【 TiDB 使用环境】：生产环境
【概述】通过tiup cluster scale-out 部署tiflash的时候报错：Failed to execute command over SSH，在开始部署之前由于忘记了tidb用户的密码，所有的机器上都重置过密码，而且重新配置了中控机到其他机器的免密登录。现在不仅不能部署tiflash，而且通过tiup cluster 命令管理集群也报同样的错误。
【背景】确认过免密登录正常，在中控机上远程执行命令也正常
【现象】部署tiflash报错
【业务影响】无
【TiDB 版本】v4.0.9
【附件】
【报错信息】
[tidb@goldlion-pord-tidb1 ~]$ tiup cluster scale-out tidb-cluster ./tiflash-scale-out.yaml
Starting component cluster: /home/tidb/.tiup/components/cluster/v1.9.2/tiup-cluster scale-out tidb-cluster ./tiflash-scale-out.yaml
- Detect CPU Arch
- Detecting node 10.0.1.121 … Done
Please confirm your topology:
Cluster type: tidb
Cluster name: tidb-cluster
Cluster version: v4.0.9
Role Host Ports OS/Arch Directories
- Detecting node 10.0.1.121 … Done
tiflash 10.0.1.121 9000/8123/3930/20170/20292/8234 linux/x86_64 /data/tidb_deploy/tiflash-9000,/data/tidb_data/tiflash-9000
Attention:
1. If the topology is not what you expected, check your yaml file.
2. Please confirm there is no port/directory conflicts in same host.
Do you want to continue? [y/N]: (default=N) y
- [ Serial ] - SSHKeySet: privateKey=/home/tidb/.tiup/storage/cluster/clusters/tidb-cluster/ssh/id_rsa, publicKey=/home/tidb/.tiup/storage/cluster/clusters/tidb-cluster/ssh/id_rsa.pub
- [Parallel] - UserSSH: user=tidb, host=10.0.1.118
- [Parallel] - UserSSH: user=tidb, host=10.0.1.119
- [Parallel] - UserSSH: user=tidb, host=10.0.1.119
- [Parallel] - UserSSH: user=tidb, host=10.0.1.118
- [Parallel] - UserSSH: user=tidb, host=10.0.1.120
- [Parallel] - UserSSH: user=tidb, host=10.0.1.117
- [Parallel] - UserSSH: user=tidb, host=10.0.1.117
- [Parallel] - UserSSH: user=tidb, host=10.0.1.120
- [Parallel] - UserSSH: user=tidb, host=10.0.1.120
- [Parallel] - UserSSH: user=tidb, host=10.0.1.120
- [Parallel] - UserSSH: user=tidb, host=10.0.1.120
- [Parallel] - UserSSH: user=tidb, host=10.0.1.119
- [Parallel] - UserSSH: user=tidb, host=10.0.1.117
- [Parallel] - UserSSH: user=tidb, host=10.0.1.118
- [Parallel] - UserSSH: user=tidb, host=10.0.1.121
- Download TiDB components
- Download tiflash:v4.0.9 (linux/amd64) … Done
- Initialize target host environments
- Deploy TiDB instance
- Deploy instance tiflash -> 10.0.1.121:9000 … Error
Error: executor.ssh.execute_failed: Failed to execute command over SSH for ‘tidb@10.0.1.121:22’ {ssh_stderr: , ssh_stdout: , ssh_command: export LANG=C; PATH=$PATH:/bin:/sbin:/usr/bin:/usr/sbin /usr/bin/sudo -H bash -c “test -d /data || (mkdir -p /data && chown tidb:$(id -g -n tidb) /data)”}, cause: ssh: handshake failed: ssh: unable to authenticate, attempted methods [none publickey], no supported methods remain
Verbose debug logs has been written to /home/tidb/.tiup/logs/tiup-cluster-debug-2022-03-17-17-13-02.log.
Error: run /home/tidb/.tiup/components/cluster/v1.9.2/tiup-cluster (wd:/home/tidb/.tiup/data/T0KPEjP) failed: exit status 1
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