本篇为测试过程，总结文章将请看下一个篇，具体过程如下：
[root@es2 ~]# yum -y install mysql-community-* 已加载插件：fastestmirror 正在检查 mysql-community-client-8.0.17-1.el7.x86_64.rpm: mysql-community-client-8.0.17-1.el7.x86_64 mysql-community-client-8.0.17-1.el7.x86_64.rpm 将被安装 正在检查 mysql-community-common-8.0.17-1.el7.x86_64.rpm: mysql-community-common-8.0.17-1.el7.x86_64 mysql-community-common-8.0.17-1.el7.x86_64.rpm 将被安装 正在检查 mysql-community-devel-8.0.17-1.el7.x86_64.rpm: mysql-community-devel-8.0.17-1.el7.x86_64 mysql-community-devel-8.0.17-1.el7.x86_64.rpm 将被安装 正在检查 mysql-community-libs-8.0.17-1.el7.x86_64.rpm: mysql-community-libs-8.0.17-1.el7.x86_64 mysql-community-libs-8.0.17-1.el7.x86_64.rpm 将被安装 正在检查 mysql-community-libs-compat-8.0.17-1.el7.x86_64.rpm: mysql-community-libs-compat-8.0.17-1.el7.x86_64 mysql-community-libs-compat-8.0.17-1.el7.x86_64.rpm 将被安装 正在检查 mysql-community-server-8.0.17-1.el7.x86_64.rpm: mysql-community-server-8.0.17-1.el7.x86_64 mysql-community-server-8.0.17-1.el7.x86_64.rpm 将被安装 正在解决依赖关系 --> 正在检查事务 ---> 软件包 mariadb-libs.x86_64.1.5.5.60-1.el7_5 将被 取代 ---> 软件包 mysql-community-client.x86_64.0.8.0.17-1.el7 将被 安装 ---> 软件包 mysql-community-common.x86_64.0.8.0.17-1.el7 将被 安装 ---> 软件包 mysql-community-devel.x86_64.0.8.0.17-1.el7 将被 安装 --> 正在处理依赖关系 pkgconfig(openssl)，它被软件包 mysql-community-devel-8.0.17-1.el7.x86_64 需要 Determining fastest mirrors epel/x86_64/metalink | 7.2 kB 00:00:00 * base: mirrors.tuna.tsinghua.edu.cn * epel: mirrors.tuna.tsinghua.edu.cn * extras: mirrors.tuna.tsinghua.edu.cn * updates: mirrors.huaweicloud.com base | 3.6 kB 00:00:00 epel | 5.4 kB 00:00:00 extras | 3.4 kB 00:00:00 updates | 3.4 kB 00:00:00 epel/x86_64/primary_db FAILED http://fedora.cs.nctu.edu.tw/epel/7/x86_64/repodata/4a7d82b70bc90863a6b385eba39ccba096dabc9d26ccf8e1917539f2d02dc6b9-primary.sqlite.bz2: [Errno 14] HTTP Error 404 - Not Found 正在尝试其它镜像。 To address this issue please refer to the below wiki article https://wiki.centos.org/yum-errors If above article doesn't help to resolve this issue please use https://bugs.centos.org/. (1/3): epel/x86_64/group_gz | 88 kB 00:00:00 (2/3): epel/x86_64/updateinfo | 998 kB 00:00:10 (3/3): epel/x86_64/primary_db | 6.8 MB 00:00:21 ---> 软件包 mysql-community-libs.x86_64.0.8.0.17-1.el7 将被 舍弃 ---> 软件包 mysql-community-libs-compat.x86_64.0.8.0.17-1.el7 将被 舍弃 ---> 软件包 mysql-community-server.x86_64.0.8.0.17-1.el7 将被 安装 --> 正在检查事务 ---> 软件包 openssl-devel.x86_64.1.1.0.2k-16.el7_6.1 将被 安装 --> 正在处理依赖关系 openssl-libs(x86-64) = 1:1.0.2k-16.el7_6.1，它被软件包 1:openssl-devel-1.0.2k-16.el7_6.1.x86_64 需要 --> 正在处理依赖关系 zlib-devel(x86-64)，它被软件包 1:openssl-devel-1.0.2k-16.el7_6.1.x86_64 需要 --> 正在处理依赖关系 krb5-devel(x86-64)，它被软件包 1:openssl-devel-1.0.2k-16.el7_6.1.x86_64 需要 --> 正在检查事务 ---> 软件包 krb5-devel.x86_64.0.1.15.1-37.el7_6 将被 安装 --> 正在处理依赖关系 libkadm5(x86-64) = 1.15.1-37.el7_6，它被软件包 krb5-devel-1.15.1-37.el7_6.x86_64 需要 --> 正在处理依赖关系 krb5-libs(x86-64) = 1.15.1-37.el7_6，它被软件包 krb5-devel-1.15.1-37.el7_6.x86_64 需要 --> 正在处理依赖关系 libverto-devel，它被软件包 krb5-devel-1.15.1-37.el7_6.x86_64 需要 --> 正在处理依赖关系 libselinux-devel，它被软件包 krb5-devel-1.15.1-37.el7_6.x86_64 需要 --> 正在处理依赖关系 libcom_err-devel，它被软件包 krb5-devel-1.15.1-37.el7_6.x86_64 需要 --> 正在处理依赖关系 keyutils-libs-devel，它被软件包 krb5-devel-1.15.1-37.el7_6.x86_64 需要 ---> 软件包 openssl-libs.x86_64.1.1.0.2k-16.el7 将被 升级 --> 正在处理依赖关系 openssl-libs(x86-64) = 1:1.0.2k-16.el7，它被软件包 1:openssl-1.0.2k-16.el7.x86_64 需要 ---> 软件包 openssl-libs.x86_64.1.1.0.2k-16.el7_6.1 将被 更新 ---> 软件包 zlib-devel.x86_64.0.1.2.7-18.el7 将被 安装 --> 正在检查事务 ---> 软件包 keyutils-libs-devel.x86_64.0.1.5.8-3.el7 将被 安装 ---> 软件包 krb5-libs.x86_64.0.1.15.1-34.el7 将被 升级 ---> 软件包 krb5-libs.x86_64.0.1.15.1-37.el7_6 将被 更新 ---> 软件包 libcom_err-devel.x86_64.0.1.42.9-13.el7 将被 安装 ---> 软件包 libkadm5.x86_64.0.1.15.1-37.el7_6 将被 安装 ---> 软件包 libselinux-devel.x86_64.0.2.5-14.1.el7 将被 安装 --> 正在处理依赖关系 libsepol-devel(x86-64) >= 2.5-10，它被软件包 libselinux-devel-2.5-14.1.el7.x86_64 需要 --> 正在处理依赖关系 pkgconfig(libsepol)，它被软件包 libselinux-devel-2.5-14.1.el7.x86_64 需要 --> 正在处理依赖关系 pkgconfig(libpcre)，它被软件包 libselinux-devel-2.5-14.1.el7.x86_64 需要 ---> 软件包 libverto-devel.x86_64.0.0.2.5-4.el7 将被 安装 ---> 软件包 openssl.x86_64.1.1.0.2k-16.el7 将被 升级 ---> 软件包 openssl.x86_64.1.1.0.2k-16.el7_6.1 将被 更新 --> 正在检查事务 ---> 软件包 libsepol-devel.x86_64.0.2.5-10.el7 将被 安装 ---> 软件包 pcre-devel.x86_64.0.8.32-17.el7 将被 安装 --> 解决依赖关系完成 依赖关系解决 ==================================================================================================================================================================== Package 架构 版本 源 大小 ==================================================================================================================================================================== 正在安装: mysql-community-client x86_64 8.0.17-1.el7 /mysql-community-client-8.0.17-1.el7.x86_64 146 M mysql-community-common x86_64 8.0.17-1.el7 /mysql-community-common-8.0.17-1.el7.x86_64 8.3 M mysql-community-devel x86_64 8.0.17-1.el7 /mysql-community-devel-8.0.17-1.el7.x86_64 34 M mysql-community-libs x86_64 8.0.17-1.el7 /mysql-community-libs-8.0.17-1.el7.x86_64 14 M 替换 mariadb-libs.x86_64 