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SAP with Microsoft SQL Server 2005: Best Practices for High Availability, Maximum Performance, and Scalability15

Architecture

Description

Servers

SAP NetWeaver Application Server Instances

1 to n commodity servers with 2 to 4 CPUs, each with 2-GB RAM per CPU core.

SQL Server 2005 Database Server / SAP Central Instance (CI) Server

2 servers, commodity or noncommodity, dual-core with up to 64 processors and up to 512-GB RAM.

Failover Clustering

Set to active-to-passive mode.

Eventually use pure SQL Server active-to-active clustering between the Productive Database Instance and Test Database Instance.

Clusters are networked storage configurations that are dependent on a shared storage infrastructure.

RAID

Per the vendor’s networked storage installation requirements.

Networked Storage

Storage Area Network

Storage Area Network or, rarely, using locally-attached storage. Storage devices must be on a multicluster device according to the HCL.

SAP BW Storage Requirements

80 to 250 disks:

1 data file / processor core

Microsoft Corporation © 2005

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