[MySQL] CentOS7安装percona-xtrabackup时/etc/my.cnf冲突报错解决
环境：
CentOS7.3 + mysql-community-5.7
[root@mysql-02 ~]# cat /etc/redhat-release
CentOS Linux release 7.3.1611 (Core)
[root@mysql-lh02 ~]# rpm -qa | grep -i mysql
perl-DBD-MySQL-4.023-5.el7.x86_64
mysql-community-client-5.7.19-1.el7.x86_64
mysql-community-libs-compat-5.7.19-1.el7.x86_64
mysql-community-common-5.7.19-1.el7.x86_64
mysql-community-server-5.7.19-1.el7.x86_64
[root@mysql-02 ~]#
安装percona-xtrabackup时冲突报错
[root@mysql-02 ~]# yum install http://www.percona.com/downloads/percona-release/redhat/0.1-4/percona-release-0.1-4.noarch.rpm
[root@mysql-lh02 ~]# yum list | grep percona-xtrabackup
percona-xtrabackup.x86_64 2.3.9-1.el7 percona-release-x86_64
percona-xtrabackup-22.x86_64 2.2.13-1.el7 percona-release-x86_64
percona-xtrabackup-22-debuginfo.x86_64 2.2.13-1.el7 percona-release-x86_64
percona-xtrabackup-24.x86_64 2.4.8-1.el7 percona-release-x86_64
percona-xtrabackup-24-debuginfo.x86_64 2.4.8-1.el7 percona-release-x86_64
percona-xtrabackup-debuginfo.x86_64 2.3.9-1.el7 percona-release-x86_64
percona-xtrabackup-test.x86_64 2.3.9-1.el7 percona-release-x86_64
percona-xtrabackup-test-22.x86_64 2.2.13-1.el7 percona-release-x86_64
percona-xtrabackup-test-24.x86_64 2.4.8-1.el7 percona-release-x86_64
[root@mysql-02 ~]# yum install percona-xtrabackup-24
Loaded plugins: fastestmirror, langpacks
Loading mirror speeds from cached hostfile
Resolving Dependencies
--> Running transaction check
---> Package percona-xtrabackup-24.x86_64 0:2.4.8-1.el7 will be installed
--> Processing Dependency: perl(DBD::mysql) for package: percona-xtrabackup-24-2.4.8-1.el7.x86_64
--> Processing Dependency: libev.so.4()(64bit) for package: percona-xtrabackup-24-2.4.8-1.el7.x86_64
--> Running transaction check
---> Package libev.x86_64 0:4.15-7.el7 will be installed
---> Package perl-DBD-MySQL.x86_64 0:4.023-5.el7 will be installed
--> Processing Dependency: libmysqlclient.so.18(libmysqlclient_18)(64bit) for package: perl-DBD-MySQL-4.023-5.el7.x86_64
--> Processing Dependency: libmysqlclient.so.18()(64bit) for package: perl-DBD-MySQL-4.023-5.el7.x86_64
--> Running transaction check
---> Package Percona-Server-shared-56.x86_64 0:5.6.37-rel82.2.el7 will be installed
--> Finished Dependency Resolution
Dependencies Resolved
=============================================================================================
Package Arch Version Repository Size
=============================================================================================
Installing:
percona-xtrabackup-24 x86_64 2.4.8-1.el7 percona-release-x86_64 7.4 M
Installing for dependencies:
Percona-Server-shared-56 x86_64 5.6.37-rel82.2.el7 percona-release-x86_64 618 k
libev x86_64 4.15-7.el7 extras 44 k
perl-DBD-MySQL x86_64 4.023-5.el7 base 140 k
Transaction Summary
=============================================================================================
Install 1 Package (+3 Dependent packages)
Total download size: 8.1 M
Installed size: 35 M
Is this ok [y/d/N]: y
Downloading packages:
(1/4): libev-4.15-7.el7.x86_64.rpm | 44 kB 00:00:02
(2/4): perl-DBD-MySQL-4.023-5.el7.x86_64.rpm | 140 kB 00:00:02
warning: /var/cache/yum/x86_64/7/percona-release-x86_64/packages/Percona-Server-shared-56-5.6.37-rel82.2.el7.x86_64.rpm: Header V4 DSA/SHA1 Signature, key ID cd2efd2a: NOKEY
Public key for Percona-Server-shared-56-5.6.37-rel82.2.el7.x86_64.rpm is not installed