1:5.5.60-1.el7_5 mysql-community-libs-compat x86_64 8.0.17-1.el7 /mysql-community-libs-compat-8.0.17-1.el7.x86_64 9.5 M 替换 mariadb-libs.x86_64 1:5.5.60-1.el7_5 mysql-community-server x86_64 8.0.17-1.el7 /mysql-community-server-8.0.17-1.el7.x86_64 1.8 G 为依赖而安装: keyutils-libs-devel x86_64 1.5.8-3.el7 base 37 k krb5-devel x86_64 1.15.1-37.el7_6 updates 271 k libcom_err-devel x86_64 1.42.9-13.el7 base 31 k libkadm5 x86_64 1.15.1-37.el7_6 updates 178 k libselinux-devel x86_64 2.5-14.1.el7 base 187 k libsepol-devel x86_64 2.5-10.el7 base 77 k libverto-devel x86_64 0.2.5-4.el7 base 12 k openssl-devel x86_64 1:1.0.2k-16.el7_6.1 updates 1.5 M pcre-devel x86_64 8.32-17.el7 base 480 k zlib-devel x86_64 1.2.7-18.el7 base 50 k 为依赖而更新: krb5-libs x86_64 1.15.1-37.el7_6 updates 803 k openssl x86_64 1:1.0.2k-16.el7_6.1 updates 493 k openssl-libs x86_64 1:1.0.2k-16.el7_6.1 updates 1.2 M 事务概要 ==================================================================================================================================================================== 安装 6 软件包 (+10 依赖软件包) 升级 ( 3 依赖软件包) 总计：2.0 G 总下载量：5.3 M Downloading packages: Delta RPMs disabled because /usr/bin/applydeltarpm not installed. (1/13): keyutils-libs-devel-1.5.8-3.el7.x86_64.rpm | 37 kB 00:00:00 (2/13): libcom_err-devel-1.42.9-13.el7.x86_64.rpm | 31 kB 00:00:00 (3/13): libsepol-devel-2.5-10.el7.x86_64.rpm | 77 kB 00:00:00 (4/13): krb5-devel-1.15.1-37.el7_6.x86_64.rpm | 271 kB 00:00:02 (5/13): libselinux-devel-2.5-14.1.el7.x86_64.rpm | 187 kB 00:00:01 (6/13): krb5-libs-1.15.1-37.el7_6.x86_64.rpm | 803 kB 00:00:04 (7/13): openssl-libs-1.0.2k-16.el7_6.1.x86_64.rpm | 1.2 MB 00:00:03 (8/13): pcre-devel-8.32-17.el7.x86_64.rpm | 480 kB 00:00:02 (9/13): zlib-devel-1.2.7-18.el7.x86_64.rpm | 50 kB 00:00:00 (10/13): openssl-devel-1.0.2k-16.el7_6.1.x86_64.rpm | 1.5 MB 00:00:07 (11/13): libverto-devel-0.2.5-4.el7.x86_64.rpm | 12 kB 00:00:27 (12/13): libkadm5-1.15.1-37.el7_6.x86_64.rpm | 178 kB 00:00:30 openssl-1.0.2k-16.el7_6.1.x86_ FAILED http://mirrors.163.com/centos/7.6.1810/updates/x86_64/Packages/openssl-1.0.2k-16.el7_6.1.x86_64.rpm: [Errno 12] Timeout on http://mirrors.163.com/centos/7.6.1810/updates/x86_64/Packages/openssl-1.0.2k-16.el7_6.1.x86_64.rpm: (28, 'Operation too slow. Less than 1000 bytes/sec transferred the last 30 seconds') 正在尝试其它镜像。 (13/13): openssl-1.0.2k-16.el7_6.1.x86_64.rpm | 493 kB 00:00:10 -------------------------------------------------------------------------------------------------------------------------------------------------------------------- 总计 123 kB/s | 5.3 MB 00:00:43 Running transaction check Running transaction test Transaction test succeeded Running transaction 正在更新 : 1:openssl-libs-1.0.2k-16.el7_6.1.x86_64 1/23 正在更新 : krb5-libs-1.15.1-37.el7_6.x86_64 2/23 正在安装 : mysql-community-common-8.0.17-1.el7.x86_64 3/23 正在安装 : mysql-community-libs-8.0.17-1.el7.x86_64 4/23 正在安装 : mysql-community-client-8.0.17-1.el7.x86_64 5/23 正在安装 : libkadm5-1.15.1-37.el7_6.x86_64 6/23 正在安装 : libsepol-devel-2.5-10.el7.x86_64 7/23 正在安装 : pcre-devel-8.32-17.el7.x86_64 8/23 正在安装 : libselinux-devel-2.5-14.1.el7.x86_64 9/23 正在安装 : zlib-devel-1.2.7-18.el7.x86_64 10/23 正在安装 : libverto-devel-0.2.5-4.el7.x86_64 11/23 正在安装 : libcom_err-devel-1.42.9-13.el7.x86_64 12/23 正在安装 : keyutils-libs-devel-1.5.8-3.el7.x86_64 13/23 正在安装 : krb5-devel-1.15.1-37.el7_6.x86_64 14/23 正在安装 : 1:openssl-devel-1.0.2k-16.el7_6.1.x86_64 15/23 正在安装 : mysql-community-devel-8.0.17-1.el7.x86_64 16/23 正在安装 : mysql-community-server-8.0.17-1.el7.x86_64 17/23 正在安装 : mysql-community-libs-compat-8.0.17-1.el7.x86_64 18/23 正在更新 : 1:openssl-1.0.2k-16.el7_6.1.x86_64 19/23 清理 : 1:openssl-1.0.2k-16.el7.x86_64 20/23 正在删除 : 1:mariadb-libs-5.5.60-1.el7_5.x86_64 21/23 清理 : krb5-libs-1.15.1-34.el7.x86_64 22/23 清理 : 1:openssl-libs-1.0.2k-16.el7.x86_64 23/23 验证中 : keyutils-libs-devel-1.5.8-3.el7.x86_64 1/23 验证中 : mysql-community-devel-8.0.17-1.el7.x86_64 2/23 验证中 : libcom_err-devel-1.42.9-13.el7.x86_64 3/23 验证中 : krb5-devel-1.15.1-37.el7_6.x86_64 4/23 验证中 : mysql-community-libs-8.0.17-1.el7.x86_64 5/23 验证中 : libverto-devel-0.2.5-4.el7.x86_64 6/23 验证中 : zlib-devel-1.2.7-18.el7.x86_64 7/23 验证中 : krb5-libs-1.15.1-37.el7_6.x86_64 8/23 验证中 : pcre-devel-8.32-17.el7.x86_64 9/23 验证中 : mysql-community-client-8.0.17-1.el7.x86_64 10/23 验证中 : 1:openssl-1.0.2k-16.el7_6.1.x86_64 11/23 验证中 : mysql-community-common-8.0.17-1.el7.x86_64 12/23 验证中 : 1:openssl-libs-1.0.2k-16.el7_6.1.x86_64 13/23 验证中 : libsepol-devel-2.5-10.el7.x86_64 14/23 验证中 : 1:openssl-devel-1.0.2k-16.el7_6.1.x86_64 15/23 验证中 : mysql-community-server-8.0.17-1.el7.x86_64 16/23 验证中 : libkadm5-1.15.1-37.el7_6.x86_64 17/23 验证中 : libselinux-devel-2.5-14.1.el7.x86_64 18/23 验证中 : mysql-community-libs-compat-8.0.17-1.el7.x86_64 19/23 验证中 : 1:mariadb-libs-5.5.60-1.el7_5.x86_64 20/23 验证中 : 1:openssl-1.0.2k-16.el7.x86_64 21/23 验证中 : 1:openssl-libs-1.0.2k-16.el7.x86_64 22/23 验证中 : krb5-libs-1.15.1-34.el7.x86_64 23/23 已安装: mysql-community-client.x86_64 0:8.0.17-1.el7 mysql-community-common.x86_64 0:8.0.17-1.el7 mysql-community-devel.x86_64 