There are two scripts: HANA_Configuration_MiniChecks* and HANA_Security_Certificates*. Started the full sync to TIER2 3. minimizing contention between Amazon EBS I/O and other traffic from your instance. If you set jdbc_ssl to true will lead to encrypt all jdbc communications (e.g. The systempki should be used to secure the communication between internal components. +1-800-872-1727. Any ideas? Please refer to your browser's Help pages for instructions. See Ports and Connections in the SAP HANA documentation to learn about the list Public communication channel configurations, 2. Make sure Search for jobs related to Data provisioning in sap hana or hire on the world's largest freelancing marketplace with 22m+ jobs. global.ini -> [communication] -> listeninterface : .global or .internal Before we get started, let me define the term of network used in HANA. system. 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.) Primary Host: Enable system replication. These are called EBS-optimized Using command line tool hdbnsutil: Primary : 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 Due the complexity of this topic the first part will once more the theoretical one and the second one will be more praxis oriented with the commands on the servers. Thanks for letting us know we're doing a good job! * Dedicated network for system replication: 10.5.1. You can use SAP Landscape Management for
After some more checks we identified the listeninterface and internal_hostname_resolution parameters were not updated on TIER2 and TIER3 extract the latest SAP Adaptive Extensions into this share. Switches system replication primary site to the calling site. Here we talk about the client within the HANA client executable. Are you already prepared with multiple interfaces (incl. SQL on one system must be manually duplicated on the other
Thanks a lot for sharing this , it's a excellent blog . reason: (connection refused). Most will use it if no GUI is available (HANA studio / cockpit) or paired with hdbuserstore as script automatism (housekeeping). This option requires an internal network address entry. United States. Thank you Robert for sharing the current developments on "DT", Alerting is not available for unauthorized users, Right click and copy the link to share this comment. It must have the same system configuration in the system
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. Scale-out and System Replication(3 tiers). Log mode
So site1 & site3 won't meet except the case that I described. Privacy |
Certificate Management in SAP HANA ###########. Check if your vendor supports SSL. the global.ini file is set to normal for both systems. Here most of the documentation are missing details and are useless for complex environments and their high security standards with stateful connection firewalls. You use this service to create the extended store and extended tables. 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. 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. 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). Single node and System Replication(3 tiers)", for example, is that right? instance. Pipeline End-to-End Overview. It's a hidden feature which should be more visible for customers. inter-node communication as well as SAP HSR network traffic. * as internal network as described below picture. In HANA studio this process corresponds to esserver service. For more information, see Standard Roles and Groups. Therfore you first enable system replication on the primary system and then register the secondary system. (2) site2 take over the primary role; can use elastic network interfaces combined with security groups to achieve this network security group you created in step 1. The cleanest way is the Golden middle option 2. As you create each new network interface, associate it with the appropriate * en -- ethernet Each node has at least 2 physical IP addresses, one is for external network and another is for internal network where data/intermediate results for query processing/database operations can move around. * wl -- wlan In the following example, two network interfaces are attached to each SAP HANA node as well 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. systems, because this port range is used for system replication
(3) site3 is still registered to the site2 (as it's not impacted, async only as remote DR); 1761693 Additional CONNECT options for SAP HANA 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). global.ini -> [system_replication_communication] -> listeninterface : .global or .internal Persistence encryption of the SAP HANA system is not available when dynamic tiering is installed. SAP HANA System Target Instance. Both SAP HANA and dynamic tiering hosts, including standby hosts, use storage APIs to access the devices. General Prerequisites for Configuring SAP
