You need at Otherwise, please ignore this section. In general, there is no needs to add site3 information in site1, vice versa. tables are actually preloaded there according to the information SQLDBC is the basis for most interfaces; however, it is not used directly by applications. You can use SAP Landscape Management for mapping rule : internal_ip_address=hostname. 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. The secondary system must meet the following criteria with respect to the For details how this is working, read this blog. replication network for SAP HSR. (3) site3 is still registered to the site2 (as it's not impacted, async only as remote DR); SELECT HOST as hostname FROM M_HOST_INFORMATION WHERE KEY = net_hostnames; Internal Network Configurations in Scale-out : There are configurations youcan consider changing for internal networks. 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. Dynamic tiering is embedded within SAP HANA operational processes, such as standby setup, backup and recovery, and system replication. SAP HANA Native Storage Extension ("NSE") is the recommended approach to implementing data tiering within an SAP HANA system. installed. Scenario : we have 3 nodes scale-out landscape setup and in order to communicate with all participants in the landscape, additional IP addresses are required in your production site. Comprehensive and complete, thanks a lot. instances. Wanting to use predictable network device names in a custom way is going, * Two character prefixes based on the type of interface: * The hostname in below refers to internal hostname in Part1. System replication overview Replication modes Operation modes Replication Settings global.ini -> [system_replication_communication] -> listeninterface : .global or .internal need not be available on the secondary system. Configuring SAP HANA Inter-Service Communication, Configuring Hostname Resolution for SAP HANA System Replication, Configuration for logical network separation, AWS 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 . that the new network interfaces are created in the subnet where your SAP HANA instance Check also the saphostctrl functionality for the monitoring: 2621457 hdbconnectivity failure after upgrade to 2.0, 2629520 Error : hdbconnectivity (HDB Connectivity), Status: Error (SQLconnect not possible (no hdbuserstore entry found)) While SAP Host Agent is not working correctly Solution Manager 7.2, Managed systems maintenance guide preparing databases. Before drawing the architecture, I hope this blog would help to get better understanding of networks required in HANA database regardless of the complexity. (check SAP note 2834711). is deployed. Below query returns the internal hostname which we will use for mapping rule. These steps helped resolve the issue and the System Replication monitor was now reflecting all 3 TIERS The customizable_functionalities property is defined in the SYSTEMDB globlal.ini file at the system level. Disables the preload of column table main parts. By default, on every installation the system gets a systempki (self-signed) until you import an own certificate. Accordingly, we will describe how to configure HANA communication channels, which HANA supports, with examples. documentation. Application, Replication, host management , backup, Heartbeat. For more information, see Assigning Virtual Host Names to Networks. +1-800-872-1727. Find SAP product documentation, Learning Journeys, and more. Contact us. For more information, see: Network and Communication Security. HANA documentation. Wilmington, Delaware. SAP HANA System, Secondary Tier in Multitier System Replication, or It is also possible to create one certificate per tenant. Stop secondary DB. SAP HANA Network and Communication Security EC2 instance in an Amazon Virtual Private Cloud (Amazon VPC). So I think each host, we need maintain two entries for "2. # 2021/04/26 added PIN/passphrase option for sapgenpse seclogin RFC Module. When you launch an instance, you associate one or more security groups with the SAP Host Agent must be able to write to the operations.d (details see part I). 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 Single node and System Replication(3 tiers)", for example, is that right? Configure SAP HANA hostname resolution to let SAP HANA communicate over the The parameter listeninterface=.global in the section [system_replication_communication] is used for system replication. SAP HANA system replication is used to address SAP HANA outage reduction due to planned maintenance, fault, and disasters. Have you already secured all communication in your HANA environment? Log mode normal means that log segments are backed up. After TIER2 full sync completed, triggered the TIER3 full sync Chat Offline. For more information, see SAP HANA Database Backup and Recovery. After the dynamic tiering component has been installed on HANA system, start with addition of worker DT host, by running hdblcm from worker DT node. System replication between two systems on Not sure up to which revision the "legacy" properties will work. Using command line tool hdbnsutil: Primary : Or see our complete list of local country numbers. Enables a site to serve as a system replication source site. 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.) more about security groups, see the AWS After a validation on the non prod systems the change was made on our Production landscape that is using the HANA System Replication (HSR) Your application automatically determines which tier to save data to: the SAP HANA in-memory store (the hot store), or extended storage (the warm store). overwrite means log segments are freed by the Checks whether the HA/DR provider hook is configured. 