Dell PowerVault 770N (Deskside NAS Appliance) User Manual

Dell™ PowerVault™ NAS Systems SCSI ClusterInstallation and Troubleshooting GuideGetting StartedPreparing Your Systems for ClusteringCabling Your Clust

Table 1-7 provides the minimum requirements for the shared storage system(s).Table 1-7. Cluster Shared Storage System RequirementsHardwareComponentMin

The cluster connections to the public network (for client access of cluster resources) require one or more identical networkadapters supported by the

Back to Contents PagePreparing Your Systems for ClusteringDell™ PowerVault™ NAS Systems SCSI Cluster Installation and Troubleshooting GuideBefore You

See "Installing and Configuring the Shared Storage System" for more information.4. Cable the system hardware for clustering. See "Cabl

7. Verify cluster functionality. Ensure that: Your cluster components are communicating properly with each other.MSCS is started.See "Verifying

before and after you install MSCS. If the IP assignments are not set up correctly, the cluster nodes may not be able tocommunicate with the domain. Se

to communicate with the domain and the Cluster Configuration Wizard may not allow you to configure all of your networks.See "Troubleshooting"

2. At the prompt, type: ipconfig /all3. Press <Enter>. All known IP addresses for each local server appear on the screen.4. Issue the ping co

12. Repeat this procedure for cluster node 2. Installing and Configuring the Shared Storage SystemClustering PowerVault Storage SystemsIf you are upg

NOTE: Only the FORCED JOINED JP8 jumper contains a jumper plug. The Dell-installed default for jumpers JP1, JP2,JP6, and JP7 is a noncluster operation

Back to Contents PageGetting StartedDell™ PowerVault™ NAS Systems SCSI Cluster Installation and Troubleshooting Guide Intended Audience Obtaining Te

Figure 2-3. Front Panel Features and Indicators

Split-Bus ModuleYour system supports three SCSI bus modes controlled by the split-bus module:Joined-bus modeSplit-bus modeCluster modeThese modes are

The only difference between cluster mode and joined-bus mode is the SCSI ID occupied by the enclosure services processor.When cluster mode is detected

Mode Position ofBusConfigurationSwitchFunctionJoined-busmodeUp LVD termination on the split-bus module is disabled, electrically joining the two SCSI

Figure 2-6. Important System WarningThe warning message appears on the screen immediately after activating the PERC BIOS configuration utility by pres

Setting the SCSI Host Adapter IDsAfter you enable cluster mode on the PERC card, you have the option to change the SCSI ID for both of the adapter&apo

After the virtual disks are created, write the disk signature, assign drive letters to the virtual disks, and then format thedrives as NTFS drives. Fo

b. Click OK. c. Go to step 9. To create a mount point:a. Click Add. b. Click Mount in the following empty NTFS folder. c. Type the path to an emp

NAS systems 2003, Enterprise Edition operating systemOperating system Windows Storage Server 2003, Enterprise EditionRAID controller One supported PER

Installing a PowerVault 775N NAS Cluster MinimumConfigurationThe following cluster components are required for a minimum system cluster configuration

Intended AudienceThis guide addresses two audience levels:Users and system installers who will perform general setup, cabling, and configuration of th

Configuring the Shared DisksThis section provides the steps for performing the following procedures:Creating the quorum resourceConfiguring the shared

The quorum resource is typically a hard drive in the shared storage system that serves the following purposes in a PowerVaultNAS Cluster configuration

NOTE: After you create the virtual disk and the virtual disk is initialized by the PERC 3 controller, you mustreboot the system.4. Write a signature

Installing and Configuring MSCSMSCS is an integrated service in the Windows Storage Server 2003, Enterprise Edition operating system. MSCS performs th

5. Follow the procedures in the wizard, and then click Finish. 6. Add the second node to the cluster. a. Turn on the remaining node. b. Click the

10. In the Add Nodes window, click Next. 11. In the Analyzing Configuration menu, Cluster Administrator analyzes the cluster configuration. If Clust

1. Start Cluster Administrator on the monitoring node. 2. Click the Start button and select Programs→ Administrative Tools (Common)→ Cluster Adminis

For example, if a cluster has two volumes and each node owns one of the volumes, a typical scenario in an active/activeconfiguration (where virtual se

Managing Shadow CopiesYou must use the Dell PowerVault NAS Manager to manage your shadow copies. Using Cluster Administrator or cluster.exeto manage s

3. Select Cluster Administrator. Creating a System State BackupA system state backup of your proven cluster configuration can help speed your recover

both systemsStorage systems — One to four PowerVault 21xS or 22xS storage systemsEach cluster node is configured with software and network resources t

Back to Contents PageCabling Your Cluster HardwareDell™ PowerVault™ NAS Systems SCSI Cluster Installation and Troubleshooting Guide Cabling the NAS S

When performing the following procedures, reference the appropriate figures according to the type of NAS systems that areinstalled in your cluster.1.

