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Microsoft’s SAP ERP (R/3) System (cont)

Lessons Learned of running 4.5TB able of 20,000 IOPs with inexpensive EMC Clarion SAN storage backend:

LUNs are located in same manner on every disk

Disk access speed different between inner tracks and outer tracks

Hence every MetaLUN should use LUNs from all locations of disks in providing reliable and even performance

DBA-416M• ISV configurations & implementations – Lessons Learned

LUN 1.0

LUN 1.1

LUN 1.2

LUN 1.3

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