[Linux-cluster] Trouble setting up a new cluster

[Jason_Henderson at Mitel.com]

linux-cluster-bounces at redhat.com wrote on 08/27/2010 11:28:27 AM:

> I'm trying unsuccessfully to set up a new cluster on redhat 5.  The
> nodes seem to see each other, but they alway start up inquorate and
> never join up.  I'm not sure what else I should be looking at.  Iptables
> is not running.
> 
> [root at uaz-so-w52 ~]# group_tool
> type             level name       id       state
> fence            0     default    00010001 none
> [1]
> dlm              1     clvmd      00020001 none
> [1]
> dlm              1     rgmanager  00030001 none
> [1]
> 
> [root at uaz-so-w51 ~]# group_tool
> type             level name  id       state
> 
> [root at uaz-so-w51 ~]# cman_tool nodes
> Node  Sts   Inc   Joined               Name
>    0   X      0                        /dev/mapper/soap1
>    1   X      0                        uaz-so-w52.mosaic.arizona.edu
>    2   M   7920   2010-08-26 10:04:51  uaz-so-w51.mosaic.arizona.edu
> 
> [root at uaz-so-w52 ~]# cman_tool nodes
> Node  Sts   Inc   Joined               Name
>    0   M      0   2010-08-26 09:59:16  /dev/mapper/soap1
>    1   M   7436   2010-08-26 09:59:04  uaz-so-w52.mosaic.arizona.edu
>    2   X      0                        uaz-so-w51.mosaic.arizona.edu
> 
> Any help would be greatly appreciated.

Looks like they are each a member of their own cluster. Perhaps multicast 
communication between the two nodes is not working. Are you using RedHat 
5.5?
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