Comprehensive and complete, thanks a lot. SAP HANA Network Requirements Contact Us Contact us Contact us Home This site uses cookies and related technologies, as described in our privacy statement, for purposes that may include site operation, analytics, enhanced user experience, or advertising. Single node and System Replication(3 tiers), 3. SAP HANA, platform edition 2.0 Keywords enable_ssl, Primary, secondary , High Availability , Site1 , Site 2 ,SSL, Hana , Replication, system_replication_communication , KBA , HAN-DB-HA , SAP HANA High Availability (System Replication, DR, etc.) the IP labels and no client communication has to be adjusted. Terms of use | Javascript is disabled or is unavailable in your browser. So we followed the below steps: Create new network interfaces from the AWS Management Console or through the AWS CLI. To give context - We are using HANA SSL certificates, which are valid for 1 year and before it gets expire we need to renew it, so we want to do Monitoring to get alerts of it either by Cockpit/ Splunk or other home grown tools via Perl/any other scripting, so any one knows more about it?? Multiple interfaces => one or multiple labels (n:m). of the same security group that controls inbound and outbound network traffic for the client Dynamic tiering is embedded within SAP HANA operational processes, such as standby setup, backup and recovery, and system replication. * In the first example, the [system_replication_communication]listeninterface parameter has been set to .global and only the hosts of the neighboring replicating site are specified. 2086829 SAP HANA Dynamic Tiering Sizing Ratios, Dynamic Tiering Hardware and Software Requirements, SAP Note 2365623 SAP HANA Dynamic Tiering: Supported Operating Systems, 2555629 SAP HANA 2.0 Dynamic Tiering Hypervisor and Cloud Support. Actually, in a system replication configuration, the whole system, i.e. Trademark. Persistence encryption of the SAP HANA system is not available when dynamic tiering is installed. 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. United States. Primary Host: Enable system replication. If you want to be flexible in case of changing the server (HW change / OS upgrade), you need multiple certificates connected to different hostnames. You may choose to manage your own preferences. 2300943 Enabling SSL encryption for database connections for SAP HANA extended application services, advanced model, 2487639 HANA Basic How-To Series HANA and SSL MASTER KBA. If you do this you configure every communication on those virtual names including the certificates! (Storage API is required only for auto failover mechanism). 2685661 - Licensing Required for HANA System Replication. can use elastic network interfaces combined with security groups to achieve this network This option requires an internal network address entry. You set up system replication between identical SAP HANA systems. 2487731 HANA Basic How-To Series HANA and SSL CSR, SIGN, IMPLEMENT (pse container ) for ODBC/JDBC connections. And you need to change the parameter [communication]->listeninterface to .internal and add internal network entries as followings. You can use SAP Landscape Management for isolation. On HANA you can also configure each interface. Prerequisites You comply all prerequisites for SAP HANA system replication. interfaces similar to the source environment, and ENI-3 would share a common security group. To use the Amazon Web Services Documentation, Javascript must be enabled. For more information about network interfaces, see the AWS documentation. Therefore, you are required to have 2 separate networks for system replication, one is for primary site to secondary site and another is for secondary site to tertiary site and each host in your secondary site should have an additional NIC. Solution Secure Network Settings for Internal SAP HANA Services To avoid opening an attack vector in an SAP HANA system, it is necessary to configure the settings for internal service communication in the recommended way. RFC Module. 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. Wonderful information in a couple of blogs!! Disables system replication capabilities on source site. shipping between the primary and secondary system. But keep in mind that jdbc_ssl parameter has no effect for Node.js applications! need to specify all hosts of own site as well as neighboring sites. We are talk about signed certificates from a trusted root-CA. This optimization provides the best performance for your EBS volumes by An elastic network interface is a virtual network interface that you can attach to an Every label should have its own IP. that the new network interfaces are created in the subnet where your SAP HANA instance SAP HANA dynamic tiering is an integrated component of the SAP HANA database and cannot be operated independently from SAP HANA. As mentioned earlier, having internal networks are essential in production system in order to get the expected response time and optimize the system performance. Global Network Internal Network Configurations in System Replication : There are also configurations you can consider changing for system replications. If set on From Solution Manager 7.1 SP 14 on we support the monitoring of metrics on HANA instance-level and also have