[Pacemaker] Exclude resource from host

[Arthur B. Olsen]

On 08-03-11 11:11, "Dejan Muhamedagic" <dejanmm at fastmail.fm> wrote:

>Hi,
>
>On Tue, Mar 08, 2011 at 07:05:04AM +0000, Arthur B. Olsen wrote:
>> But it will still give me an action failed for those nodes where fx
>>nfs-kernel-server is not installed. And when both nfs nodes are down it
>>will try to get it running on the sql servers
>
>Pacemaker will never try to run a resource on a node for which
>its score is negative. Do you also get errors on probes
>(monitor)? If so, then that should be either fixed in the RA or
>you can just install nfs server packages.

I get these errors on my mysql hosts:
ERROR: lsb:nfs-common: could not parse meta-data:
ERROR: lsb:nfs-common: no such resource agent
ERROR: lsb:nfs-kernel-server: could not parse meta-data:
ERROR: lsb:nfs-kernel-server: no such resource agent


I could install the nfs software on the mysql servers and mysql on the nfs
server. 
But it does not seem like an elegant solution.

>
>Thanks,
>
>Dejan
>
>> Arthur B Olsen
>> Føroya Tele
>> +298 243392
>> +298 303392
>> 
>> On 07/03/2011, at 21.27, "Glenn Elliott"
>><gelliott at stvincents.com.au<mailto:gelliott at stvincents.com.au>> wrote:
>> 
>> Does a location rule help?
>> 
>> node <http://node1.foo.com> node1.foo.com<http://node1.foo.com>
>> node <http://node2.foo.com> node2.foo.com<http://node2.foo.com>
>> primitive node1-ip ocf:heartbeat:IPaddr \
>>         params ip="10.56.0.10" cidr_netmask="24" \
>>         op monitor interval="10s"
>> location exclude_node node1-ip -inf: <http://node1.foo.com>
>>node1.foo.com<http://node1.foo.com>
>> 
>> 
>> >>> On 8/03/2011 at 5:58 am, in message
>><4D752AEF.1070301 at huapi.ba.ar<mailto:4D752AEF.1070301 at huapi.ba.ar>>,
>>tron at huapi.ba.ar<mailto:tron at huapi.ba.ar> wrote:
>> Beware: sorcerer's apprentice advice:
>> 
>> What about Lars' double negation trick of having an -infinite rule
>> applied to this resource living in other than the two "good" nodes ?
>> 
>> -Carlos
>> 
>> Arthur B. Olsen @ 07/03/2011 15:02 -0300 dixit:
>> > I was wondering how to make a resource not to run on a certain host.
>>I have two nfs servers an two mysql server in one cluster. Now i get
>>failed actions because nfs is not installed on mysql an visa versa.
>> >
>> > Maybe this is trivial, but it has escaped me
>> >
>> > Thanks
>> >
>> >
>> > Arthur B Olsen
>> > Føroya Tele
>> > +298 243392
>> > +298 303392
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>>r> 
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>> --
>> Carlos G Mendioroz  <tron at huapi.ba.ar<mailto:tron at huapi.ba.ar>>  LW7
>>EQI  Argentina
>> 
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