[ClusterLabs] Merging partitioned two_node cluster?

[Andrei Borzenkov]

05.05.2020 19:30, Nickle, Richard пишет:
> So I tried an experiment.  I had tried switch over to 'udpu' unicast
> transport, but corosync threw an error starting up (which I did not drill
> down on yet.)
> 
> I went over to my test environment and did the same thing and it worked
> fine, the cluster worked and everything.
> 
> One thing that is different there is the test environment is on a network
> with CIDR /22, and the production network is on a CIDR /26.
> 
> So, for my bindnetaddr on my test network, I have the address of my VIP, or
> '192.168.193.113'.  That would be a network base of '192.168.192.0'.
> 
> But my production network is on '192.168.83.131', That would be a network
> base of '192.168.83.128'.
> 
> I have tried hardcoding the 'bindnetaddr' to the network base
> '192.168.83.128', but it still throws an error.  Perhaps it is 'zeroing'
> out the bindnetaddr least significant byte to make the network base?
> 

This should work according to documentation (which lists exactly the /26
subnet).

Anyway, bindnetaddr should not be used wit udpu transport at all.

> Is it possible that the calculation of my base network in 'bindnetaddr'
> doesn't account for networks with CIDR mask bits greater than 24?  (which
> would have non-zero least significant bytes.)
> 
> Thanks,
> 
> Rick
> 
> 
> 
> 
> 
> On Tue, May 5, 2020 at 12:03 PM Andrei Borzenkov <arvidjaar at gmail.com>
> wrote:
> 
>> 05.05.2020 16:44, Nickle, Richard пишет:
>>> Thanks Honza and Andrei (and Strahil?  I might have missed a message in
>> the
>>> thread...)
>>>
>>
>> Yep, all messages from Strahil end up in spam folder.
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