Keep in mind that multicast requires a multicast router to handle the traffic. Mere Layer2 connectivity is not enough. If broadcast does work, that might be your problem. Kit -----Original Message----- From: linux-cluster-bounces@xxxxxxxxxx [mailto:linux-cluster-bounces@xxxxxxxxxx] On Behalf Of Jason Fitzpatrick Sent: maandag 21 juni 2010 18:14 To: linux clustering Subject: Re: Basic Active Active File Server Hi.. I have tried both multicast and broadcast to no avail, as above I am moving the systems to the same ESX to try and rule out the networking end of things, I have not tried the tcpdump but was running wireshark in an attempt to do the same as you recommended Jay On 21 June 2010 16:49, Kaloyan Kovachev <kkovachev@xxxxxxxxx> wrote: > Hi, > On Mon, 21 Jun 2010 16:07:34 +0100, Jason Fitzpatrick > <jayfitzpatrick@xxxxxxxxx> wrote: >> Hi all >> >> I am having no end of trouble getting a basic Active Active Cluster >> working. at the moment it is in test / proof of concept and has >> manual fencing in place but I cannot for the life of me get the 2 >> nodes to join to the one cluster (they both report joined in crm_tool >> status but only to a local clustered instance if that makes any >> sence) >> >> I have tried to use luci and system-config-cluster to get this up and >> running and have been at it over a week, the network guys swear that >> there is nothing blocking multicast traffic between them and the >> firewalls have been disabled (they are on the same VLAN but connected >> to different switches) servers have been rebuilt and have RHEL 5.5 >> installed >> > > your problem is the multicast traffic - check with tcpdump if it is > comming to the other server at all (network) and if it is, then > doublecheck the firewall. > alternatively you may try using broadcast instead of multicast > >> Shared Storage is being provided by an Active Active DRBD setup >> (tested and working) >> >> I have attached a copy of my cluster.conf >> >> Thanks in advance >> >> Jay >> >> -- >> >> "The only difference between saints and sinners is that every saint >> has a past while every sinner has a future. " >> - Oscar Wilde > > -- > Linux-cluster mailing list > Linux-cluster@xxxxxxxxxx > https://www.redhat.com/mailman/listinfo/linux-cluster -- "The only difference between saints and sinners is that every saint has a past while every sinner has a future. " - Oscar Wilde -- Linux-cluster mailing list Linux-cluster@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/linux-cluster No virus found in this incoming message. Checked by AVG - www.avg.com Version: 9.0.829 / Virus Database: 271.1.1/2952 - Release Date: 06/20/10 20:36:00 -- Linux-cluster mailing list Linux-cluster@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/linux-cluster