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. 2478769 Obtaining certificates with subject Alternative Name (SAN) within STRUST Javascript is disabled or is unavailable in your browser. United States. steps described in the appendix to configure This is the preferred method to secure the system as it's done automatically and the certificates are renewed when necessary. Step 1 . To pass the connection parameters to the DBSL, use the following profile parameter: dbs/hdb/connect_property = param1, param2, ., paramN, https://help.sap.com/viewer/b3ee5778bc2e4a089d3299b82ec762a7/2.0.04/en-US/0ae2b75266df44499d8fed8035e024ad.html. Step 3. For scale-out deployments, configure SAP HANA inter-service communication to let HANA XSA port specification via mtaext: SAP note 2389709 - Specifying the port for SAP HANA Cockpit before installation Needed PSE's and their usage. need not be available on the secondary system. As mentioned earlier, having internal networks are essential in production system in order to get the expected response time and optimize the system performance. SAP HANA Native Storage Extension ("NSE") is the recommended approach to implementing data tiering within an SAP HANA system. Extended tables behave like all other SAP HANA tables, but their data resides in the disk-based extended store. And there must be manual intervention to unregister/reregister site2&3. instances. At the time of the parameters change in Production both TIER2 and TIER3 systems were stopped and removed from Replication setup We're sorry we let you down. About this page This is a preview of a SAP Knowledge Base Article. Recently we started receiving the alerts from our monitoring tool: Visit SAP Support Portal's SAP Notes and KBA Search. If you answer one of the questions negative you should wait for the second part of this series , ########### This
collected and stored in the snapshot that is shipped. You provision (or add) the dynamic tiering service (esserver) on the dedicated host to the tenant. But the, SAP app server on same machine, tries to connect to mapped external hostname and if tails of course. It must have the same SAP system ID (SID) and instance
Only one dynamic tiering license is allowed per SAP HANA system. Changes the replication mode of a secondary site. 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. Data Hub) Connection. communication, and, if applicable, SAP HSR network traffic. You have assigned the roles and groups required. After a validation on the non prod systems the change was made on our Production landscape that is using the HANA System Replication (HSR) ########. 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. Click more to access the full version on SAP for Me (Login required). It's free to sign up and bid on jobs. Be careful with setting these parameters! * In the first example, the [system_replication_communication]listeninterface parameter has been set to .global and the neighboring hosts are specified. The BACKINT interface is available with SAP HANA dynamic tiering. We are actually considering the following scenarios: You need a minimum SP level of 7.2 SP09 to use this feature. Disables system replication capabilities on source site. Application, Replication, host management , backup, Heartbeat. 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. # 2021/09/09 updated parameter info: is/local_addr thx @ Matthias Sander for the hint Actually, in a system replication configuration, the whole system, i.e. When you launch an instance, you associate one or more security groups with the If set on the primary system, the loaded table information is
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. The required ports must be available. The extended store can reduce the size of your in-memory database. more about security groups, see the AWS Or see our complete list of local country numbers. mapping rule : system_replication_internal_ip_address=hostname, 1. Understood More Information 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 . 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 . Check all connecting interfaces for it. You can use the same procedure for every other XSA installation. For more information about how to create a new -ssltrustcert have to be added to the call. It must have the same number of nodes and worker hosts. Thanks for the further explanation. (Storage API is required only for auto failover mechanism). As you may read between the lines Im not a fan of authorization concepts. Tertiary Tier in Multitier System Replication, Operations for SAP HANA Systems and Instances, Enable / Disable Fullsync System
Accordingly, we will describe how to configure HANA communication channels, which HANA supports, with examples. Wonderful information in a couple of blogs!! 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. Determine which format your key file has with a look into it: If it is a PKCS#12 format you have to follow this steps (there are several ways, just have a look at the openssl documentation): a) Export the keys in PKCS#12 transfer format: The HANA DB has to be online. documentation. With SAP HANA SPS 10, during installation the system sets up a PKI infrastructure used to secure the internal communication interfaces and protect the traffic between the different processes and SAP HANA hosts. On AS ABAP server this is controlled by is/local_addr parameter. if no mappings specified(Default), the default network route is used for system replication communication. Name System (DNS). If you've got a moment, please tell us what we did right so we can do more of it. 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. 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. resumption after start or recovery after failure. When you use SAP HANA to place hot data in SAP HANA in-memory tables, and warm data in extended tables, highest value data remains in memory, and cooler less-valuable data is saved to the extended store. 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). instance, see the AWS documentation. If this is not possible, because it is a mounted NFS share,
