Re: Two node cluster not connected to each other

[David Golovan <davidg@xxxxxxxxxxxxx>]

Hi,

I have switched to broadcast mode and the cluster works fine until I try to setup quorum device.

Starting cman don't start qdisk, as the check cman script for quorum divice fails:

[root@clit1-p /]# ccs_tool query /cluster/quorumd
Entity: line 25: parser error : Input is not proper UTF-8, indicate encoding !
Bytes: 0xC0 0x22 0xF4 0x8A
<cman expected_votes="1" broadcast="�"�" two_node="0" nodename="cli
                                                ^
Entity: line 25: parser error : attributes construct error
<cman expected_votes="1" broadcast="�"�" two_node="0" nodename="cli
                                                  ^
Entity: line 25: parser error : Couldn't find end of Start Tag cman line 25
<cman expected_votes="1" broadcast="�"�" two_node="0" nodename="cli
                                                  ^
Entity: line 26: parser error : Opening and ending tag mismatch: cluster line 2 and cman
</cman>
       ^
Entity: line 27: parser error : Extra content at the end of the document
<fencedevices>
^
Query failed: No such file or directory

I can change cman script to start qdisk always and everything works, but it's not the right thing to use the cluster imo...

David Golovan

On 11/30/2011 08:36 PM, Steven Dake wrote:

try broadcast mode

On 11/30/2011 10:24 AM, David Golovan wrote:

All setting set to default(multicast address and port) now and same
still problem.

The multicast looks like working, I can't check the switch, but we ran
multicast test on both servers(using mdump tool) and it works fine.
Also, using tcpdump I can see that both servers communicate with each
other using cluster multicast address and port.

David Golovan

On 11/30/2011 06:44 PM, Digimer wrote:

On 11/30/2011 11:39 AM, David Golovan wrote:

Hi,

Thanks for the help.

I have removed the multicast address(now the cluster choose the address)
and tried to change the default port for multicast (from 5404 to 5400),
but no luck, still same problem...

While changing this settings I have noticed something:

I have removed to multicast address from the cluster(using luci) and
reboot only one node. When the node started it couldn't connect to the
cluster(as they had different multicast addresses), so it created
cluster of his own with same ring id as the second node's cluster. And
this time it didn't entered the loop of creating cluster generation number

David Golovan

If you can avoid changing the port or the IP and just let the cluster
use the default multicast, it would be best. Also make sure that, if you
have a managed switch, that it is handling multicast properly.

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