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SAP with Microsoft SQL Server 2005: Best Practices for High Availability, Maximum Performance, and Scalability11

Architecture

Description

Servers

SAP NetWeaver Application Server Instances

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

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

2 commodity servers, each having 2 to 4 processors, each with 8-GB RAM. 2-GB RAM is assigned to support SQL Server 2005.

Failover Clustering

Set to active-to-passive mode, running SAP CI on the second node.

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

RAID

RAID 1, 0+1, 1+0

Networked Storage

Storage Area Network

Storage Area Network, NAS, or locally-attached storage. Storage devices can use a multicluster device, according to the Windows Hardware Compatibility List (HCL).

mySAP Storage Requirements

For data files (assuming RAID 1 or similar):

4 partitions for each disk with 14 disks minimum

For transaction log (assuming RAID 1 or similar):

1 partition for each disk with 10 disks minimum

For tempdb and log (assuming RAID 1 or similar):

1 partition for each disk with 10 disks minimum

Microsoft Corporation © 2005

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