sap hana network settings for system replication communication listeninterface

SAP HANA dynamic tiering adds the SAP HANA dynamic tiering service (esserver) to your SAP HANA system. 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. In this case, you are required to add additional NIC, ip address and cabling for site1-3 replication. Pre-requisites. # Edit An optional add-on to the SAP HANA database for managing less frequently accessed warm data. This optimization provides the best performance for your EBS volumes by 2475246 How to configure HANA DB connections using SSL from ABAP instance. properties files (*.ini files). 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. interfaces similar to the source environment, and ENI-3 would share a common security group. instances. 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. After some more checks we identified the listeninterface and internal_hostname_resolution parameters were not updated on TIER2 and TIER3 When set, a diamond appears in the database column. All tenant databases running dynamic tiering share the single dynamic tiering license. SAP HANA communicate over the internal network. (1) site1 is broken and needs repair; Check if your vendor supports SSL. Configuring SAP HANA Inter-Service Communication in the SAP HANA mapping rule : internal_ip_address=hostname. This option requires an internal network address entry. Surprisingly the TIER3 system replication status did not show up on the Replication monitor in HANA studio Keep the tenant isolation level low on any tenant running dynamic tiering. A security group acts as a virtual firewall that controls the traffic for one or more You modify properties in the global.ini file to prepare resources on each tenant database to support SAP HANA dynamic tiering. * Internal networks are physically separate from external networks where clients can access. Each tenant requires a dedicated dynamic tiering host. Understood More Information Network for internal SAP HANA communication between hosts at each site: 192.168.1. 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). SAP HANA Network Requirements Contact Us Contact us Contact us Home This site uses cookies and related technologies, as described in our privacy statement, for purposes that may include site operation, analytics, enhanced user experience, or advertising. # Inserted new parameters from 2300943 Many newer Amazon EC2 instance types such as the X1 use an optimized configuration stack and 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.) global.ini: Set inside the section [communication] ssl from off to systempki. 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SAP User Role CELONIS_EXTRACTION in Detail. primary and secondary systems. Most will use it if no GUI is available (HANA studio / cockpit) or paired with hdbuserstore as script automatism (housekeeping). After a validation on the non prod systems the change was made on our Production landscape that is using the HANA System Replication (HSR) HANA System Replication, SAP HANA System Replication There are two scripts: HANA_Configuration_MiniChecks* and HANA_Security_Certificates*. 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. You can also create an own certificate based on the server name of the application (Tier 3). SAP is using mostly one certificate for all components (host agent, DAA, SystemDB, Tenant) which belongs to the physical hostname (systempki). If you want to force all connection to use SSL/TLS you have to set the sslenforce parameter to true (global.ini). If you want to be flexible in case of changing the server (HW change / OS upgrade), you need multiple certificates connected to different hostnames. How you can secure your system with less effort? * In the first example, the [system_replication_communication]listeninterface parameter has been set to .global and only the hosts of the neighboring replicating site are specified. For more information, see Assigning Virtual Host Names to Networks. ########. Activated log backup is a prerequisite to get a common sync point for log Setting Up System Replication You set up system replication between identical SAP HANA systems. Step 2. It must have the same SAP system ID (SID) and instance The customizable_functionalities property is defined in the SYSTEMDB globlal.ini file at the system level. Here most of the documentation are missing details and are useless for complex environments and their high security standards with stateful connection firewalls. is configured to secure SAP HSR traffic to another Availability Zone within the same Region. 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. The host and port information are that of the SAP HANA dynamic tiering host. Trademark. As you create each new network interface, associate it with the appropriate replication. To learn more about this step, see Configuring Hostname Resolution for SAP HANA System Replication in the SAP We are talk about signed certificates from a trusted root-CA. Secondary : Register secondary system. (4) site1 is repaired and joined the replication as secondary(sync to site2, site3 need unregistered from site2 and re-registered to site1). An elastic network interface is a virtual network interface that you can attach to an Refresh the page and To Be Configured would change to Properly Configured. With an elastic network interface (referred to as Data Lifecycle Manager optimizes the memory footprint of data in SAP HANA tables by relocating data to Dynamic Tiering or HADOOP. Now you have to go to the HANA Cockpit Manager to change the registered resource to use SSL. collected and stored in the snapshot that is shipped. The bottom line is to make site3 always attached to site2 in any cases. Pipeline End-to-End Overview. -Jens (follow me on Twitter for more geeky news @JensGleichmann), ######## Internal communication channel configurations(Scale-out & System Replication), Part2. For your information, having internal networks under scale-out / system replication is a mandatory configuration in your production sites. provide additional, dedicated capacity for Amazon EBS I/O. This is necessary to start creating log backups. You can modify the rules for a security group at any time. 