On Wed, Jul 02, 2008 at 12:43:40PM -0400, Justin Piszcz wrote: > > > On Wed, 2 Jul 2008, Keld Jørn Simonsen wrote: > > >The 66 MHz 64-bit PCI bus is capable of handling about 4 Gbit/s, or > >about 500 MB/s. This can also be a bottleneck with bigger arrays, eg a 6 > >drive array will be able to deliver about 500 MB/s, and maybe you want > >also to feed a gigabyte ethernet card - 125 MB/s, totalling potentially > >625 MB/s on the PCI bus. > > > >The PCI-Express bus v1.1 has a limit of 250 MB/s per lane per dirction, > >and that limit can easily be hit eg by a 4-drive array. > Correction, can easily be hit with two veliciraptors. OK, I added that information. Best regards keld -- 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
