Messages in this thread | | | Date | Mon, 27 Oct 2003 07:56:31 -0800 | From | Shaun Savage <> | Subject | Re: kernel 2.6t9 SATA slower than 2.4.20 |
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>Are you using CONFIG_SCSI_SATA in 2.6?
No, but I am trying now. GREAT is works, but the disk went from hda back to hde
> Jeff
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>I bet it's the "beat to death in lkml" issue with readahead.
>What's the output of cat /proc/ide/hdX?
it hda see attached file "proc_ide_hda"
now the disk is hde again, do you want another proc files file?
>Regards, >Nuno Silva
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>What happens with you really test? ie. using programs (bonnie, iozone etc) >to test disk speed? Is it still slower? I think that hdparm does not >tell the complete >story.
No I have not but I will. But I assume that from 55M to 15M something is not configured correct.
>Ed Tomlinson
--------------------------------------------------------------------- > I have just compiled and installed kernel 2.6t9 on my RH9 / Asus A7N8X Deluxe. I find the disk access is slower using the 2.6 kernel than the 2.4.20 kernel. > > To get it to work for 2.4.20 kernel I have to use > # hdparm -d1 -X88 /dev/hde > then the buffered disk read goes from 1.5M to 55M > > On the 2.6 kernel the buffered disk read is only 16M > > What do I have to do to increase the disk speed for kernel 2.6t9? >
I
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