Download Microsoft SQL Server 2008 High Availability with Clustering by Michael Otey PDF
By Michael Otey
Create a hugely on hand Microsoft SQL Server 2008 atmosphere Written through the technical director for SQL Server journal, this professional advisor indicates you the way to enforce clustering and database mirroring in SQL Server 2008. research confirmed ideas for making sure 0 database loss, averting procedure downtime, and delivering quick info backups. full of distinct directions, Microsoft SQL Server 2008 excessive Availability with Clustering & Database Mirroring takes you from making plans to administration of a strong excessive availability answer. Configure home windows Failover Clustering manage the Microsoft disbursed Transaction Coordinator on a node failover cluster set up SQL Server 2008 in your cluster deal with cluster administration and backup Configure and deal with database mirroring for prime availability enforce Hyper-V virtualization and stay Migration deal with a SQL Server digital computing device Michael Otey is the technical director for SQL Server journal and home windows IT professional and the bestselling writer of Microsoft SQL Server 2005 Developer's advisor, Microsoft SQL Server 2008 New positive factors, and a number of other books. he's president of TECA, Inc., a software program improvement and consulting corporation.
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Extra resources for Microsoft SQL Server 2008 High Availability with Clustering & Database Mirroring
C Node and disk majority Each node in the cluster plus the designated disk witness can vote. The cluster will only function if more than half of the nodes are available. This mode is recommended for clusters with an even number of nodes. It is not recommended for multisite clusters. C Node and ﬁle share majority Each node in the cluster plus the designated ﬁle share witness can vote when they are in communication. The cluster will only function when more than half of the nodes are available. This mode is recommended for multisite clusters, for clusters with an even number of nodes, and for clusters with no shared storage.
The network connections on the client network can run at whatever speed is in use at your organization. Most corporate networks today run at either 100MB or 1GB. The network connection for the iSCSI SAN should be running at a minimum of 1GB. If the network is any slower, it has the potential to become a bottleneck for your organization. After you’ve completed all of the required network connections for both servers that will be nodes on the cluster, the next step is to configure the iSCSI connection for each of your Windows Server 2008 nodes.
Figure 3-13 Validating the cluster configuration C h a p t e r 3 : C o n f i g u r i n g Fa i l o v e r C l u s t e r i n g Before running the cluster validation, you must have installed the Failover Clustering feature on all of the cluster nodes that you want to validate. Clicking on the Validate A Configuration link starts the Validate A Configuration Wizard to verify that all of the components in the cluster will work with Windows Server 2008 Failover Clustering. You can see the initial screen of the Validate A Configuration Wizard displayed in Figure 3-14.