1. Microsoft Private Cloud Solution for SAP: Hardware, Network & SAN

Microsoft Private Cloud for SAP requires specific Hardware, Software, Network and Storage configurations.  These configurations have been tested in lab environments and piloted at customer sites.  This document details the CPU, RAM, Network and other configurations recommended to achieve consistent stable performance.  The file 1. Microsoft Private Cloud Solution for SAP: Hardware, Network & SAN.docx… Read more

How to Deploy SAP on Microsoft Private Cloud with Hyper-V 3.0

Windows Server 2012 includes powerful virtualization technologies that enable customers to improve flexibility, reduce H/W costs and improve performance. With this blog we are releasing to customers and partners detailed documentation on how to deploy and configure Windows Hyper-V as a consolidation tool for SAP.   1.        SAP on Windows Hyper-V Private Cloud Documentation Structure… Read more

Infrastructure Recommendations for SAP on SQL Server: “in-memory” Performance

In recent years the capabilities of Intel and AMD commodity servers have grown exponentially.  Processing power (SAPS) has increased and the cost of RAM has decreased dramatically. SQL Server leverages these developments in hardware technologies with features that reduce storage and memory footprint such as SQL Server PAGE compression and SQL Server Column Store to deliver… Read more

SAP OS/DB Migration to SQL Server–FAQ v5.0 May 2013

The FAQ document attached to this blog is the cumulative knowledge gained from hundreds of customers that have moved off UNIX/Oracle and DB2 to Windows and SQL Server in recent years.  Intel based servers provide all of the required Enterprise Features at a fraction of the cost of UNIX hardware.  SAP provide fast, safe and… Read more

SAP High Availability in virtualized Environments running on Windows Server 2012 Hyper-V Part 1: Overview

  This is the first publication starting a series of blogs about High Availability of SAP NetWeaver in virtualized environments running on Windows Server 2012 Hyper-V.   Part 1 gives an introduction and a brief overview (see attached document): – Introduction– Windows Server 2012 Hyper-V– Basic WS2012 Hyper-V HA Scenarios   1. Partial       : virtualizing application servers / dialog… Read more

Analyzing JDBC connection issues

Some customers do have connection issues between their SAP NetWeaver Java application server and SQL Server. Especially when they are trying to update or upgrade their SAP systems because some issues only occur if you use a more recent JVM patch level. The SUM logs contain exceptions like The driver could not establish a secure… Read more

FAQs Around Kerberos and SQL Server

Recommended Audience: Developers, DB Administrators and System Administrators Estimated Depth Level: 200 {100 easiest, 400 hardest}   This blog post is a rehashing of information that can be found in other locations on the web in regards to Kerberos and SQL Server.  In our SAP world we occasionally encounter issues related to this.  The intention here… Read more

SAP Support for SQL Server 2012 – Update

SAP supports SQL Server 2012 for most SAP NetWeaver based products for quite a while – read my earlier blog post for more information. However, SAP now also supports products which are based on SAP NetWeaver 7.1, SAP EHP1 for SAP NetWeaver 7.1 (7.11), SAP NetWeaver Composition Environment 7.1 (CE 7.10), SAP NetWeaver Composition Environment… Read more

SQL Server 2012 AlwaysOn – Part 12 – Performance Aspects and Performance Monitoring II

[Edit] You can find the summary of the complete series here. Moving to synchronous availability mode One thing we are not measuring in our tests with asynchronous availability mode is the impact of latency to transport the changes over to the secondary replicas. Looking in an earlier blog where we described the principle mechanisms of… Read more