8. Ensure that the PERC card is installed in the same PCI slot in both PowerVault NAS systems. 9. On the first SCSI cable, connect the UHDCI connect

Figure 3-5. Cabling a Clustered PowerVault 775N NAS System to One PowerVault 21xS Storage System

Figure 3-6. Cabling a Clustered PowerVault 775N NAS System to One PowerVault 22xS Storage System10. Tighten and secure the retaining screws on the SC

Connecting the cluster to two PowerVault storage systems is similar to connecting the cluster to a single PowerVault storagesystem. Connect PERC card

CAUTION: The arrangement of the cluster components in this illustration is intended only to demonstratethe power distribution of the components. Do no

Figure 3-10. Cabling Two PowerVault 22xS Storage Systems to a PowerVault 775N NAS SCSI ClusterCabling Three or Four PowerVault 22xS Storage Systems to

Cabling Your Public and Private NetworksThe network adapters in the cluster nodes provide at least two network connections for each node. These connec

Installing redundant network adapters provides your cluster with a failover connection to the public network. If the primarynetwork adapter or a switc

Primary Domain Controller (PDC) NOTE: If another domain controller is not available on the network, you can configure a NAS cluster node as a domainco

circuit.CAUTION: For operation in Europe, the NAS SCSI cluster requires two circuits rated in excess of thecombined load of the attached systems. Refe

CAUTION: The arrangement of the cluster components in this illustration is intended only to demonstratethe power distribution of the components. Do no

CAUTION: The arrangement of the cluster components in this illustration is intended only to demonstratethe power distribution of the components. Do no

CAUTION: The arrangement of the cluster components in this illustration is intended only to demonstratethe power distribution of the components. Do no

Back to Contents PageMaintaining Your ClusterDell™ PowerVault™ NAS Systems SCSI Cluster Installation and Troubleshooting GuideAdding a Network Adapter

e. Assign a unique static IP address, subnet mask, and gateway. 4. Ensure that the network ID portion of the new network adapters IP address is diff

Removing a Node Using Cluster Administrator1. Take all resource groups offline or move them to another cluster node. 2. Click the Start button, sele

To start the cluster manually from a command prompt:1. Open a command prompt window. 2. Select the cluster folder directory by typing the following:

3. Disconnect the failed PERC card's cable from the shared storage system. NOTICE: If you replace your PERC card, ensure that you enable cluster

The following subsections describe the components that are common to the PowerVault NAS cluster, as well as thecomponents that are specific to each cl

d. Close Cluster Administrator. 3. Shut down the cluster node you are replacing and disconnect the network, power, and SCSI cables. 4. Ensure that

b. Verify that the configuration that is being displayed includes the existing configuration on the disks. c. Press <Esc>, select Yes to save

c. Evict the remaining node from the cluster. d. Close Cluster Administrator. 3. Shut down the evicted node and disconnect the power, network, and

12. Rejoin the node to the domain. 13. Start Cluster Administrator on the remaining node and perform the following steps: a. Join the node to the c

where 6000000 equals 6000000 milliseconds (or 100 minutes).9. Click Apply. 10. On the Windows desktop, right-click My Computer and select Manage. Th

8. Restart node 1. 9. On node 1, use Cluster Administrator to add a new group (for example Disk Group n:). 10. Select possible owners, but do not b

5. In the Arrays directory, select PERC Subsystem 1→ <your_PERC_card>x (Cluster)→ (Channel 0) or (Channel1). where x indicates the number assoc

Back to Contents PageUsing MSCSDell™ PowerVault™ NAS Systems SCSI Cluster Installation and Troubleshooting Guide Cluster Objects Cluster Networks N

A network that carries internal cluster communicationA public network that provides client systems with access to cluster application servicesA public