0:8.0.17-1.el7 mysql-community-libs.x86_64 0:8.0.17-1.el7 mysql-community-libs-compat.x86_64 0:8.0.17-1.el7 mysql-community-server.x86_64 0:8.0.17-1.el7 作为依赖被安装: keyutils-libs-devel.x86_64 0:1.5.8-3.el7 krb5-devel.x86_64 0:1.15.1-37.el7_6 libcom_err-devel.x86_64 0:1.42.9-13.el7 libkadm5.x86_64 0:1.15.1-37.el7_6 libselinux-devel.x86_64 0:2.5-14.1.el7 libsepol-devel.x86_64 0:2.5-10.el7 libverto-devel.x86_64 0:0.2.5-4.el7 openssl-devel.x86_64 1:1.0.2k-16.el7_6.1 pcre-devel.x86_64 0:8.32-17.el7 zlib-devel.x86_64 0:1.2.7-18.el7 作为依赖被升级: krb5-libs.x86_64 0:1.15.1-37.el7_6 openssl.x86_64 1:1.0.2k-16.el7_6.1 openssl-libs.x86_64 1:1.0.2k-16.el7_6.1 替代: mariadb-libs.x86_64 1:5.5.60-1.el7_5 完毕！ [root@es2 ~]# ssh es3 Last login: Wed Aug 28 16:23:24 2019 from 192.168.56.1 [root@es3 ~]# yum -y localinstall mysql-community-* 已加载插件：fastestmirror 正在检查 mysql-community-client-8.0.17-1.el7.x86_64.rpm: mysql-community-client-8.0.17-1.el7.x86_64 mysql-community-client-8.0.17-1.el7.x86_64.rpm 将被安装 正在检查 mysql-community-common-8.0.17-1.el7.x86_64.rpm: mysql-community-common-8.0.17-1.el7.x86_64 mysql-community-common-8.0.17-1.el7.x86_64.rpm 将被安装 正在检查 mysql-community-devel-8.0.17-1.el7.x86_64.rpm: mysql-community-devel-8.0.17-1.el7.x86_64 mysql-community-devel-8.0.17-1.el7.x86_64.rpm 将被安装 正在检查 mysql-community-libs-8.0.17-1.el7.x86_64.rpm: mysql-community-libs-8.0.17-1.el7.x86_64 mysql-community-libs-8.0.17-1.el7.x86_64.rpm 将被安装 正在检查 mysql-community-libs-compat-8.0.17-1.el7.x86_64.rpm: mysql-community-libs-compat-8.0.17-1.el7.x86_64 mysql-community-libs-compat-8.0.17-1.el7.x86_64.rpm 将被安装 正在检查 mysql-community-server-8.0.17-1.el7.x86_64.rpm: mysql-community-server-8.0.17-1.el7.x86_64 mysql-community-server-8.0.17-1.el7.x86_64.rpm 将被安装 正在解决依赖关系 --> 正在检查事务 ---> 软件包 mariadb-libs.x86_64.1.5.5.60-1.el7_5 将被 取代 ---> 软件包 mysql-community-client.x86_64.0.8.0.17-1.el7 将被 安装 ---> 软件包 mysql-community-common.x86_64.0.8.0.17-1.el7 将被 安装 ---> 软件包 mysql-community-devel.x86_64.0.8.0.17-1.el7 将被 安装 --> 正在处理依赖关系 pkgconfig(openssl)，它被软件包 mysql-community-devel-8.0.17-1.el7.x86_64 需要 Determining fastest mirrors epel/x86_64/metalink | 7.2 kB 00:00:00 * base: mirrors.aliyun.com * epel: mirrors.tuna.tsinghua.edu.cn * extras: mirrors.aliyun.com * updates: mirror.jdcloud.com base | 3.6 kB 00:00:00 epel | 5.4 kB 00:00:00 extras | 3.4 kB 00:00:00 updates | 3.4 kB 00:00:00 epel/x86_64/updateinfo FAILED ] 0.0 B/s | 0 B --:--:-- ETA http://fedora.cs.nctu.edu.tw/epel/7/x86_64/repodata/73e5709a1cb420a1cbf22ead472e9b0dd44afe50a0e313647e4c584427a5e841-updateinfo.xml.bz2: [Errno 14] HTTP Error 404 - Not Found 正在尝试其它镜像。 