Need your help to configure sap on suse ha cluster. After setup of the cluster with the bootstrap scripts, we will monitor the cluster with the graphical ha web konsole hawk, one of the cluster management tools included with suse linux enterprise high availability extension. Read part 1 do you have the right failover plan for your critical applications to learn more about the solution and how it can help you take the costs out of downtime. Try our free, fully functional 60day evaluation of suse linux enterprise high availability, and maximize your service availability. Short overview over the important directories and their content. First three column of log file says date and time of occurrence.
The course introduces the product features and implementation planning for both on premise and the public cloud. 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. There is no license fee for using the suse linux enterprise high. In this way application reliability is maintained and downtime is minimized or nearly eliminated. High availability cluster 6 high availability clusters or ha clusters, also called fail over clusters are servers grouped together so that if one server providing an applications fails, another server immediately restarts the application. We take preconfigured suse enterprise linux high availability cluster to demonstrate here. Ha is expecting uname n node names, not fully qualified names. Setting up pacemaker on sles in azure microsoft docs.
Suse linux enterprise high availability extension 12 sp4 suse. High availability guide suse linux enterprise high. Suse linux high availability extension provides open source ha clustering that can be deployed in physical or virtual environments. Sap hana scaleup system in a sles highavailability. Cluster nodes 41 configuring services 42 bringing the cluster. Learn how to create a simple twonode cluster using suse linux enterprise server and the high availability extension. How to simultaneously power off the two hana servers in a suse ha. How to check the cluster status of the suse ha cluster. In this webinar youll learn how suse has worked with microsoft to enable ha clusters on azure. Suse customer center ui and its apis will experience a disruptive downtime on may 11th between 8. Suse team has configured the cluster for ip, file system, oracle and sap. Quickly configure a ha cluster with the suse linux. 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. An industryleading open source high availability clustering system designed to virtually eliminate unplanned downtime, be easy to use and be deployed in both physical and virtual environments.
That said, for windows guest, you need windows ha solution. To report suspected copying, please call 1800pirates node1 interface ip addr hostname eth0 172. The cluster file system, ocfs2, allows you to do just that. Tool to bootstrap a pacemaker high availability cluster in a hurry. If given additional arguments, haclusterinit can also configure stonith, ocfs2 and an. Creating a high availability ha cluster and specifying a fully qualified domain name for additional nodes, leads to duplicate nodes in the cluster information base cib database. 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. Currently sap is running on oracle 11g and suse 11 sp3.
This guide is intended for administrators who need to set up, configure, and maintain clusters with suse linux enterprise high availability extension. Hypervisor level and host hardware level opensusesuse ha. Cluster resource for ip, file system and oracle is starting without any issue. Learn how to launch via the azure resource manager. Suse uses cookies to give you the best online experience. Download a free trial of our linux high availability. High availability for sap netweaver on azure vms on suse linux enterprise server for sap applications. In this article, youll learn how to set it up in a suse linux enterprise server sles 10 environment. My goal is to try the singleprimary mode first and move on to the ha high availability cluster setup using ocfs2 oracle cluster file system and try to setup two oracle instances on this ha cluster and see if i can get two regular instances to be. Ha nfs cluster problem with pacemaker, openais, nfs and drbd ratotopi. High availability guide suse linux enterprise high availability. Join the translation or start translating your own project. Installation and setup guide for drbd, openais, pacemaker. Pacemaker is an advanced, scalable high availability cluster resource manager.
Configuring drbd on suse linux distributed replicated block. Tutorial high availability cluster linux opensuse youtube. Quickly configure a ha cluster with the suse linux enterprise. You can either use a fencing agent, which takes care of restarting a failed node via the azure apis or you can use an sbd device. High availability may also refer to an agreed level of operational performance usually uptime assured for a higher than normal period. All the runtime parameters can be configured either via cli flags or via a configuration file, both or which are completely optional. Looking for current and maintained information and documentation on linux open source high availability ha clustering. What is the condition for the standby node in the suse ha cluster to take over the database. Oct 23, 2012 suse linux enterprise and sap netweaver 7. Suse hae is part of the suse linux enterprise server for sap application and sap hana database integration. Not all applications are clusterready suse manager is no exception careful configuration is required to ensure a cluster can effectively control the services that make up the suse manager application and also the network services. This article describes how to deploy the virtual machines, configure the virtual machines, install the cluster framework, and install a highly available sap netweaver 7. Deploying and administering suse linux enterprise high availability 15.
As a basic test of whether failover of resources works, we will put one of the nodes into standby mode and check if the virtual ip address is migrated to the second node. Suse linux enterprise high availability extension 12 sp5. You can deploy a full ha cluster via terraform with susehasapterraformdeployments. Suse linux enterprise server pacemaker hae cluster. This is the download area of the opensuse distribution and the opensuse build service. Free your workloads from the bonds of physical hardware. Configure a suse linux enterprise high availability cluster with ocfs2.
