database engine and analysis services. Also database locations on shared disk are

defined here (Figure 11). Let me remind you that, these screen appearances can be different in your environment if you select less feature

than me ( I selected all the features at the beginning of the setup wizard, if you remember). The rest of the screens are informative or

checking screens and by clicking Next button on each of them I finished the installation of SQL on my first machine successfully (Figure 12).

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Figure 10: “Cluster Network Configuration” screen

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Figure 12: Wizard completion screen

Now it is time to add the second node to my SQL cluster. To do this, I logon to the second virtual machine and run SQL setup there. I select

“Add node to a SQL Server failover cluster” on the opening screen (Figure 13). The wizard is almost the same but a short version. I mean

that the first 4-5 screens are the same but after “Setup Support Rules” screen, “Cluster Node Configuration” screen appears (Figure 14)and I select my one and only SQL Cluster instance in that screen and finish the wizard by pressing Next buttons on the following screens.

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Figure 13: “Add node to a SQL Server failover cluster” selection

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Figure 14: “Cluster Node Configuration” screen

As I finished the SQL installation in a clustered environment and add the second node to my cluster instance, I have to check whether it

works or not. I open the “Failover Cluster Manager” snap-in and under “Services and Applications” I click SQL Server. The screen

summarizes the condition of SQL service (Figure 15). To check whether the second cluster node handle the job when the first node fails, youcan restart the first machine and control the“Failover Cluster Manager” snap-in on the second virtual machine. You have to see that owner

of SQL services changes to the second node.

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Figure 15: SQL Server summary screen

This is the end of my three part article series. I hope it would be helpful to you. See you next time.

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