Ao executar pcs cluster setup haCluster debian1 debian2 ocorre o seguinte erro no debian :
root@debian1:~# pcs cluster setup haCluster debian1 debian2
Warning: Unable to read the known-hosts file: No such file or directory: '/var/lib/pcsd/known-hosts'
Error: Hosts 'debian1', 'debian2' are not known to pcs, try to authenticate the hosts using 'pcs host auth debian1 debian2' command
Error: None of hosts is known to pcs.
Error: At least 1 and at most 8 addresses must be specified for a node, 0 addresses specified for node 'debian1'
Error: At least 1 and at most 8 addresses must be specified for a node, 0 addresses specified for node 'debian2'
Error: Errors have occurred, therefore pcs is unable to continue
Solução para o erro “Error: Hosts ‘debian1’, ‘debian2’ are not known to pcs”
Esse erro pode ter algumas causas,
#1 você pode estar executando o comando sem sudo, isto é, sem as devidas permissões
sudo pcs cluster setup haCluster debian1 debian2
#2 você esqueceu de executar um dos comandos anteriores, como pcs cluster setup server01 server02. Nesse caso, destrua o cluster e refaça os passos
pcs cluster destroy
pcs cluster setup server01 server02
pcs cluster start --all
Dica:
Veja se configurou corretamente o arquivo /etc/hosts. Supondo que o server01 tem IP 10.10.5.2 e o server02 10.10.5.3, deixe o arquivo hosts assim:
127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4 ::1 localhost localhost.localdomain localhost6 localhost6.localdomain6 10.10.5.2 server01 10.10.5.3 server02