Hello Roch, Thursday, August 24, 2006, 3:37:34 PM, you wrote:
R> So this is the interesting data , right ? R> 1. 3510, RAID-10 using 24 disks from two enclosures, random R> optimization, 32KB stripe width, write-back, one LUN R> 1.1 filebench/varmail for 60s R> a. ZFS on top of LUN, atime=off R> IO Summary: 490054 ops 8101.6 ops/s, (1246/1247 r/w) R> 39.9mb/s, 291us cpu/op, 6.1ms latency R> 2. 3510, 2x (4x RAID-0(3disks)), 32KB stripe width, R> random optimization, write back. 4 R0 groups are in one enclosure R> and assigned to primary controller then another 4 R0 groups are in other enclosure R> and assigned to secondary controller. Then RAID-10 is created with R> mirror groups between controllers. 24x disks total as in #1. R> 2.1 filebench/varmail 60s R> a. ZFS RAID-10, atime=off R> IO Summary: 379284 ops 6273.4 ops/s, (965/965 r/w) R> 30.9mb/s, 314us cpu/op, 8.0ms latency R> Have you tried 1M stripes spacially in case 2 ? R> -r I did try with 128KB and 256KB stripe width - the same results (difference less than 5%). I haven't tested 1MB 'coz maximum for 3510 is 256KB. -- 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