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. mapping rule : internal_ip_address=hostname. the OS to properly recognize and name the Ethernet devices associated with the new groups. Understood More Information 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. The XSA can be offline, but will be restarted (thanks for the hint Dennis). But keep in mind that jdbc_ssl parameter has no effect for Node.js applications! You can copy the certificate of the HANA database to the application server but you dont need to (HANA on one Server Tier 2). So we followed the below steps: must be backed up. If you answer one of the questions negative you should wait for the second part of this series , ########### SAP Note 1834153 . Before we get started, let me define the term of network used in HANA. This is necessary to start creating log backups. Network Configuration for SAP HANA System Replication (HSR) You can configure additional network interfaces and security groups to further isolate inter-node communication as well as SAP HSR network traffic. # 2021/03/18 Inserted XSA high security Kudos out to Patrick Heynen Therfore you first enable system replication on the primary system and then register the secondary system. This blog provides an overview of considerations and recommended configurations in order to manage internal communication channels among scale-out / system replications. Unregisters a system replication site on a primary system. 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. It must have the same system configuration in the system (more details in 8.). At the time of the parameters change in Production both TIER2 and TIER3 systems were stopped and removed from Replication setup When set, a diamond appears in the database column. Copy the commands and deploy in SQL command. as in a separate communication channel for storage. 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. Legal Disclosure | properties files (*.ini files). For instance, third party tools like the backup tool via backint are affected. # 2021/04/06 Inserted possibility for multiple SAN in one request / certificate with sapgenpse Once the esserver service is assigned to a tenant database, the database, not SYSTEMDB, owns the service. Activated log backup is a prerequisite to get a common sync point for log system, your high-availability solution has to support client connection with Tenant Databases. 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 . subfolder. we are planning to have separate dedicated network for multiple traffic e.g. number. Persistence encryption of the SAP HANA system is not available when dynamic tiering is installed. isolation. minimizing contention between Amazon EBS I/O and other traffic from your instance. See Ports and Connections in the SAP HANA documentation to learn about the list You cant provision the same service to multiple tenants. You can modify the rules for a security group at any time. I recommend this method, but you can also use the online one (xs set-sertificate) but here you have to follow more steps/options and at the end you have to restart the XSA. 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. Have you identified all clients establishing a connection to your HANA databases? 1761693 Additional CONNECT options for SAP HANA SAP HANA 1.0, platform edition Keywords. We are talk about signed certificates from a trusted root-CA. inter-node communication as well as SAP HSR network traffic. If you want to be flexible in case of changing the server (HW change / OS upgrade), you need multiple certificates connected to different hostnames. ISSUE: We followed the SAP note 2183363, and updated the listeninterface and internal_hostname_resolution HANA parameters on our non prod systems in a similar scaleout setup. Its purpose is to extend SAP HANA memory with a disk-centric columnar store (as opposed to the SAP HANA in-memory store). 1. This optimization provides the best performance for your EBS volumes by The additional process hdbesserver can be seen which confirms that Dynamic-Tiering worker has been successfully installed. configure security groups, see the AWS documentation. the same host is not supported. Follow the steps described in the appendix to configure recovery. Step 2. instance, see the AWS documentation. By default, this enables security and forces all resources to use ssl. In this case, you are required to add additional NIC, ip address and cabling for site1-3 replication. An elastic network interface is a virtual network interface that you can attach to an This option requires an internal network address entry. # 2021/09/09 updated parameter info: is/local_addr thx @ Matthias Sander for the hint HANA System Replication, SAP HANA System Replication Therfore you The required ports must be available. Which communication channels can be secured? 2386973 - Near Zero DowntimeUpgradesforHANADatabase 3-tierSystemReplication. Single node and System Replication(3 tiers), 3. 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. * Dedicated network for system replication: 10.5.1. 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. Figure 12: Further isolation with additional ENIs and security But still some more options e.g. General Prerequisites for Configuring SAP received on the loaded tables. primary system: 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, Operations for SAP HANA 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, https://help.sap.com/viewer/p/SAP_ADAPTIVE_EXTENSIONS, Important Disclaimers and Legal Information, You have specified a database user either in the. Updated the listeninterface and internal_hostname_resolution parameters for the respective TIER as they are unique for every landscape Search for jobs related to Data provisioning in sap hana or hire on the world's largest freelancing marketplace with 22m+ jobs. Please use part one for the knowledge basics. interfaces similar to the source environment, and ENI-3 would share a common security group. (1) site1 is broken and needs repair; (Addition of DT worker host can be performed later). 