Spam Filter wrote:
Now to the 'hostlist': The stonith plugin can be one that can stonith
more that one node, like a stonith macine gun ;-)
in the startup phase of the stonith plugin the plugin is called with
the first argument 'gethost' (see documentation). The stonith plugin
has to answer with exactly one nodename (aka hostname) per line. But
it's
o.k. to send more that one line to state that the plugin is able to
shoot
more nodes. After that stonithd (or someone else in the machinery)
knows whom to ask when a node has to be shot.
When the external stonith plugin is called to shoot a node (1.
parameter
is 'reset') than the second parameter is the node name of the node
to shoot. (By the way, I have to correct my last published stonith
plugin,
arghhh)
My script as you can see from that I attached previously can do multiple
nodes from the environment but now doesn't support the command line
parameter(2nd to on/off/reset) which I can readd in but do I need to
protect the stonithing node from shooting itself or does HA put the list
of other hosts and not the shooting node?
If it always adds itself then I need to fitler itself out I suppose.
HA uses the hostlist returned by a configured stonith device to
determine which nodes that device can stonith - subsequently, that
device can be called to stonith any node within that list.
George.
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