[ClusterLabs] split brain cluster

emmanuel segura emi2fast at gmail.com
Mon Nov 16 08:57:52 EST 2015


you configured the stonith?

2015-11-16 14:43 GMT+01:00 Richard Korsten <richard at rkorsten.nl>:
> Hello Cluster guru's.
>
> I'm having a bit of trouble with a cluster of ours. After an outage of 1
> node it went into a split brain situation where both nodes aren't talking to
> each other. Both say the other node is offline. I've tried to get them both
> up and running again by stopping and starting the cluster services on both
> nodes, one at a time. with out luck.
>
> I've been trying to reproduce the problem with a set of test servers but i
> can't seem to get it in the same state.
>
> Because of this i'm looking for some help because i'm not that known with
> pacemaker/corosync.
>
> this is the output of the command pcs status:
> Cluster name: MXloadbalancer
> Last updated: Mon Nov 16 10:18:44 2015
> Last change: Fri Nov 6 15:35:22 2015
> Stack: corosync
> Current DC: bckilb01 (1) - partition WITHOUT quorum
> Version: 1.1.12-a14efad
> 2 Nodes configured
> 3 Resources configured
>
> Online: [ bckilb01 ]
> OFFLINE: [ bckilb02 ]
>
> Full list of resources:
>  haproxy (systemd:haproxy): Stopped
>
> Resource Group: MXVIP
> ip-192.168.250.200 (ocf::heartbeat:IPaddr2): Stopped
> ip-192.168.250.201 (ocf::heartbeat:IPaddr2): Stopped
>
> PCSD Status:
> bckilb01: Online
> bckilb02: Online
>
> Daemon Status:
> corosync: active/enabled
> pacemaker: active/enabled
> pcsd: active/enabled
>
>
> And the config:
> totem {
> version: 2
> secauth: off
> cluster_name: MXloadbalancer
> transport: udpu }
>
> nodelist {
> node { ring0_addr: bckilb01 nodeid: 1 }
> node { ring0_addr: bckilb02 nodeid: 2 } }
> quorum { provider: corosync_votequorum two_node: 1 }
> logging { to_syslog: yes }
>
> If any has an idea about how to get them working together again please let
> me know.
>
> Greetings Richard
>
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