On Fri, 29 Apr 2005 at 10:14am, jkeating@xxxxxxxxxxxxxxx wrote > useful for. The '9.2' release does have significant performance > increases (firmware and driver need to be updated) but I don't think Err, really? I saw exactly the opposite. Now, this was on centos 4, but these numbers are for a software RAID0 across 2 9500-12 cards in 11 disk RAID5 mode. I'd also done 'blockdev --setra 16384' on both 3ware devices, and this is with a kernel modified to include XFS: 9.1.5.2 firmware and stock centos 4 driver (tiobench, units are MB/s): Read, 1 thread: 428.8 Read, 2 thread: 586.7 Read, 4 thread: 541.5 Read, 8 thread: 462.9 Write, 1 thread: 151.7 Write, 2 thread: 156.8 Write, 4 thread: 148.6 Write, 8 thread: 148.5 9.2 firmware and drivers: Read, 1 thread: 433.4 Read, 2 thread: 608.1 Read, 4 thread: 508.6 Read, 8 thread: 398.6 Write, 1 thread: 33.7 Write, 2 thread: 31.6 Write, 4 thread: 31.4 Write, 8 thread: 30.5 The bonnie++ results look even worse: "Old" codeset: Read: 340.6 Write: 173.5 "New" codeset: Read: 134.5 Write: 35.6 -- Joshua Baker-LePain Department of Biomedical Engineering Duke University -- fedora-devel-list mailing list fedora-devel-list@xxxxxxxxxx http://www.redhat.com/mailman/listinfo/fedora-devel-list