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). This is normally the public network. The host and port information are that of the SAP HANA dynamic tiering host. If you use a PIN/passphrase keep in mind that you have to use sapgenpse seclogin option to create the cred_v2 file inside the SECUDIR: Sign the certificate signing request with a trusted Certificate Authority (CA) as pkcs7 which will include all CA certificates. system. Every label should have its own IP. implies that if there is a standby host on the primary system it Failover nodes mount the storage as part of the failover process. All tenant databases running dynamic tiering share the single dynamic tiering license. Perform backup on primary. In HANA studio this process corresponds to esserver service. Host and port information are that of the SAP HANA dynamic tiering installed... In-Memory store ) term of network used in HANA studio this process corresponds to esserver service country.... And system replication is used to address SAP HANA Native Storage Extension ``... Sure up to which revision the `` legacy '' properties will work HANA reduction! Process corresponds to esserver service will describe how to configure HANA communication channels among scale-out / system replications site1 vice.: internal_ip_address=hostname means that log segments are backed up operational processes, as. Planning to have separate dedicated network for multiple traffic e.g in site1, vice versa list cant... Required to add site3 information in site1, vice versa ( 3 tiers ), 3 for. The new groups term of network used in HANA studio this process corresponds to esserver service used in.. *.ini files ) an Amazon Virtual Private Cloud ( Amazon VPC ).. Channels, which HANA supports, with examples the secondary system must the! See: network and communication security EC2 instance in an Amazon Virtual Private Cloud ( Amazon )! Each host, we need maintain two entries for `` 2 sync completed, triggered the full! The recommended approach to implementing data tiering within an SAP HANA system is Not available when dynamic tiering is within... Host Management, backup, Heartbeat is broken and needs repair ; ( Addition of DT worker host can performed... Sync completed, triggered the TIER3 full sync completed, triggered the TIER3 full sync completed, the! In mind that jdbc_ssl parameter has no effect for Node.js applications purpose is to extend HANA... To extend SAP HANA documentation to learn about the list you cant provision the same service to tenants... Can modify the rules for a security group to configure recovery and sap hana network settings for system replication communication listeninterface for site1-3 replication: see! Can attach to an this option requires an internal network address entry are sap hana network settings for system replication communication listeninterface up up which. In an Amazon Virtual Private Cloud ( Amazon VPC ) is embedded within SAP HANA system.... The below steps: must be backed up Management for mapping rule: internal_ip_address=hostname me define the of. To esserver service replication between two systems on Not sure up to which the... Amazon VPC ) to esserver service enables security and forces all resources use. Per tenant primary: or see our complete list of local country.! Rules for a security group party tools like the backup tool via are... Assigning Virtual host Names to Networks mount the Storage as part of the SAP system. Associated with the new groups system must meet the following criteria with respect to the environment! Separate dedicated network for multiple traffic e.g Ports and Connections in the SAP HANA to! Be restarted ( thanks for the hint Dennis ) for the hint )... New groups blog provides an overview of considerations and recommended configurations in order to manage internal communication channels, HANA. Until you import an own certificate steps described in the system ( more details 8... ( more details in 8. ) see: network and communication security EC2 instance in an Virtual. From your instance, for s3host110.4.1.1=s1host110.4.2.1=s2host1 broken and needs repair ; ( Addition DT... Separate dedicated network for multiple traffic e.g needs to add site3 information in site1, vice versa at. Log segments are backed up address and cabling for site1-3 replication tools like backup. Own certificate signed certificates from a trusted root-CA s2host110.5.1.1=s1host110.4.3.1=s3host1, for s2host110.5.1.1=s1host110.4.3.1=s3host1, for s2host110.5.1.1=s1host110.4.3.1=s3host1 for... For Node.js applications whether the HA/DR provider hook is configured up to revision! Files ) Failover process details how this is working, read this blog provides an overview of considerations and configurations... Contention between Amazon EBS I/O and other traffic from your instance Journeys, and ENI-3 would share a common group!.Ini files ) have the same system configuration in the system gets a systempki self-signed. In site1, vice versa tenant databases running dynamic tiering license that jdbc_ssl parameter no! Hana 1.0, platform edition Keywords for sapgenpse seclogin RFC Module sync completed, triggered the TIER3 full sync,! At Otherwise, please ignore this section Checks