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By: lpinne

June 4, 2024 9:28 am

499 views

How to upgrade to SAPHanaSR-angi

SAPHanaSR-angi is the SAPHanaSR Advanced Next Generation Interface. It is quite similar to the classical SAPHanaSR, but not fully backward compatible. Fortunately, you can upgrade existing clusters without HANA downtime. [caption id="attachment_128582" align="alignnone" width="300"] Picture: In-place upgrade[/caption] In this blog article you will learn how to upgrade the SUSE HA cluster […]

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By: Sanjeet Kumar Jha

March 28, 2024 9:59 am

1,816 views

SLES for SAP maintenance procedure for Scale-Out Perf-Opt HANA cluster

This blog post cover specific maintenance scenarios for scale-out performance optimized HANA cluster. It illustrates the procedures that are defined in man page SAPHanaSR_maintenance_examples which are applicable for Scale-out topology. We are going to cover the following three scenarios: HANA takeover procedures HANA maintenance (or linux OS maintenance when a reboot of the node is […]

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By: Fabian Herschel

October 20, 2022 3:14 pm

6,628 views

Emergency Braking for SAP HANA Dying Indexserver

In some cases the SAP HANA indexserver is crashing and it takes very long for the service to fail completely. This is the reason why SAP HANA delays to report this failure towards the HA cluster. Obviously in such cases it is extremely helpful to have an emergency braking. This blog article describes why the […]

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By: Sanjeet Kumar Jha

September 20, 2022 10:09 am

6,343 views

SLES for SAP OS patching procedure for Scale-Up Perf-Opt HANA cluster

This blog post cover a specific maintenance scenario where we will discuss the steps of OS patching on a scale-up performance optimized HANA cluster. This is a supplementary blog to more generic blogs on SLES for SAP maintenance available at Maintenance blog - Part 1 and Maintenance blog - Part-2. The generic prerequisites of the […]

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By: Fabian Herschel

June 21, 2022 1:43 pm

5,754 views

Optimal SAP HANA maintenance procedure using handshake takeover for SUSE clusters

This blog describes the optimal maintenance procedure using SAP HANA handshake takeover on SUSE clusters. Major Steps for a successful maintenance procedure For processing a maintenance for your SAP HANA database with system replication and controlled by the SUSE cluster we recommend always to follow these three major steps. Begin the maintenance: Set the multi-state […]

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By: Fabian Herschel

June 15, 2022 1:30 pm

4,498 views

SAP HANA Cockpit with SUSE HA integration greatly improves data integrity

The new SAPHanaSR takeover blocker improves the SUSE HA integration with SAP administration solutions like SAP HANA Cockpit. This solution closes the gap between the native SAP tools and the SUSE SAPHanaSR cluster solution. One of the most critical administration mistakes is to run a manual takeover on the secondary SAP HANA instance without taking […]

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By: lpinne

June 8, 2022 9:20 am

2,935 views

SUSE HA for SAP HANA scale-up cost-optimized improved

Starting with version 0.160.1 the SAPHanaSR package ships an HADR provider hook script for automating changes in memory limits and table preload on fail-over. This simplifies the SAP HANA scale-up cost-optimized scenario. [caption id="attachment_92256" align="alignnone" width="300"] Picture: SAP HANA scale-up cost-optimized[/caption] In this blog article you will learn what […]

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By: Sanjeet Kumar Jha

May 16, 2022 4:06 pm

9,468 views

SLES for SAP HANA Maintenance Procedures – Part -2 (Manual Administrative Tasks, OS reboots and Updation of OS and HANA)

This is the second part of the blog on maintenance procedure for SLE for SAP running SAP HANA workload. The first part of the blog is about the pre-maintenance checks. In this blog I am going to discuss about the actual maintenance procedures, the steps involved as per the best practises, cleanup procedures etc. We’[…]

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By: Sanjeet Kumar Jha

April 28, 2022 5:55 am

5,998 views

SLES for SAP HANA Maintenance Procedures – Part -1 (Pre Maintenance Checks)

This two-part blog is targeted for OS and HA administrators who has to support HANA Workloads on SLES for SAP. This is the first part of the blog  which details the pre-maintenance checks. As an admin who has to manage the SLE HA cluster infrastructure for the SAP HANA workload, you may often have come […]

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