我在 Ubuntu 14 LTS 上安装了 MemSQL 的单个服务器集群。我无法连接到端口 3306 上的 memsql,但集群在端口 9000 上运行。看起来叶子已关闭。当我尝试将 memsql 升级到 4.0.1 版时,我收到了这个错误:-
Starting MemSQL Upgrade
Currently on state OfflineClusterUpgrade.Init
Currently on state OfflineClusterUpgrade.SnapshottingDatabases
Currently on state OfflineClusterUpgrade.OfflineClusterUpgradeFail
MemSQL node 8D84F89D6716F03A44EACB9E3AF6565FA76B9DE9 failed to upgrade: Could not connect to MemSQL node 8D84F89D6716F03A44EACB9E3AF6565FA76B9DE9. Is the MemSQL node online?
我该怎么做才能重新启动 MemSql?