[Pacemaker] Pacemaker 1.1: cloned stonith resources require --force to be added to levels

[Andrew Beekhof]

On 4 Jul 2014, at 1:29 pm, Giuseppe Ragusa <giuseppe.ragusa at hotmail.com> wrote:

> >> Hi all,
> >> while creating a cloned stonith resource
> > 
> > Any particular reason you feel the need to clone it?
>  
> In the end, I suppose it's only a "purist mindset" :) because it is a PDU whose power outlets control both nodes, so
> its resource "should be" active (and monitored) on both nodes "independently".
> I understand that it would work anyway, leaving it not cloned and not location-constrained
> just as regular, "dedicated" stonith devices would not need to be location-constrained, right?
> 
> >> for multi-level STONITH on a fully-up-to-date CentOS 6.5 (pacemaker-1.1.10-14.el6_5.3.x86_64):
> >> 
> >> pcs cluster cib stonith_cfg
> >> pcs -f stonith_cfg stonith create pdu1 fence_apc action="off" \
> >>     ipaddr="pdu1.verolengo.privatelan" login="cluster" passwd="test" \    pcmk_host_map="cluster1.verolengo.privatelan:3,cluster1.verolengo.privatelan:4,cluster2.verolengo.privatelan:6,cluster2.verolengo.privatelan:7" \
> >>     pcmk_host_check="static-list" pcmk_host_list="cluster1.verolengo.privatelan,cluster2.verolengo.privatelan" op monitor interval="240s"
> >> pcs -f stonith_cfg resource clone pdu1 pdu1Clone
> >> pcs -f stonith_cfg stonith level add 2 cluster1.verolengo.privatelan pdu1Clone
> >> pcs -f stonith_cfg stonith level add 2 cluster2.verolengo.privatelan pdu1Clone
> >> 
> >> 
> >> the last 2 lines do not succeed unless I add the option "--force" and even so I still get errors when issuing verify:
> >> 
> >> [root at cluster1 ~]# pcs stonith level verify
> >> Error: pdu1Clone is not a stonith id
> > 
> > If you check, I think you'll find there is no such resource as 'pdu1Clone'.
> > I don't believe pcs lets you decide what the clone name is.
> 
> You're right! (obviously ;> )
> It's been automatically named pdu1-clone
> 
> I suppose that there's still too much crmsh in my memory :)
> 
> Anyway, removing the stonith level (to start from scratch) and using the correct clone name does not change the result:
> 
> [root at cluster1 etc]# pcs -f stonith_cfg stonith level add 2 cluster1.verolengo.privatelan pdu1-clone
> Error: pdu1-clone is not a stonith id (use --force to override)

I bet we didn't think of that.
What if you just do:

   pcs -f stonith_cfg stonith level add 2 cluster1.verolengo.privatelan pdu1

Does that work?

> [root at cluster1 etc]# pcs -f stonith_cfg stonith level add 2 cluster1.verolengo.privatelan pdu1-clone --force
> [root at cluster1 etc]# pcs -f stonith_cfg stonith level verify
> Error: pdu1-clone is not a stonith id
> [root at cluster1 etc]# echo $?
> 1
> 
> I suppose that I should devise a testing strategy (like pulling iLO cables and causing a stonith to happen) to verify it.
>  
> Many thanks again for your help.
> 
> Regards,
> Giuseppe
> 
> 
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