Re: Raid 4 idea!

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On Saturday April 8, djani22@xxxxxxxxxxxxx wrote:
> Hello, list,
> 
> I have one idea!
> 
> I using raid4, and found to be really good, but i think this can be more
> better! :-)
> 
> If the raid4 fails one disk (except the patiry disk), the md currently only
> drop the disk from array, but i think this could be more useful, if the md
> immediately starts to transform the parity disk into the place fo missing
> disk!

While this might sound easy to do, doing it in a way that is
crash-proof makes it a lot more complicated.

It may happen one day, but I'm afraid I don't see it as a priority.

NeilBrown
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