Re: can't access LUN >2TB with aic7xxx, Infortrend EonStor and 2.6.31-rc1

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On Mon, Jun 29, 2009 at 07:46:03AM -0600, Matthew Wilcox wrote:
> > 
> > It's possible the aic7xxx hardware does support 16 byte commands.  If so,
> > this is an easy fix.  If it doesn't, you could try replacing the card
> > with one that does (for example, the LSI 8xx and 10xx cards all support
> > 16 byte commands).
> 
> The aic79xx is a little more tricky ... it seems it has different cases to
> support 12, 16 and >16 byte CDBs, but it's not clear that the >16 byte CDB case is implemented.  Let's be conservative for now and bump it up to 16 bytes instead of 32.
> 
> 
> diff --git a/drivers/scsi/aic7xxx/aic79xx_osm.c b/drivers/scsi/aic7xxx/aic79xx_osm.c
> index 75b2331..3853f33 100644
> --- a/drivers/scsi/aic7xxx/aic79xx_osm.c
> +++ b/drivers/scsi/aic7xxx/aic79xx_osm.c


  Thanks for the patch, I will rebuild driver and test tomorrow.


-- 
Tomasz Torcz                "Funeral in the morning, IDE hacking
xmpp: zdzichubg@xxxxxxxxx    in the afternoon and evening." - Alan Cox

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