generic HW question about SATA

[Anne Wilson]

On Tuesday 20 February 2007, James Wilkinson wrote:
> Kevin J. Cummings wrote:
> > Yes.  Most SATA support is through a SATA device driver which either
> > needs to be built directly into your kernel, or a module pre-loaded
> > through your initrd image.  I recently added 2 SATA drives to my already
> > running PATA system.  Since I was still booting with my hda drive as my
> > boot drive, I didn't have to change anything.  I just made sure that the
> > sata_nv driver was included in my initrd, and when I booted, linux found
> > my SATA drives.
>
> Actually, you might not have needed to put sata_nv into your initrd.
>
> The SATA device driver needs to be loaded into the kernel before you
> attempt to use a SATA disk. But it only needs to be compiled in or in
> initrd if you need it to access your boot or root partitions.
>
> Once the kernel has booted and mounted the root partition, it can then
> load other modules it needs from /lib/modules (for example, when it's
> trying to mount other partitions).
>
> So if you use traditional IDE modules to get that far, you don't need
> SATA in your initrd.
>
OK - trying to get my head around this.  So I'd need to prepare the disk(s) 
using fdisk, after which kudzu would detect them and load the relevant 
module, just leaving the creation of mount points to do?  I want to use them 
for long-term storage.

Anne


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