**NOTICE** tests are not scientific. FreeBSD and Linux were not tuned from vendor-supplied source or kernel binary. Solaris uses some /etc/system tuning. Hardware used for the tests: Dell PowerEdge 1750 2x2.4GHz Xeon 2GB RAM HBAs: . QLogic 2312 . Emulex 9002L (linux only) Solaris test: Sun Enterprise 420R 4x450MHz UltraSPARC II 4GB RAM HBA: Emulex 9002L, firmware cd392a2 Storage: Apple Xserve RAID RAID Controller firmware 1.24 Management processor firmware 1.3.1 Upper controller: 6-disk RAID 0+1, 64kb stripe, 64k prefetch Disk and controller write cache enabled Lower controller: 6-disk RAID 5, 64kb stripe, 64k prefetch disk and controller write cache enabled FC interconnect: LC fiber Operating systems: Linux: 2.4.25 kernel using Debian source package FreeBSD: 5.3-RELEASE, GENERIC kernel Solaris: Solaris 8, kernel patch 117350-12 Driver versions: lpfc: Linux: 7.1.14-3, Solaris 6.01a qlogic: Linux: (latest from their site)