On Tuesday 07 August 2007 12:03:28 Rafał Bilski wrote: > >> Just tested (plain curiosity). > >> via82cxxx average result @533MHz: > >> /dev/hda: > >> Timing cached reads: 232 MB in 2.00 seconds = 115.93 MB/sec > >> Timing buffered disk reads: 64 MB in 3.12 seconds = 20.54 MB/sec > >> pata_via average result @533MHz: > >> /dev/sda: > >> Timing cached reads: 234 MB in 2.01 seconds = 116.27 MB/sec > >> Timing buffered disk reads: 82 MB in 3.05 seconds = 26.92 MB/sec > > > > Interesting! I haven't tried libata myself on that system, I only have > > remote access to it so I'm a bit afraid... > > Just change root=/dev/hda1 to append="root=/dev/sda1" in lilo.conf. > And change fstab. If You don't change "/" then system will go into single > user mode after reboot. > > > Rafal, I hope that system you run hdparm on isn't the archlinux one! Is > > it easy to load an old kernel (even two years old) and do the same test? > > If it is, please let me know of the results. > > I don't think it is possible. If I remember right kernel can't be older > then glibc kernel headers. > Btw. My disk is 20GB 2,5" ATA33. I wonder how 26MB/s is possible. I don't > expect more.
Aha! So perhaps libata gives even greater performance benefit for better drives. I'll try to get local access to my PC and try it. Thanks. Dimitris - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
