SAP with Microsoft SQL Server 2005: Best Practices for High Availability, Maximum Performance, and Scalability13
SAP NetWeaver Application Server Instances
4 to n two-processor 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.
Set to active-to-passive mode, running SAP CI on the second node.
Eventually, use pure SQL Server active-to-active clustering between Productive Database Instance and Test Database Instance.
Clusters are networked storage configurations that are dependent on a shared storage infrastructure.
Per the vendor’s networked storage installation requirements.
Storage Area Network
Storage Area Network or, rarely, using locally-attached storage. Storage devices must be on a multicluster device according to the HCL.
mySAP Storage Requirements
100 to 250 disks:
1 data file / processor core
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