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

[Jurvis LaSalle]

nexenta might be what you seek.

JL

On Jan 16, 2009, at 3:04 PM, Dean Anderson wrote:

> 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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>
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