StarWind SoftwareTechnical Reference Series
Copyright © StarWind Software 2008-2011. All rights reserved.
StarWind iSCSI SAN Software: Using StarWindwith MS Cluster on Windows Server 2003
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StarWind SoftwareTechnical Reference Series
COPYRIGHT
Copyright © StarWind Software 2008-2011. All rights reserved. No part of thispublication may be reproduced, stored in a retrieval system, or transmitted in anyform or by any means, electronic, mechanical, photocopying, recording or otherwise,without the prior written consent of StarWind Software.
TRADEMARKS
“StarWind”, “StarWind Software” and the StarWind and the StarWind Software logosare trademarks of StarWind Software which may be registered in some jurisdictions.All other trademarks are owned by their respective owners.
CHANGES
The material in this document is for information only and is subject to change withoutnotice. While reasonable efforts have been made in the preparation of this documentto assure its accuracy, StarWind Software assumes no liability resulting from errors oromissions in this document, or from the use of the information contained herein.StarWind Software reserves the right to make changes in the product design withoutreservation and without notification to its users.
TECHNICAL SUPPORT AND SERVICES
If you have questions about installing or using this software, check this and otherdocuments first - you will find answers to most of your questions here or there. If youneed further assistance, please contact us.
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Table of Contents
....................................................................................................... 4Introduction
....................................................................................................... 6Configuring Domain Controller................................................................................................................ 6Network Adapter ................................................................................................................ 7Active Directory
................................................................................................................ 21DNS
................................................................................................................ 33User Accounts ....................................................................................................... 48Configuring StarWind Server
................................................................................................................ 48Network Adapter
................................................................................................................ 49Preparing Quorum Volume
................................................................................................................ 56Preparing Generic Volume ....................................................................................................... 64Preparing Cluster Nodes
................................................................................................................ 64Node 1
................................................................................................................ 98Node 2 ....................................................................................................... 118Configuring Microsoft Cluster Service
................................................................................................................ 118Node 1
................................................................................................................ 129Node 2 ....................................................................................................... 138Adding New Shared Disk Resource
................................................................................................................ 138StarWind Target
................................................................................................................ 145Node 1
................................................................................................................ 159Node 2
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Guide
Introduction
Software clustering technology enables you to make several servers to workas a unit. Various cluster configurations can be implemented. One of the mostfrequently used configurations is the failover cluster. This configurationassumes that if one of the cluster nodes fails, the reserved node automaticallybrings online, serving the applications. With that the workflow remainsuninterrupted and secured.
Failover cluster configuration includes two (or more) server nodes that sharean external storage. Based on the iSCSI technology, StarWind Software Inc.StarWind enables to create an external storage in Windows environmentwithout implementation of expensive FC or external SCSI solutions. WithStarWind you can create a shared disk array on a host running MicrosoftWindows.
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This document gives you detailed step-by-step instructions on StarWindconfiguring for failover clusters.
Figure 1. StarWind provides shared-disk resources to clusters
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Configuring Domain Controller
Network Adapter
The network adapter must be assigned a static IP address. Select the Use thefollowing IP address option and type in the IP address you wish to use. TheSubnet mask must also be provided. Both values must be correctly chosengiven the networking configuration of the Corporate LAN. As AD requiresDNS, an address must be provided – in this case we can specify 127.0.0.1(loopback interface address). DNS will be installed later with the other ADcomponents.
Press the OK button.
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Active Directory
Select Start->Run and type in dcpromo.
Press the OK button to continue.
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The Active Directory Installation Wizard appears.
Press the Next button to continue.
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In the wizard that appears please read the introducing instructions.
Press the Next button to continue.
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As we are creating a new domain, select Domain controller for a new domain.
Press the Next button to continue.
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Create New Domain page appears. Select Domain in a new forest option.
Press the Next button to continue.
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Specify the full DNS name of the domain to create.
Press the Next button to continue.
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Specify Domain NetBIOS name.
Press the Next button to continue.
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Customize the directories where the AD database and log files will be stored orleave the values at their defaults.
Press the Next button to continue.
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Customize the directory where the SYSVOL data will be stored or leave thevalue at its default.
Press the Next button to continue.
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DNS Registration Diagnostics page appears. Select Install and configure theDNS server on this computer, and set this computer to use this DNS serveras its preferred DNS server option.
