[ClusterLabs] how to sync data using cmap between cluster

[Rui Feng]

ok, thank you very much!

On Fri, May 26, 2017 at 2:36 PM, Jan Friesse <jfriesse at redhat.com> wrote:
>> ok, but why the node status(left, join) can be sync to other node in
>> the cluster by CMAP? thanks!
>
>
> It is not synced by cmap. Node status is essential property of totem
> protocol and it is just stored into local cmap mostly for
> diagnostics/monitoring. Also they are not so much in sync. You can try to
> create two node cluster, block traffic on one of the node and you will get
> node A which sees node B as a left and node B which see node A as left.
>
> Honza
>
>
>>
>> On Thu, May 25, 2017 at 11:26 PM, Christine Caulfield
>> <ccaulfie at redhat.com> wrote:
>>>
>>> On 25/05/17 15:48, Rui Feng wrote:
>>>>
>>>> Hi,
>>>>
>>>>    I have a test based on corosync 2.3.4, and find the data stored by
>>>> cmap( corosync-cmapctl -s test i8 1) which can't be sync to other
>>>> node.
>>>>    Could somebody give some comment or solution for it, thanks!
>>>>
>>>>
>>>
>>> cmap isn't replicated across the cluster. If you need data replication
>>> then you'll have to use some other method.
>>>
>>> Chrissie
>>>
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>>
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>
>
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