[Pacemaker] [PATCH] crm shell (configure node) for Heartbeat stack

[Kazunori INOUE]

Hi Dejan,

(2011/06/21 21:59), Dejan Muhamedagic wrote:
> Hi Kazunori-san,
>
> Apologies for not getting back to you sooner.
>
> On Mon, Jun 06, 2011 at 06:17:31PM +0900, Kazunori INOUE wrote:
>> Hi,
>>
>> (2011/05/27 19:32), Lars Ellenberg wrote:
>>>
>>> Oh no.
>>> Now you have duplicated all nodes, and will always get "unclean" nodes.
>>>
>>> Is this some variant of:
>>> http://www.clusterlabs.org/wiki/Initial_Configuration#A_Special_Note_for_People_Switching_Cluster_Stacks
>>>
>>> Could that be the root cause of your duplicate node instances with
>>> different ids?
>>>
>> Yes.
>> Corosync uses uname (output of 'uname -n') as ID of the node, and
>> Heartbeat uses UUID as ID of the node. Therefore, on Heartbeat stack,
>> unclean node is added when I loaded the following CLI.
>> # cat test1.cli
>> node srv-a1 utilization capacity="1"
>> #
>>
>> Attached "crm_configure_node_for_hb.patch" replaces ID of node (uname)
>> with UUID, after parsing the node ('node srv-a1 utilization capacity="1"')
>> command.
>> # crm -d configure load update test1.cli
>> (snip)
>> DEBUG: 1: cli_list: [['node', [['uname', 'srv-a1'], ['id', 'srv-a1']]], ['utilization', [['capacity', '1']]]]
>> DEBUG: 1: id_replace:<srv-a1>  to<0cd9d2df-13fa-4b11-93d3-27a57192caeb>
>> DEBUG: 1: cli_list: [['node', [['uname', 'srv-a1'], ['id', '0cd9d2df-13fa-4b11-93d3-27a57192caeb']]], ['utilization', [['capacity', '1']]]]
>> (snip)
>>
>> In other words attached patch will get the same result as loading
>> following cli.
>> # cat test2.cli
>> node $id="0cd9d2df-13fa-4b11-93d3-27a57192caeb" utilization capacity="1"
>> #
>> Is not this patch effective?
>
> Took a look at the patch, but I still need to investigate this
> further. Unfortunately, my schedule got really tight lately.
> I'll try to get to it as soon as I can.
>
> Cheers,
>
> Dejan
>
How is the status of this problem?

Thanks for your help.
Kazunori INOUE

>>> Or is only the crm shell getting it wrong when updating node attributes?
>>>
>>> --
>>> : Lars Ellenberg
>>> : LINBIT | Your Way to High Availability
>>> : DRBD/HA support and consulting http://www.linbit.com
>>>
>>> DRBD® and LINBIT® are registered trademarks of LINBIT, Austria.
>
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