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Dell/EMC CX4-series
Fibre Channel Storage Arrays
®
With Microsoft Windows
®
Server Failover Clusters
Hardware Installation
and Troubleshooting
Guide
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Notes, Cautions, and Warnings NOTE: A NOTE indicates important information that helps you make better use of your computer. CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem. WARNING: A WARNING indicates a potential for property damage, personal injury, or death. ___________________ Information in this document is subject to change without notice. © 2008 Dell Inc. All rights reserved. Reproduction of these materials in
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Contents 1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . 7 Cluster Solution . . . . . . . . . . . . . . . . . . . . . . 8 Cluster Hardware Requirements . . . . . . . . . . . . . 8 Cluster Nodes. . . . . . . . . . . . . . . . . . . . . 9 Cluster Storage . . . . . . . . . . . . . . . . . . . 10 Supported Cluster Configurations. . . . . . . . . . . . 12 Direct-Attached Cluster . . . . . . . . . . . . . . 12 SAN-Attached Cluster . . . . . . . . . . . . . . . 13 Other Documents You
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3 Preparing Your Systems for Clustering . . . . . . . . . . . . . . . . . . . . . . . . 39 Cluster Configuration Overview . . . . . . . . . . . . . 39 Installation Overview . . . . . . . . . . . . . . . . . . 41 Installing the Fibre Channel HBAs. . . . . . . . . . . . 42 Installing the Fibre Channel HBA Drivers. . . . . . 42 Implementing Zoning on a Fibre Channel Switched Fabric . . . . . . . . . . . . . . . . . . . . . 42 Using Zoning in SAN Configurations Containing Multiple Hosts. . .
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A Troubleshooting . . . . . . . . . . . . . . . . . . . . 55 B Zoning Configuration Form . . . . . . . . . . . 61 C Cluster Data Form . . . . . . . . . . . . . . . . . . 63 Contents 5
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6 Contents
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Introduction A Dell™ Failover Cluster combines specific hardware and software components to provide enhanced availability for applications and services that are run on the cluster. A Failover Cluster is designed to reduce the possibility of any single point of failure within the system that can cause the clustered applications or services to become unavailable. It is recommended that you use redundant components like server and storage power supplies, connections between the nodes and the
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Cluster Solution Your cluster implements a minimum of two nodes to a maximum of either eight nodes (for Windows Server 2003) or sixteen nodes (for Windows Server 2008) and provides the following features: � 8-Gbps and 4-Gbps Fibre Channel technology � High availability of resources to network clients � Redundant paths to the shared storage � Failure recovery for applications and services � Flexible maintenance capabilities, al lowing you to repair, maintain, or upgrade a node or storage syst
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Cluster Nodes Table 1-1 lists the hardware requirements for the cluster nodes. Table 1-1. Cluster Node Requirements Component Minimum Requirement Cluster nodes A minimum of two identical PowerEdge servers are required. The maximum number of nodes that are supported depend on the variant of the Windows Server operating system used in your cluster, and on the physical topology in which the storage system and nodes are interconnected. RAM The variant of the Windows Server operating system that
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Cluster Storage Table 1-2 lists supported storage systems and the configuration requirements for the cluster nodes and stand-alone systems connected to the storage systems. Table 1-2. Cluster Storage Requirements Hardware Components Requirement Supported storage One to four supported Dell/EMC storage systems. See systems Table 1-3 for specific storage system requirements. Cluster nodes All nodes must be directly attached to a single storage system or attached to one or more storage systems t
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Each storage system in the cluster is centrally managed by one host system ® (also called a management station) running EMC Navisphere Manager—a centralized storage management application used to configure Dell/EMC storage systems. Using a graphical user interface (GUI), you can select a specific view of your storage arrays, as shown in Table 1-4. Table 1-4. Navisphere Manager Storage Views View Description Storage Shows the logical storage components and their relationships to each other a
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Supported Cluster Configurations The following sections describe the supported cluster configurations. Direct-Attached Cluster In a direct-attached cluster, all the nodes of the cluster are directly attached to a single storage system. In this configuration, the RAID controllers (or storage processors) on the storage system are connected by cables directly to the Fibre Channel HBA ports in the nodes. Figure 1-1 shows a basic direct-attached, single-cluster configuration. Figure 1-1. Direct-A
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SAN-Attached Cluster In a SAN-attached cluster, all nodes are attached to a single storage system or to multiple storage systems through a SAN using redundant switch fabrics. SAN-attached clusters are superior to direct-attached clusters in configuration flexibility, expandability, and performance. Figure 1-2 shows a SAN-attached cluster. Figure 1-2. SAN-Attached Cluster public network cluster node cluster node private network Fibre Channel Fibre Channel connections connections Fibre Channe
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�The Getting Started Guide provides an overview of initially setting up your system. � For more information on deploying your cluster with Windows Server 2003 operating systems, see the Dell Failover Clusters with Microsoft Windows Server 2003 Installation and Troubleshooting Guide. � For more information on deploying your cluster with Windows Server 2008 operating systems, see the Dell Failover Clusters with Microsoft Windows Server 2008 Installation and Troubleshooting Guide. � The HBA d
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Cabling Your Cluster Hardware NOTE: To configure Dell blade server modules in a Dell PowerEdge cluster, see the Using Dell Blade Servers in a Dell PowerEdge High Availability Cluster document located on the Dell Support website at support.dell.com. Cabling the Mouse, Keyboard, and Monitor When installing a cluster configuration in a rack, you must include a switch box to connect the mouse, keyboard, and monitor to the nodes. See the documentation included with your rack for instructions on
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Figure 2-1. Power Cabling Example With One Power Supply in the PowerEdge Systems primary power supplies redundant power on one AC power strip supplies on one AC (or on one AC Power power strip (or on one Distribution Unit [not AC PDU [not shown]) shown]) NOTE: This illustration is intended only to demonstrate the power distribution of the components. 16 Cabling Your Cluster Hardware 01 2 3 01 01 2 3 01
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Figure 2-2. Power Cabling Example With Two Power Supplies in the PowerEdge Systems redundant power supplies primary power supplies on one AC power strip (or on one AC power strip on one AC PDU [not (or on one AC PDU [not shown]) shown]) NOTE: This illustration is intended only to demonstrate the power distribution of the components. Cabling Your Cluster for Public and Private Networks The network adapters in the cluster nodes provide at least two network connections for each node, as d
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Table 2-1. Network Connections Network Connection Description Public network All connections to the client LAN. At least one public network must be configured for Mixed mode for private network failover. Private network A dedicated connection for sharing cluster health and status information only. Figure 2-3 shows an example of cabling in which dedicated network adapters in each node are connected to each other (for the private network) and the remaining network adapters are connected to the
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Cabling the Private Network The private network connection to the nodes is provided by a different network adapter in each node. This network is used for intra-cluster communications. Table 2-2 describes three possible private network configurations. Table 2-2. Private Network Hardware Components and Connections Method Hardware Components Connection Network Gigabit Ethernet network Connect standard Ethernet cables switch adapters and switches from the network adapters in the nodes to a Giga
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Cabling Storage for Your Direct-Attached Cluster A direct-attached cluster configuration consists of redundant Fibre Channel host bus adapter (HBA) ports cabled directly to a Dell/EMC storage system. Figure 2-4 shows an example of a direct-attached, single cluster configuration with redundant HBA ports installed in each cluster node. Figure 2-4. Direct-Attached Cluster Configuration public network cluster node cluster node private network Fibre Fibre Channel Channel connections connection
