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Novell INTERNET STORAGE NAME SERVICE 1.0 - ADMINISTRATION Manual

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Internet Storage Name Service

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N o v e m b e r 1 4 , 2 0 0 7
N O V E L L I N T E R N E T S T O R A G E N A M E
S E R V I C E A D M I N I S T R A T I O N G U I D E
w w w . n o v e l l . c o m

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Summary of Contents for Novell INTERNET STORAGE NAME SERVICE 1.0 - ADMINISTRATION

  • Page 1: Internet Storage Name Service

    Linux Administration Guide Novell Internet Storage Name Service w w w . n o v e l l . c o m 1 . 0 N O V E L L I N T E R N E T S T O R A G E N A M E...

  • Page 2: Legal Notices

    Further, Novell, Inc. reserves the right to make changes to any and all parts of Novell software, at any time, without any obligation to notify any person or entity of such changes.
  • Page 3 Novell Trademarks For Novell Trademarks, see the Novell Trademark and Service Mark list (http://www.novell.com/company/legal/ trademarks/tmlist.html). Third-Party Materials All third-party trademarks are the property of their respective owners.

  • Page 5: Table Of Contents

    Contents About This Guide 1 iSNS for Linux Overview How iSNS Works ............9 Benefits of iSNS.
  • Page 6 iSNS for Linux Administration Guide...

  • Page 7: About This Guide

    SLES 10 Documentation Web site (http://www.novell.com/documentation/sles10/index.html#additional). Documentation Conventions In Novell documentation, a greater-than symbol (>) is used to separate actions within a step and items in a cross-reference path. ® A trademark symbol ( , ™, etc.) denotes a Novell trademark. An asterisk (*) denotes a third-party trademark.
  • Page 8 iSNS for Linux Administration Guide...

  • Page 9: Isns For Linux Overview

    iSNS for Linux Overview Storage area networks (SANs) can contain many disk drives that are dispersed across complex networks. This can make device discovery and device ownership difficult. iSCSI initiators must be able to identify storage resources in the SAN and determine whether they have access to them. Internet Storage Name Service (iSNS) is a standards-based service that is available with SUSE Linux Enterprise Server (SLES) 10 Support Pack 1.

  • Page 10: Benefits Of Isns

    registered clients, and receive asynchronous notification of events that occur in their discovery domain. iSNS servers respond to iSNS protocol queries and requests made by iSNS clients using the iSNS protocol. iSNS servers initiate iSNS protocol state change notifications and store properly authenticated information submitted by a registration request in an iSNS database.

  • Page 11: Isns For Linux Installation And Setup

    iSNS for Linux Installation and Setup iSNS for Linux is included with SLES 10 SP1, but is not installed or configured by default. You must install the iSNS package modules (isns and yast2-isns modules) and configure or set up iSNS to use it.

  • Page 12: Starting Isns

    Editing the iSCSI Target Configuration File Edit the /etc/ietd.conf file and add the following line: iSNSServer isns_server_ip_address Replace isns_server_ip_address with the IP address of the server where you installed iSNS. A commented-out section with this line might already exist in the configuration file. If this is the case, you only need to replace the sample IP address with the IP address of your iSNS server.

  • Page 13: Creating Isns Discovery Domain Sets

    NOTE: The field is mislabeled as Discovery Domain Set Name. Specifying a name in this field creates a discovery domain, not a discovery domain set. 2.2.4 Creating iSNS Discovery Domain Sets Discovery domains must belong to a discovery domain set. You can create a discovery domain and add nodes to that discovery domain, but it is not active and the iSNS service does not function unless you add the discovery domain to a discovery domain set.

  • Page 14: Setting Up The Iscsi Initiator To Use The Isns Server

    4 Repeat Step 3 for as many discovery domains as you want to add to the discovery domain set, then click Done. A discovery domain can belong to more than one discovery domain set. 2.2.7 Setting Up the iSCSI Initiator to Use the iSNS Server Do the following for each iSCSI initiator server that should use the iSNS server: 1 At the console on the iSCSI initiator server, log in as the root user, then open a terminal console.

  • Page 15: A Documentation Updates

    If you are a new user, simply read the guide in its current state. Refer to the publication date, which appears on the title page, to determine the release date of this guide. For the most recent version of the Novell Internet Storage Name Service Administration Guide, see the “Additional Information and Updates”...

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