[Beowulf] Software Raid

Sean Dilda sean at duke.edu
Thu Dec 15 06:15:44 PST 2005

Chris Samuel wrote:
> On Thursday 15 December 2005 01:29, Sean Dilda wrote:
>>However, as I understand it, most hardware raid is handled by firmware on
>>the hardware.  And even if it isn't, the chips that do the work are of
>>relatively new design. 
> Not necessarily true, often the "consumer end" ATA RAID cards are really 
> fakeraid, where some portion of the work is offloaded to the driver to do.  
> Kind of like the endless pain that is winmodems.

I'm aware of those.  I think we can safely say that those are not 
Hardware RAID :)  They're just software raid which requires special 
hardware, which means its the worse of all the options.

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