Press the Next button to continue.
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Select default permissions for user and group objects.
Press the Next button to continue.
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Type in the Directory Services Restore Mode Administrator Password.
Press the Next button to continue.
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Review the options summary. Press the Back button should any changes berequired.
Press the Next button to continue.
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If successful, the wizard should look like the example image provided below.
Press the Finish button to close the wizard.
Press the Restart Now button to restart the computer.
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DNS
Log on to the Domain controller using an account with administrativeprivileges. Launch the DNS Manager and configure the Reverse Lookup Zone.
Press the right mouse button over the Reverse Lookup Zone node and selectNew Zone... popup menu item.
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New Zone Wizard appears.
Press the Next button to continue.
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On the Zone Type page, select Primary Zone option and check the Store thezone in the Active Directory checkbox.
Press the Next button to continue.
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Specify the replication scope or accept the default option.
Press the Next button to continue.
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Type in the Network ID to identify the reverse lookup zone.
Press the Next button to continue.
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Specify dynamic update options.
Press the Next button to continue.
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Check that all of the parameters are correct. Press the Back button should anychange be required.
Press the Finish button.
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Press the right mouse button over rds.local forward lookup zone and selectNew Host (A)....pop-up menu item.
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New Host dialog appears. Type in the hostname of the Cluster Node 1 Serverand its IP address. Also please check the Create associated pointer (PTR)record checkbox.
Press the Add Host button to add node1 DNS record.
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Type in the hostname of the Cluster Node 2 Server and its IP address. Alsoplease check the Create associated pointer (PTR) record checkbox.
Press the Add Host button to add node2 DNS record.
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If successful, the DNS Manager console should look like the example imagesprovided below.
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User Accounts
Administrator accounts must now be created to manage first and the secondcluster node servers. Launch the Active Directory Users and Computersmanagement console.
Press the right mouse button over the Users node. Select New->User.
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In the dialog that appears, enter the required fields as shown in the exampleimage.
Press the Next button to continue.
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Enter the password and optionally set the additional options.
Press the Next button to continue.
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Check that all of the parameters are correct. Press the Back button should anychange be required.
Press the Finish button to create new user.
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Once again press the right mouse button over the Users node.
Select New->User.
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In the dialog that appears, enter the required fields as shown in the exampleimage.
Press the Next button to continue.
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Enter the password and optionally set the additional options.
Press the Next button to continue.
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Check that all of the parameters are correct. Press the Back button should anychange be required.
Press the Finish button to create new user.
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Also Cluster Service Account must now be created under which the clusterservice will be run. Launch the Active Directory Users and Computersmanagement console.
Press the right mouse button over the Users node. Select New->User.
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In the dialog that appears, enter the required fields as shown in the exampleimage.
Press the Next button to continue.
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Enter the password and optionally set the additional options.
Press the Next button to continue.
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Check that all of the parameters are correct. Press the Back button should anychange be required.
Press the Finish button to create new user.
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The two users, node1adm and node2adm, must be made members of boththe Administrators and Domain Admins groups. Select both of the accountsand press the right mouse button over the selection as shown in the exampleimage.
Select Add to a group option.
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Select Group dialog appears. Enter Domain Admins as the name of the group.
Press the OK button.
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Repeat the same steps to to add node1adm and node2adm users toAdministrators group.
Press the OK button.
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Configuring StarWind Server
Network Adapter
The network adapter must be assigned a static IP address. Select the Use thefollowing IP address option and type in the IP address you wish to use. TheSubnet mask must also be provided. Both values must be correctly chosengiven the networking configuration of the dedicate iSCSI network that thecluster will be a part of. This interface is used for iSCSI target storagecommunications and a default gateway need not be specified.
Press the OK button.
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Preparing Quorum Volume
Launch the StarWind Management Console selecting Start -> All Programs ->StarWind Software -> StarWind -> StarWind. After the console is launched itsicon appears in the system tray. Double click the icon with the left mousebutton or single click it with the right and select Start Management pop-upmenu item. From the StarWind Servers tree please select the computer youwish to connect to. Press the right mouse button over the desired host(computer) and select the Connect menu item. You will be prompted to enterthe login and password. Default ones are: root, starwind. You can alwayschange them later. After you have successfully connected to the StarWind Service, please clickthe right mouse button over the desired host (computer) and select AddTarget pop-up menu item. In the wizard that appears, select a target name.The name must be a unique name by which the device will be declared to theiSCSI initiators connecting to StarWind over an IP network.
