Re: [ClusterLabs] Does CMAN Still Not Support Multipe CoroSync Rings?

2018-03-05 Thread Jan Friesse 

Eric,



Well, I finally got around to trying out the  tag and I managed to get 
two rings running, but the first ring is not obeying my address and port directives.

Here's my cluster.conf


   
   
 
   
   
   
 
   
 
   
 
 
   
   
   
 
   
 
   
 
   
   
   
 
   
   
 
 
   


The rings are up...

[root@ha10b ~]# corosync-cfgtool -s
Printing ring status.
Local node ID 2
RING ID 0
 id  = 192.168.10.61
 status  = ring 0 active with no faults
RING ID 1
 id  = 198.51.100.61
 status  = ring 1 active with no faults

HOWEVER, when I run tcpdump, I can see that ring2 running on the appropriate 
multicast address and port, but ring1 is running on the default address and 
port...

[root@ha10b ~]# tcpdump -nn -i bond0 net 239.192.0.0/16
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on bond0, link-type EN10MB (Ethernet), capture size 65535 bytes
22:54:36.738395 IP 192.168.10.60.5404 > 239.192.170.111.5405: UDP, length 119
22:54:40.547048 IP 192.168.10.60.5404 > 239.192.170.111.5405: UDP, length 119

How do I get ring1 running on my desired address and port of 239.255.5.1, port 
4000


I'm not sure "mcast" for every node is really needed.

Try last example of:

https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/6/html/cluster_administration/s1-config-rrp-cli-ca



   
   


Honza



--Eric

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Re: [ClusterLabs] Does CMAN Still Not Support Multipe CoroSync Rings?

2018-02-14 Thread Eric Robinson 
> > Thanks for the  suggestion everyone. I'll give that a try.
> 
> Sorry, I'm late on this, but I wrote a quick start doc describing this (amongs
> other things) some time ago. See the following chapter:
> 
> https://clusterlabs.github.io/PAF/Quick_Start-CentOS-6.html#cluster-
> creation
> 

I scanned through that page but I did not see where it talks about setting up 
multiple corosync rings.

--Eric


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Re: [ClusterLabs] Does CMAN Still Not Support Multipe CoroSync Rings?

2018-02-14 Thread Jehan-Guillaume de Rorthais 
On Tue, 13 Feb 2018 21:38:06 +
Eric Robinson  wrote:

> Thanks for the  suggestion everyone. I'll give that a try.

Sorry, I'm late on this, but I wrote a quick start doc describing this (amongs
other things) some time ago. See the following chapter:

https://clusterlabs.github.io/PAF/Quick_Start-CentOS-6.html#cluster-creation

Other chapter might not be useful to you.

Do not hesitate to give feedback if something changed or doesn't work anymore.
This was based on CentOS 6.7.

Cheers,
-- 
Jehan-Guillaume de Rorthais
Dalibo
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Re: [ClusterLabs] Does CMAN Still Not Support Multipe CoroSync Rings?

2018-02-13 Thread Eric Robinson 
Thanks for the  suggestion everyone. I'll give that a try.

> -Original Message-
> From: Jan Friesse [mailto:jfrie...@redhat.com]
> Sent: Monday, February 12, 2018 8:49 AM
> To: Cluster Labs - All topics related to open-source clustering welcomed
> <users@clusterlabs.org>; Eric Robinson <eric.robin...@psmnv.com>
> Subject: Re: [ClusterLabs] Does CMAN Still Not Support Multipe CoroSync
> Rings?
> 
> Eric,
> 
> > General question. I tried to set up a cman + corosync + pacemaker
> > cluster using two corosync rings. When I start the cluster, everything
> > works fine, except when I do a 'corosync-cfgtool -s' it only shows one
> > ring. I tried manually editing the /etc/cluster/cluster.conf file
> > adding two 
> 
> AFAIK cluster.conf should be edited so altname is used. So something like in
> this example:
> https://access.redhat.com/documentation/en-
> us/red_hat_enterprise_linux/6/html/cluster_administration/s1-config-rrp-
> cli-ca
> 
> I don't think you have to add altmulticast.
> 
> Honza
> 
> sections, but then cman complained that I didn't have a multicast address
> specified, even though I did. I tried editing the /etc/corosdync/corosync.conf
> file, and then I could get two rings, but the nodes would not both join the
> cluster. Bah! I did some reading and saw that cman didn't support multiple
> rings years ago. Did it never get updated?
> >
> > [sig]
> >
> >
> >
> >
> > ___
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> >

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Re: [ClusterLabs] Does CMAN Still Not Support Multipe CoroSync Rings?

2018-02-12 Thread Jan Friesse 

Eric,

General question. I tried to set up a cman + corosync + pacemaker cluster using two corosync rings. When I start the cluster, everything works fine, except when I do a 'corosync-cfgtool -s' it only shows one ring. I tried manually editing the /etc/cluster/cluster.conf file adding two  


AFAIK cluster.conf should be edited so altname is used. So something 
like in this example: 
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/6/html/cluster_administration/s1-config-rrp-cli-ca


I don't think you have to add altmulticast.

Honza

sections, but then cman complained that I didn't have a multicast 
address specified, even though I did. I tried editing the 
/etc/corosdync/corosync.conf file, and then I could get two rings, but 
the nodes would not both join the cluster. Bah! I did some reading and 
saw that cman didn't support multiple rings years ago. Did it never get 
updated?


[sig]




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Re: [ClusterLabs] Does CMAN Still Not Support Multipe CoroSync Rings?

2018-02-12 Thread Digimer 
On 2018-02-12 07:10 AM, Eric Robinson wrote:
> General question. I tried to set up a cman + corosync + pacemaker
> cluster using two corosync rings. When I start the cluster, everything
> works fine, except when I do a ‘corosync-cfgtool -s’ it only shows one
> ring. I tried manually editing the /etc/cluster/cluster.conf file adding
> two  sections, but then cman complained that I didn’t have a
> multicast address specified, even though I did. I tried editing the
> /etc/corosdync/corosync.conf file, and then I could get two rings, but
> the nodes would not both join the cluster. Bah! I did some reading and
> saw that cman didn’t support multiple rings years ago. Did it never get
> updated?   
> 
>  
> 
> sig

It's been a while since I tested it (couldn't use it because of issues
with GFS2), but yes it worked. Don't edit corosync.conf, all corosync
config is handled in cman's cluster.conf. I believe you need to specify
the '' element for the second ring.

If you still have trouble, let me know and I'll see if I can find my old
notes.


-- 
Digimer
Papers and Projects: https://alteeve.com/w/
"I am, somehow, less interested in the weight and convolutions of
Einstein’s brain than in the near certainty that people of equal talent
have lived and died in cotton fields and sweatshops." - Stephen Jay Gould
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