Suse linux enterprise high availability extension 12 sp4. Fine granular monitoring and ha on top of virtualization. This guide is intended for administrators who need to set up, configure, and maintain clusters with suse linux enterprise high availability extension. It is a os level solution to protect critical resources running on vm. Both systems will be installed on n1highmem96 vms that are running the sles 12 sp2 operating system.
Ocfs2 is a shareddisk, posixcompliant, generic cluster file system. The suse linux enterprise high availability extension for system z is an intergrated suite of open source clustering technologies that enables you to implement highly available physical and virtual linux clusters. If you find bugs in the high availability packages in opensuse tumbleweed, please file them against the high availability component. The supported stack on sles12 is based on corosync 2. Shareddisk posixcompliant generic cluster file system. Cluster software name detail required cman red hat cluster manager yes lvm2cluster cluster extensions for userl. Suse linux enterprise high availability extension focus on missioncritical services activeactive services. Suse linux enterprise high availability extension and. Ha solutions can be implemented using hardware andor software, and one of the common solutions to implementing ha is clustering. Sap solutionshigh availability on suse linux enterprise server for sap applications. This appliance have got only local disk, no shared disk are available. Not a single large machine bears all of the load and risk. Choose between an automatic setup or a manual setup.
Highly available nfs storage with drbd and pacemaker suse linux. Configure a suse linux enterprise high availability cluster. For quick and efficient configuration and administration, the high availability extension in. Sap netweaver suse cluster integration the updated sap. Sap hana scaleup system in a sles highavailability cluster. The goal of the project is to create a complete interface to the ha cluster, including the configuration, management and monitoring of.
Building high availability clusters with suse linux. What are the components of suse linux enterprise high availability extension. Suse linux enterprise high availability extension 11 service pack 2 situation building a new pacemaker cluster with haclusterinit slehainit succeeds to set up the first node, however adding a new node with haclusterjoin slehajoin fails with a csync2 error. The following example shows a completed configuration file, which directs the deployment manager to deploy a highavailability cluster with the primary sap hana system installed in the uswest1a zone and the secondary sap hana system installed in the uswest1b zone. Configuring a highly available activeactive samba server on a twonode red hat enterprise linux high availability addon cluster requires that you perform the following steps. Suse cluster log file is varlogmessages by default. How to configure and maintain high availabilityclustering. Suse linux enterprise high availability extension integrates the following features. Suse linux enterprise high availability extension for system. The installation and setup quick start describes how to use the ha cluster bootstrap package to set up a cluster with minimal effort. Nov 19, 2017 be prepared for using pacemaker cluster for sap hana main part introduction. The goal of the project is to create a complete interface to the ha cluster, including the configuration, management and monitoring of cluster resources. Section 1 install and configure ha clustering in sle11.
Clustered file systems can provide features like locationindependent addressing and redundancy which improve reliability or reduce the. Dec 19, 2018 high availability ha simply refers to a quality of a system to operate continuously without failure for a long period of time. High availability for nfs on azure vms on suse linux enterprise server. For performing key tasks, both approaches gui and cli are covered in. Deploying highly available sap netweaverbased servers. Suse linux enterprise high availability extension cluster aware file system and volume manager ocfs2 oracle cluster file system shareddisk posixcompliant generic cluster file system clusteraware posix locking parallel io dual node use with drbd clvm2 clustered logical volume manager convenient, single, cluster. For quick and efficient configuration and administration, the high availability extension includes both a graphical user interface gui and a command line interface cli. Each bestpractice document focuses on a dedicated technical topic. Free your workloads from the bonds of physical hardware.
Suse high availability configuration guidelines for sap. This chapter describes how to install and set up suse linux enterprise high availability extension 11 sp4 from scratch. Suse ha with sap hana purpose to meet customers needs for sap hana high availability ha, lenovo offers two distinct delivery alternatives. The installation and setup quick start describes how to use the haclusterbootstrap package to set up a cluster with minimal effort. Sap hana scaleup system in a sles highavailability. How to configure and maintain high availabilityclustering in. With this mode of operation, internal sap hana highavailability ha mechanisms and the linux cluster have to work together. Quickly configure a ha cluster with the suse linux enterprise ha extension 11 sp2 copying all or part of this manual, or distributing such copies, is strictly prohibited. Traditional databases, sap setups, regular services high availability across guests. Sap solutionshigh availability on suse linux enterprise. There are two options to set up a pacemaker cluster in azure. Clusters from scratch pacemaker 1 clusterlabs home. Together with geo clustering for suse linux enterprise high availability extension, it helps to.
The automatic setup enables you to have a cluster up and running within a few minutes with the choice to adjust any options later on, whereas the manual setup allows you to set your individual options right at the. Suse linux enterprise high availability extension is an integrated suite of open source clustering technologies that enables you to implement highly available physical and virtual linux clusters. This guide focuses on the high availability of the central services. This solution was later adopted by redhat and is now jointly developed by both companies. Neither suse llc, its affiliates, the authors nor the translators shall be. This task is described in installation and setup quick start. Be prepared for using pacemaker cluster for sap hana. This article describes how to deploy the virtual machines, configure the virtual machines, install the cluster framework, and install a highly available nfs server that can be used to store the shared data of a highly available sap system.
