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

[Dejan Muhamedagic]

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


> Best Regards,
> 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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>
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> Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf
> Bugs: http://developerbugs.linux-foundation.org/enter_bug.cgi?product=Pacemaker