Press the Next button to continue.
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Select Image File device.
Press the Next button to continue.
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Select Create new virtual disk to create a new virtual hard disk or Mountexisting virtual disk to mount an existing virtual disk that you’ve preparedbefore.
Press the Next button to continue.
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If you have decided to create a new virtual disk please specify the location andthe name of the virtual disk you wish to be created. Also you have to providethe virtual disk size in megabytes. Check any additional parameters of thevirtual disk you wish to create. Please refer to the online help for detailsregarding those additional parameters (Compressed and Encrypted).
Press the Next button to continue.
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Image File device has some extra parameters. Check Allow multipleconcurrent iSCSI connections (clustering) checkbox. Please refer to the onlinehelp for details regarding those additional parameters (Asynchronous mode,Allow multiple connections (clustering), Read-only mode and Specifyadvanced options).
Press the Next button to continue.
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Check the device parameters are correct. Press the Back button should anychanges be required.
Press the Next button to continue.
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A summary of the created device is displayed on the last wizard page (seeimage below).
Press the Finish button to close the wizard.
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Preparing Generic Volume
Click the right mouse button over the host and select Add Target pop-up menuitem.In the wizard that appears, select a target name. The name must be a uniquename by which the device will be declared to the iSCSI initiators connecting toStarWind over an IP network.
Press the Next button to continue.
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Select Image File device.
Press the Next button to continue.
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Select Create new virtual disk to create a new virtual hard disk or Mountexisting virtual disk to mount an existing virtual disk that you’ve preparedbefore.
Press the Next button to continue.
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If you have decided to create a new virtual disk please specify the location andthe name of the virtual disk you wish to be created. Also you have to providethe virtual disk size in megabytes. Check any additional parameters of thevirtual disk you wish to create. Please refer to the online help for detailsregarding those additional parameters (Compressed and Encrypted).
Press the Next button to continue.
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Image File device has some extra parameters. Check Allow multipleconcurrent iSCSI connections (clustering) checkbox. Please refer to the onlinehelp for details regarding those additional parameters (Asynchronous mode,Allow multiple connections (clustering), Read-only mode and Specifyadvanced options).
Press the Next button to continue.
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Check the device parameters are correct. Press the Back button should anychanges be required.
Press the Next button to continue.
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A summary of the created device is displayed on the last wizard page (seeimage below).
Press the Finish button to close the wizard.
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If successful, the StarWind Console should look like the sample imageprovided below.
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Preparing Cluster Nodes
Node 1
Configuring network interfaces
Each adapter will be assigned a static IP address. Select the Use the followingIP address option and type in the IP address you wish to use. The Subnet maskand DNS server address must also be provided. All the values must becorrectly chosen given the networking configuration of the Corporate LAN thatthe cluster will be a part of.
Press the OK button.
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Just as was done for the first network adapter, assign appropriate values tothe TCP/IP configuration of the second network adapter using the followingexample image as guidance. This interface is used for iSCSI target storagecommunications and a default gateway need not be specified.
Press the OK button.
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Joining the domain
Launch System Properties tool selecting Control Panel -> System. Select Computer Name tab.
Press the Change… button.
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In the Computer Name Changes dialog enter domain to join.
Press the OK button.
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Enter the name and password of an account with permission to join to thedomain (node1adm).
Press the OK button to join.
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If successful, the notification dialog like the one on the image shown belowshould appear.
Press the OK button.
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You must restart the computer for the changes to take effect.
Restart the server. Log in as node1adm and install MS iSCSI Initator.
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Configuring iSCSI initiator
The MS iSCSI Initiator is a free application that is available for download fromthe Microsoft Web site http://www.microsoft.com/downloads/details.aspx?FamilyID=12cb3c1a-15d6-4585-b385-befd1319f825&displaylang=en. It is required to connect to the iSCSI devices. Before continuing, ensure thatthe MS iSCSI Initiator is installed.Launch the Microsoft iSCSI Software Initiator application Start->All Programs->Microsoft iSCSI Initiator-> Microsoft iSCSI Initiator.
Select the Discovery Tab.
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In the Target Portals group, click the Add button.
Press the Add button.
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In the Add Target Portal dialog enter IP address or DNS name of the StarWindtarget server.
