install_driver(mysql) failed: Attempt to reload DBD/mysql.pm aborted.

执行 pt-table-checksum 报错
01-14T09:48:20 install_driver(mysql) failed: Attempt to reload DBD/mysql.pm aborted.
Compilation failed in require at (eval 25) line 3.

经过模拟，原因可能是卸载了mariadb-libs

rpm -qa |grep mariadb
mariadb-libs-5.5.44-2.el7.x86_64
rpm -e mariadb-libs-5.5.44-2.el7.x86_64 --nodeps

[[email protected] ~]# yum -y install mariadb-libs-5.5.44-2.el7.x86_64
Loaded plugins: langpacks, product-id, search-disabled-repos, subscription-manager
This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register.
rhel-media                                                                                                             | 4.1 kB  00:00:00     
Resolving Dependencies
--> Running transaction check
---> Package mariadb-libs.x86_64 1:5.5.44-2.el7 will be installed
--> Finished Dependency Resolution

Dependencies Resolved

==============================================================================================================================================
 Package                            Arch                         Version                               Repository                        Size
==============================================================================================================================================
Installing:
 mariadb-libs                       x86_64                       1:5.5.44-2.el7                        rhel-media                       754 k

Transaction Summary
==============================================================================================================================================
Install  1 Package

Total download size: 754 k
Installed size: 4.4 M
Downloading packages:
mariadb-libs-5.5.44-2.el7.x86_64.rpm                                                                                   | 754 kB  00:00:00     
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
Warning: RPMDB altered outside of yum.
** Found 5 pre-existing rpmdb problem(s), 'yum check' output follows:
libkkc-0.3.1-8.el7.x86_64 has missing requires of libmarisa.so.0()(64bit)
perl-DBD-MySQL-4.023-5.el7.x86_64 has missing requires of libmysqlclient.so.18()(64bit)
perl-DBD-MySQL-4.023-5.el7.x86_64 has missing requires of libmysqlclient.so.18(libmysqlclient_18)(64bit)
2:postfix-2.10.1-6.el7.x86_64 has missing requires of libmysqlclient.so.18()(64bit)
2:postfix-2.10.1-6.el7.x86_64 has missing requires of libmysqlclient.so.18(libmysqlclient_18)(64bit)
  Installing : 1:mariadb-libs-5.5.44-2.el7.x86_64                                                                                         1/1 
  Verifying  : 1:mariadb-libs-5.5.44-2.el7.x86_64                                                                                         1/1 

Installed:
  mariadb-libs.x86_64 1:5.5.44-2.el7                                                                                                          

Complete!

故障解决