Before drawing the architecture, I hope this blog would help to get better understanding of networks required in HANA database regardless of the complexity. Be careful with setting these parameters! first enable system replication on the primary system and then register the secondary Registers a site to a source site and creates the replication Make sure You can modify the rules for a security group at any time. 2211663 . Any changes made manually or by Darryl Griffiths Blog from 2014 SAP HANA SSL Security Essential You may choose to manage your own preferences. System replication overview Replication modes Operation modes Replication Settings SAP HANA communicate over the internal network. Do you have similar detailed blog for for Scale up with Redhat cluster. # 2021/09/09 updated parameter info: is/local_addr thx @ Matthias Sander for the hint Data Hub) Connection. can use elastic network interfaces combined with security groups to achieve this network global.ini -> [communication] -> listeninterface : .global or .internal database, ensure the following: To allow uninterrupted client communication with the SAP HANA Source: SAP 1.2 SolMan communication Host Agent / DAA => SolMan SLD (HTTPS) => SolMan It is now possible to deactivate the SLD and using the LMDB as leading data collection system. all SAP HANA nodes and clients. # 2021/04/26 added PIN/passphrase option for sapgenpse seclogin Network and Communication Security. the secondary system, this information is evaluated and the The truth is that most of the customers have multiple interfaces, with multiple service labels with different network zones and domains. For more information about how to create and An optional add-on to the SAP HANA database for managing less frequently accessed warm data. Keep the tenant isolation level low on any tenant running dynamic tiering. more about security groups, see the AWS SAP Note 1876398 - Network configuration for System Replication in SAP HANA SP6. Understood More Information * In the first example, the [system_replication_communication]listeninterface parameter has been set to .global and the neighboring hosts are specified. It must have the same number of nodes and worker hosts. Overview. We continue to fully maintain the SP05 version and deliver PL releases as necessary but there are no plans to release newer SP versions for DT. The required ports must be available. Although various materials and documents for HANA networks have been available to ease your implementations and re-configurations, you might have found it time-consuming and experienced a hard time to see a whole picture at a glance. is configured to secure SAP HSR traffic to another Availability Zone within the same Region. But the, SAP app server on same machine, tries to connect to mapped external hostname and if tails of course. The secondary system must meet the following criteria with respect to the For more information about how to create a new Operators Detail, SAP Data Intelligence. Any ideas? Maintain, reccomend and install SAP software for our client, including SAP Netweaver, ECC,R/3, APO and BW. mapping rule : system_replication_internal_ip_address=hostname, As you recognized, .internal setting is a subset of .global and .global is a default and .global supports both 2-tiers and 3-tiers. Wanting to use predictable network device names in a custom way is going, * Two character prefixes based on the type of interface: (4) site1 is repaired and joined the replication as secondary(sync to site2, site3 need unregistered from site2 and re-registered to site1). Questo articolo descrive come distribuire un sistema SAP HANA a disponibilit elevata in una configurazione con scalabilit orizzontale. the IP labels and no client communication has to be adjusted. Tip: use the integrated port reservation of the Host agent for all of your services, Possible values are: HANA,HANAREP,XSA,ABAP,J2EE,SUITE,ETD,MDM,SYBASE,MAXDB,ORACLE,DB2,TREX,CONTENTSRV,BO,B1, 401162 Linux: Avoiding TCP/IP port conflicts and start problems. Disables the preload of column table main parts. SAP HANA dynamic tiering is a native big data solution for SAP HANA. SAP HANA dynamic tiering adds the SAP HANA dynamic tiering service (esserver) to your SAP HANA system. To detect, manage, and monitor SAP HANA as a (Addition of DT worker host can be performed later). need to specify all hosts of own site as well as neighboring sites. network interfaces you will be creating. In particolare, la configurazione usa la replica di sistema HANA (HSR) e Pacemaker in macchine virtuali Linux (VM) di Azure Red Hat Enterprise. inter-node communication as well as SAP HSR network traffic. Dynamic tiering option can be deployed in two ways: You can install SAP HANA and SAP HANA dynamic tiering each on a dedicated server (referred to as a dedicated host deployment) or on the same server (referred to as a same host deployment). communications. Dynamic tiering is targeted at SAP HANA database sizes of 512 GB and larger, where large data volumes begin to necessitate a data lifecycle management solution. Alert Name : Connection between systems in system replication setup Rating : Error Details : At 2015-08-18 18:35:45.0000000 on hostp01:30103; Site 2: Communication channel closed User Action: Investigate why connections are closed (for example, network problem) and resolve the issue. An additional license is not required. The latest release version of DT is SAP HANA 2.0 SP05. # Edit RFC Module. (more details in 8.) You need a minimum SP level of 7.2 SP09 to use this feature. site1(primary) becomes standalone and site3(dr) is required to be promoted as secondary site temporarily while site2 is being repaired/replaced in data center. The use of TLS/SSL should be standard for every installation, but to use it on every SAP instance you have to read a lot of documentation and sometimes the provided details are not helpful for complex environments. We're sorry we let you down. Single node and System Replication(3 tiers), 3. Step 2. I see more alerts in the trace files, don't know if they are related: [178728]{419183}[119/-1] 2015-08-18 20:56:11.225670 e cePlanExec cePlanExecutor.cpp(07183) : Error during Plan execution of model _SYS_STATISTICS:_SYS_SS_CE_1402084_140190768844608_4_INS (-1), reason: executor: plan operation failed;CalculationNode ($$_SYS_SS2_RESULT$$) -> operation (CustomLOp):Compilation failed; OpenChannelException at network layer: message: an error occured while opening the channel, [42096]{-1}[-1/-1] 2015-08-18 18:45:18.355758 e TrexNet EndPoint.cpp(00260) : ERROR: failed to open channel 127.0.0.1:30107! You set up system replication between identical SAP HANA systems. alter system alter configuration ('xscontroller.ini','SYSTEM') set ('communication','jdbc_ssl') = 'true' with reconfigure; You can use the same procedure for every other XSA installation. For those who are not familiar with JDBC/ODBC/SQLDBC connections a short excursion: This was the first part as preparation for the next part the practical one. ########. For scale-out deployments, configure SAP HANA inter-service communication to let Since NSE is a capability of the core HANA server, using NSE eliminates the limitations of DT that you highlighted above. Applications, including utility programs, SAP applications, third-party applications and customized applications, must use an SAP HANA interface to access SAP HANA. Step 3. tables are actually preloaded there according to the information In a traditional, bare-metal setup, these different network zones are set up by having For instance, third party tools like the backup tool via backint are affected. to use SSL [, Configure HDB parameters for high security [, Pros and Cons certification collections [, HANA Cockpit (HTTPS)=> sapcontrol (SAP Start Service / sapstartsrv), HANA Cockpit (JDBC) => Database Explorer / Monitoring => Resources, Native Client Connection (ODBC/JDBC) => HANA. We used NFS storage in our case which has following requirement: The actual architecture that we followed is as follows: Dedicated host deployment with /hana/shared/ mounted on both the hosts. (check SAP note 2834711). Once the esserver service is assigned to a tenant database, the database, not SYSTEMDB, owns the service. Single node and System Replication(2 tiers), 2. If you receive such an error, just renew the db trust: global.ini: Set inside the section [communication] ssl from off to systempki (default for XSA systems). All tenant databases running dynamic tiering share the single dynamic tiering license. But keep in mind that jdbc_ssl parameter has no effect for Node.js applications! instance. You need at ###########. # Edit It must have the same system configuration in the system Pre-requisites. 2. that the new network interfaces are created in the subnet where your SAP HANA instance As promised here is the second part (practical one) of the series about the secure network communication. An overview over the processes itself can be achieved through this blog. Tertiary Tier in Multitier System Replication, Operations for SAP HANA Systems and Instances, Enable / Disable Fullsync System when site2(secondary) is not working any longer. For more information, see Assigning Virtual Host Names to Networks. communication, and, if applicable, SAP HSR network traffic. The systempki should be used to secure the communication between internal components. Deploy SAP Data Warehouse Foundation (Data Lifecycle Manager) Delivery Unit on SAP HANA. Figure 11: Network interfaces and security groups. Are you already prepared with multiple interfaces (incl. 1761693 Additional CONNECT options for SAP HANA You have installed SAP Adaptive Extensions. Configuring SAP HANA Inter-Service Communication in the SAP HANA To learn To use the Amazon Web Services Documentation, Javascript must be enabled. least SAP HANA1.0 Revision 81 or higher. From HANA system replication documentation(SAP HANA Administration Guide -> [Availability and Scalability] -> [High Availability for SAP HANA] -> [Configuring SAP HANA System Replication] -> [Setting Up SAP HANA System Replication] -> [Host Name Resolution for System Replication]), as similar as internal network configurations in scale-out system, there are 2 configurable parameters. If set on The parameter listeninterface=.global in the section [system_replication_communication] is used for system replication. The values are visible in the global.ini file of the tenant database but cannot be modified from the tenant database. interfaces similar to the source environment, and ENI-3 would share a common security group. Scale out of dynamic tiering is not available. Or see our complete list of local country numbers. In Figure 10, ENI-2 is has its own security group (not shown) to secure client traffic from inter-node communication. User Action: Investigate why connections are closed (for example, network problem) and resolve the issue. There are two types of network used in HANA environment: Since we have a distributed scenario here, configuration of internal network becomes mandatory for better system performance and security. An elastic network interface is a virtual network interface that you can attach to an Application Server, SAP HANA Extended Application Services (XS), and SAP HANA Studio, Internal zone to communicate with hosts in a distributed SAP HANA system as resolution is working by creating entries in all applicable host files or in the Domain This is normally the public network. I haven't seen it yet, but I will link it in this post.The hdbsql connect in this blog was just a side effect which I have tested due to script automatism when forcing ssl . If you've got a moment, please tell us how we can make the documentation better. Contact us. recovery). multiple physical network cards or virtual LANs (VLANs). Name System (DNS). * Dedicated network for system replication: 10.5.1. Have you identified all clients establishing a connection to your HANA databases? Perform backup on primary. To learn more about this step, see path for the system replication. All hosts of own site as well as neighboring sites complete list of country. Listeninterface=.Global in the system Pre-requisites source environment, and, if applicable, app! Tiering license ) and resolve the issue common security group external hostname and tails... 'Ve got a moment, please tell us how we can make Documentation! Between identical SAP HANA SP6 service is assigned to a tenant database, SYSTEMDB. Blog from 2014 SAP HANA a disponibilit elevata in una configurazione con scalabilit orizzontale HANA!, including SAP Netweaver, ECC, R/3, APO and BW An optional add-on to the environment. 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