Press the OK button to continue.
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Click on the Targets tab. Select the IQN of the target just added.
Press the Log On… button.
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The Log On to Target dialog now appears. In this dialog click on the checkboxAutomatically restore this connection when the system boots to make thisconnection persistent.
Press the OK button to continue.
Press the OK button to continue.
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If successful, the initiator is now logged on to StarWind.
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Initializing, formatting and creating partitions
When the StarWind Disks are connected, they show up on the initiatormachine as new disk devices. Before these devices can be used as clusterdisks, they have to be initialized and formatted. Launch the ComputerManagement console.
Select Disk Management.
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Follow the Initialize and Convert Disk Wizard to initialize the new disks. Usethe default settings that Windows provides. By default the disk will beinitialized as the basic disk. MSCS works only with the basic disks.
Press the Next button to continue.
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Press the Next button to continue.
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Press the Next button to continue.
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Press the Finish button to close the wizard.
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After the Wizard completes initialization, press the right mouse button on theunallocated space and select New Partition popup menu item. Follow theinstructions of the wizard to create an NTFS partition for use as the quorumdisk. Use the default settings that Windows provides. (The default settings aresufficient for most environments.)
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New Partition Wizard appears.
Press the Next button to continue.
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Select partition type to create.
Press the Next button to continue.
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Specify new partition size in megabytes.
Press the Next button to continue.
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Choose the Drive Letter to assign.
Press the Next button to continue.
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Specify format options. Provide the Volume Label.
Press the Next button to continue.
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Check the settings are correct. Press the Back button should any changes berequired.
Press the Finish button to close the wizard.
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If successful, a new volume will be created as shown in the example imagebelow. Repeat the same steps to create the second volume.
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New Partition Wizard appears.
Press the Next button to continue.
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Select partition type to create.
Press the Next button to continue.
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Specify new partition size in megabytes.
Press the Next button to continue.
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Choose the Drive Letter to assign.
Press the Next button to continue.
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Specify format options. Provide the Volume Label.
Press the Next button to continue.
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Check the settings are correct. Press the Back button should any changes berequired.
Press the Finish button to close the wizard.
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If successful, both of the disks are now formatted as shown in the exampleimage below.
Shut down the server.
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Node 2
Configuring network interfaces
Each adapter will be assigned a static IP address. Select the Use the followingIP address option and type in the IP address you wish to use. The Subnet maskand DNS server address must also be provided. All the values must becorrectly chosen given the networking configuration of the Corporate LAN thatthe cluster will be a part of.
Press the OK button.
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Just as was done for the first network adapter, assign appropriate values tothe TCP/IP configuration of the second network adapter using the followingexample image as guidance. This interface is used for iSCSI target storagecommunications and a default gateway need not be specified.
Press the OK button.
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Joining the domain
Launch System Properties tool selecting Control Panel -> System. Select Computer Name tab.
Press the Change… button.
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In the Computer Name Changes dialog enter domain to join.
Press the OK button.
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Enter the name and password of an account with permission to join to thedomain (node2adm).
Press the OK button to join.
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If successful, the notification dialog like the one on the image shown belowshould appear.
Press the OK button.
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You must restart the computer for the changes to take effect.
Restart the server. Log in as node2adm and install MS iSCSI Initator.
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Configuring iSCSI initiator
The MS iSCSI Initiator is a free application that is available for download fromthe Microsoft Web site http://www.microsoft.com/downloads/details.aspx?FamilyID=12cb3c1a-15d6-4585-b385-befd1319f825&displaylang=en. It is required to connect to the iSCSI devices. Before continuing, ensure thatthe MS iSCSI Initiator is installed.Launch the Microsoft iSCSI Software Initiator application Start->All Programs->Microsoft iSCSI Initiator-> Microsoft iSCSI Initiator.
Select the Discovery Tab.
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In the Target Portals group, click the Add button.
Press the Add button.
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In the Add Target Portal dialog enter IP address or DNS name of the StarWindtarget server.
Press the OK button to continue.
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Click on the Targets tab. Select the IQN of the target just added.
Press the Log On… button.
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The Log On to Target dialog now appears. In this dialog click on the checkboxAutomatically restore this connection when the system boots to make thisconnection persistent.
Press the OK button to continue.
Press the OK button to continue.
