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Sap Netweaver Availability Cluster 740 Setup Guide

Sap Netweaver Availability Cluster 740 Setup Guide

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  SAP NetWeaver HighAvailability Cluster 7.40 -Setup Guide  SAP NetWeaver High Availability Cluster 7.40 - Setup Guide Fabian Herschel Publication Date: 2017/09/08SUSE LLC10 Canal Park DriveSuite 200Cambridge MA 02141USA https://www.suse.com/documentation  Contents v 1About this guide 1 1.1Introduction 1 1.2Additional documentation and resources 1 1.3Feedback 2 2Scope of this document 3 3Overview 4 3.1Differences to previous cluster architectures 4 3.2Three Systems for ASCS, ERS, Database and additional SAPInstances 4 3.3High availability for the database 6 SAP HANA system replication 6 ãSimple Stack  7 3.4Integration of SAP NetWeaver into the cluster using the cluster connector  7 3.5Disks and Partitions 9 Shared disk f or cluster ASCS and ERS 9 ãDisk for DB and DialogInstances 10 3.6IP Addresses and Virtual Names 11 3.7Mount Points and NFS shares 11 4SAP Installation 14 4.1Linux User and Group number scheme 14 4.2Install ASCS on hacert01 15 4.3Install ERS on hacert02 15 iii SAP NetWeaver High Availability Cluster 7.40 - Setup Guide  4.4Poststeps for ASCS and ERS 16 Stopping ASCS and ERS 16 ãMaintaining sap services 16 ãIntegratingthe cluster framework using sap_suse_cluster_connector 17 ãAdapting SAPprofiles to match the SAP NW-HA-CLU 7.40 certification 18 ãStarting ASCSand ERS 18 4.5Install DB on hacert03 18 4.6Install the Primary Application Server (PAS) on hacert03 19 4.7Install an Additional Application Server (AAS) on hacert03 20 5Implement the Cluster 21 5.1Configure the Cluster Base 21 5.2Configure Cluster Resources 23 Preparing the cluster for adding the resources 23 ãConfigure the resourcesfor the ASCS 24 ãConfigure the resources for the ERS 24 ãConfigurethe colocation constraints between ASCS and ERS 25 ãActivating thecluster 26 6Administration 27 6.1Do and Don’t Do 27 6.2Testing the cluster 28 7Appendix 31 7.1CRM config 31 7.2Related SAP Notes 32 iv SAP NetWeaver High Availability Cluster 7.40 - Setup Guide