[BBLISA] Why do Linux rescue CDs make SATA disks look like SCSI ?

[Dean Anderson]

Hi folks,

It happens with IDE disks under sparc linux in rescue mode. I agree, its
annoying.  I think the Linux kernel seems to be going in the wrong
direction...

I keep hoping OSF/1 will get opensourced like Motif and DCE. I actually
just spoke with TOG about it--said they'd ask the lawyers, so keep
fingers crossed.  But I'd probably also jump at a distribution with GNU
commands and libs based on OpenSolaris kernel, but the CDDL doesn't
quite allow repackaging...sigh.

		--Dean

On Wed, 14 Jan 2009, Brian McAllister wrote:

> 
> >>> On 1/14/2009 at 19:22:53 EST, Brian O'Neill wrote:
> 
>   > I believe it has been a general push in the latest kernels to totally
>   > abstract the disk controllers as scsi devices. Although there is some
>   > backwards compatibility for purposes of upgrades, new installations
>   > favor the SCSI emulation. Since the Live CDs are generally the latest
>   > kernel and "start fresh" like a new installation, they use this as
>   > well.
> 
> It seems to be specific to SATA.  When I boot the RHEL4 CD on a system with
> regular ATA disks, they appear as hdX.
> 
> It seems foolish for rescue mode, as there are features of ATA that cannot
> be used through SCSI (such as SMART) that are useful in working with broken
> systems.
> 
> ----
> Brian McAllister                                   Senior Software Engineer
> mcallister at mit.edu                      Bates Research & Engineering Center
> (617) 253-9537                                                Middleton, MA
> 
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