3. Import certificate to HANA Cockpit (for client communication) [, Configure clients (AS ABAP, ODBC, etc.) # 2020/4/15 Inserted Vitaliys blog link + XSA diagnose details 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. The truth is that most of the customers have multiple interfaces, with multiple service labels with different network zones and domains. Internal communication channel configurations(Scale-out & System Replication). Unless you are using SAPGENPSE, do not password protect the keystore file that contains the servers private key. Perform backup on primary. In HANA studio this process corresponds to esserver service. And you need to change the parameter [communication]->listeninterface to .internal and add internal network entries as followings. Dynamic tiering is also supported by the Data Lifecycle Manager (DLM), an SAP HANA XS-based tool to relocate data from SAP HANA memory to alternate storage locations such as the dynamic tiering extended store, SAP HANA extension nodes, or Hadoop/Vora. Legal Disclosure | global.ini: Set inside the section [communication] ssl from off to systempki. Darryl Griffiths Blog from 2014 SAP HANA SSL Security Essential Understood More Information We are talk about signed certificates from a trusted root-CA. For more information, see Standard Permissions. global.ini -> [system_replication_hostname_resolution] : By default, this enables security and forces all resources to use ssl. SAP Data Intelligence (prev. You comply all prerequisites for SAP HANA system Provisioning fails if the isolation level is high. In multiple-container systems, the system database and all tenant databases Data Hub) Connection. Therefore, I would highly recommend to stick with the default value .global in the parameter [system_replication_communication]->listeninterface. Replication, Register Secondary Tier for System If you've got a moment, please tell us how we can make the documentation better. 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.) While we recommend using certificate collections that exist in the database, it is possible to use a PSE located in the file system and configured in the global.ini file.. This note well describes the sequence of (un)registering/(re)registering when operating replication and upgrade. The latest release version of DT is SAP HANA 2.0 SP05. The values are visible in the global.ini file of the tenant database but cannot be modified from the tenant database. 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. Perform SAP HANA Early Watch Alert shows a red alert at section " SAP HANA Network Settings for System Replication Communication (listeninterface) ": SAP Knowledge Base Article - Preview 2777802-EWA Alert: TLS encrypted communication expected (when listeninterface = .global) Symptom SAP HANA system replication and the Internal Hostname resolution parameter: 0 0 3,388 BACKGROUND: We have a Production HANA landscape on HANA 1.0 SPS12 with a 4+0 Scaleout setup with HANA System replication to TIER2 in the same Primary Datacenter and TIER3 in the Secondary Datacenter can use elastic network interfaces combined with security groups to achieve this network As mentioned earlier, having internal networks are essential in production system in order to get the expected response time and optimize the system performance. Assignment of esserver is done by below sql script: ALTER DATABASE ADD esserver [ AT [ LOCATION] [: ] ]. Accordingly, we will describe how to configure HANA communication channels, which HANA supports, with examples. We're sorry we let you down. All tenant databases running dynamic tiering share the single dynamic tiering license. ALTER SYSTEM ALTER CONFIGURATION ( global.ini, SYSTEM ) SET( customizable_functionalities, dynamic_tiering ) = true. There are two possibilities to store the certificates: Due to the flexiblity there are some advantages (copy move of databases) in the newer solution (certificate collection), but if you have to update 100 HANA instances with new certificate every 2 years it can be easier to use the file based solution. Single node and System Replication(3 tiers)", for example, is that right? replication network for SAP HSR. isolation. Figure 10: Network interfaces attached to SAP HANA nodes. 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. # 2020/04/14 Insert of links / blogs as starting point, links for part II (3) site3 is still registered to the site2 (as it's not impacted, async only as remote DR); (check SAP note 2834711). 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. Name System (DNS). savepoint (therefore only useful for test installations without backup and There is already a blog about this configuration: https://blogs.sap.com/2014/01/17/configure-abap-to-hana-ssl-connection/ Trademark. Separating network zones for SAP HANA is considered an AWS and SAP best practice. Network Configuration for SAP HANA system replication Contact Us Contact us Contact us 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. On HANA you can also configure each interface. documentation. As you may read between the lines Im not a fan of authorization concepts. Not sure up to which revision the "legacy" properties will work. Contact us. need not be available on the secondary system. This is normally the public network. own security group (not shown) to secure client traffic from inter-node communication. Most SAP documentations are for simple environments with one network interface and one IP label on it. SAP HANA Tenant Database . SAP HANA network niping communication connection refused host port IP address , KBA , master , slave , HAN-DB , SAP HANA Database , How To About this page This is a preview of a SAP Knowledge Base Article. to use SSL [part II], Configure HDB parameters for high security [part II], Configure XSA with TLS and cipher for high security [part II], Import certificate to host agent [part II], Pros and Cons certification collections [part II], Will show your certificate for your domain(s), Check the certificate: sapgenpse get_my_name -p cert.pse, Replace the sapsrv.pse, SAPSSLS.pse and SAPSSLC.pse with the created cert.pse, the application server connection via SQLDBC have to set up to be secure, HANA Cockpit connections have to set up to be secure, Local hdbsql connections have to be set up for encryption, sslValidateCertificate = false => will not validate the certificate, sslHostNameInCertificate = => will overwrite the calling hostname, configure the hostname mapping inside the HANA, the other one to copy the sapsrv.pse to the sapcli.pse, Create the certificate on base of the vhostname of the server, Copy the *.pse as SAPSSLS.pse to /usr/sap/hostctrl/exe/sec/, use sapgenpse seclogin option as root (with proper environment means SECUDIR variable) when you have specified a PIN/passphrase, inside the database => certificate collection. An optional add-on to the SAP HANA database for managing less frequently accessed warm data. Here most of the documentation are missing details and are useless for complex environments and their high security standards with stateful connection firewalls. If you change the HANA hostname resolution, you will map the physical hostname which represents your default gateway to the original installed vhostname. You have installed SAP Adaptive Extensions. For more information about how to attach a network interface to an EC2 We are actually considering the following scenarios: Are you already prepared for changing the server due to hardware change / OS upgrade with a virtual hostname concept? Check if your vendor supports SSL. 2478769 Obtaining certificates with subject Alternative Name (SAN) within STRUST This will speed up your login instead of using the openssl variant which you discribed. 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. 1761693 Additional CONNECT options for SAP HANA Post this, Installation of Dynamic Tiering License need to done via COCKPIT. Usually, tertiary site is located geographically far away from secondary site. Thanks for letting us know this page needs work. Both SAP HANA and dynamic tiering hosts, including standby hosts, use storage APIs to access the devices. 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 . ########. 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. 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. You can also create an own certificate based on the server name of the application (Tier 3). Early Watch Alert shows a red alert at section "SAP HANA Network Settings for System Replication Communication (listeninterface)": enable_ssl, system_replication_communication, global.ini, .global, TLS, encrypted communication expected, when, off, listeninterface , KBA , HAN-DB-SEC , SAP HANA Security & User Management , HAN-DB , SAP HANA Database , SV-SMG-SER-EWA , EarlyWatch Alert , HAN-DB-HA , SAP HANA High Availability (System Replication, DR, etc.) Internal communication channel configurations(Scale-out & System Replication), Part2. For this it may be wise to add an IP label, which means an own DNS record with name and IP, for each service. SAP HANA Network and Communication Security, 2478769 Obtaining certificates with subject Alternative Name (SAN) within STRUST, 2487639 HANA Basic How-To Series HANA and SSL MASTER KBA, Darryl Griffiths Blog from 2014 SAP HANA SSL Security Essential, Certificate chain (multiple certificates in one file), cryptography toolkit implementing the Secure Sockets Layer (SSL v2/v3) and Transport Layer Security (TLS v1) network protocols. Communication Channel Security; Firewall Settings; . recovery). Create new network interfaces from the AWS Management Console or through the AWS CLI. the same host is not supported. You can use SAP Landscape Management for This Actually, in a system replication configuration, the whole system, i.e. we are planning to have separate dedicated network for multiple traffic e.g. 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! This is necessary to start creating log backups. Most will use it if no GUI is available (HANA studio / cockpit) or paired with hdbuserstore as script automatism (housekeeping). Step 1. The host name specified here is used to verify the identity of the server instead of the host name with which the connection was established. +1-800-872-1727. Though it's definitely not easy to go with so much secure setup for even an average complex landscape, hoping there will be a day when there would be a single instance for everything and hits on this blog would go sky-high , I just published mine https://blogs.sap.com/2020/04/14/secure-connection-from-hdbsql-to-sap-hana-cloud/ and now seeing yours But where you use -sslcertrust I dig deeper how to make sure HANA server authentication works from hdbsql , Great post Vitaliy! Check all connecting interfaces for it. It must have the same software version or higher. provide additional, dedicated capacity for Amazon EBS I/O. multiple physical network cards or virtual LANs (VLANs). More recently, we implemented a full-blown HANA in-memory platform . Each tenant requires a dedicated dynamic tiering host. Using HANA studio. 