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If successful, the initiator is now logged on to StarWind.
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Assigning drive letters
When the StarWind Disks are connected, they show up on the initiatormachine as new disk devices. Before these devices can be used as clusterdisks, they have to be mounted. Launch the Computer Management console.
Select Disk Management.
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The two disks that were formatted on the Cluster Node 1 Server should nowappear without any drive letter mounted. Assign the same letters to those thatwere used when these drives were formatted.
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Press the right mouse button over the Quorum volume.
Select Change Drive Letter and Paths...
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Change the Drive Latter for the Quorum to Q.
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Press the right mouse button over the Generic volume.
Select Change Drive Letter and Paths...
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Change the Drive Latter for the Generic to R.
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If successful, the Computer Management console should look like the sampleimage provided below.
Shut down the server.
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Configuring Microsoft Cluster Service
Node 1
Turn on the Cluster Node 1 Server. Log in to the server using an account withadministrative privileges (node1adm). Launch the Cluster Administratorconsole.Select Create new cluster item from the Action drop-down list of the OpenConnection to Cluster dialog box.
Press the OK button to continue.
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New Server Cluster Wizard appears.
Press the Next button to continue.
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On the Cluster Name and Domain page, specify the appropriate cluster anddomain names.
Press the Next button to continue.
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On the Select Computer page of the wizard the computer name of the firstnode in the cluster should already be filled in. If not, specify the name of thecomputer in the edit box.
Press the Next button to continue.
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The wizard will analyze the settings, including the shared resource andnetwork connectivity. If everything goes well, the Next button becomesenabled. If any errors occurred, review the information and correct the errorsbefore proceeding.
Press the Next button to continue.
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On the IP Address page, specify the IP address for the cluster. This addressmaps to the cluster name and should not be used by other computers.
Press the Next button to continue.
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On the Cluster Service Account page specify the domain account that theservice will run under. This account must be a domain user.
Press the Next button to continue.
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Verify that all information on the Proposed Cluster Configuration page iscorrect. Configure the quorum settings (Press the Quorum… button and selectthe disk to be used as quorum).
Press the OK button.Press the Next button to create the cluster.
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The wizard will attempt to create the cluster. The process may take a fewminutes. If there any errors occurred, review the log and error messages tosolve the problem. When complete, the Next button becomes enabled.
Press the Next button to continue.
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Completing the New Server Cluster Wizard page appears.
Press the Finish to complete the task. The cluster is now operational andadditional nodes can be added to the cluster.
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The new cluster is created.
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Node 2
Turn on the Cluster Node 2 Server. Log in to the server using an account withadministrative privileges (node2adm). Launch the Cluster Administratorconsole. Select Add nodes to cluster item from the Action drop-down list of the OpenConnection to Cluster dialog box.
Press the OK button to continue.
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Press the Browse button and specify the name of the recently created clusterin the Cluster or server name list.
Press the OK button to add this server to the cluster.
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Add Nodes Wizard appears.
Press the Next button to continue.
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On the Select Computers page, press the Add button to add the server to thecluster.
Press the Next button to continue.
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The wizard will start to analyze the configuration provided. If there are noerrors, the Next button becomes enabled. If any errors occurred, review thedetailed information and correct the errors before proceeding.
Press the Next button to continue.
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Enter the password for the user provided to run the cluster service.
Press the Next button to continue.
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The Proposed Cluster Configuration page appears.
Press the Next button to add this server to the cluster.
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Completing the Add Nodes Wizard page appears.
Press Finish to complete the operation. The server is now a node in thecluster.
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The new node is added to the cluster.
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Adding New Shared Disk Resource
StarWind Target
Click the right mouse button over the host and select Add Target pop-up menuitem.In the wizard that appears, select a target name. The name must be a uniquename by which the device will be declared to the iSCSI initiators connecting toStarWind over an IP network.
Press the Next button to continue.
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Select Image File device.
Press the Next button to continue.
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Select Create new virtual disk to create a new virtual hard disk or Mountexisting virtual disk to mount an existing virtual disk that you’ve preparedbefore.
Press the Next button to continue.
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If you have decided to create a new virtual disk please specify the location andthe name of the virtual disk you wish to be created. Also you have to providethe virtual disk size in megabytes. Check any additional parameters of thevirtual dsik you wish to create. Please refer to the online help for detailsregarding those additional parameters (Compressed and Encrypted).
