DM installation failed

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Original topic: dm安装不成功

| username: hindleyzeng

[TiDB Usage Environment] Production

DM installation failed, ports are open, and SSH tests are normal. The installation command is:
tiup dm deploy mysql2ob v6.3.0 ./dm_topology.yaml --user root -p

The error message is as follows:

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2
| username: hindleyzeng | Original post link

Error log:
2022-10-17T17:47:00.091+0800 ERROR CheckPoint {“host”: “10.0.40.47”, “port”: 22, “user”: “tidb”, “sudo”: true, “cmd”: “systemctl daemon-reload && systemctl enable dm-worker-5009.service”, “stdout”: “”, “stderr”: “”, “error”: “executor.ssh.execute_failed: Failed to execute command over SSH for ‘tidb@10.0.40.47:22’ {ssh_stderr: , ssh_stdout: , ssh_command: export LANG=C; PATH=$PATH:/bin:/sbin:/usr/bin:/usr/sbin /usr/bin/sudo -H bash -c "systemctl daemon-reload && systemctl enable dm-worker-5009.service"}, cause: ssh: handshake failed: read tcp 10.0.40.47:51204->10.0.40.47:22: read: connection reset by peer”, “errorVerbose”: “executor.ssh.execute_failed: Failed to execute command over SSH for ‘tidb@10.0.40.47:22’ {ssh_stderr: , ssh_stdout: , ssh_command: export LANG=C; PATH=$PATH:/bin:/sbin:/usr/bin:/usr/sbin /usr/bin/sudo -H bash -c "systemctl daemon-reload && systemctl enable dm-worker-5009.service"}, cause: ssh: handshake failed: read tcp 10.0.40.47:51204->10.0.40.47:22: read: connection reset by peer
at github.com/pingcap/tiup/pkg/cluster/executor.(*EasySSHExecutor).Execute()
\tgithub.com/pingcap/tiup/pkg/cluster/executor/ssh.go:174
at github.com/pingcap/tiup/pkg/cluster/executor.(*CheckPointExecutor).Execute()
\tgithub.com/pingcap/tiup/pkg/cluster/executor/checkpoint.go:86
at github.com/pingcap/tiup/pkg/cluster/module.(*SystemdModule).Execute()
\tgithub.com/pingcap/tiup/pkg/cluster/module/systemd.go:103
at github.com/pingcap/tiup/pkg/cluster/operation.systemctl()
\tgithub.com/pingcap/tiup/pkg/cluster/operation/action.go:423
at github.com/pingcap/tiup/pkg/cluster/operation.enableInstance()
\tgithub.com/pingcap/tiup/pkg/cluster/operation/action.go:386
at github.com/pingcap/tiup/pkg/cluster/operation.EnableComponent.func1()
\tgithub.com/pingcap/tiup/pkg/cluster/operation/action.go:479
at The Go Programming Language
\tgolang.org/x/sync@v0.0.0-20220819030929-7fc1605a5dde/errgroup/errgroup.go:75
at runtime.goexit()
\truntime/asm_amd64.s:1594”, “hash”: “1a4714d7146fa85240a1ff4ef7451df719e0b4f0”, “func”: “github.com/pingcap/tiup/pkg/cluster/executor.(*CheckPointExecutor).Execute”, “hit”: false}

3
| username: Billmay表妹 | Original post link

Refer to:

4
| username: Raymond | Original post link

Is sudo configured? Was it deployed by the tidb user? Manually execute the commands on the corresponding nodes using the deployment user and see what errors are reported?

5
| username: system | Original post link

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