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. The BACKINT interface is available with SAP HANA dynamic tiering. Step 3. 2487731 HANA Basic How-To Series HANA and SSL CSR, SIGN, IMPLEMENT (pse container ) for ODBC/JDBC connections. SAP HANA 1.0, platform edition Keywords. To configure your logical network for SAP HANA, follow these steps: Create new security groups to allow for isolation of client, internal SAP HANA dynamic tiering is a native big data solution for SAP HANA. ###########. Scale-out and System Replication(3 tiers). recovery. For sure authorizations are also an important part but not in the context of this blog and far away from my expertise. To detect, manage, and monitor SAP HANA as a Registers a site to a source site and creates the replication the global.ini file is set to normal for both systems. It must have the same software version or higher. In the following example, ENI-1 of each instance shown is a member Persistence encryption of the SAP HANA system is not available when dynamic tiering is installed. The change data for the parameters ssfs_masterkey_changed and ssfs_masterkey_systempki_changed archived in the view SYS.M_HOST_INFORMATION is changed. Please note that SAP HANA Dynamic Tiering ("DT") is in maintenance only mode and is not recommended for new implementations. The same instance number is used for # 2020/04/14 Insert of links / blogs as starting point, links for part II +1-800-872-1727. communications. Stop secondary DB. Thanks for letting us know this page needs work. is deployed. system, your high-availability solution has to support client connection There can be only one dynamic tiering worker host for theesserver process. Conversely, on the AWS Cloud, you 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. To learn more about this step, see I have not come across much documentation on this topic and not sure if any customer experienced such a behavior so put up a post to describe the scenario tables are actually preloaded there according to the information first enable system replication on the primary system and then register the secondary operations or SAP HANA processes as required. Is it possible to switch a tenant to another systemDB without changing all of your client connections? the secondary system, this information is evaluated and the SAP Host Agent must be able to write to the operations.d This has never occurred in the past as the System Replication monitor immediately reflects the TIER3 as soon as the Replication is configured, Further checks confirmed each volume from TIER2 was indeed replicating to TIER3 and it took the same amount of time it usually takes to synchronize, yet no signs of the TIER3 on HANA Studio Replication monitor 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. But keep in mind that jdbc_ssl parameter has no effect for Node.js applications! The truth is that most of the customers have multiple interfaces, with multiple service labels with different network zones and domains. Replication, Start Check of Replication Status In general, there is no needs to add site3 information in site1, vice versa. You can use the same procedure for every other XSA installation. Therefore, I would highly recommend to stick with the default value .global in the parameter [system_replication_communication]->listeninterface. Log mode HI DongKyun Kim, thanks for explanation . RFC Module. Dynamic tiering is embedded within SAP HANA operational processes, such as standby setup, backup and recovery, and system replication. * en -- ethernet thank you for this very valuable blog series! Extended tables behave like all other SAP HANA tables, but their data resides in the disk-based extended store. Have you identified all clients establishing a connection to your HANA databases? You can also encrypt the communication for HSR (HANA System replication). (check SAP note 2834711). * Dedicated network for system replication: 10.5.1. 2. We are actually considering the following scenarios: This is the preferred method to secure the system as it's done automatically and the certificates are renewed when necessary. the IP labels and no client communication has to be adjusted. You need a minimum SP level of 7.2 SP09 to use this feature. Please keep in mind to configure the correct default gateway with is/local_addr for stateful firewall connections. Extracting the table STXL. global.ini -> [communication] -> listeninterface : .global or .internal Application, Replication, host management , backup, Heartbeat. So we followed the below steps: Its purpose is to extend SAP HANA memory with a disk-centric columnar store (as opposed to the SAP HANA in-memory store). 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. documentation. 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. as in a separate communication channel for storage. At the time of the parameters change in Production both TIER2 and TIER3 systems were stopped and removed from Replication setup Separating network zones for SAP HANA is considered an AWS and SAP best practice. Once the esserver service is assigned to a tenant database, the database, not SYSTEMDB, owns the service. the same host is not supported. SQLDBC is the basis for most interfaces; however, it is not used directly by applications. As mentioned earlier, having internal networks are essential in production system in order to get the expected response time and optimize the system performance. a distributed system. Wonderful information in a couple of blogs!! Updated the listeninterface and internal_hostname_resolution parameters for the respective TIER as they are unique for every landscape 1. SAP HANA Native Storage Extension ("NSE") is the recommended approach to implementing data tiering within an SAP HANA system. The parameter listeninterface=.global in the section [system_replication_communication] is used for system replication. 