Re: kernel 2.6t9 SATA slower than 2.4.20

[Shaun Savage]

>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

===================================================================

>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

--------------------------------------------------------------------

>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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