Press the Next button to continue.
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Image File device has some extra parameters. Check Allow multipleconcurrent iSCSI connections (clustering) checkbox. Please refer to the onlinehelp for details regarding those additional parameters (Asynchronous mode,Allow multiple connections (clustering), Read-only mode and Specifyadvanced options).
Press the Next button to continue.
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Check the device parameters are correct. Press the Back button should anychanges be required.
Press the Next button to continue.
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A summary of the created device is displayed on the last wizard page (seeimage below).
Press the Finish button to close the wizard.
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Node 1
Launch the MS iSCSI Initiator. Click on the Targets tab. Select the IQN of thetarget just added.
Press the Log On… button.
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The Log On to Target dialog now appears. In this dialog click on the checkboxAutomatically restore this connection when the system boots to make thisconnection persistent.
Press the OK button to continue.
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When the StarWind Disks is connected, it shows up on the initiator machine asnew disk device. Before this device can be used as cluster disk, it have to beinitialized and formatted. Launch the Computer Management console. SelectDisk Management.
Follow the Initialize and Convert Disk Wizard to initialize the new disks. Usethe default settings that Windows provides. By default the disk will beinitialized as the basic disk. MSCS works only with the basic disks.
Press the Next button to continue.
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Press the Next button to continue.
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Press the Next button to continue.
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Press the Finish button to close the wizard.
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After the Wizard completes initialization, press the right mouse button on theunallocated space and select New Partition popup menu item. Follow theinstructions of the wizard to create an NTFS partition for use as the quorumdisk. Use the default settings that Windows provides. (The default settings aresufficient for most environments.)
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New Partition Wizard appears.
Press the Next button to continue.
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Select partition type to create.
Press the Next button to continue.
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Specify new partition size in megabytes.
Press the Next button to continue.
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Choose the Drive Letter to assign.
Press the Next button to continue.
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Specify format options. Provide the Volume Label.
Press the Next button to continue.
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Check the settings are correct. Press the Back button should any changes berequired.
Press the Finish button to close the wizard.
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If successful, the disk is now formatted as shown in the example image below.
Shut down the node.
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Node 2
Launch the MS iSCSI Initiator. Click on the Targets tab. Select the IQN of thetarget just added.
Press the Log On… button.
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The Log On to Target dialog now appears. In this dialog click on the checkboxAutomatically restore this connection when the system boots to make thisconnection persistent.
Press the OK button to continue.
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If successful, the initiator is now logged on to StarWind.
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When the StarWind Disk is connected, it shows up on the initiator machine asnew disk device. Before this devices can be used as cluster disk, it have to bemounted. Launch the Computer Management console.
Select Disk Management.The disk that was formatted on the Cluster Node 1 Server should now appearwithout any drive letter mounted. Assign the same letter to this that was usedwhen this drive was formatted.
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Press the right mouse button over the Spool volume.
Select Change Drive Letter and Paths...
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Change the Drive Latter for the Spool to S.
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If successful, the Computer Management console should look like the sampleimage provided below.
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Launch the Cluster Administrator console and open connection to the cluster.
Right-press on the Resources node and select New -> Resource.
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Specify a name for this new resource. For Resource Type, specify PhysicalDisk from the list. For Group, select the group to which this resource shouldbelong.
Press the Next button to continue.
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On the Possible Owners page, specify all nodes in the cluster as the possibleowners.
Press the Next button to continue.
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The disk resource should not require any dependencies.
Press the Next button to continue.
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Select the recently created partition from the list of disks.
Press the Finish button to complete the operation.
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The new resource should appear as offline in the details view of the Resourcenode.
Right-press on the resource and select Bring Online item of the context menu.
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When completed, the disk is now a cluster disk.
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Start the other servers in the cluster.
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Contacts
StarWind Software Inc.
40 Mall Rd., Burlington
MA 01803, USA
www.starwindsoftware.com
Support:
Support Forum:
Sales E-mail:
US Headquarters
EMEA, APAC
www.starwindsoftware.com/support
www.starwindsoftware.com/forums
Direct phone numbers: +44-0-2071936727
+44-0-2071936350
174Copyright © StarWind Software 2008-2011. All rights reserved.
Voice Mail: 1-866-790-2646
Direct phone number: 1-617-449-7717
Fax: 1-617-507-5845