[error][/usr/share/perl5/vendor_perl/MHA/SSHCheck.pm, ln63] Permission denied (publickey,gssapi-ke

在搭建mha时候，使用masterha_check_ssh脚本做三个节点之间 的ssh通信时候报如下错误：
主库： 192.168.0.60 master
备库1： 192.168.0.61 slave1
备库2： 192.168.0.62 slave2,同时把mha的管理节点放到了第二个slave上面

[root@manager mha_master]# masterha_check_ssh --global_conf=/etc/mha_master/mha.cnf --conf=/etc/mha_master/mha.cnf
Sun Sep 26 14:30:23 2021 - [info] Reading default configuration from /etc/mha_master/mha.cnf…
Sun Sep 26 14:30:23 2021 - [info] Reading application default configuration from /etc/mha_master/mha.cnf…
Sun Sep 26 14:30:23 2021 - [info] Reading server configuration from /etc/mha_master/mha.cnf…
Sun Sep 26 14:30:23 2021 - [info] Starting SSH connection tests…
Sun Sep 26 14:30:24 2021 - [error][/usr/share/perl5/vendor_perl/MHA/SSHCheck.pm, ln63]
Sun Sep 26 14:30:23 2021 - [debug] Connecting via SSH from mysql@192.168.0.60(192.168.0.60:22) to mysql@192.168.0.61(192.168.0.61:22)…
Permission denied (publickey,gssapi-keyex,gssapi-with-mic,password).
Sun Sep 26 14:30:24 2021 - [error][/usr/share/perl5/vendor_perl/MHA/SSHCheck.pm, ln111] SSH connection from mysql@192.168.0.60(192.168.0.60:22) to mysql@192.168.0.61(192.168.0.61:22) failed!
Sun Sep 26 14:30:24 2021 - [error][/usr/share/perl5/vendor_perl/MHA/SSHCheck.pm, ln63]
Sun Sep 26 14:30:24 2021 - [debug] Connecting via SSH from mysql@192.168.0.61(192.168.0.61:22) to mysql@192.168.0.60(192.168.0.60:22)…
Permission denied (publickey,gssapi-keyex,gssapi-with-mic,password).
Sun Sep 26 14:30:24 2021 - [error][/usr/share/perl5/vendor_perl/MHA/SSHCheck.pm, ln111] SSH connection from mysql@192.168.0.61(192.168.0.61:22) to mysql@192.168.0.60(192.168.0.60:22) failed!
Sun Sep 26 14:30:25 2021 - [error][/usr/share/perl5/vendor_perl/MHA/SSHCheck.pm, ln63]
Sun Sep 26 14:30:24 2021 - [debug] Connecting via SSH from mysql@192.168.0.62(192.168.0.62:22) to mysql@192.168.0.60(192.168.0.60:22)…
Permission denied (publickey,gssapi-keyex,gssapi-with-mic,password).
Sun Sep 26 14:30:25 2021 - [error][/usr/share/perl5/vendor_perl/MHA/SSHCheck.pm, ln111] SSH connection from mysql@192.168.0.62(192.168.0.62:22) to mysql@192.168.0.60(192.168.0.60:22) failed!
SSH Configuration Check Failed!
at /bin/masterha_check_ssh line 44.

解决方案如下：

手动检查三个节点之间ssh通信是否正常 ,使用 ssh node1 date这种格式，每个节点都执行三遍，注意要使用做ssh通信的用户，比如：我用mysql做的三个节点之间互信，那就要切换到mysql做检查，而不是root用户
[mysql@slave1 .ssh]$ ssh master date
Sun Sep 26 14:48:30 CST 2021
[mysql@slave1 .ssh]$ ssh slave1 date
Sun Sep 26 14:48:34 CST 2021
[mysql@slave1 .ssh]$ ssh manager date
Sun Sep 26 14:48:38 CST 2021

使用mysql用户执行互信脚本检查，检查都ok
检查脚本：
masterha_check_ssh --global_conf=/etc/mha_master/mha.cnf --conf=/etc/mha_master/mha.cnf
或者
masterha_check_ssh --conf=/etc/mha_master/mha.cnf

[mysql@manager .ssh]$ masterha_check_ssh --global_conf=/etc/mha_master/mha.cnf --conf=/etc/mha_master/mha.cnf
Sun Sep 26 14:29:30 2021 - [info] Reading default configuration from /etc/mha_master/mha.cnf…
Sun Sep 26 14:29:30 2021 - [info] Reading application default configuration from /etc/mha_master/mha.cnf…
Sun Sep 26 14:29:30 2021 - [info] Reading server configuration from /etc/mha_master/mha.cnf…
Sun Sep 26 14:29:30 2021 - [info] Starting SSH connection tests…
Sun Sep 26 14:29:31 2021 - [debug]
Sun Sep 26 14:29:30 2021 - [debug] Connecting via SSH from mysql@192.168.0.60(192.168.0.60:22) to mysql@192.168.0.61(192.168.0.61:22)…
Sun Sep 26 14:29:31 2021 - [debug] ok.
Sun Sep 26 14:29:31 2021 - [debug] Connecting via SSH from mysql@192.168.0.60(192.168.0.60:22) to mysql@192.168.0.62(192.168.0.62:22)…
Sun Sep 26 14:29:31 2021 - [debug] ok.
Sun Sep 26 14:29:32 2021 - [debug]
Sun Sep 26 14:29:31 2021 - [debug] Connecting via SSH from mysql@192.168.0.61(192.168.0.61:22) to mysql@192.168.0.60(192.168.0.60:22)…
Sun Sep 26 14:29:31 2021 - [debug] ok.
Sun Sep 26 14:29:31 2021 - [debug] Connecting via SSH from mysql@192.168.0.61(192.168.0.61:22) to mysql@192.168.0.62(192.168.0.62:22)…
Sun Sep 26 14:29:31 2021 - [debug] ok.
Sun Sep 26 14:29:33 2021 - [debug]
Sun Sep 26 14:29:31 2021 - [debug] Connecting via SSH from mysql@192.168.0.62(192.168.0.62:22) to mysql@192.168.0.60(192.168.0.60:22)…
Sun Sep 26 14:29:32 2021 - [debug] ok.
Sun Sep 26 14:29:32 2021 - [debug] Connecting via SSH from mysql@192.168.0.62(192.168.0.62:22) to mysql@192.168.0.61(192.168.0.61:22)…
Sun Sep 26 14:29:32 2021 - [debug] ok.
Sun Sep 26 14:29:33 2021 - [info] All SSH connection tests passed successfully.