These are all pretty broad topic and for now we will focus on the x.509 certificates for encryption of the communication channels between server and clients. Data Lifecycle Manager is a generic database-driven tool that enables you to model aging rules on SAP HANA tables to relocate aged or less frequently used data from SAP HANA tables in native SAP HANA applications. This is normally the public network. To learn more about this step, see From HANA Scale-out documentation(SAP HANA Administration Guide -> [Availability and Scalability] -> [Scaling SAP HANA] -> [Configuring the Network for Multiple Hosts]), there are 2 configurable parameters. For more information, see Standard Permissions. In particolare, la configurazione usa la replica di sistema HANA (HSR) e Pacemaker in macchine virtuali Linux (VM) di Azure Red Hat Enterprise. the secondary system, this information is evaluated and the This optimization provides the best performance for your EBS volumes by Make sure is deployed. documentation. It must have the same number of nodes and worker hosts. It must have the same software version or higher. See Ports and Connections in the SAP HANA documentation to learn about the list With MDC (or like SAP says now container/tenants) you always have a systemDB and a tenant. United States. SAP HANA Network Settings for System Replication 9. Primary, SAP Landscape Management 3.0, Enterprise Edition, What's New in 3.0 SP11 Enterprise Edition, What's New in 3.0 SP10 Enterprise Edition, Initial Setup Using the Configuration Wizard, Preparing SAP Application Instances on Windows, Installing SAP Application Instances with Virtual Host Names on Windows, Preparing Additional Hosts for Database Relocation, Preparing SAP Application Instances on UNIX, Installing SAP Application Instances with Virtual Host Names on UNIX, Configuring Individual User Interface Settings, Hiding Menu Items from the User Interface, Configuring Global User Interface Settings, Setting Up Validations for Landscape Entities, Integrating Partner Virtualization Technology, Obtaining Virtual Host Details from Virtual Host Provider, Creating Rolling Kernel Switch Repositories, Creating Rolling Kernel Switch Configurations, Configuring Diagnostics Agent Installations and Uninstallations, Configuring Application Server Installations and Uninstallations, Creating SAP Adaptive Extensions Repositories on UNIX, Configuring SAP Adaptive Extensions on UNIX, Creating SAP Adaptive Extensions Repositories on Windows, Configuring SAP Adaptive Extensions on Windows, Preparing Replication Status Repositories, Creating SAP HANA Replication Status Repositories, Configuring Custom Settings for System Provisioning, Configuring Additional Instance Information, Configuring Diagnostics Agent Connections, Configuring SystemDB Administrator Credentials, Configuring Database Administrator Credentials, Configuring Database Schema User Credentials, Specifying Configuration Directories of Database Instances, Specifying SQL Ports for Tenant Databases, Configuring Custom Properties for Instances, Assigning Custom Relations and Target Entities, Specifying Exclusively Consumed Resources, Extracting Mount Points from the File System, Enabling E-Mail Notifications for Activities, Enabling Custom Notifications for Activities, Configuring Managed Systems as SAP Solution Manager Systems, Assigning SAP Solution Manager Systems to Managed Systems, Configuring Managed Systems as Focused Run Systems, Assigning Focused Run Systems to Managed Systems, Configuring Custom Properties for Systems, Provisioning and Remote Function Call (RFC), Enabling Systems for Provisioning Operations, Configuring SAP Test Data Migration Server, Adding Mount Point Configurations on System Level, Configuring Remote Function Call Destinations, Configuring Outgoing Connections for System Isolation, Assigning Elements to Characteristic Values, Search Operators and Wildcards for Global Searches, Search Operators and Wildcards for Local Searches, Configuring the UI Refresh Interval per Screen, Operations for Adaptive Enabled Systems and Instances, Operations for Non-Adaptive Enabled Systems and Instances, Allowing One Instance to Run on One Host at a Time, Allowing Multiple Instances to Run on One Host at a Time, Managing SAP Adaptive Extensions Installations, General Prerequisites for Instance Operations, Starting Including Preparing Systems and Instances, Stopping and Unpreparing Systems and Instances, Relocating Not Running Systems and Instances, Restarting the AS Java Instance of an AS ABAP/Java System, Restarting and Reregistering an Instance Agent, Registering and Starting an Instance Agent, Executing Operations on Instances with an SAP Solution Manager System Assigned to Them, Executing Operations on Instances with a Focused Run System Assigned to Them, Description of the Rolling Kernel Switch Concept, Installing the License for ABAP Post-Copy Automation, Setting the Target Status for an Instance, Clearing the Target Status for an Instance, Getting A List of Users Who Are Logged On, Active/Active (Read Enabled) System Replication, Enabling or Disabling Full Sync Replication, Performing a Forced System Replication Takeover, Registering a Secondary Tier for System Replication, Starting Check of Replication Status Share, Stopping Check of Replication Status Share, Stopping Replicated Multi-Tier SAP HANA Systems, Unregistering Secondary Tier from System Replication, Unregistering System Replication Site on Primary, Assign Replication Status Repository Workflow, Moving a Tenant Database Near Zero Downtime, Near Zero Downtime Maintenance on Non-Primary Tier, Performing Near Zero Downtime Maintenance on Non-Primary Tier, Near Zero Downtime Maintenance on Non-Primary Tier Workflow, Near Zero Downtime Maintenance on Primary Tier, Performing Near Zero Downtime Maintenance on Primary Tier, Near Zero Downtime Maintenance on Primary