2.10. Criação de um cluster

Procedimento

1. Em um dos nós, digite o seguinte comando para autenticar o usuário do pcs hacluster. No comando, especifique o nome de cada nó do cluster.

   # pcs host auth  hostname1 hostname2 hostname3
   Username: hacluster
   Password:
   hostname1: Authorized
   hostname2: Authorized
   hostname3: Authorized

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   Exemplo:

   [root@node01 clouduser]# pcs host auth node01 node02 node03
   Username: hacluster
   Password:
   node01: Authorized
   node02: Authorized
   node03: Authorized

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2. Criar o conjunto.

   # pcs cluster setup cluster-name hostname1 hostname2 hostname3

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   Exemplo:

   [root@node01 clouduser]# pcs cluster setup --name newcluster node01 node02 node03
   
   ...omitted
   
   Synchronizing pcsd certificates on nodes node01, node02, node03...
   node02: Success
   node03: Success
   node01: Success
   Restarting pcsd on the nodes in order to reload the certificates...
   node02: Success
   node03: Success
   node01: Success

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Etapas de verificação

1. Habilite o conjunto.

   [root@node01 clouduser]# pcs cluster enable --tudo

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2. Comece o agrupamento.

   [root@node01 clouduser]# pcs cluster start --tudo

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   Exemplo:

   [root@node01 clouduser]# pcs cluster enable --all
   node02: Cluster Enabled
   node03: Cluster Enabled
   node01: Cluster Enabled
   
   [root@node01 clouduser]# pcs cluster start --all
   node02: Starting Cluster...
   node03: Starting Cluster...
   node01: Starting Cluster...

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