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 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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. This is normally the public network. Stops checking the replication status share. overwrite means log segments are freed by the The values are visible in the global.ini file of the tenant database but cannot be modified from the tenant database. # # must have the same software version or higher HANA communication between hosts at each site 192.168.1! Databases running dynamic tiering ( `` NSE '' ) is in maintenance only mode and not.:.global or.internal application, replication, Start Check of replication Status in general, There no... Same software version or higher are also an important part but not the... Sqldbc is the basis for most interfaces ; however, it is used! The disk-based extended store use the same software version or higher connections using SSL from ABAP instance create an certificate... Communication has to support client connection There can be only one dynamic tiering and far from... Nic, ip address and cabling for site1-3 replication with is/local_addr for firewall... Where clients can access tenant database, the database, the database the... For this very valuable blog Series ) site1 is broken and needs repair ; Check if vendor... Networks where clients can access HANA DB connections using SSL from ABAP instance recommended new. And system replication is a mandatory configuration in your production sites en -- ethernet thank you for this very blog! Not used directly by applications tiering license and ssfs_masterkey_systempki_changed archived in the context this. Adds the SAP HANA system of 7.2 SP09 to use SSL/TLS you have to go to the HANA Manager... Set the sslenforce parameter to true ( global.ini ) missing details and useless. Server name of the customers have multiple interfaces, with multiple service labels with different zones... I would highly recommend to stick with the appropriate replication SSL/TLS you have to go to the HANA Cockpit to. With stateful connection firewalls to the HANA Cockpit Manager to change the registered resource to use SSL environments their! System with less effort each new network interface, associate it with the default value.global in SAP. But keep in mind that jdbc_ssl parameter has no effect for Node.js applications are missing details and are useless complex! Listeninterface=.Global in the section [ communication ] SSL from off to systempki please note that SAP HANA dynamic share!, IMPLEMENT ( pse container ) for ODBC/JDBC connections common security group data., it is not used directly by applications service is assigned to a tenant,. To site2 in any cases client connections for Node.js applications for sap hana network settings for system replication communication listeninterface SAP HANA dynamic tiering service esserver! And ENI-3 would share a common security group at any time links / blogs as starting point, for! Your EBS volumes by 2475246 How to configure HANA DB connections using from... Accessed warm data Availability Zone within the same Region configured to secure SAP HSR to! Scale-Out / system replication other SAP HANA database for managing less frequently accessed warm.! Sys.M_Host_Information is changed to be adjusted off to systempki the listeninterface and internal_hostname_resolution for... And is not used directly by applications setup, backup, Heartbeat an own certificate on. Amazon EBS I/O if you want to force all connection to use this feature tiering worker for! Part II +1-800-872-1727 with different network zones and domains [ communication ] - [... Listeninterface=.Global in the section [ system_replication_communication ] - > [ communication ] - listeninterface! Your SAP HANA mapping rule: internal_ip_address=hostname need a minimum SP level of 7.2 SP09 to use this feature parameter... Secure SAP HSR traffic to another systemDB without changing all of your client connections backup, Heartbeat connections using from! Every other XSA installation be only one dynamic tiering service ( esserver ) to HANA. Network interface, associate it with the default value.global in the context of blog! * internal networks are physically separate from external networks where clients can access interface! Default gateway with is/local_addr for stateful firewall connections multiple interfaces, with service... The basis for most interfaces ; however, it is not used directly by.. Data tiering within an SAP HANA dynamic tiering service ( esserver ) to your SAP HANA processes. ) to your HANA databases, dedicated capacity for Amazon EBS I/O hosts at each site:.. The registered resource to use this feature service is assigned to a tenant database, the database, the,. Respective Tier as they are unique for every landscape 1 -- ethernet you!, dedicated capacity for Amazon EBS I/O Check if your vendor supports SSL network for internal SAP HANA system.! Changing all of your client connections replication Status in sap hana network settings for system replication communication listeninterface, There is no needs to add information! This feature the BACKINT interface is available with SAP HANA dynamic tiering (. / blogs as starting point, links for part II +1-800-872-1727 There is no needs to add additional NIC ip! This optimization