On Tuesday 24 February 2004 03:30, Don Levey wrote: > On Sun, 2004-02-22 at 05:15, Dean Mumby wrote: > > I have a intel d865perl mb with hyperthreading , sata , and all the same > features , i installed fedora , redhat 9, etc with legacy mode and then > simply switched to enhanced mode and i am running fine. did you check > wether your system had enabled dma > > hdparm -tT /dev/sda > > /dev/sda: > Timing buffer-cache reads: 3568 MB in 2.00 seconds = 1784.00 MB/sec > Timing buffered disk reads: 166 MB in 3.00 seconds = 55.33 MB/sec > > not slow at all > ---------------- > > So... I've got DMA enabled, Multiple I/O, EIDE 32-bit and lookahead > enabled in my /etc/sysconfig/harddisks file. Running that hdparm line > gives me: > > /dev/hdb: > Timing buffer-cache reads: 1204 MB in 2.00 seconds = 601.49 MB/sec > Timing buffered disk reads: 96 MB in 3.00 seconds = 31.97 MB/sec > > ...clearly *not* fast. This is a Maxtor Diamond ATA 120Gb drive, > 7200rpm, on an ASUS A7V8X-X mb. I'm running FC1 with a 2.6.3 kernel > from kernel.org. Any suggestions for speeding up my I/O (or more info > to provide)? > > TIA, -Don > I have similar problem with Fedora Core 2 test1. With SiS 735 and 80G Baracuda. With 2.4.x Fedora Core 1 kernels - 51MB/sec raw transfer but with 2.6.x - 31MB/sec raw... :( /the cached transfer with 2.6 is faster/. With RedHat 9 I had 31MB/sec... anyone else... do we have to fill kernel bug report in bugzilla or? -- Regards, Doncho N. Gunchev Registered Linux User #291323 at counter.li.org GPG-Key-ID: 1024D/DA454F79 Key fingerprint = 684F 688B C508 C609 0371 5E0F A089 CB15 DA45 4F79
