Hi, On Fri, Apr 25, 2008 at 08:41:43PM +0200, Michael Schwartzkopff wrote: > Am Freitag, 25. April 2008 15:27 schrieb Dejan Muhamedagic: > > Hi, > > > > On Fri, Apr 25, 2008 at 10:48:32AM +0200, Michael Schwartzkopff wrote: > > > Hi, > > > > > > this post is a follow up to a discussion on this list beginnig of April. > > > > > > Does anybody did setup a Linux-HA Cluster on a OpenVZ virtual system? I > > > ran into trouble using the IPaddr2 resource. > > > > > > Since a OpenVZ virtual machine is not able to set its own IP address the > > > resource IP for the virtual address of the cluster will always fail. > > > > > > - One solution was to set net_admin capabiliy to that virtual machine. > > > But I did not succeed in trying that. If somebody succeeded, please mail > > > me. > > > > > > - The second suggestion was to setup new virtual devices for the node. > > > See http://wiki.openvz.org/Virtual_Ethernet_device > > > But I think this also will not work, because the underlying host does > > > proxy arp for the virtual ip address. If the ip resource is moved to > > > another node that underlying host will still do proxy arp and advertise > > > the old node. Did anybody find a solution here? > > > > > > - The third way I found was to rewrite the IPaddr2 RA a little bit so > > > that it passes on the information about adding / removing the ip address > > > to the underlying host which in turn does a: > > > vzctl set <veid> --ip_add <ip> > > > > > > Any better solutions? Thank for a fruitful discussion. > > > > I think I can recall that there was a discussion, but no details :-) > > At any rate, long time ago I had a three node test cluster on > > Debian Etch with virtual IP addresses (using IPaddr). Haven't > > tested the setup much, but haven't noticed any problems either. > > In particular, the IPaddr resources didn't fail. > > > > Or did I misunderstand your question? > > I think so. > > Did you setup the complete openvz virtual machine as resource of the cluster > or did you setup the heartbeat software inside the virtual machine and the ip > address as a resource of that node? First setup should work. My question is > related to the second setup.
It was also the second kind, i.e. each virtual machine as a cluster node. > Reason: As far as I tried the ip command does not work inside a virtual > machine. Never tried the ip command, just ifconfig (as used by IPaddr). Thanks, Dejan > > -- > Dr. Michael Schwartzkopff > MultiNET Services GmbH > Addresse: Bretonischer Ring 7; 85630 Grasbrunn; Germany > Tel: +49 - 89 - 45 69 11 0 > Fax: +49 - 89 - 45 69 11 21 > mob: +49 - 174 - 343 28 75 > > mail: [EMAIL PROTECTED] > web: www.multinet.de > > Sitz der Gesellschaft: 85630 Grasbrunn > Registergericht: Amtsgericht M?nchen HRB 114375 > Gesch?ftsf?hrer: G?nter Jurgeneit, Hubert Martens > > --- > > PGP Fingerprint: F919 3919 FF12 ED5A 2801 DEA6 AA77 57A4 EDD8 979B > Skype: misch42 > _______________________________________________ > Linux-HA mailing list > Linux-HA@lists.linux-ha.org > http://lists.linux-ha.org/mailman/listinfo/linux-ha > See also: http://linux-ha.org/ReportingProblems _______________________________________________ Linux-HA mailing list Linux-HA@lists.linux-ha.org http://lists.linux-ha.org/mailman/listinfo/linux-ha See also: http://linux-ha.org/ReportingProblems
