Error: failed to start tiflash: failed to start: 192.168.9.15 tiflash-9000.service, please check the instance's log(/opt/TiDB/tidb-deploy/tiflash-9000/log) for more detail.: timed out waiting for port 9000 to be started after 2m0s

可以开放端口,保证端口能正常通信就行