Andrew, Many thanks for your time! What value of 'divider' did you use? I'll put the same, 'cause its already tested :-p Best regards! -- Tiago Cruz <tiagocruz@xxxxxxxxxxxx> On Tue, 2009-06-30 at 12:26 -0600, Andrew A. Neuschwander wrote: > The tick divider first showed up in RHEL 5.1. It is a kernel command > line option. Search for 'divider' in the release notes > (http://www.redhat.com/docs/manuals/enterprise/RHEL-5-manual/release-notes/RELEASE-NOTES-U1-x86-en.html). > > Multicast works fine for me. I have 4 virtual and 1 physical members in > my gfs cluster. The VMs are split onto two ESX nodes (along with 20+ > other VMs). The physical/virtual ethernet switching works fine. But I > did make sure the GFS VMs are using the vmxnet driver, as it has a lower > latency than the other virtual nic driver. My gfs volumes consist of > about 14TB of 4Gbps FC SAN LUNS. > > -A > -- > Andrew A. Neuschwander, RHCE > Systems/Software Engineer > College of Forestry and Conservation > The University of Montana > http://www.ntsg.umt.edu > andrew@xxxxxxxxxxxx - 406.243.6310 > > > Tiago Cruz wrote: > > Hello Andrew! Many thanks for your reply! > > > > It's very good to see an environment like my! > > > > I'm using RHEL 5.2 with kernel-2.6.18-92.1.22.el5... can you explain a > > little bit around this trick divider? > > > > I'm usually have 2-3 IBM x3850 (16 cores CPU and 128 GB RAM) with 10-15 > > virtual machines running under GFS, with a LUN ~500 GB SAN. > > > > My problem happens when Multicast: > > > > Switch -> GFS -> Switch = OK > > vSwitch (Box_A) -> Switch-> vSwitch (Box_B) = NOK > > > > Did you have some problem with? If I put all VMs inside the same box > > (vSwitch Box_A -> vSwitch Box_A) I don't have any problem... > > > > Thanks a lot! > > > > -- > Linux-cluster mailing list > Linux-cluster@xxxxxxxxxx > https://www.redhat.com/mailman/listinfo/linux-cluster -- Linux-cluster mailing list Linux-cluster@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/linux-cluster