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Re: [Cluster-devel] [fence-virt PATCH] backend plugin for Pacemaker



(11.10.28 18:09), Kazunori INOUE wrote:
> Hi, Lon
> 
> (2011/10/26 9:54), Lon Hohberger wrote:
>> On 09/20/2011 03:40 AM, Kazunori INOUE wrote:
>>> Hi,
>>>
>>> I created the backend "pm-fence" which has met the following
>>> configurations / requirements.
>>> - Both hosts and VMs, cluster (Pacemaker) have been configured.
>>>      * This backend has STONITH (fencing) function of the VM cluster.
>>> - The VMs are managed as resources (RA is VirtualDomain) by the host cluster.
>>>      * In this configuration, in order to stop a VM,
>>>        it is necessary to stop the resource through the host cluster.
>>>        When the VM was stopped without through the host cluster
>>>        (e.g., run the 'virsh destory'), the host cluster considers that
>>>        VM resource failed.
>>>
>>
>> This patch is good, but the server/Makefile.in needs to use pkg-config
>> --cflags / --libs glib-2.0 rather than static definitions.  I have
>> included an updated patch.
>>
> OK. But please correct the target of 'pkg-config -libs' to ncurses.
> 
> # diff 0001-backend-plugin-for-Pacemaker.patch mod
> 64c64
> <  +PACEMAKER_LIBS=-lcib -lpe_status `pkg-config --libs glib-2.0`
> ---
>> +PACEMAKER_LIBS=-lcib -lpe_status `pkg-config --libs ncurses`
> #
> 
> When glib-2.0 is the target, it fail in load.
> 
> # pkg-config --libs glib-2.0
> -lglib-2.0
> #
> # fence_virtd -d99 -F
>     :
> Loading plugin from /DEV/fence-virt/plugins/pm-fence.so
> Could not dlopen /DEV/fence-virt/plugins/pm-fence.so:
> /usr/lib64/libpe_status.so.2: undefined symbol: stdscr
> 
>> Otherwise, I do like this patch quite a lot.
>>
>> The only question I had is why there needs to be an external STONITH
>> plugin; I was of the impression that fence_virt and fence_xvm work out
>> of the box with Pacemaker 1.1.x.  That doesn't affect this particular
> We do not know how to do it...
> 
>> patch, as far as I can tell (it looks like just a glue wrapper between
>> pacemaker and fence_virt itself).
>>
> That's right. The purpose of this STONITH plugin is to adapt
> the request from a pacemaker to usage of fence_virt/fence_xvm.
> 
> Best Regards,
> Kazunori INOUE

Hi,

Is there a plan to merge this patch?
To that end, what do I need to do?

Regards,
Kazunori INOUE


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