Re: RFC: disk geometry via sysfs

[Seewer Philippe]

Alan Cox wrote:
> On Mer, 2006-02-15 at 11:20 -0500, Phillip Susi wrote:
> 
>>Why do you say the partitioning tool needs to know the disk reported 
>>C/H/S?  The value stored in the MBR must match the bios reported values, 
>>not the disk reported ones, so why does the partitioner care about what 
>>the disk reports?
> 
> 
> You answered that in asking the question.  "The value stored in the MBR
> must match the ...". What if the MBR has not yet been written ?
> 
> (Also btw its *should*...) most modern OS's will take a sane MBR
> geometry and trust it over BIOS defaults.
not always. to dos based winnt.exe installer for windows xp trusts the
bios, not the mbr
> 
> Alan
> 
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