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Red Hat Enterprise Linux (RHEL) 8 is the intelligent OS designed to provide a solid foundation that spans the hybrid cloud and also powers the business critical workloads of today. To continue on the certification train, and building on the successful launch of RHEL 8, we are pleased to announce the production support for running SAP HANA 2.0 on RHEL 8.1 for SAP Solutions. 

As environments grow across hybrid-cloud environments, analytical solutions are needed to stay ahead of critical security, compliance and configuration tasks. With Red Hat Insights, included in every RHEL subscription, customers can benefit from years of Red Hat expertise that is delivered when and where needed through this SaaS service. 

By using Insights, you will be able to proactively identify and can help remediate security, compliance, performance, availability, and stability issues before they result in unplanned downtime and other interruptions in mission critical environments.

Red Hat Insights has gone beyond the operating system, offering recommendations tailored for important third-party critical workloads that run on Red Hat Enterprise Linux. Specifically, we have added several Red Hat Insight recommendations for SAP applications that can alert you of system configurations that are not up to the specifications recommended by either Red Hat or SAP. 

We want the applications that you entrust to Red Hat Enterprise Linux to be more effective and efficient. Red Hat Insights can help you accomplish that goal. Here are some examples of rules offered by Insights today.

Rule

Description

Reference

SAP application incompatibility with installed RHEL Version

SAP applications will encounter compatibility errors when not running on RHEL for SAP Applications.

Overview of Red Hat Enterprise Linux for SAP Applications subscription

Decreased SAP application performance when file handler limits do not meet SAP requirements

Current file handle limits do not meet the application requirements as defined by SAP. This results in decreased SAP application performance.

Red Hat Enterprise Linux 7.x: Installation and Upgrade - SAP Note 2002167

Time discrepancy in SAP applications when not running ntp on SAP servers

SAP strongly recommends running an ntp service on systems running SAP

Red Hat Enterprise Linux 7.x: Installation and Upgrade - SAP Note 2002167 

Database inconsistencies when UUID daemon (uuidd)  not running with SAP applications

SAP applications require uuidd to be installed and running in order to prevent UUIDs from being reused in the application. When uuidd is not running, database inconsistencies can occur.

Linux UUID solutions - SAP Note 1391070

SAP applications will not work correctly when /etc/hosts is set incorrectly

Incorrect settings in /etc/hosts will affect operation of SAP applications

SAP Notes 2772999, 2002167, and 149610

Decreased application performance when using incorrect tuned profile

Enable the correct tuned profile to optimize hosts for SAP applications

Overview of Red Hat Enterprise Linux for SAP Applications subscription 

Decreased SAP application performance when file handler limits do not meet SAP requirements

Current file handle limits do not meet the application requirements as defined by SAP. This results in decreased SAP application performance.

Red Hat Enterprise Linux 7.x: Installation and Upgrade - SAP Note 2002167

Decreased SAP application performance when using incorrect kernel parameters

SAP application performance decreases when incompatible kernel parameters are used.

SAP Notes 1496410, 2002167, and 2777782

SAP HANA performance degradation with  automatic NUMA balancing 

The performance of SAP HANA decreases when automatic NUMA balancing is enabled

SAP Note 2292690

Performance of SAP HANA instances on baremetal degrades with KSM enabled

The KSM does not pay off for SAP HANA instances not running in VMs.

SAP Note (2777782, 2292690)

 

In most cases, Red Hat Insights provides administrators with Ansible playbooks to quickly and efficiently correct these issues. You can use these playbooks to resolve risks right from within Insights using Red Hat Smart Management which is also included in the RHEL for SAP Solutions subscription, and contains both Red Hat Satellite and the new Cloud Connector capability.  At your option, you can also download playbooks and run them through Red Hat Ansible Automation Platform. 

We continue to work together with SAP to enhance the overall experience for SAP solutions on the RHEL platform. If you’re attending Red Hat Virtual Summit this month, please join our Red Hat virtual summit session called  “Red Hat Enterprise Linux for SAP Solutions - Roadmap and Features” to learn more about the latest and greatest technology for running SAP solutions on RHEL.


Sobre los autores

Don Pinto is a Technical Product Marketing Manager at Red Hat focused on helping customers understand why Red Hat Enterprise Linux is an ideal operating system platform for modern application workloads. Pinto is passionate about data management and operating systems, having authored several technical blogs and white papers on various tech topics. Pinto holds a Masters degree in Computer Science and a Bachelor's degree in Computer Engineering from the University of Toronto, Canada.

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Arne Arnold is an offering Product Manager for Red Hat's solutions targeting SAP. He focuses on Red Hat Enterprise Linux (RHEL) for SAP Solutions, SAP certifications, and product roadmaps for Red Hat Virtualization, Automation and High Availability solutions. He also works on Red Hat OpenShift Container Platform in context of SAP workloads.

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