[ClusterLabs] Galera 10.1 cluster

[Hao QingFeng]

在 2017-01-06 18:27, Oscar Segarra 写道:
> Hi, I get errors like the following:
>
> 017-01-06 11:25:47 139902389713152 [ERROR] WSREP: failed to open gcomm 
> backend connection: 131: invalid UUID: 00000000 (FATAL)
>          at gcomm/src/pc.cpp:PC():267
> 2017-01-06 11:25:47 139902389713152 [ERROR] WSREP: 
> gcs/src/gcs_core.cpp:gcs_core_open():208: Failed to open backend 
> connection: -131 (State not recoverable)
> 2017-01-06 11:25:47 139902389713152 [ERROR] WSREP: 
> gcs/src/gcs.cpp:gcs_open():1380: Failed to open channel 
> 'vdic-galera-cluster' at 
> 'gcomm://vdicdb01-priv,vdicdb02-priv,vdicdb03-priv': -131 (State not 
> recoverable)
> 2017-01-06 11:25:47 139902389713152 [ERROR] WSREP: gcs connect failed: 
> State not recoverable
> 2017-01-06 11:25:47 139902389713152 [ERROR] WSREP: 
> wsrep::connect(gcomm://vdicdb01-priv,vdicdb02-priv,vdicdb03-priv) 
> failed: 7
> 2017-01-06 11:25:47 139902389713152 [ERROR] Aborting
>
> Of  course, three nodes are started up!
>
I am not sure what kind of cluster you used in your env, galera cluster 
for mysql or MariaDB galera cluster? how did you configure and start the 
galera cluster?
I set MariaDB galera cluster up successfully before. And here is my 
understanding on the notes:
After installed and configured,
1. Start the first node with galera_new_cluster, but the left nodes use 
service mysql start.
2. Turn on the firewall's ports accordingly on each node.
http://docs.openstack.org/ha-guide/shared-database-configure.html

For debug purpose, you can comment out the nodes in gcomm and change it 
to be "wsrep_cluster_address=gcomm://", then try to start it and the 
wsrep_cluster_size
should be 1 if successfully.
Reflink:
https://mariadb.com/kb/en/mariadb/getting-started-with-mariadb-galera-cluster/
Thanks
QingFeng Hao

> Thanks a lot.
>
> 2017-01-06 11:14 GMT+01:00 Oscar Segarra <oscar.segarra at gmail.com 
> <mailto:oscar.segarra at gmail.com>>:
>
>     Hi,
>
>     In my environment I'm not able to bootstrap the cluster after a
>     crash and I thought it could be a configuration problem at cluster
>     level and I wanted to know if anybody has been able to configure it.
>
>     Thanks a lot.
>
>     2017-01-06 9:34 GMT+01:00 Damien Ciabrini <dciabrin at redhat.com
>     <mailto:dciabrin at redhat.com>>:
>
>         Hey Oscar,
>
>         ----- Original Message -----
>         > Hi,
>         >
>         > Anybody has been able to set up a Galera cluster with the
>         latest available
>         > version of Galera?
>         >
>         > Can anybody paste the configuration?
>         >
>         > I have tested it but I have not been able to make it run
>         resiliently.
>         >
>         Can you be more specific on why it wouldn't run "resiliently"?
>         I just saw you've asked question on codership group re.
>         bootstrapping the
>         cluster, is it related?
>
>         > Any help will be welcome!
>         >
>         > Thanks a lot.
>         >
>         >
>         >
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-- 
QingFeng Hao(Robin)

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