On Thu, 1 Dec 2005 16:19:38 +1100 Neil Brown <neilb@xxxxxxx> wrote: > What I would really like is a cheap (Well, not too expensive) board > that had at least 100Meg of NVRAM which was addressable on the PCI > buss, and an XOR and RAID-6 engine connected to the DMA engine. Then > we could use the NVRAM as a write-behind cache and offload all the > parity calculation to it, while still having all the flexibility of > software raid... There are some things near enough what you wish: How to use gfx memory as nvram (no batteries tho :) http://hedera.linuxnews.pl/_news/2002/09/03/_long/1445.html Or not really pci mapped, but presented as sata disk: http://www.anandtech.com/storage/showdoc.aspx?i=2480&p=1 As for XOR, Jeff Garzik reports Promise SX4 is something like that. -- Jure Pečar http://jure.pecar.org/ - To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
