Re: Innovision EIO DM-8301H/R SATA cards...

[Justin Cormack]

On Fri, 2003-08-08 at 15:29, Jeff Garzik wrote:
> Mark Watts wrote:
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> > 
> > 
> >>Mark Watts wrote:
> >>
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> >>>My local supplier has started doing some SATA cards....
> >>>
> >>>http://www.ivmm.com/eio/products_sata_pci_host.html
> >>>
> >>>
> >>>The chip on the board i the screenshot looks vaguely like a Silicon Image
> >>>chip - - am I correct in thinking that these are supported in linux?
> >>
> >>If they are Silicon Image, yes, they are supported.
> > 
> > 
> > Great stuff - can someone confirm whether I still need to do the folloing for 
> > the latest 2.4.22 kernels in order to get good performance?
> > 
> > # hdparm -d1 -X66 /dev/hdX
> > # echo "max_kb_per_request:15" > /proc/.ide/hdX/settings
> 
> 
> I have no idea :(   I'm off in libata land, which will soon support 
> Silicon Image SATA as well...

the answer is yes - there hasnt been an update to the driver. Andre
Hedrick says he has fixed it a month or so ago but has not released it
yet.

btw echo "max_kb_per_request:15" > /proc/.ide/hdX/settings is not for
good performance (it may halve your performance on some drives) it is a
bug workaround.

Look forward to testing libata on Silicon Image.

Justin


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