On Mon, Feb 9, 2009 at 5:01 PM, Andrew Beekhof <beek...@gmail.com> wrote:
> > On Feb 9, 2009, at 12:25 PM, Romi Verma wrote: > > > > On Mon, Feb 9, 2009 at 4:04 PM, Andrew Beekhof <beek...@gmail.com> wrote: > >> On Feb 9, 2009, at 11:21 AM, Dejan Muhamedagic wrote: >> >> On Mon, Feb 09, 2009 at 03:09:40PM +0530, Romi Verma wrote: >>> >>>> >>>> >>>> sorry to interrupt in between. just one question from my side. if >>>> no-quorum-policy is set to freeze then resource is not supposed to stop >>>> . >>>> >>> >>> right. >>> >>> in >>>> that case node will not be fenced right?? >>>> >>> >>> no-quorum-policy has nothing to do with fencing. >>> >> >> well, depending on what it's set to, it can prevent fencing >> (no-quorum-policy != ignore) or cause it to be initiated when quorum is lost >> (no-quorum-policy == suicide) >> >> but if you're using freeze, and a resource must stop for other reasons but >> fails to, then the node will not be shot (although it probably should be). > > > Thanks Andrew, > > in case of more then 2 nodes we cant use no-quorum-policy to "ignore" as > we cant just ignore quourum. as you said in case of freeze node will not be > fenced. > > > right, but thats a good thing. > It only applies if you have an even split (ie. 2-2) where no-one has > quorum. > you only want to fence if you plan on taking over the other side's > resources - which freeze wont do. > > if you get a 3-1 split, then the side that has quorum _will_ shoot the 1 > node and take over its resources. > ook wow, it means if i have set no-quorum-policy to "ignore" it can be used in more than 2 nodes also. if it is 2-2 split then both partitons will try to stonith each other (.to get rid of this as you said we have to set stonith-action=powerfail or will not have to remove openais from startup service so that it cant get executed once the node comes up.) and if we get 3-1 spilit then automatically the partion having 3 nodes will stonith the 1 node. Thanks a lot for helping me. and sorry i bugged you lot :) > > so we have only two remaining suicide and stop. in case of suicide node > does not fence other it just reset itself. > > > itself and anyone else in its current partition > > So the only remaining no-quorum-policy is "stop" and if resource fails to > stop then the node should be fenced. am i right?? > > > i think so > > _______________________________________________ > Pacemaker mailing list > Pacemaker@oss.clusterlabs.org > http://oss.clusterlabs.org/mailman/listinfo/pacemaker > >
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