[ClusterLabs] CentOS 7 - Corosync configuration

[Michael Schwartzkopff]

Am Freitag, 6. März 2015, 09:24:25 schrieb Willi Fehler:
> Hi,
> 
> I'm trying to build a Pacemaker/Corosync Cluster on CentOS7. The default
> Corosync configuration with one ring is working but then I only have 1
> ring and no encryption.
> 
> RING ID 1
>      id    = 10.10.10.1
>      status    = ring 1 active with no faults
> 
> I've tried to activate the following configuration but it doesn't work.
> 
> [root at linsrv006 corosync]# cat /etc/corosync/corosync.conf
> totem {
>          version: 2
>          secauth: on
>          threads: 0
>          rrp_mode: active
>          interface {
>                  ringnumber: 0
>                  bindnetaddr: 192.168.0.0
>                  mcastaddr: 226.94.42.7
>                  mcastport: 5411
>          }
>          interface {
>                  ringnumber: 1
>                  bindnetaddr: 10.10.10.0
>                  mcastaddr: 226.94.42.11
>                  mcastport: 5419
>          }
>          token: 10000
>          token_retransmits_before_loss_const: 40
>          rrp_problem_count_timeout: 20000
>          nodeid: 3
> }
> quorum {
>      provider: corosync_votequorum
>      expected_votes: 3
> }
> 
> logging {
> to_syslog: yes
> }
> 
> 
> The problem is also than, that pcs status is showing 3 nodes.
> 
> [root at linsrv006 corosync]# pcs status
> Cluster name:
> Last updated: Fri Mar  6 09:10:41 2015
> Last change: Fri Mar  6 09:10:30 2015 via crmd on linsrv006.willi-net.local
> Stack: corosync
> Current DC: NONE
> 4 Nodes configured
> 9 Resources configured
> 
> 
> OFFLINE: [ linsrv006 linsrv006.willi-net.local linsrv006.willi-net.local
> linsrv007 ]

Corosync knows even 4 nodes.
How many nodes do you have? What is their "uname -u"?
What does corosync-objctl say?
What happens if you stop corosync on all nodes and start it again?


Mit freundlichen Grüßen,

Michael Schwartzkopff

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