Re: [gentoo-user] Incredibly slow disk access

[William Kenworthy]

If you have sata drives, and they are showing up as hdx, you have
something seriously misconfigured.  They should be showing as sdx.

Deselect everything in ATA/ATAPI/MFM/RLL and select the relevant boxes
in serial ATA.  Dont forget fstab will need redoing to match.

I always thought that if you select both, serial ata should take
precedence, and in some cases you can access via both, but I have at
least one machine that will only work as sata with all the older ata
stuff deselected.

BillK


On Tue, 2008-01-08 at 09:47 +0200, Wayn0 wrote:
> Renat Golubchyk wrote:
> > On Mon, 7 Jan 2008 20:51:02 -0500 "Mark Shields" <laebshade@×××××.com>
> > wrote:
> >> I'd also recommending after checking for the above, also check what
> >> level of UDMA is set.  Try this:  hdparm -I /dev/hda | grep -i dma
> >>
> >> Yours should say probably either udma3 or udma4.
> >
> > Why not udma5 ? All my PATA drives (desktop and notebook) run at udma5
> > for some years now without any problems.
>
> Thanks to everybody that's replied so far.
>
> I may have missed something kernel wise but my sata drives are
> registering as hd* and it refuses to switch on dma.
>
> I have no doubt this is a kernel config, just not sure where to look.
> I don't have the laptop with me at the moment so I will post the kernel
> config this evening.
>
> or perhaps somebody knows right off the bat what the problem is and what
> I need to enable and disable.
>
> I am using the latest gentoo-sources 2.6.23-r8 if memory serves.
>
>
> Thanks again
>
> Wayn0
>
-- 
William Kenworthy <billk@×××××××××.au>
Home in Perth!
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