www.novell.com/documentation Novell Cluster ServicesTM 2.1 for Linux Administration Guide Open Enterprise Server 11 SP1 October 3, 2012 Legal Notices Novell, Inc., makes no representations or warranties with respect to the contents or use of this documentation, and specifically disclaims any express or implied warranties of merchantability or fitness for any particular purpose. Further, Novell, Inc., reserves the right to revise this publication and to make changes to its content, at any time, without obligation to notify any person or entity of such revisions or changes. Further, Novell, Inc., makes no representations or warranties with respect to any software, and specifically disclaims any express or implied warranties of merchantability or fitness for any particular purpose. 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. Any products or technical information provided under this Agreement may be subject to U.S. export controls and the trade laws of other countries. You agree to comply with all export control regulations and to obtain any required licenses or classification to export, re-export or import deliverables. You agree not to export or re-export to entities on the current U.S. export exclusion lists or to any embargoed or terrorist countries as specified in the U.S. export laws. You agree to not use deliverables for prohibited nuclear, missile, or chemical biological weaponry end uses. See the Novell International Trade Services Web page (http://www.novell.com/info/exports/) for more information on exporting Novell software. Novell assumes no responsibility for your failure to obtain any necessary export approvals. Copyright © 2007–2012 Novell, Inc. All rights reserved. No part of this publication may be reproduced, photocopied, stored on a retrieval system, or transmitted without the express written consent of the publisher. Novell, Inc. 1800 South Novell Place Provo, UT 84606 U.S.A. www.novell.com Online Documentation: To access the latest online documentation for this and other Novell products, see the Novell Documentation Web page (http://www.novell.com/documentation). 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. Contents About This Guide 13 1 Overview of Novell Cluster Services 15 1.1 Why Should I Use Clusters? . 15 1.2 Benefits of Novell Cluster Services . 15 1.3 Product Features . 16 1.4 Clustering for High-Availability . 16 1.5 Shared Disk Scenarios. 18 1.5.1 Using Fibre Channel Storage Systems . 19 1.5.2 Using iSCSI Storage Systems . 20 1.5.3 Using Shared SCSI Storage Systems . 21 1.6 Terminology . 21 1.6.1 The Cluster . 21 1.6.2 Cluster Resources . 22 1.6.3 Failover Planning . 24 2 What’s New or Changed for Novell Cluster Services 27 2.1 What’s New (OES 11 September 2012 Patches) . 27 2.2 What’s New (OES 11 SP1) . 27 2.3 What’s New (OES 11) . 30 3 Planning for a Cluster 35 3.1 Determining Your Design Criteria . 35 3.2 Using Cluster Best Practices . 35 3.3 Planning the LAN Connectivity. 36 3.3.1 VLAN . 36 3.3.2 Channel Bonding . 37 3.3.3 Spanning Tree Protocol . 37 3.3.4 IP Addresses . 37 3.3.5 Name Resolution . 37 3.4 Planning the Shared Storage Connectivity . 38 3.5 Planning the Shared Storage Solution . 38 3.6 Planning the eDirectory Deployment . 38 3.6.1 Object Location . 38 3.6.2 Cluster OU Context . 39 3.6.3 Cluster OU Partitioning and Replication . 39 3.7 Planning for Shared Storage as Cluster Resources . 39 3.8 Planning for OES Services as Cluster Resources . 40 4 Planning for Novell Cluster Services 43 4.1 Cluster Administration Requirements. 43 4.1.1 Cluster Installation Administrator . .43 4.1.2 NCS Proxy User . 44 4.1.3 Cluster Administrator or Administrator-Equivalent User . 46 4.2 IP Address Requirements . 46 4.3 Volume ID Requirements . 46 Contents 3 4.4 Hardware Requirements . 47 4.5 Virtualization Environments . 47 4.6 Software Requirements for Cluster Services . 48 4.6.1 Novell Open Enterprise Server 11 SP1 . 48 4.6.2 Novell Cluster Services . 48 4.6.3 Novell eDirectory 8.8.x. 48 4.6.4 SLP . 52 4.6.5 Novell iManager 2.7.5 . 53 4.6.6 Clusters Plug-in for iManager . .53 4.6.7 Storage-Related Plug-Ins for iManager . 54 4.6.8 SFCB and CIMOM. 55 4.6.9 CASA 1.7 . 56 4.6.10 Web Browser . 56 4.7 Software Requirements for Cluster Resources . .56 4.7.1 NCP Server for Linux. 57 4.7.2 Novell Storage Services File System for Linux . 57 4.7.3 LVM Volume Groups and Linux POSIX File Systems . 58 4.7.4 NCP Volumes on Linux POSIX File Systems . 58 4.7.5 Dynamic Storage Technology Shadow Volume Pairs . 58 4.7.6 NCP File Access . ..