[Bug]: start failed if the pid file exists

[hnwyllmm]

Describe the bug

If the pid file exists, restart will be failed.

Environment

Ubuntu 23

Fast reproduce steps

Please refer to oceanbase/oceanbase#1792 (comment) for details.

Expected behavior

No response

Actual behavior

No response

Additional context

No response

[gys-git]

How can this issue be reproduced? I was unable to reproduce it using OBD 2.9.2.

[longdafeng]

close this issue, if you have any question, please raise a new issue.