Suse linux enterprise high availability extension for. Or you can create a file system on top of clvm cluster logical volume manager 28. The installation and setup quick start describes how to use the haclusterbootstrap package to set up. The steps in the following topics need to be performed to configure a suse linux enterprise high availability sleha ocfs2 cluster using the optional san card on axway appliances. Suse linux enterprise high availability extension is mature and industryleading open source highavailability clustering technologies that is easy to set up and use. First three column of log file says date and time of occurrence. Suse linux enterprise high availability extension 12 sp4 by tanja roth and thomas schraitle this guide is intended for administrators who need to set up, configure, and maintain clusters with suse linux enterprise high availability extension. Each bestpractice has been professionally designed, planned and tested by an interdisciplinary team of highavailability cluster and. Suse team has configured the cluster for ip, file system, oracle and sap. This solution is based on pacemaker cluster that is automating failovers between two sap hana databases that are mirroring each other.
A third node is used for running the database and pas and aas application server instances. We take preconfigured suse enterprise linux high availability cluster to demonstrate here. Create the cluster that will export the samba shares and configure fencing for each node in the cluster, as described in section 4. The sap on amazon web services high availability guide describes windows and linux architectures with failover scenarios this page focuses on solutions which can automatically fail over sap services from one aws server to another. Includes 82 resource agents like oracle, db2, sap, apache, mysql, postgresql. Currently it needs to serve calls like queries about cluster status or to request cluster resource actions. Cluster resource for ip, file system and oracle is starting without any issue.
Corosync to provide messaging and membership services, 3. Setting up pacemaker on sles in azure microsoft docs. That said, for windows guest, you need windows ha solution. Mar 23, 2010 suse linux enterprise high availability extension ha stack from 10 to 11 sles 10 sle ha 11 sle ha 11 sp1 ocfs2 metroarea heartbeat general fs cluster drbd 0. Suse developed in collaboration with sap the saphanasr solution and released it as part of sles for sap applications. It can be deployed in both physical and virtual environments. There are several approaches to clustering, most of which do not employ a clustered file system only direct attached storage for each node. Apr 20, 2020 the following example shows a completed configuration file, which directs the deployment manager to deploy a highavailability cluster with the primary sap hana system installed in the uswest1a zone and the secondary sap hana system installed in the uswest1b zone. Drbd as a costeffective alternative to shared storage, 5. Copying all or part of this manual, or distributing such copies, is strictly prohibited. Introduction to linux clustering 4 clustering fundamentals 4. High availability ha simply refers to a quality of a system to operate continuously without failure for a long period of time.
Need your help to configure sap on suse ha cluster. Suse best practices high availability cluster setup guide. Quickly configure a ha cluster with the suse linux. I am probably stating obvious when saying that every infrastructure deployment option needs to be properly tested before it can be used to host productive workloads. File system ha nfs service exporting the oracle executables, the sap executables, and sap shared files such as profiles and the sapglobal directory. Setting up pacemaker on suse linux enterprise server in azure. Ocfs2, databases, samba file servers activepassive service failover. Learn how to create a simple twonode cluster using suse linux enterprise server and the high availability extension. The cluster file system, ocfs2, allows you to do just that. Configure a suse linux enterprise high availability.
Deploying highly available sap netweaverbased servers using. To get started, install the cluster stack on all nodes. Configuring a highly available linux cluster for sap services. Hawk is a web interface for the pacemaker high availability stack. Linux enterprise high availability extension and geo clustering. Installation and basic setup high availability guide.
Hpe serviceguard for linux certification matrix operating system, server, storage, and virtualization compatibility hpe servers v 4. Be prepared for using pacemaker cluster for sap hana part 1. Com documentation sle ha pdfdoc book sleha book sleha free ebook download as pdf file. Tutorial high availability cluster linux opensuse youtube. Dual node use with drbd clvm2 clustered logical volume manager. This document provides a stepbystep guide to building a simple highavailability cluster using pacemaker. In computing, a cluster is made up of two or more computers commonly known as nodes. System replication will help to replicate the database data from one node to another node in order to compensate for database failures. Parallel file systems are a type of clustered file system that spread data across multiple storage nodes, usually for redundancy or performance. The screenshot shows some of the sap tests as well as one of the suse ha tests. Suse linux ha clustering part8ha nfs cluster step by step configuration for ha nfs cluster in suse pacemaker.
Set up a linux high availability platform and perform a basic sap netweaver installation including sap enqueue replication server on suse linux enterprise. Suse linux ha clustering part8ha nfs cluster youtube. High availability for nfs on azure vms on sles microsoft docs. As such, this lab will focus on setting up a simple cluster environment, and implement some services within the cluster. Currently sap is running on oracle 11g and suse 11 sp3. For quick and efficient configuration and administration, the high availability exten. Ibm gpfs ha with a quorum solution or suse linux enterprise server sles for sap applications, which includes the suse high availability extension hae and sap hana system replication. High availability guide suse linux enterprise high. On linux, the node membership for oracle9i rac database nodes is managed by the oracle cluster mana ger oracm, which is designed specifically to manage rac nodes. This cheat sheet is designed for cluster software that ships with rhel and centos 6. For few weeks we have a free usage of two dell certified hana appliance. In this article, youll learn how to set it up in a suse linux enterprise server sles 10 environment. Suse linux enterprise high availability extension 11 sp1 key capabilities today all components use open source technologies flexible, policydriven clustering solution. Integration of the cluster with the sap start framework sapstartsrv to ensure that mainte.
Quickly configure a ha cluster with the suse linux enterprise. Oct 10, 2016 or you can create a file system on top of clvm cluster logical volume manager 28. Clustered file systems can provide features like locationindependent addressing and redundancy which improve reliability or reduce the complexity of the other parts of the cluster. Setup sleha with ocfs2 using multicast on the first node provides configuration instructions for setting sleha with ocfs2 using multicast on the first node of a.