Tier Workflow, Performing a Near Zero Downtime SAP HANA Update, Near Zero Downtime SAP HANA Update Workflow, Near Zero Downtime SAP HANA Update on Primary Tier, Performing a Near Zero Downtime SAP HANA Update on Primary Tier, Near Zero Downtime SAP HANA Update on Primary Tier Workflow, Register Primary Tier as new Secondary Tier, Registering a Primary Tier as new Secondary Tier, Register Primary Tier as new Secondary Tier Workflow, Removing Replication Status Configuration, Remove Replication Status Configuration Workflow, Updating Replication Status Configuration, Update Replication Status Configuration Workflow, Deactivating (OS Shutdown) Virtual Elements, Deactivating (Power Off) Virtual Elements, General Prerequisites for Provisioning Systems, Refreshing a Database Using a Database Backup, Executing Post-Copy Automation Standalone, Monitoring a System Clone, Copy, Refresh, or Rename, Installing Application Servers on an Existing System, Creating SAP HANA System Replication Tiers, Destroying SAP HANA System Replication Tiers, Configuring SAP Host Agent Registered Scripts, Creating Provider Script Registered with Host Agent, Parameters for Custom Operations and Custom Hooks, Creating Documentation for Custom Operations, Rearranging the Order of Custom Operations, Parameterizing Values for Provisioning Templates, Saving Activities as Provisioning Blueprints, Saving Provisioning Blueprints as Operation Template, Grouping Templates available in the Schedule, Filtering Templates available in the Schedule, Downloading Activities Support Information, General Security Aspects and Relevant Assets, Assets SAP Landscape Management Relies On, Setting Authorization Permissions for Operations and Content, Setting Authorization Permissions for Views, SAP Note 2211663 - The license changes in an, SAP Note 1876398 - Network configuration for System Replication in, SAP Note 17108 - Shared memory still present, startup fails, SAP Note 1945676 - Correct usage of hdbnsutil -sr_unregister, Important Disclaimers and Legal Information. At the time of the parameters change in Production both TIER2 and TIER3 systems were stopped and removed from Replication setup The required ports must be available. redirection. SAP HANA System Target Instance. Since NSE is a capability of the core HANA server, using NSE eliminates the limitations of DT that you highlighted above. Changed the parameter so that I could connect to HANA using HANA Studio. Configure SAP HANA hostname resolution to let SAP HANA communicate over the You modify properties in the global.ini file to prepare resources on each tenant database to support SAP HANA dynamic tiering. Stopped the Replication to TIER2 and TIER3 and removed them from the system replication configuration Use Secure Shell (SSH) to connect to your EC2 instance at the OS level. Activated log backup is a prerequisite to get a common sync point for log 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. global.ini -> [system_replication_communication] -> listeninterface : .global or .internal 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. For instance, you have 10.0.1. The XSA can be offline, but will be restarted (thanks for the hint Dennis). Failover nodes mount the storage as part of the failover process. ###########. Extracting the table STXL. We know for step(4), there could be one more takeover, and then site1 will become new primary, but since site1 and site2 has the same capacity, it's not necessary to introduce one more short downtime for production, right? (more details in 8.). * In the first example, the [system_replication_communication]listeninterface parameter has been set to .global and the neighboring hosts are specified. Since quite a while SAP recommends using virtual hostnames. * Dedicated network for system replication: 10.5.1. network interfaces you will be creating. You can modify the rules for a security group at any time. Wonderful information in a couple of blogs!! SQL on one system must be manually duplicated on the other Both SAP HANA and dynamic tiering hosts, including standby hosts, use storage APIs to access the devices. the IP labels and no client communication has to be adjusted. Before we get started, let me define the term of network used in HANA. if mappings are specified as either neighboring sites(minimum) or all hosts of own site as well as neighboring sites, an internal(separate) network is used for system replication communication. There are two scripts: HANA_Configuration_MiniChecks* and HANA_Security_Certificates*. Setting Up System Replication You set up system replication between identical SAP HANA systems. Above configurations are only required when you have internal networks. The extended store can reduce the size of your in-memory database. Introduction. Thanks for letting us know we're doing a good job! Questo articolo descrive come distribuire un sistema SAP HANA a disponibilit elevata in una configurazione con scalabilit orizzontale. The values are visible in the global.ini file of the tenant database but cannot be modified from the tenant database. secondary. # 2021/03/18 Inserted XSA high security Kudos out to Patrick Heynen For more information about how to create and There are some documentations available by SAP, but some of them are outdated or not matching the customer environments/needs or not all-embracing. You use this service to create the extended store and extended tables. Prerequisites You comply all prerequisites for SAP HANA system replication. mapping rule : system_replication_internal_ip_address=hostname, 1. Maybe you are now asking for this two green boxes. 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. You have installed SAP Adaptive Extensions. We are not talking about self-signed certificates. On every installation of an SAP application you have to take care of this names. 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