On Dec 1, 2007 2:43 AM, Richard Scobie <r.scobie@xxxxxxxxxxxx> wrote: > > > Alan Cox wrote: > > > If you want really high performance use multiple drives, on multiple PCIE > > controllers. Just make sure your backup planning of raid 1+0 setup is > > done right as many drives means a lot more drive fails. > > Thanks again. For what it's worth, I shall be attempting this with SATA > drives in a RAID 50 configuration - 2 x 8 drives, using md RAID and an 8 > lane PCIe SAS HBA. > I suspect many of us will be curious of the performance results. Also, if you have Port Multiplexers (PMPs) in use, that would be interesting to know. I don't even know if PMPs are supported via SAS controllers in 2.6.24 or not. ie. PMP support is new to 2.6.24 and only a few Sata controllers will have PMP support in 2.6.24. Greg -- Greg Freemyer Litigation Triage Solutions Specialist http://www.linkedin.com/in/gregfreemyer First 99 Days Litigation White Paper - http://www.norcrossgroup.com/forms/whitepapers/99%20Days%20whitepaper.pdf The Norcross Group The Intersection of Evidence & Technology http://www.norcrossgroup.com - To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