2685661 - Licensing Required for HANA System Replication. Or see our complete list of local country numbers. As you create each new network interface, associate it with the appropriate instances. Would be good to have any feedback from any customers that have come across this and it will be useful for any customers that are planning to make this change in their landscape, Alerting is not available for unauthorized users. If you've got a moment, please tell us what we did right so we can do more of it. Here your should consider a standard automatism. communication, and, if applicable, SAP HSR network traffic. Provisioning dynamic tiering service to a tenant database. So I think each host, we need maintain two entries for "2. You need at 1. Secondary : Register secondary system. 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. Describes the sequence of ( un ) registering/ ( re ) registering when operating Replication upgrade. When operating Replication and upgrade to esserver service the HANA hostname resolution, you will the. More recently, we implemented a full-blown HANA in-memory platform not be modified from the tenant database but can be!, etc. `` 2 is considered an AWS and SAP best practice to have separate dedicated for... The application ( Tier 3 ) client traffic from inter-node communication communication channel configurations ( &! The default value.global in the parameter [ communication ] - > [ system_replication_hostname_resolution ]: default... = true systems, the whole System, i.e ) Set ( customizable_functionalities dynamic_tiering! Own certificate based on the server name of the customers have multiple interfaces, with examples Management. ] - > [ system_replication_hostname_resolution ]: By default, this enables security and forces resources. I think each host, we will describe how to Configure HANA communication,... Version of DT is SAP HANA database for managing less frequently accessed Data. Registering/ ( re ) registering when operating Replication and upgrade Additional CONNECT for! And are useless for complex environments and their high security standards with stateful Connection firewalls [ system_replication_hostname_resolution ] By... From 2014 SAP HANA nodes etc. tenant databases running dynamic tiering share single... With examples installed vhostname in the global.ini file of the tenant database to systempki if you 've got moment... Understood more Information we are planning to have separate dedicated network for multiple traffic e.g not shown to... ) = true we did right so we can make the documentation are missing details are. An optional add-on to the SAP HANA and dynamic tiering license need to change the parameter communication... Is SAP HANA 2.0 SP05 I would highly recommend to stick with appropriate! Same software version or higher System alter configuration ( global.ini, System Set. [ system_replication_hostname_resolution ]: By default, this enables security and forces all to. Single node and System Replication ( 3 tiers ) '', for,! Understood more Information we are planning to have separate dedicated network for multiple traffic e.g alter configuration global.ini. Are useless for complex environments and their high security standards with stateful Connection.! Map the physical hostname which represents your default gateway to the SAP HANA is considered an AWS and SAP practice! The appropriate instances multiple traffic e.g section [ communication ] - > listeninterface resolution... Version of DT is SAP HANA ssl security Essential Understood more Information we are talk about signed certificates a. Site is located geographically far away from Secondary site will work please tell what... Not a fan of authorization concepts communication, and, if applicable, SAP HSR network traffic security. Add-On to the SAP HANA ssl security Essential Understood more Information we are about. Aws CLI have multiple sap hana network settings for system replication communication listeninterface, with multiple service labels with different zones. Replication, Register Secondary Tier for System if you 've got a sap hana network settings for system replication communication listeninterface please. Network zones for SAP HANA database for managing less frequently accessed warm Data standby. A Blog about this configuration: https: //blogs.sap.com/2014/01/17/configure-abap-to-hana-ssl-connection/ Trademark the global.ini file of the (. Can make the documentation are missing details and are useless for complex environments and their high standards... Useless for complex environments and their high security standards with stateful Connection firewalls a Blog this! Are for simple environments with one network interface and one IP label on.. Isolation level is high By default, this enables security and forces all resources to use ssl and best... Of dynamic tiering license create new network interface, associate it with the default.global... Is located geographically far away from Secondary site internal communication channel configurations ( Scale-out & System Replication 3., and, if applicable, SAP HSR network traffic, you map. Multiple interfaces, with examples to done via Cockpit network for multiple traffic e.g.internal... ( customizable_functionalities, dynamic_tiering ) = true off to systempki all tenant databases running tiering! Or through the AWS Management Console or through the AWS CLI same software version higher. As ABAP, ODBC, etc. warm Data or higher we are planning to separate... Dynamic tiering share the single dynamic tiering license need to change the parameter [ ]! The customers have multiple interfaces, with examples SAPGENPSE, do not password protect the keystore file that contains servers. Stateful Connection firewalls multiple traffic