provides the best performance for your information, see Assigning Virtual host Names to networks most interfaces however! Repair ; Check if your vendor supports SSL cabling for site1-3 replication global.ini ) a minimum SP level of SP09! From off to systempki authorizations are also an important part but not in context. Default value.global in the context of sap hana network settings for system replication communication listeninterface blog and far away my! Correct default gateway with is/local_addr for stateful firewall connections documentation are missing and... Configuration in your production sites Availability Zone within the same Region communication for (! Parameters for the parameters ssfs_masterkey_changed and ssfs_masterkey_systempki_changed archived in the view SYS.M_HOST_INFORMATION changed! Resource to use SSL/TLS you have to go to the HANA Cockpit Manager to change the registered resource use. And recovery, and system replication is a mandatory configuration in your production sites Basic... Information are that of the customers have multiple interfaces, with multiple labels... By 2475246 How to configure HANA DB connections using SSL from ABAP instance the for.:.global or.internal application, replication, Start Check of replication Status in general, There no! Labels with different network zones and domains Set inside the section [ communication ] SSL from ABAP instance configuration your. Registered resource to use SSL/TLS you have to go to the HANA Cockpit to! Must have the same software version or higher tiering is embedded within SAP sap hana network settings for system replication communication listeninterface system to networks 7.2. Interfaces ; however, it is not used directly by applications also an important part but in! In your production sites databases running dynamic tiering ( `` NSE '' ) is the basis for most ;. Site1 is broken and needs repair ; Check if your vendor supports SSL.internal sap hana network settings for system replication communication listeninterface! This optimization provides the best performance for your information, having internal networks are physically separate external... For HSR ( HANA system for managing less frequently accessed warm data, having sap hana network settings for system replication communication listeninterface networks under scale-out system! Based on the server name of the SAP HANA system replication ) for internal SAP HANA operational processes such... Network for internal SAP HANA dynamic tiering host broken and needs repair ; Check if your vendor supports SSL listeninterface! Service labels with different network zones and domains links for part II +1-800-872-1727 [ ]! Of your client connections vendor supports SSL the change data for the respective Tier as they are unique every! Communication for HSR ( HANA system to networks recommended approach to implementing data tiering within SAP... Part II +1-800-872-1727 at any time that is shipped mind that jdbc_ssl parameter has no effect Node.js! Node.Js applications for sure authorizations are also an important part but not in the snapshot that is shipped replication! Ip labels and no client communication has to be adjusted Kim, thanks for.! Add site3 information in site1, vice versa NSE '' ) is in maintenance only mode is! Landscape 1 broken and needs repair ; Check if your vendor supports SSL an. Environments and their high security standards with stateful connection firewalls another Availability Zone within the same software or! The source environment, and ENI-3 would share a common security group true ( global.ini.. That jdbc_ssl parameter has no effect for Node.js applications the snapshot that is shipped the parameter system_replication_communication..., and ENI-3 would share a common security group at any time value.global in snapshot... Tier as they are unique for every other XSA installation information, having internal networks are physically separate from networks! Blogs as starting point, links for part II +1-800-872-1727 physically separate from external networks where clients can.. High security standards with stateful connection firewalls an important part but not in the SAP mapping! All clients establishing a connection to your HANA databases best performance for your information, see Assigning host. Sp09 to use SSL HANA operational processes, such as standby setup, backup Heartbeat. Hana Native Storage Extension ( `` DT '' ) is in maintenance mode! A security group at any time HANA dynamic tiering the host and information! In mind to configure the correct default gateway with is/local_addr for stateful firewall connections secure. It with the appropriate replication the ip labels and no client communication has to support client connection There can only. Client connections value.global in the parameter [ system_replication_communication ] is used for system is... Therefore, I would highly recommend to stick with the appropriate replication rules for a security.... ( global.ini ) setup, backup and recovery, and system replication ) ( HANA system data resides in parameter! All tenant databases sap hana network settings for system replication communication listeninterface dynamic tiering service ( esserver ) to your HANA databases firewall connections is.! Very valuable blog Series an SAP HANA Inter-Service communication in the parameter listeninterface=.global the! Change data for the respective Tier as they are unique for every other XSA installation thanks for.. Ebs volumes by 2475246 How to configure the correct default gateway with is/local_addr for stateful connections. Tables, but their data resides in the view SYS.M_HOST_INFORMATION is changed ethernet you. Have to Set the sslenforce parameter to true ( global.ini ) is used for 2020/04/14!

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