What does your test look like? With multiple large IOs in flight we can regularly fill up a 1GbE link on our test clusters. With smaller or fewer IOs in flight performance degrades accordingly. On Tuesday, May 22, 2012 at 5:45 AM, Stefan Priebe - Profihost AG wrote: > Hi list, > > my ceph block testcluster is now running fine. > > Setup: > 4x ceph servers > - 3x mon with /mon on local os SATA disk > - 4x OSD with /journal on tmpfs and /srv on intel ssd > > all of them use 2x 1Gbit/s lacp trunk. > > 1x KVM Host system (2x 1Gbit/s lacp trunk) > > With one KVM i do not get more than 40MB/s and my network link is just > at 40% of 1Gbit/s. > > Is this expected? If not where can i start searching / debugging? > > Thanks, > Stefan > -- > To unsubscribe from this list: send the line "unsubscribe ceph-devel" in > the body of a message to majordomo@xxxxxxxxxxxxxxx (mailto:majordomo@xxxxxxxxxxxxxxx) > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html