This video is to demonstrate about new suse enterprise linux server pacemaker cluster hawk2 features. Deploying and administering suse linux enterprise high availability 12 this three day course teaches students to deploy and administer the suse linux enterprise high availability 12 product. The screenshot shows some of the sap tests as well as one of the suse ha tests. To get started, install the cluster stack on all nodes. Pacemaker is a highavailability cluster resource manager it achieves maximum availability for your cluster services a. Suse linux enterprise high availability extension includes features designed to virtually eliminate unplanned downtime, including geo clustering and rulebased failover designed to provide continuing operation when unforeseen difficulties arise. Jun 03, 2017 this video is to demonstrate about new suse enterprise linux server pacemaker cluster hawk2 features. Hawk is a web interface for the pacemaker high availability stack. The following architectures are available for download. List of top high availability cluster software 2020.
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. Suse cluster log file is varlogmessages by default. The following will install and configure drbd, openais, pacemaker and xen on opensuse 11. Free download of suse linux enterprise high availability extension get a 60 day. Suse linux enterprise high availability extension documentation. Configuring drbd on suse linux distributed replicated. Database ha is also a concern and potentially a cost oracle rac presents some challenges both from a cost perspective and configurationsetup consider postgresql as a viable alternative it reduces cost but not necessarily the complexity shared storage sufficient for activepassive not all applications are clusterready suse manager is no exception careful. Sap hana scaleup system in a sles highavailability cluster. For performing key tasks, both approaches gui and cli are covered in. There are two options to set up a pacemaker cluster in azure. Suse linux enterprise high availability extension for. Heartbeat is an open source program that provides cluster infrastructure capabilitiescluster membership and messagingto client servers, which is a critical component in a high availability ha server infrastructure. With this mode of operation, internal sap hana highavailability ha mechanisms and the linux cluster have to work together. System replication will help to replicate the database data from one node to another node in order to compensate for database failures.
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. Configure a suse linux enterprise high availability. Configuring drbd on suse linux distributed replicated block device single primary node. What comes with the suse high availability extension. You complete a configuration file template and use cloud deployment manager to deploy a cluster and two sap hana systems that incorporate best practices from compute engine and sap. It is a os level solution to protect critical resources running on vm. Please also watch other related suse cluster videos on. If you continue to use this site, you agree to the use of cookies. Pacemaker is an advanced, scalable highavailability cluster resource manager. All of this software is included in the base opensuse distribution, but we also have repositories on obs to provide newer versions of these packages for various distros development of these packages occurs in the network.
Sap netweaver suse cluster integration the updated sap. Using ocfs2, you will benefit from greater flexibility in setting up a cluster environment. As such, this lab will focus on setting up a simple cluster environment, and implement some services within the cluster. Pacemaker ships as part of the suse high availability extension. Allgemeine informationen zu suse linux enterprise server. Configure a suse linux enterprise high availability cluster. This suits for any linux operating system flavour which uses pacemaker as a cluster manager like redhat, ubuntu. Cluster configuration will include constraintspolicies location and single service. The supported stack on sles12 is based on corosync 2.
This blog describes how to install and configure suse hae to automate the failover process in sap hana system replication. If you are searching for a specific package for your distribution, we recommend to use our software portal instead. Learn more about the high availability extension today. How to make the suse ha cluster enter and exit the maintenance mode. For quick and efficient configuration and administration, the high availability exten. How to create a high availability setup with heartbeat and. Azure vms high availability for sap netweaver on sles. It supports more than 16 node clusters with significant capabilities for managing resources and dependencies. An industryleading open source high availability clustering system designed to virtually eliminate. You probably should be reading the pacemaker site this site conserves heartbeat specific stuff. You can deploy a full ha cluster via terraform with suse ha sapterraformdeployments. A sle15 ha cluster is deployed and then applications and clustered storage are configured, tested and administered.
It will run scripts at initialization, when machines go up or down, when related resources fail and can be configured to periodically check resource health. Also included is geo clustering for suse linux enterprise high availability extension, designed to manage cluster servers in data centers anywhere in. Improve server uptime with the high availability extension suse. Setting up pacemaker on suse linux enterprise server in azure. Suse linux enterprise high availability extension 12 sp4. Duplicate nodes in ha cluster, no quorum support suse. Suse linux enterprise high availability extension and geoclustering.
Oct 10, 2016 15 different between ha term ha term is widely use vmware vsphere ha. For quick and efficient configuration and administration, the high availability extension includes both a graphical user interface gui and a command line interface cli. This is the second in our twopart series on the suse high availability extension. In fact, you can download the clustering soft ware for free from. Availability is often measured against a 100% operational or neverfails standard. High availability ha is a state of continuous operation in a computer system or it component for a specified length of time. Nov 22, 2017 heartbeat is an open source program that provides cluster infrastructure capabilitiescluster membership and messagingto client servers, which is a critical component in a high availability ha server infrastructure. All of this software is included in the base opensuse distribution, but we also have repositories on obs to provide newer versions of these packages for various distros. My goal is to try the singleprimary mode first and move on to the ha high availability cluster setup using ocfs2 oracle cluster file system and try to setup two oracle instances on this ha cluster and see if i can get two regular instances to be configured like a dataguard, without having to do a real oracle specific dataguard configuration. Need to install redhat linux os on cluster node via remotely or nfs. The goal of the project is to create a complete interface to the ha cluster, including the configuration, management and monitoring of cluster resources. Currently it needs to serve calls like queries about cluster status or to request cluster resource actions. The networked nodes in a cluster also create an efficient, distributed infrastructure that prevents bottlenecks, thus improving performance. Both systems will be installed on n1highmem96 vms that are running the sles 12 sp2 operating system.