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Date: Tue, 26 Jun 2007 15:20:09 +1200 From: Graeme Sheppard <nodes@...lion.net> To: Neil Brown <neilb@...e.de> CC: linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org Subject: Re: Patent or not patent a new idea Neil Brown wrote: > On Tuesday June 26, nodes@...lion.net wrote: >> Posting it here seems the best thing to do. >> >> To the inventor goes naming privilege and I'm calling this one softer raid. >> It is a form of storage raid implemented in software, as contrasted to >> software and hardware raid which are dependent on using required hardware. >> >> To create a loop filesystem is straight forward. The commands are dd, >> mkfs.*, mount -o loop. Basically what I propose is that the image file is >> copied to another harddisk (in the case of ide not on the same cable) and >> it too is mounted in conjunction of the original with cooperation. When a >> read request for a block of say 100k is made, the kernel pulls 50k from >> each disk - maybe a simple doubling of throughput. > > Sounds a lot like "RAIF" - ask google for details. I did not know about RAIF. RAIF "merges" separate filesystems? That is a good idea in itself. My idea is for driver that provides a filesystem from image files it controls. Because it knows these resources it uses access in tandem to attain performance. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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