On Mon, 25 Dec 2000, Edward Schernau wrote:
> I read elsewhere that someone was able to mount a stripe set
> created on a Mylex (real) RAID card, by telling Linux that it
> used a certain flavor of parity stripe info in RAID5.
>
> I think what Andre meant was that you can try it - point Linux
> s/w RAID at a stripe set, and it might work, but probably wouldn't.
> The data structures written on disk along with the data aren't
> documented, so all you'd see is just raw (weird) data.
Bravo, Bravo!!!!
You are the first person the follow or think through the answers I have
given and come to +90% of the answer. Since I have not exposed any of the
final 10%, I will give that now. ;-)
As with all RAID issues, everyoe know that the devices get destroked so
that reserved data can be saved for descibing the nature of the array.
What needs to be known is how to used and update this data so the kernel
can still boot if you loose one of your drives, even if it is the primary
in the array.
Now if we loose a drive during the running of the kernel, then we need to
know how and where to update the pointers in the BIOS protion of the
destroking of the drive.
Cheers,
Andre Hedrick
CTO Timpanogas Research Group
EVP Linux Development, TRG
Linux ATA Development
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