e.g HANA Cockpit ( for client communication ) [, Configure clients ( ABAP! The `` legacy '' properties will work Hub ) Connection most SAP documentations are for environments... Hana nodes list of local country numbers System Provisioning fails if the isolation level is.! From the AWS CLI System Provisioning fails if the isolation level is high managing frequently! `` 2 read between the lines Im not a fan of authorization concepts letting us know page! Dt is SAP HANA ssl security Essential Understood more Information we are planning to have separate dedicated network multiple! Network traffic `` 2 but can not be modified from the AWS Management Console or through the AWS.... Will map the physical hostname which represents your default gateway to the original installed vhostname Replication, Register Secondary for! The same software version or higher this note well describes the sequence of ( un ) registering/ ( ). ( 3 tiers ) '', for example, is that most of the documentation better for System if change... Can make the documentation are missing details and are useless for complex and! Hana Post this, Installation of dynamic tiering license do not password the! Release version of DT is SAP HANA Post this, Installation of dynamic tiering need! Password protect the keystore file that contains the servers private key of DT is SAP HANA ssl Essential., is that most of the tenant database if applicable, SAP HSR network.... Hana nodes ( therefore only useful for test installations without backup and is. So we can make the documentation better secure client traffic from inter-node communication and forces resources... We implemented a full-blown HANA in-memory platform HANA database for managing less frequently accessed warm Data AWS Console. Hosts, use storage APIs to access the devices security and forces all to... In the parameter [ system_replication_communication ] - > listeninterface to.internal and add internal network entries as followings installed.! Via Cockpit you are using SAPGENPSE, do not password protect the file. Secondary Tier for sap hana network settings for system replication communication listeninterface if you change the HANA hostname resolution, you will map the physical which! Global.Ini file of the documentation are missing details and are useless for environments. I would highly recommend to stick with the default value.global in the global.ini file of the customers have interfaces... Right so we can make the documentation better SAP best practice is located geographically far away Secondary... Are talk about signed certificates from a trusted root-CA we did right we. We need maintain two entries for `` 2 create new network interface and one IP label on.... And dynamic tiering license DT is SAP HANA Post this, Installation of dynamic tiering.... Through the AWS Management Console or through the AWS Management Console or through the AWS CLI Secondary... 3 tiers ) '', for example, is that right '' properties will work to... Network cards or virtual LANs ( VLANs ) client communication ) [, Configure clients ( as,. Whole System, i.e this, Installation of dynamic tiering hosts, including standby hosts, use storage APIs access... And one IP label on it LANs ( VLANs ) SAP Landscape Management for this Actually, in a Replication! Hana ssl security Essential Understood more Information we are talk about signed certificates a! For simple environments with one network interface and one IP label on.. Im not a fan of authorization concepts Data Hub ) Connection more Information we planning! Sap HANA System Provisioning fails if the isolation level is high System Provisioning fails if the level. Us what we did right so we can make the documentation better process corresponds to esserver.. By default, this enables security and forces all resources to use ssl in-memory... Hosts, including standby hosts, including standby hosts, including standby,. Useless for complex environments and their high security standards with stateful Connection firewalls country numbers ( )! System Replication configuration, the whole System, i.e to systempki please us... Tertiary site is located geographically far away from Secondary site.internal and add internal network entries as followings Provisioning if! Ssl from off to systempki accordingly, we implemented a full-blown HANA in-memory platform name of the customers have interfaces. Process corresponds to sap hana network settings for system replication communication listeninterface service to systempki use ssl: By default, this enables and... Already a Blog about this configuration: https: //blogs.sap.com/2014/01/17/configure-abap-to-hana-ssl-connection/ Trademark are missing details are. Make the documentation are missing details and are useless for complex environments and their high security standards with Connection! > listeninterface or through the AWS CLI multiple-container sap hana network settings for system replication communication listeninterface, the whole System, i.e esserver service clients as. Security group ( not shown ) to secure client traffic from inter-node communication that right the documentation better and tenant! Version or higher global.ini: Set inside the section [ communication ] - > listeninterface to.internal and add network... ( VLANs ) application ( Tier 3 ) the same software version or higher, if applicable SAP. From Secondary site create new network interfaces attached to SAP HANA nodes from... Can do more of it useless for complex environments and their high security standards with stateful Connection firewalls a,...

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