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Dell/EMC AX4-5 Fibre Channel Storage Array s With Microsoft ® Windows Server ® Failover Clusters Hardware Installation and T roubleshooting Guide.
Notes, Cautions, and W arnings NOTE: A NOTE indicates important informati on that helps you make better use of your computer . CAUTION: A CAUTION indicates potential damage to hardware or loss of data if instructions are not followed. WAR NI NG : A WARNING indicates a potential for property damage, personal injury , or death.
Contents 3 Contents 1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . 7 Cluster Solution . . . . . . . . . . . . . . . . . . . . . . 8 Cluster Hardware Requirements . . . . . . . . . . . . . 8 Cluster Nodes . . . . . . . . . . . . . . . .
4 Contents 3 Preparing Y our Sy stems for Clustering . . . . . . . . . . . . . . . . . . . . . 35 Cluster Configuration Overview . . . . . . . . . . . . . 35 Installation Overview . . . . . . . . . . . . . . . . . . 37 Installing the Fibre Channel HBAs .
Contents 5 A T roubleshooting . . . . . . . . . . . . . . . . . . . . 47 B Cluster Data Form . . . . . . . . . . . . . . . . . . 55 C Zoning Configuration Form . . . . . . . . . . . 57 Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6 Contents.
Introduction 7 Introduction A failover cluster combines specific hardwar e and softwar e components to provide enhanced availability for applicat ions and services that are run on the cluster .
8 Introduction Cluster Solution Y our cluster implements a minimum of two node to a maximum of either eight nodes (for W indows Server 2003) or si xteen nodes (for W indows Server 2008) clustering and.
Introduction 9 Cluster Nodes T able 1-1 lists the har dware r eq uirements for the cluster nodes. NOTE: For more information abo ut supported sy stems, HBA s and operating sy stem variants, see the Dell Cluster Configuration Support Matrices located on the Dell High A vailability Clustering website at dell.
10 Introduction Cluster Storage Cluster nodes can share access to e xterna l storage systems. However , only one of the nodes can own any redundant array of independent disks (R AID) volume in the external storage system at any time. Microsoft Cluster Services (MSCS) controls which no de has access to each RAID volume in the shar ed storage system.
Introduction 11 T able 1-3 lists har dware r equirements for the disk processor enclosures DPE DAE, and SPS. NOTE: Ensure that the core software versio n running on the storage sy stem is supported by Dell.
12 Introduction Figure 1-1. Direct-Attached, Single-Cluster Configuration EMC ® PowerPath ® Limitations in a Direct-Attached Cluster EMC P owerP ath provides failover capabili ties and multiple path detection as well as dynamic load balancing between multiple ports on the same storage processor .
Introduction 13 Figure 1-2. SAN-Attached Cluster Other Documents Y ou May Need CAUTION: The safety information that is shipped with your sy stem provides important safety and regulatory infor mation. Warranty information may be included within this document or as a separate document.
14 Introduction •T h e Dell Cluster Configuration Support Matrices provides a list of recommended operating systems, har d ware components, and driver or firmware versions for your Dell W indows Server F ailover Cluster . • The HBA documentation provides installation instructions for the HBAs.
Cabling Y our Cluster Hardware 15 Cabling Y our Cluster Hardware NOTE: T o configure Dell blade server module s in a Dell™ PowerEdge™ cluster , see the Using Dell Blade Servers in a Dell PowerEdge High Availability Cluster document located on th e Dell Support website at support.
16 Cabling Y our Cluster Hardware Figure 2-1. Power Cabling Exam ple With One Power Supply in the PowerEdge Sy stems and One Standby Power Supply (SPS) in an AX4-5 Storage Sy stem redundant power supp.
Cabling Y our Cluster Hardware 17 Figure 2-2. Power Cabling Example With T w o Power Supplies in the PowerEdge Sy stems and T wo SPS(s) in an AX4-5 Storage Sy stem Cabling Y our Cluster for Public and Private Networks The network adapters in the cluster nodes provide at least two network connections for each node, as described in T able 2-1.
18 Cabling Y our Cluster Hardware F igure 2-3 shows an example of cabling in which dedicated network adapters in each node are connected to each ot her (for the private network) and the remaining network adapters ar e co nnected to the public network.
Cabling Y our Cluster Hardware 19 Cabling the Public Network Any network adapter supported by a sy stem running TCP/IP may be used to connect to the public network segments.
20 Cabling Y our Cluster Hardware Using Dual-Port Network Adapters Y ou can configure your cluster to use the public network as a failover for private network communications. If dual -port network adapters are used, do not use both ports simultaneously to support both the public and private networks.