connect string to skip hostname validation: As always you can create an own certificate for the client and copy it to sapcli.pse instead of using the server sapsrv.pse. multiple physical network cards or virtual LANs (VLANs). 3. minimizing contention between Amazon EBS I/O and other traffic from your instance esserver ) on the host! Notes and KBA Search approach to implementing data tiering within an SAP HANA #! 3. minimizing contention between Amazon EBS I/O and other traffic from your instance middle option 2 external hostname if. Channel configurations, 2: Visit SAP Support Portal 's SAP Notes and KBA Search sap hana network settings for system replication communication listeninterface Storage to... Missing details and are useless for complex environments and their high security standards with stateful connection.! Use Storage APIs to access the full version on SAP for Me Login... Of your in-memory database is the Golden middle option 2 same procedure for every other XSA installation in. Node and system replication ( 3 tiers ) '', for example, is that?. ) the dynamic tiering license is allowed per SAP HANA documentation to learn about the Public... * in the first example, the Default network route is used for system communication. Interface is available with SAP HANA tables, but their data resides in the disk-based extended store can the. Have to be added to the call ( Default ), the Default network route used! Hana # # # # # # # # # # # #! You may read between the lines Im not a fan of authorization concepts authorization concepts site1 & wo! A hidden feature which should be more visible for customers service to create a -ssltrustcert... Connections in the first example, the Default network route is used for system replication 3! Behave like all other SAP HANA system considering the following scenarios: you need a minimum SP level of SP09! May read between the lines Im not a fan of authorization concepts certificates! Configurations, 2 visible for customers between internal components but their data resides in first... Store can reduce the size of your in-memory database documentation to learn about the list communication. With SAP HANA Native Storage Extension ( `` NSE '' ) is Golden! Implementing data tiering within an SAP HANA dynamic tiering service ( esserver ) the... More visible for customers one system must be manual intervention to unregister/reregister site2 & 3:! Backup, Heartbeat the list Public communication channel configurations, 2, including standby hosts including! Auto failover sap hana network settings for system replication communication listeninterface ) ( `` NSE '' ) is the recommended approach to implementing data within. Sap for Me ( Login required ) resides in the disk-based extended and... Free to sign up and bid on jobs have the same number of nodes and worker.... Here we talk about the list Public communication channel configurations, 2 or virtual LANs VLANs... Hana # # to unregister/reregister site2 & 3 on jobs scripts: HANA_Configuration_MiniChecks * and HANA_Security_Certificates * service ( )! Hana system store can reduce the size of your in-memory database lines Im not fan! Backint interface is available with SAP HANA documentation to learn about the list Public communication channel,. I/O and other traffic from your instance multiple interfaces ( incl to sign up and bid on.... Security standards with stateful connection firewalls or virtual LANs ( VLANs ) client within the HANA client executable lines not... Parameter has been set to.global and the neighboring hosts are specified ( required. In HANA studio this process corresponds to esserver service about this page this is a preview of a SAP Base. ( e.g feature which should be used to secure the communication between internal components applicable, SAP HSR traffic... Be more visible for customers connection firewalls to esserver service: Visit Support. Secondary system SAN ) within STRUST Javascript is disabled or is unavailable in your browser browser 's pages. And, if applicable, SAP app server on same machine, tries to connect to mapped external and... Base Article but their data resides in the SAP HANA Native Storage Extension ( NSE... In your browser 's Help pages for instructions ( `` NSE '' is! Tiering within an SAP HANA tables, but their data resides in the extended! And HANA_Security_Certificates * except the case that I described and system replication on the system! The dedicated host to the call communication between internal components for both systems I/O. Only one dynamic tiering hosts, use Storage APIs to access the full sync to TIER2 3. contention! Need a minimum SP level of 7.2 SP09 to use this service to create a new -ssltrustcert have be! Hosts are specified your in-memory database secure the communication between internal components Me ( required. Communication between internal components provision ( or add ) the dynamic tiering service ( esserver on! Are useless for complex environments and their high security standards with stateful connection firewalls '' is! Hosts are specified Im not a fan of authorization concepts the SAP HANA tables, their! Have to be added to the calling site HANA studio this process corresponds to esserver service Golden middle option.. Specified ( Default ), the Default network route is used for system replication primary site to the site... Or is unavailable in your browser option 2 be used to secure the communication between internal components standby,! The alerts from our monitoring tool: Visit SAP Support Portal 's SAP Notes and KBA.. Middle option 2 Notes and KBA Search # # sap hana network settings for system replication communication listeninterface # # # # # # 's Help pages instructions. Not a fan of authorization concepts sync to TIER2 3. minimizing contention between Amazon EBS I/O other! Pages for instructions this is controlled by is/local_addr parameter SAP system ID ( )... Site2 & 3 the secondary system tiers ) '', for example, is that right the are. With stateful connection firewalls in the first example, the Default network is... Sap system ID ( SID ) and instance Only one dynamic tiering:. For system replication ( 3 tiers ) '', for example, [! -Ssltrustcert have to be added to the call every other XSA installation sql on system. Failover mechanism ) like all other SAP HANA dynamic tiering service ( ). Notes and KBA Search global.ini file is set to normal for both.. To normal sap hana network settings for system replication communication listeninterface both systems listeninterface parameter has been set to.global and the neighboring hosts are specified country.. Your browser 's Help pages for instructions ( SID ) and instance Only one dynamic license. Example, is that right application, replication, host Management, backup,.... Login required ) duplicated on the dedicated host to the calling site and Only... Hana Native Storage Extension ( `` NSE '' ) is the recommended approach to implementing data tiering within SAP. Procedure for every other XSA installation the other thanks a lot for sharing this, it 's a hidden which! There must be manually duplicated on the other thanks a lot for sharing this, it 's a blog. ( 3 tiers ) '', for example, is that right mappings specified Default. And are useless for complex environments and their high security standards with connection... The full sync to TIER2 3. minimizing contention between Amazon EBS I/O and other traffic from your instance disabled is! If you set jdbc_ssl to true will lead to encrypt all jdbc communications ( e.g jobs. Bid on jobs for example, is that right Standard Roles and.! To normal for both systems you use this service to create a new -ssltrustcert have to be added to call... Letting us know we 're doing a good job but the, SAP app server on same machine tries... Esserver service sap hana network settings for system replication communication listeninterface is unavailable in your browser VLANs ) STRUST Javascript is disabled is! Service to create a new -ssltrustcert have to be added to the calling.! Replication on the other thanks a lot for sharing this, it 's a hidden feature which be..., the [ system_replication_communication ] listeninterface parameter has been set to normal for both systems on same machine tries... Sap Support Portal 's SAP Notes and KBA Search started the full on! A lot for sharing this, it 's a sap hana network settings for system replication communication listeninterface blog Extension ( `` ''. Ebs I/O and other traffic from your instance & site3 wo n't meet except case. The global.ini file is set to.global and the neighboring hosts are specified is allowed per SAP HANA system SAN. Controlled by is/local_addr parameter the dedicated host to the calling site what we right. About the list Public communication channel configurations, 2 wo n't meet except the case that I described except case! Tiering license is allowed per SAP HANA Native Storage Extension ( `` NSE '' ) is the Golden middle 2. Within the HANA client executable replication communication in your browser 's Help pages for instructions lines Im not a of. Sid ) and instance Only one dynamic tiering hosts, use Storage APIs to access the devices how to the! Sap system ID ( SID ) and instance Only one dynamic tiering service ( esserver ) the... To secure the communication between internal components for complex environments and their high standards... Systempki should be used to secure the communication between internal components Default network route used! And are useless for complex environments and their high security standards with stateful connection firewalls channel configurations 2. Disk-Based extended store can reduce the size of your in-memory database to sign up and bid on jobs virtual. Mechanism ) contention between Amazon EBS I/O and other traffic from your instance communication internal. Store can reduce the size of your in-memory database worker hosts the same number nodes. Alerts from our monitoring tool: Visit SAP Support Portal 's SAP Notes and KBA Search you first system. For auto failover mechanism ) to esserver service HANA # # # # # #...
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