On Sat, 21 Oct 2006, Dan wrote: > I have been using an older 64bit system, socket 754 for a while now. It has > the old PCI bus 33Mhz. I have two low cost (no HW RAID) PCI SATA I cards > each with 4 ports to give me an eight disk RAID 6. I also have a Gig NIC, > on the PCI bus. I have Gig switches with clients connecting to it at Gig > speed. > > As many know you get a peak transfer rate of 133 MB/s or 1064Mb/s from that > PCI bus http://en.wikipedia.org/wiki/Peripheral_Component_Interconnect > > The transfer rate is not bad across the network but my bottle neck it the > PCI bus. I have been shopping around for new MB and PCI-express cards. I > have been using mdadm for a long time and would like to stay with it. I am > having trouble finding an eight port PCI-express card that does not have all > the fancy HW RAID which jacks up the cost. I am now considering using a MB > with eight SATA II slots onboard. GIGABYTE GA-M59SLI-S5 Socket AM2 NVIDIA > nForce 590 SLI MCP ATX. > > What are other users of mdadm using with the PCI-express cards, most cost > effective solution? > > > - > 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 > Read this: http://www.anandtech.com/IT/showdoc.aspx?i=2859 I have a similar setup to you, 6 IDE ATA/100 + 2 SATA/150 (all 400GB) in an mdadm RAID5, works well but it maxes out the PCI bus unfortunately. At some point I am going to do what you did, get 2 x SATA PCI-e SiL 3114 cards perhaps. Or, after reading that article, consider SAS maybe..? Justin. - 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