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Port FreeBSD ataraid driver to OSX?


eturk
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  • 1 year later...

This is an old thread, but I'm not going to post a new one that's saying exactly the same thing as this.

 

With a hackintosh, for RAID (working in OS X anyway), you only have two options:

a) Apple software RAID, which will only work in OS X, or

B) Get a dedicated RAID card with OS X drivers, which is much more preferable, but burns quite a huge hole in your wallet

 

Motherboard "fakeraid", while it isn't the best implementation, works in Windoze and can work in Linux using dmraid and FreeBSD using ataraid. Mac OS X is partly derived from FreeBSD. I'm not entirely sure if it'd be possible to port ataraid if OS X's ATA drivers differ much from FreeBSD, but if it is doable, that'd be awesome.

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Actually, the source for AppleRAID.kext (which seems to manage OS X softraid and possibly RAID sets made by Apple RAID cards as well, although AppleRAIDCard.kext manages at least the hardware for that) for both Leo and SL is on opensource.apple.com. It might be feasible to make a modified version of it that can read the metadata/header formats of other RAID controllers' RAID sets.

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