(3/4): Percona-Server-shared-56-5.6.37-rel82.2.el7.x86_64.rpm | 618 kB 00:00:05
(4/4): percona-xtrabackup-24-2.4.8-1.el7.x86_64.rpm | 7.4 MB 00:00:33
---------------------------------------------------------------------------------------------
Total 250 kB/s | 8.1 MB 00:00:33
Retrieving key from file:///etc/pki/rpm-gpg/RPM-GPG-KEY-Percona
Importing GPG key 0xCD2EFD2A:
Userid : "Percona MySQL Development Team "
Fingerprint: 430b df5c 56e7 c94e 848e e60c 1c4c bdcd cd2e fd2a
Package : percona-release-0.1-4.noarch (installed)
From : /etc/pki/rpm-gpg/RPM-GPG-KEY-Percona
Is this ok [y/N]: y
Running transaction check
Running transaction test
Transaction check error:
file /etc/my.cnf from install of Percona-Server-shared-56-5.6.37-rel82.2.el7.x86_64 conflicts with file from package mysql-community-server-5.7.19-1.el7.x86_64
Error Summary
-------------
[root@mysql-02 ~]#
解决办法：
补充安装
[root@mysql-02 ~]# rpm -ivh mysql-community-libs-compat-5.7.19-1.el7.x86_64.rpm
Preparing... ################################# [100%]
Updating / installing...
1:mysql-community-libs-compat-5.7.1################################# [100%]
[root@mysql-02 ~]#然后再次安装percona-xtrabackup成功
[root@mysql-02 ~]# yum install percona-xtrabackup-24
Loaded plugins: fastestmirror, langpacks
Loading mirror speeds from cached hostfile
Resolving Dependencies
--> Running transaction check
---> Package percona-xtrabackup-24.x86_64 0:2.4.8-1.el7 will be installed
--> Processing Dependency: perl(DBD::mysql) for package: percona-xtrabackup-24-2.4.8-1.el7.x86
--> Processing Dependency: libev.so.4()(64bit) for package: percona-xtrabackup-24-2.4.8-1.el7._64
--> Running transaction check
---> Package libev.x86_64 0:4.15-7.el7 will be installed
---> Package perl-DBD-MySQL.x86_64 0:4.023-5.el7 will be installed
--> Finished Dependency Resolution
Dependencies Resolved
==============================================================================================
Package Arch Version Repository Si
==============================================================================================
Installing:
percona-xtrabackup-24 x86_64 2.4.8-1.el7 percona-release-x86_64 7.4
Installing for dependencies:
libev x86_64 4.15-7.el7 extras 44
perl-DBD-MySQL x86_64 4.023-5.el7 base 140
Transaction Summary
==============================================================================================
Install 1 Package (+2 Dependent packages)
Total size: 7.5 M
Installed size: 31 M
Is this ok [y/d/N]: y
Downloading packages:
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
Warning: RPMDB altered outside of yum.
** Found 3 pre-existing rpmdb problem(s), 'yum check' output follows:
ipa-client-4.4.0-12.el7.centos.x86_64 has installed conflicts freeipa-client: ipa-client-4.4.0.el7.centos.x86_64
ipa-client-common-4.4.0-12.el7.centos.noarch has installed conflicts freeipa-client-common: iplient-common-4.4.0-12.el7.centos.noarch
ipa-common-4.4.0-12.el7.centos.noarch has installed conflicts freeipa-common: ipa-common-4.4.0.el7.centos.noarch
Installing : libev-4.15-7.el7.x86_64 1
Installing : perl-DBD-MySQL-4.023-5.el7.x86_64 2
Installing : percona-xtrabackup-24-2.4.8-1.el7.x86_64 3
Verifying : perl-DBD-MySQL-4.023-5.el7.x86_64 1
Verifying : percona-xtrabackup-24-2.4.8-1.el7.x86_64 2
Verifying : libev-4.15-7.el7.x86_64 3
Installed:
percona-xtrabackup-24.x86_64 0:2.4.8-1.el7
Dependency Installed:
libev.x86_64 0:4.15-7.el7 perl-DBD-MySQL.x86_64 0:4.023-5.el7
Complete!
[root@mysql-02 ~]#