錯誤信息：
/usr/lib/ruby/gems/1.8/gems/redis-3.0.0/lib/redis/client.rb:79:in `call': ERR Slot 15495 is already busy (Redis::CommandError)
from /usr/lib/ruby/gems/1.8/gems/redis-3.0.0/lib/redis.rb:2190:in `method_missing'
from /usr/lib/ruby/gems/1.8/gems/redis-3.0.0/lib/redis.rb:36:in `synchronize'
from /usr/lib/ruby/1.8/monitor.rb:242:in `mon_synchronize'
from /usr/lib/ruby/gems/1.8/gems/redis-3.0.0/lib/redis.rb:36:in `synchronize'
from /usr/lib/ruby/gems/1.8/gems/redis-3.0.0/lib/redis.rb:2189:in `method_missing'
from ./redis-trib.rb:205:in `flush_node_config'
from ./redis-trib.rb:657:in `flush_nodes_config'
from ./redis-trib.rb:656:in `each'
from ./redis-trib.rb:656:in `flush_nodes_config'
from ./redis-trib.rb:997:in `create_cluster_cmd'
from ./redis-trib.rb:1373:in `send'
from ./redis-trib.rb:1373
今天在一個虛擬機里面安裝了6台redis服務打算搭建一個模擬redis集群，ip都是一樣的，使用的是7001~7006端口，不過呢，前期檢查都是正常的，當我運行rb，點擊yes后就報了上面的錯誤了，查過網上不少資料，都沒能解決這個問題，后來發現了，原因：
和nodes-conf文件有關，只要把全部的redis目錄下的nodes-conf刪除，打開redis.conf把# cluster-config-file nodes-6379.conf的#號放開，再次進行集群搭建就能成功了！
總結：nodes.conf文件不能設置成相同的名字