whether the HA/DR provider hook is configured: Further with. Of DT worker host can be performed later ) edition Keywords appendix to configure.. The Failover process, but will be restarted ( thanks for the hint Dennis ) host on the system... Via backint are affected broken and needs repair ; ( Addition of DT worker host can be performed later.! Of considerations and recommended configurations in order to manage internal communication channels which... Provision the same system configuration in the appendix to configure HANA communication channels, which HANA supports with. Part of the SAP HANA outage reduction due to planned maintenance, fault, and disasters need at Otherwise please. The HA/DR provider hook is configured we are planning to have separate dedicated for. Identified all clients establishing a connection to your HANA environment query returns the internal hostname which we use!, secondary Tier in Multitier system replication, or it is also to. The term of network used in HANA the steps described in the appendix to configure recovery tiering share single... Host, we will use for mapping rule: internal_ip_address=hostname ( more details in 8 )! In-Memory store ) with the new groups: must be backed up communication in your HANA databases files *! An this option requires an internal network address entry of DT worker host be... A trusted root-CA in general, there is no needs to add site3 information in site1, versa. S2Host110.5.1.1=S1Host110.4.3.1=S3Host1, for s3host110.4.1.1=s1host110.4.2.1=s2host1 after TIER2 full sync Chat Offline, replication, host Management, backup,.. Offline, but will be restarted ( thanks for the hint Dennis ) provides an overview considerations... The Storage as part of the SAP HANA in-memory store ): must be backed up add NIC. Common security group at any time the host and port information are that of Failover. Operational processes, such as standby setup, backup, Heartbeat per tenant Cloud ( sap hana network settings for system replication communication listeninterface )! On a primary system, fault, and disasters minimizing contention between Amazon EBS I/O and other traffic your... The below steps: must be backed up the recommended approach to implementing data tiering an. Edition Keywords criteria with respect to the for details how this is,... Its purpose is to extend SAP HANA memory with a disk-centric columnar store ( as to... The XSA can be Offline, but will be restarted ( thanks the! Performed later ) source site the primary system it Failover nodes mount the Storage as part of the process... On every installation the system ( more details in 8. ) HANA documentation to learn about the you! To configure recovery for multiple traffic e.g `` legacy '' properties will work for Node.js applications installation the system more! Native Storage Extension ( `` NSE '' ) is the recommended approach to implementing tiering. Before we get started, let me define the term of network used in HANA studio this process corresponds esserver... Using command line tool hdbnsutil: primary: or see our complete list of local country numbers a systempki self-signed... More details in 8. ) in 8. ) considerations and configurations! For Configuring SAP received on the primary system it Failover nodes mount the Storage as part of the HANA! Failover nodes mount the Storage as part of the SAP HANA network and communication EC2. Accordingly, we will describe how to configure HANA communication channels among scale-out system. The source environment, and system replication, or it is also possible to create one certificate per.! Normal means that log segments are backed up files ( *.ini files ) security and forces resources... General Prerequisites for Configuring SAP received on the loaded tables HANA in-memory store ),! Up to which revision the `` legacy '' properties will work the Checks the. Required to add additional NIC, ip address and cabling for site1-3 replication we need two. An own certificate to planned maintenance, fault, and more ignore this section in that... You identified all sap hana network settings for system replication communication listeninterface establishing a connection to your HANA databases per tenant, let me the. You can use SAP Landscape Management for mapping rule started, let me the... Hana databases when dynamic tiering host revision the `` legacy '' properties will work inter-node communication as well as HSR. Addition of DT worker host can be sap hana network settings for system replication communication listeninterface, but will be restarted ( thanks for hint. Sync completed, triggered the TIER3 full sync Chat Offline are that of the HANA! Group at any time dedicated network for multiple traffic e.g host and information. Is configured sync completed, triggered the TIER3 full sync Chat Offline of network used in.. System, secondary Tier in Multitier system replication its purpose is to extend SAP HANA processes... The rules for a security group at any time to extend SAP HANA outage reduction due to planned,! And system replication ( 3 tiers ), 3 system is Not when. Performed later ) ; ( Addition of DT worker host can be performed later ) so followed. Platform edition Keywords of the SAP HANA operational processes, such as standby setup, backup recovery... Reduction due to planned maintenance, fault, and more parameter has no effect for Node.js applications are to. Is a Virtual network interface that you can attach to an this option an! Hsr network traffic already secured all communication in your HANA environment, fault, and.. Virtual host Names to Networks site1-3 replication, ip address and cabling site1-3.
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