All nodes in the cluster are grouped under a common cluster name, which is used when accessing and managing thecluster. Table 5-1 defines various stat

Cluster Platform Guide.CrossovercableOne Ethernet crossover cable for the node-to-node cluster interconnect (private network).Keyboardand monitorA key

the group's resources and can be modified by an Administrator.To maximize the processing power of a cluster, establish at least as many groups as

tabs.Properties of a cluster object should not be updated on multiple nodes simultaneously. See the MSCS online documentationfor more information.Reso

Resource ParametersThe Parameters tab in the Properties dialog box is available for most resources. Table 5-3 lists each resource and itsconfigurable

an existing cluster, MSCS can retrieve the data from the other active nodes. However, when a node forms a cluster, no othernode is available. MSCS use

When you configure the Retry Period On Failure properly, consider the following guidelines:Select a unit value of minutes, rather than milliseconds (t

5. In the New Resource wizard, type the appropriate information in Name and Description, and click the appropriateinformation in Resource type and Gr

7. Click the Start button and select Programs→ Administrative→ Tools→ Cluster Administrator. 8. In the Cluster Administrator left window pane, ensur

Deleting a File Share1. Click the Start button and select Programs→ Administrative→ Tools→ Cluster Administrator. 2. In the Cluster Administrator wi

Enabling Cluster NFS File Share CapabilitiesAfter you add a node to the cluster, enable the NFS file sharing capabilities by performing the following

The group's resources are taken offline. The resources in the group are taken offline by MSCS in the order determined by the group's depende

Figure 1-2. PowerVault 775N Cluster SolutionMinimum System RequirementsIf you are installing a new PowerVault NAS SCSI cluster or upgrading an existin

cluster node has been restarted and rejoins the cluster, MSCS will bring the running application and its resources offline,move them from the failover

Back to Contents PageTroubleshootingDell™ PowerVault™ NAS Systems SCSI Cluster Installation and Troubleshooting GuideThis appendix provides troublesho

time to join the cluster. due to a cabling or hardware failure.Long delays in node-to-nodecommunications may be normal.to-node interconnection and the

The Create NFS Share optiondoes not exist.The Enable NFS Share utility is notinstalled on one of the cluster nodes.Run the Enable NFS File Share utili

Back to Contents PageCluster Data SheetDell™ PowerVault™ NAS Systems SCSI Cluster Installation and Troubleshooting Guide PowerVault SCSI Cluster Solu

Additional Node 1 networkadapter(s) Node 2, network adapter 1 Node 2, network adapter 2 Additional Node 2 networkadapter(s) System S

PCI slot8 PCI slot9 PCI slot10 PCI slot11 Back to Contents Page

Back to Contents PageAbbreviations and AcronymsDell™ PowerVault™ NAS Systems SCSI Cluster Installation and Troubleshooting GuideAampere(s)APIApplicati

CIFSCommon Internet File Systemcmcentimeter(s)DCdirect currentDFSdistributed file systemDHCPdynamic host configuration protocolDLLdynamic link library

Fibre ChannelFCALFibre Channel arbitrated loopftfeetFTPfile transfer protocolggram(s)GBgigabyteGbgigabitGb/sgigabits per secondGUIgraphical user inter

PowerVault NAS Cluster Minimum System RequirementsPowerVault NAS SCSI cluster configurations require the following hardware and software components:Cl

HzhertzIDidentificationIISInternet Information ServerI/Oinput/outputIPInternet ProtocolKkilo- (1024)lbpound(s)LANlocal area networkLEDlight-emitting d

mmeterMBmegabyte(s)MB/secmegabyte(s) per secondMHzmegahertzMMCMicrosoft® Management ConsoleMSCSMicrosoft Cluster ServiceMSDTCMicrosoft Distributed Tra

nonvolatile read-only memoryPAEphysical address extensionPCBprinted circuit boardPDCprimary domain controllerPDUpower distribution unitPERCPowerEdge™

rpmrevolutions per minuteSAF-TESCSI accessed fault-tolerant enclosuresSCSIsmall computer system interfacesecsecond(s)SEMMSCSI expander management modu

ultra high-density connector interfaceUPSuninterruptible power supplyVvolt(s)VHDCIvery high-density connector interfaceWINSWindows Internet Naming Ser