IBM DB2 9 on AIX 5L with NFS, iSCSI, and FCP using IBM System Storage N series

An IBM Redpaper publication

Published 12 June 2007

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IBM Form #: REDP-4250-00
(14 pages)

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Authors: Alex Osuna, Nailah Bissoon, Sunil Kamath, Jawahar Lal, Augie Mena, Roger Sanders


Currently, Ethernet bandwidth is eclipsing Fibre Channel and the cost of Ethernet is becoming more affordable than Fibre Channel. One question that has arisen is how NFS and iSCSI perform in comparison to FCP. This IBM Redpaper provides a performance comparison and tuning recommendations for three different transport protocols, FCP, iSCSI, and NFS, when IBM DB2 V9 and AIX 5L 5.3 TL-04 are run on a 2-way IBM System p5 520 server using an IBM System Storage N5500. An online transaction processing (OLTP) workload was used to study the performance.

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