Cabling Y our Cluster Hardware 21 Figure 2-4. Direct-Attached Cluster Configuration Each cluster node attaches to the st orage system using two multi-mode optical cables with LC connectors that attach to the HBA ports in the cluster nodes and the storage processor (SP) ports in the Dell/EMC storage system.
22 Cabling Y our Cluster Hardware a Install a cable from cluster node 2 HBA port 0 to SP -A F ibre port 1(second fibr e port) . b Install a cable from cluster node 2 HBA port 1 to SP -B Fi b r e p o r t 1(second fibr e port) .
Cabling Y our Cluster Hardware 23 Figure 2-6. Cabling a T wo-node C luster to an AX4-5FX Storage Sy stem Cabling a Four -Node Cluster to a Dell/EMC AX4-5FX Storage Sy stem Y ou can configure a 4-node .
24 Cabling Y our Cluster Hardware a Install a cable from cluster node 4 HBA port 0 to the fourth front-end fibre channel port on SP -A. b Install a cable from cluster node 4 HBA port 1 to the fourth front-end fibre channel port on SP -B.
Cabling Y our Cluster Hardware 25 Cabling Storage for Y our SAN-Attached Cluster A SAN-attached cluster is a cluster conf iguration where all cluster nodes ar e attached to a single storage system or to multiple storage systems through a SAN using a redundant switch fabric.
26 Cabling Y our Cluster Hardware Figure 2-8. Eight-Node SAN-Attached Cluster Each HBA port is cabled to a port on a F ibre Channel switch. One or more cables connect from the outgoing ports on a switch to a storage processor on a Dell/EMC storage system.
Cabling Y our Cluster Hardware 27 Cabling a SAN-Attached Cluster to an AX4-5F Storage Sy stem 1 Connect cluster node 1 to the SAN. a Connect a cable from HBA port 0 to F ibre Channel switch 0 (sw0). b Connect a cable from HBA port 1 to F ibre Channel switch 1 (sw1).
28 Cabling Y our Cluster Hardware Figure 2-9. Cabling a SAN-Attached Cl uster to an AX4-5F Storage Sy stem Cabling a SAN-Attached Cluster to an AX4-5FX Storage Sy stem 1 Connect cluster node 1 to the SAN. a Connect a cable from HBA port 0 to F ibre Channel switch 0 (sw0).
Cabling Y our Cluster Hardware 29 d Connect a cable from F ibre Channel sw itch 0 (sw0) to SP -B F ibr e port 3(F ourth fibr e port). e Connect a cable from F ibre Channel sw itch 1 (sw1) to SP -A F ibr e port 2(Third fibr e port). f Connect a cable from F ibre Channel sw itch 1 (sw1) to SP -A F ibr e port 3(F ourth fibr e port).
30 Cabling Y our Cluster Hardware Cabling Multiple SAN-Atta ched Clusters to a De ll/EMC Storage Sy stem T o cable multiple clusters to the stora ge system, connect the cluster nodes to the appropriate F ibre Channel switches and then connect the F ibre Channel switches to the appropriate storage processors on the processor enclosure.
Cabling Y our Cluster Hardware 31 • The shared storage systems and firmwar e must be identical. Using dissimilar storage systems and firmware for your shar ed storage is not supported.
32 Cabling Y our Cluster Hardware Connecting a PowerEdge Cluster to a T ape Library T o provide additional backup for yo ur cluster , you can add tape backup devices to your cluster configuration.
Cabling Y our Cluster Hardware 33 Configuring Y our Cluster With SAN Backup Y ou can provide centralized backup for your clusters by sharing your SAN with multiple clusters, storage systems, and a tape library . F igure 2-13 provides an example of ca bling the cluster nodes to your storage systems and SAN backup with a tape library .
34 Cabling Y our Cluster Hardware.
Preparing Y our Sy stems for Clustering 35 Preparing Y our Sy stems for Clustering CAUTION: Only trained service technicians are authorized to remove and access any of the components ins ide the sy stem.
36 Preparing Y our Sy st ems for Clustering 4 Establish the physical network topo logy and the TCP/IP settings for network adapters on each server no de to provide access to the cluster public and private networks. 5 Configure each cluster node as a member in the same Microsoft ® W indows Active Directory ® Domain.
Preparing Y our Sy stems for Clustering 37 NOTE: For Windows Server 2008 Failover Clusters, you can also use the Cluster V alidation Wizard . 12 Configure highly-available applications and services on your failover cluster .
38 Preparing Y our Sy st ems for Clustering 4 The shared storage system 5 A failover cluster Installing the Fibre Channel HBAs Fo r d u a l - HBA configurations, It is r ecomm ended that you install the F ibre Channel HBAs on separate perip heral component interconnect (PCI) buses.
