Configuring the Network Settings for each Network Interface
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In this example, we'll create an SCC consisting of two active/passive clusters that will be part of the same Exchange organization as the CCR-based cluster we discussed previously in this chapter. This means that you will need to install two NICs in each node (which we recommend you call public and private so that you can see what belongs to which network) and then configure the private and public interfaces for each of the two nodes identically to the network interfaces we configured on the two nodes in the CCR-based cluster setup. The only difference would be the IP addresses, since using the same ones would result in IP conflicts, but everything from the binding order, WINS, DNS, and so on should be the same for each interface. So instead of going through all the steps again, refer back to the "Configuring the Network Interfaces for Each Node" subsection of the "Managing a Cluster Continuous Replication-Based Cluster Setup" section of this chapter.
Creating the Shared Cluster Disks
- 1. Open the Virtual Server Manager>Create -> Fixed Size Virtual Hard Disk under Virtual Disks, as shown in Figure 8.78.
- Place the virtual hard disk file (.VHD) in the folder containing your two virtual Windows 2003 Servers, then set the size to 500MB (or less if you're low on disk space). Then click Create (see Figure 8.79).
- We now need to add the virtual quorum disk to each of the two virtual Windows 2003 Servers. Let's add it to EDFS09 first. We do this by clicking Master Status -> EDFS09 -> Edit Configuration. Since this disk needs to be shared between the nodes, we need to click SCSI Adapters, then Add SCSI Adapter (see Figure 8.80). Under the new SCSI adapter, check Share SCSI Bus for Clustering, then set the SCSI adapter ID to 6 (or whatever SCSI adapter ID is unused in your environment). Click OK.
- We now need to make the new disk visible on each node, so click Hard disks -> Add disk, then select SCSI 1 ID 0 in the Attachment drop-down menu. Finally, specify the path to the virtual Quorum disk, which in this example is E:E2K7SCCShared DisksQuorum.vhd, as shown in Figure 8.81. Click OK.
- We now need to partition the Quorum disk in the Disk Management console on EDFS09, so start the virtual machine, log on using a domain admin account, click Start -> Run, and type Compmgmt.msc. Under Storage, click Disk Management (see Figure 8.82). Click Next three times in the Initialize and Convert Disk Wizard that appears, then click Finish.
- The detected disk now needs to be partitioned. To do so, right-click the unallocated space then select New partition.
- Click Next three times and select the drive letter Q (for quorum), then click Next again. Use NTFS as the file system type and type Quorum in the Volume label field. To speed up the formatting process, it's a good idea to tick Perform a quick format.
- Now turn off EDFS09, then turn on EDFS10 and log on to the server with a domain admin account. Again, click Start -> Run and type Compmgmt.msc. Under Storage, click Disk Management Mark the Quorum disk (disk 1) active and assign it the drive letter Q (see Figure 8.83).
|Some Independent Advice: If you're installing the SCC in a Virtual Server 2005 R2 environment like I do in this example, you need to create a virtual SCSI adapter for each disk you want to share between the nodes. Since you should place the databases and log files on share disks as well, I recommend you create two additional virtual fixed sized disks more, one called Logs.vhd and one called Databases.vhd. When these have been created you need to add two additional virtual SCSI adapters on each virtual guest, and since the two disks should be shared between the nodes this should have Share SCSI bus for clustering enabled and configured with SCSI adapter ID 6 like the adapter for the quorum disk we already created. When you have done so, you will be able to add the two disks under Virtual Hard Disk Properties on each node respectively.|
Now verify that you can access the Q: drive from Windows Explorer. Also try to create a test file on each server and make sure you can see it both ways.
Managing an Exchange 2007 Single Copy Cluster-based setup
Part 1: A basic Single Copy Cluster setup in Exchange 2007
Part 2: Configuring Single Copy Cluster (SCC) nodes and shared cluster disks
Part 3: Creating a Windows Server 2003 cluster for an Exchange SCC setup
Part 4: Installing Exchange Server 2007 clustered mailbox roles on SCC nodes
Part 5: Verify Exchange 2007 clustered mailbox server functionality
Part 6: Exchange 2007 Single Copy Cluster-based setup review
|This chapter excerpt from How to Cheat at Configuring Exchange Server 2007: Including Outlook Web, Mobile, and Voice Access, by Henrik Walther, is printed with permission from Syngress, a division of Elsevier, Copyright 2007.
Click here for the chapter download.