[ClusterLabs] Pacemaker not always selecting the right stonith device
arvidjaar at gmail.com
Tue Jul 19 12:01:28 EDT 2016
19.07.2016 18:24, Klaus Wenninger пишет:
> On 07/19/2016 04:17 PM, Ken Gaillot wrote:
>> On 07/19/2016 09:00 AM, Andrei Borzenkov wrote:
>>> On Tue, Jul 19, 2016 at 4:52 PM, Ken Gaillot <kgaillot at redhat.com> wrote:
>>>>> primitive p_ston_pg1 stonith:external/ipmi \
>>>>> params hostname=pg1 ipaddr=10.148.128.35 userid=root
>>>>> passwd_method=file interface=lan priv=OPERATOR
>>>> These constraints prevent each device from running on its intended
>>>> target, but they don't limit which nodes each device can fence. For
>>>> that, each device needs a pcmk_host_list or pcmk_host_map entry, for
>>>> primitive p_ston_pg1 ... pcmk_host_map=pg1:pg1.ipmi.example.com
>>>> Use pcmk_host_list if the fence device needs the node name as known to
>>>> the cluster, and pcmk_host_map if you need to translate a node name to
>>>> an address the device understands.
>>> Is not pacemaker expected by default to query stonith agent instance
>>> (sorry I do not know proper name for it) for a list of hosts it can
>>> manage? And external/ipmi should return value of "hostname" patameter
>>> here? So the question is why it does not work?
>> You're right -- if not told otherwise, Pacemaker will query the device
>> for the target list. In this case, the output of "stonith_admin -l"
>> suggests it's not returning the desired information. I'm not familiar
>> with the external agents, so I don't know why that would be. I
>> mistakenly assumed it worked similarly to fence_ipmilan ...
> guess it worked at the times when pacemaker did fencing via
> A grep for "gethosts" doesn't return much for current pacemaker-sources
> from some leftovers in cts.
Oh oh ... this sounds like a bug, no?
> Which pacemaker-version are you using?
According to original post
root at test123:~# crm_mon -1
Last updated: Mon Jul 18 22:45:00 2016 Last change: Mon Jul 18
2016 by root via cibadmin on pg2
Current DC: pg1 (version 1.1.14-70404b0) - partition with quorum
3 nodes and 25 resources configured
Online: [ pg1 pg2 pg3 ]
p_ston_pg1 (stonith:external/ipmi): Started pg2
p_ston_pg2 (stonith:external/ipmi): Started pg3
p_ston_pg3 (stonith:external/ipmi): Started pg1
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