On Mon, Feb 25, 2008 at 12:10 PM, Dejan Muhamedagic <[EMAIL PROTECTED]> wrote: > Hi, > > > On Mon, Feb 25, 2008 at 11:27:38AM -0700, Serge Dubrouski wrote: > > I would love to do that and already tried it. Though we didn't come to > > agreement on how configuration parameters should look like. > > Why? Was there a discussion on the list about it? The > configuration is a bit unusual. Other stonith agents take named > parameters. Though this kind of configuration also works, I'd > prefer something similar to the others, e.g.
Yes there was a discussion http://lists.community.tummy.com/pipermail/linux-ha-dev/2007-February/ See "new stonith external plugin". The config parameter hostslist is actually derived from original ssh plugin. I needed to have a full list of all controlled nodes and preferred to have it as one parameter. > > hostname dom0 (or xenhost) config > That would work if I needed just a dom0 host, but I also need a list of controlled nodes and probably configuration files. > Thanks, > > Dejan > > > > > So if you wish and have time please review it, let me know your > > thoughts and I'll be glad to make any changes. Allan already have my > > form submitted. > > > On Mon, Feb 25, 2008 at 11:22 AM, Dejan Muhamedagic <[EMAIL PROTECTED]> > wrote: > > > Hi Serge, > > > > > > > > > On Mon, Feb 25, 2008 at 10:27:10AM -0700, Serge Dubrouski wrote: > > > > Plugin is attached. Put it into /usr/lib/stonith/plugins/external/. > > > > > > Do you feel like contributing the thing? If so, you know the > > > drill :) > > > > > > Thanks, > > > > > > Dejan > > > > > > > > > > > > > And here is an example how to use it: > > > > > > > > <clone id="DoFencing"> > > > > <instance_attributes id="fence_attributes"> > > > > <attributes> > > > > <nvpair id="fence_clone_max" name="clone_max" value="2"/> > > > > <nvpair id="fence_clone_node_max" name="clone_node_max" > value="1"/> > > > > </attributes> > > > > </instance_attributes> > > > > <primitive id="child_DoFencing" class="stonith" > > > > type="external/xen0" provider="heartbeat"> > > > > <operations> > > > > <op id="fence_monitor" name="monitor" interval="5s" > > > > timeout="20s" prereq="nothing"/> > > > > <op id="fence_start" name="start" timeout="20s" > prereq="nothing"/> > > > > </operations> > > > > <instance_attributes id="fence_inst_attr"> > > > > <attributes> > > > > <nvpair id="ssh_hostlist" name="hostlist" > > > > value="fc-node1:home:/opt/xen/fedora-fc5/fc-node1.cfg > > > > fc-node2:home:/opt/xen/fedora-fc5/fc-node2.cfg"/> > > > > </attributes> > > > > </instance_attributes> > > > > </primitive> > > > > </clone> > > > > > > > > You'll have to change this line: > > > > > > > > <nvpair id="ssh_hostlist" name="hostlist" > > > > value="fc-node1:home:/opt/xen/fedora-fc5/fc-node1.cfg > > > > fc-node2:home:/opt/xen/fedora-fc5/fc-node2.cfg"/> > > > > > > > > Here: > > > > fc-node1/2 - name of Xen nodes, > > > > home - name of Xen0 node, > > > > /opt/xen/fedora-fc5/fc-node1/2.cfg - Path to config files for Xen > > > > nodes. This can be skipped if config files are in /etc/xen directory > > > > and named as node_name.cfg > > > > > > > > Sorry this syntax is kind of complex but it works for me. > > > > > > > > > > > > On Mon, Feb 25, 2008 at 10:11 AM, Lino Moragon > > > > <[EMAIL PROTECTED]> wrote: > > > > > Serge Dubrouski schrieb: > > > > > > > > > > > I have a such plugin if you are interested in it. > > > > > I'm very interested in it :-) That would be very nice. Would you > post or > > > > > attach it? > > > > > > > > > > Thanks, > > > > > Lino > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > On Mon, Feb 25, 2008 at 8:35 AM, Lino Moragon <[EMAIL > PROTECTED]> wrote: > > > > > >> Hi List, > > > > > >> > > > > > >> I've got a 2 Node HA-cluster running on a XEN Host. > > > > > >> To fence the nodes I wanted to implement the external/ssh > plugin in > > > > > >> order to fence the node if both configured heartbeat links on > 2 NICs > > > > > >> went down. > > > > > >> > > > > > >> My question: Is it possible to configure the plugin, so that > the good > > > > > >> node, that has got network connectivity could connect through > ssh on the > > > > > >> Xen Host and from there issue a 'xm destroy badnode' command? > > > > > >> > > > > > >> I mean, if both NICs are down on the badnode there isn't a > posibility to > > > > > >> connect through ssh, so only available solution would be to > connect to > > > > > >> the xen-host. > > > > > >> > > > > > >> Has anyone ever configured a plugin like that? Is there > perhaps a better > > > > > >> option / solution? > > > > > >> > > > > > >> Would I have to set up a resource clone or a set of 2 > external/ssh > > > > > >> resources on each node one? > > > > > >> > > > > > >> Thanks for any hints, advice, suggestions. > > > > > >> > > > > > >> Lino > > > > > >> > > > > > >> _______________________________________________ > > > > > >> 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 > > > > > > > > > > > > > > > > > > > > > -- > > > > Serge Dubrouski. > > > > > > > > > > _______________________________________________ > > > > 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 > > > > > > > > > > > -- > > Serge Dubrouski. > > _______________________________________________ > > 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 > -- Serge Dubrouski. _______________________________________________ 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