a template level for SAP HANA replication groups. Started the full sync to TIER2 So for s1host1,10.5.2.1=s2host110.4.3.1=s3host1, For s2host110.5.1.1=s1host110.4.3.1=s3host1, For s3host110.4.1.1=s1host110.4.2.1=s2host1. Extracting the table STXL. Net2Source Inc. is an award-winning total workforce solutions company recognized by Staffing Industry Analysts for our accelerated growth of 300% in the last 3 years with over 5500+ employees . This will speed up your login instead of using the openssl variant which you discribed. when site2(secondary) is not working any longer. SAP HANA Network Settings for System Replication 9. Contact us. To learn more about this step, see Understood More Information Legal Disclosure | Only set this to true if you have configured all resources with SSL. You need a minimum SP level of 7.2 SP09 to use this feature. Step 1. is deployed. Each tenant requires a dedicated dynamic tiering host. Please note that SAP HANA Dynamic Tiering ("DT") is in maintenance only mode and is not recommended for new implementations. 1761693 Additional CONNECT options for SAP HANA Share, Unregister Secondary Tier from System Replication, Unregister System Replication Site on Public communication channel configurations, 2. More recently, we implemented a full-blown HANA in-memory platform . Any changes made manually or by 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. documentation. 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. SAP Note 1834153 . Network and Communication Security. Therfore you Ensure that host name-to-IP-address To configure your logical network for SAP HANA, follow these steps: Create new security groups to allow for isolation of client, internal global.ini -> [communication] -> listeninterface : .global or .internal If you copy your certificate to sapcli.pse inside your SECUDIR you won't have to add it to the hdbsql command. The below diagram depicts better understanding of internal networks: The status after internal network configuration: Once the listener interface has communication method internal, the two hosts (HANA & DT hosts) can communicate securely and their internal IP addresses reflects in parameter -> internal_hostname_resolution, Installation of Dynamic Tiering Component. By default, on every installation the system gets a systempki (self-signed) until you import an own certificate. * In the first example, the [system_replication_communication]listeninterface parameter has been set to .global and the neighboring hosts are specified. You just have to set the dbs/hdb/connect_property parameter to the correct value: In some cases, you may receive an error if you force the use of TLS/SSL: You have to set some tricky parameter due to the default gateway of the Linux server. 1. properties files (*.ini files). An optional add-on to the SAP HANA database for managing less frequently accessed warm data. resumption after start or recovery after failure. HANA XSA port specification via mtaext: SAP note 2389709 - Specifying the port for SAP HANA Cockpit before installation Needed PSE's and their usage. There can be only one dynamic tiering worker host for theesserver process. Only one dynamic tiering license is allowed per SAP HANA system. By default, this enables security and forces all resources to use ssl. Visit SAP Support Portal's SAP Notes and KBA Search. United States. a distributed system. On AS ABAP server this is controlled by is/local_addr parameter. Privacy | 1 step instead of 4 , Alerting is not available for unauthorized users, Right click and copy the link to share this comment, With XSA 1.0.82 (begin of 2018), SAP introduced new parameters (Check note, https://blogs.sap.com/2014/01/17/configure-abap-to-hana-ssl-connection/, 1761693 Additional CONNECT options for SAP HANA, 2475246 How to configure HANA DB connections using SSL from ABAP instance, Vitaliy Rudnytskiys blog: Secure connection from HDBSQL to SAP HANA Cloud, https://blogs.sap.com/2020/04/14/secure-connection-from-hdbsql-to-sap-hana-cloud/, Import certificate to HANA Cockpit (for client communication) [part II], Import certificate to HANA resource(s) [part II], Configure clients (AS ABAP, ODBC, etc.) Most SAP documentations are for simple environments with one network interface and one IP label on it. On every installation of an SAP application you have to take care of this names. the secondary system, this information is evaluated and the The OS process for the dynamic tiering host is hdbesserver, and the service name is esserver. Setting up SAP data connection. In the step 5, it is possible to avoid exporting and converting the keys. Please keep in mind to configure the correct default gateway with is/local_addr for stateful firewall connections. Extended tables behave like all other SAP HANA tables, but their data resides in the disk-based extended store. The disk-based extended store the neighboring hosts are specified add-on to the SAP HANA systems avoid exporting converting. The IP labels and no client communication has to be adjusted use this feature > one or multiple labels n... No client communication has to be adjusted parameter [ communication ] - > to... All hosts of own site as well as neighboring sites identical SAP HANA tables, their... 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