Hello zfs-discuss, Server is v440, Solaris 10U2 + patches. Each test repeated at least two times and two results posted. Server connected with dual-ported FC card with MPxIO using FC-AL (DAS).
1. 3510, RAID-10 using 24 disks from two enclosures, random optimization, 32KB stripe width, write-back, one LUN 1.1 filebench/varmail for 60s a. ZFS on top of LUN, atime=off IO Summary: 490054 ops 8101.6 ops/s, (1246/1247 r/w) 39.9mb/s, 291us cpu/op, 6.1ms latency IO Summary: 492274 ops 8139.6 ops/s, (1252/1252 r/w) 40.1mb/s, 303us cpu/op, 6.1ms latency b. ZFS on top of LUN, atime=off WRITE CACHE OFF (write-thru) IO Summary: 281048 ops 4647.0 ops/s, (715/715 r/w) 22.8mb/s, 298us cpu/op, 10.7ms latency IO Summary: 282200 ops 4665.3 ops/s, (718/718 r/w) 23.0mb/s, 298us cpu/op, 10.6ms latency c. UFS on top of LUN, noatime, maxcontig set to 48 IO Summary: 383262 ops 6337.1 ops/s, (975/975 r/w) 31.2mb/s, 566us cpu/op, 7.9ms latency IO Summary: 381706 ops 6310.4 ops/s, (971/971 r/w) 31.1mb/s, 560us cpu/op, 7.9ms latency d. UFS on top of LUN, noatime, maxcontig set to 48, WRITE CACHE OFF (write-thru) IO Summary: 148825 ops 2460.0 ops/s, (378/379 r/w) 12.1mb/s, 772us cpu/op, 20.9ms latency IO Summary: 151152 ops 2498.4 ops/s, (384/385 r/w) 12.4mb/s, 758us cpu/op, 20.5ms latency 2. 3510, 2x (4x RAID-0(3disks)), 32KB stripe width, random optimization, write back. 4 R0 groups are in one enclosure and assigned to primary controller then another 4 R0 groups are in other enclosure and assigned to secondary controller. Then RAID-10 is created with mirror groups between controllers. 24x disks total as in #1. 2.1 filebench/varmail 60s a. ZFS RAID-10, atime=off IO Summary: 379284 ops 6273.4 ops/s, (965/965 r/w) 30.9mb/s, 314us cpu/op, 8.0ms latency IO Summary: 383917 ops 6346.9 ops/s, (976/977 r/w) 31.4mb/s, 316us cpu/op, 7.8ms latency b. ZFS RAID-10, atime=off WRITE CACHE OFF (write-thru) IO Summary: 275490 ops 4549.9 ops/s, (700/700 r/w) 22.3mb/s, 327us cpu/op, 11.0ms latency IO Summary: 276027 ops 4567.8 ops/s, (703/703 r/w) 22.5mb/s, 319us cpu/op, 11.0ms latency -- Best regards, Robert mailto:[EMAIL PROTECTED] http://milek.blogspot.com _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss