> -----Original Message----- > From: linux-cluster-bounces@xxxxxxxxxx > [mailto:linux-cluster-bounces@xxxxxxxxxx] On Behalf Of Ramon > van Alteren > Sent: Thursday, April 26, 2007 6:59 AM > To: linux clustering > Cc: System Administration > Subject: clvm problems with multiple clusters > in same vlan > > Hi list, > > We're having problems with running multiple clusters in the same vlan. > For some reason clvmd refuses to start properly. I am currently running 2 redhat clusters in the same VLAN using the same IP range with different netmasks however (i.e. each cluster in its own subnet, both on the same VLAN). So far, I have not seen any clvmd issues. Steffen > > We think (but cannot completely confirm) that clvm is > informed by the clvmd on the other cluster about volumegroups > which it can't reach because it can't reach the underlying > storage / physical volumes. > > The sympotoms are: > > node fails on reboot with hung clvmd daemon no output from > clvmd even when started with debug (clvmd -d) > > versions: > Cluster LVM daemon version: 2.02.09 (2006-08-17) > Protocol version: 0.2.1 > > cman_tool 1.03.00 (built Oct 19 2006 10:58:21) Copyright (C) > Red Hat, Inc. 2004 All rights reserved. > > ccsd 1.03.00 (built Oct 19 2006 10:58:17) Copyright (C) Red > Hat, Inc. 2004 All rights reserved. > > The node does join the cman cluster group and the defined fence group. > If the second cluster is shutdown nodes reboot without problems. > > We're considering to force ccs to use different ports [1] for > communication as a workaround, any other options or > suggestions would be highly appreciated. > > Best regards, > > Ramon van Alteren > > > [1] man ccsd: > > -P <port identifier>:<port number> > You have the option of specifying the port > numbers used by ccsd. The port identifier is either: > b, c, or f. "b" is the port which ccsd > attempts to > communicate with ccsd processes on other > machines, via broadcast/multicast, to obtain or > validate its config file (cluster.conf). This is > known as the backend port. "c" is the base > port number of two consecutive ports used by ccsd > processes to communicate cluster membership > information. > This is known as the cluster base port. > "f" is the port number that listens for > information requests from the CCS library (or programs > using it). This is known as the frontend port. > > So, to change the frontend port one might > specify -P f:60000. > > -- > 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