Preparing Y our Sy stems for Clustering 39 5 In the We l c o m e window of the setup wizard, click Next . 6 In the CLARiiON AX -Series window , select and click Next . F ollow the onscreen instructions to complete the installation. 7 Click Ye s to reboot the system.
40 Preparing Y our Sy st ems for Clustering A WWN consists of an 8-byte hexadecim al number with each byte separated by a colon. F or e xample, 10:00:00: 60:69:00:00:8a is a valid WWN. Using WWN port name zoning allows you to move cables between switch ports within the fabric without ha ving to update the zones.
Preparing Y our Sy stems for Clustering 41 • Create a zone for each HBA port and its tar get storage devices. • Each AX4-5 storage processor port can be connected to a maximum of 64 HBA ports in a SAN-attached environment. • Each host can be connected to a maximum of four storage systems.
42 Preparing Y our Sy st ems for Clustering e F ollow the on-scr een instruction s to complete the installation. 2 T o initialize the storage system: a Select Start → P rograms → EMC → Navisphere → Navisphere Storage System Initialization . b Read the license agreement, click I accept and then click Next .
Preparing Y our Sy stems for Clustering 43 Installing Navisphere Server Utility The Navisphere Server Utility r egisters the cluster node HBAs with the storage systems, allowing the nodes to access the cluster storage data.
44 Preparing Y our Sy st ems for Clustering Assigning the Virtual Disks to Cluster Nodes NOTE: For best practice, have at least one vir tual disk for each application. If multiple NTFS partitions are created on a single LUN or virtual disk, these partitions will not be able to fail over individually from node-to-node.
Preparing Y our Sy stems for Clustering 45 Snapshot Management Snapshot Management captures images of a virtual disk and r etains the image independently of subsequent changes to t he files. The images can be used to share virtual disks with another system without affecting the contents of the source virtual disk.
46 Preparing Y our Sy st ems for Clustering Installing and Configuring a Failover Cluster Y ou can configure the operating system services on your Dell W indows Server failover cluster , after you have establ ished the private and public networks and have assigned the shared disks from the storage array to the cluster nodes.
Appendix:T roubleshooting 47 T roubleshooting This section provides troubleshooting information for your cluster configuration. T able A-1 describes general cluster pr oblems you may encounter and the probable causes and solutions for each problem. T able A-1.
48 Appendix:T roubleshooting One of the nodes takes a long time to join the cluster . or One of the nodes fail to join the cluster . The node-to-node network has failed due to a cabling or hard ware failur e. Long delays in node- to-node communications may be normal.
Appendix:T roubleshooting 49 Attempts to connect to a cluster using Cluster Administrator fail. The Cluster Service has not been started. A cluster has not been formed on the system. The system has just been booted and services are still starting. V erify that the Cluster Service is running and that a cluster has been formed.
50 Appendix:T roubleshooting Y ou are prompted to configure one network instead of two during MSCS installation. The TCP/IP configuration is incorrect. The node-to-node network and public network must be assigned static IP addresses on differ ent subnets.
Appendix:T roubleshooting 51 Unable to add a node to the cluster . The new node cannot access the shared disks. The shared disks are enumerated by the operating system differently on the cluster nodes. Ensure that the new cluster node can enumerate the cluster disks using W indows Disk Administration.
52 Appendix:T roubleshooting Cluster Services does not operate correctly on a cluster running W indows Server 2003 and the Internet F irewall enabled. The W indows Internet Connection F irewall is enabled, which may conflict with Cluster Services. P erform the following steps: 1 On the W indows desktop, right-click My Computer and click Manage .
Appendix:T roubleshooting 53 P ublic network clients cannot access the applications or services that are provided by the cluster . One or more nodes may have the Internet Connection F irewall enabled, blocking RPC communications between the nodes.
54 Appendix:T roubleshooting.
Appendix: Cluster Data Form 55 Cluster Data Form Y ou can attach the following form in a convenient location near each cluster node or rack to recor d information abou t the cluster .
56 Appendix: Cluster Data Form Additional Networks T able B-3. Array Array xPE T ype Array Service T ag Number or World Wide Name Seed Number of Attached DAEs 1 2 3 4.
Appendix: Zoning Configuration Form 57 Zoning Configuration Form Node HBA WWPNs or Alias Names Storage WWPNs or Alias Names Zone Name Zone Set for Configuration Name.
58 Appendix: Zoning Configuration Form.
Index 59 Index C cable configurations cluster interconnect, 1 9 for client networks, 1 9 for mouse, keyboar d , and monitor , 1 5 for power supplies, 1 5 cluster configurations connecting to multiple .
60 Index mouse cabling, 1 5 MSCS installing and configuring, 4 6 N Navisphere Manager about, 4 5 hardwar e view , 4 5 storage view , 4 5 network adapters cabling the private network, 1 8 - 1 9 cabling.
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