To address this issue please refer to the below wiki article https://wiki.centos.org/yum-errors If above article doesn't help to resolve this issue please use https://bugs.centos.org/. (1/3): epel/x86_64/group_gz | 88 kB 00:00:01 (2/3): epel/x86_64/updateinfo | 998 kB 00:00:15 (3/3): epel/x86_64/primary_db | 6.8 MB 00:00:21 ---> 软件包 mysql-community-libs.x86_64.0.8.0.17-1.el7 将被 舍弃 ---> 软件包 mysql-community-libs-compat.x86_64.0.8.0.17-1.el7 将被 舍弃 ---> 软件包 mysql-community-server.x86_64.0.8.0.17-1.el7 将被 安装 --> 正在检查事务 ---> 软件包 openssl-devel.x86_64.1.1.0.2k-16.el7_6.1 将被 安装 --> 正在处理依赖关系 openssl-libs(x86-64) = 1:1.0.2k-16.el7_6.1，它被软件包 1:openssl-devel-1.0.2k-16.el7_6.1.x86_64 需要 --> 正在处理依赖关系 zlib-devel(x86-64)，它被软件包 1:openssl-devel-1.0.2k-16.el7_6.1.x86_64 需要 --> 正在处理依赖关系 krb5-devel(x86-64)，它被软件包 1:openssl-devel-1.0.2k-16.el7_6.1.x86_64 需要 --> 正在检查事务 ---> 软件包 krb5-devel.x86_64.0.1.15.1-37.el7_6 将被 安装 --> 正在处理依赖关系 libkadm5(x86-64) = 1.15.1-37.el7_6，它被软件包 krb5-devel-1.15.1-37.el7_6.x86_64 需要 --> 正在处理依赖关系 krb5-libs(x86-64) = 1.15.1-37.el7_6，它被软件包 krb5-devel-1.15.1-37.el7_6.x86_64 需要 --> 正在处理依赖关系 libverto-devel，它被软件包 krb5-devel-1.15.1-37.el7_6.x86_64 需要 --> 正在处理依赖关系 libselinux-devel，它被软件包 krb5-devel-1.15.1-37.el7_6.x86_64 需要 --> 正在处理依赖关系 libcom_err-devel，它被软件包 krb5-devel-1.15.1-37.el7_6.x86_64 需要 --> 正在处理依赖关系 keyutils-libs-devel，它被软件包 krb5-devel-1.15.1-37.el7_6.x86_64 需要 ---> 软件包 openssl-libs.x86_64.1.1.0.2k-16.el7 将被 升级 --> 正在处理依赖关系 openssl-libs(x86-64) = 1:1.0.2k-16.el7，它被软件包 1:openssl-1.0.2k-16.el7.x86_64 需要 ---> 软件包 openssl-libs.x86_64.1.1.0.2k-16.el7_6.1 将被 更新 ---> 软件包 zlib-devel.x86_64.0.1.2.7-18.el7 将被 安装 --> 正在检查事务 ---> 软件包 keyutils-libs-devel.x86_64.0.1.5.8-3.el7 将被 安装 ---> 软件包 krb5-libs.x86_64.0.1.15.1-34.el7 将被 升级 ---> 软件包 krb5-libs.x86_64.0.1.15.1-37.el7_6 将被 更新 ---> 软件包 libcom_err-devel.x86_64.0.1.42.9-13.el7 将被 安装 ---> 软件包 libkadm5.x86_64.0.1.15.1-37.el7_6 将被 安装 ---> 软件包 libselinux-devel.x86_64.0.2.5-14.1.el7 将被 安装 --> 正在处理依赖关系 libsepol-devel(x86-64) >= 2.5-10，它被软件包 libselinux-devel-2.5-14.1.el7.x86_64 需要 --> 正在处理依赖关系 pkgconfig(libsepol)，它被软件包 libselinux-devel-2.5-14.1.el7.x86_64 需要 --> 正在处理依赖关系 pkgconfig(libpcre)，它被软件包 libselinux-devel-2.5-14.1.el7.x86_64 需要 ---> 软件包 libverto-devel.x86_64.0.0.2.5-4.el7 将被 安装 ---> 软件包 openssl.x86_64.1.1.0.2k-16.el7 将被 升级 ---> 软件包 openssl.x86_64.1.1.0.2k-16.el7_6.1 将被 更新 --> 正在检查事务 ---> 软件包 libsepol-devel.x86_64.0.2.5-10.el7 将被 安装 ---> 软件包 pcre-devel.x86_64.0.8.32-17.el7 将被 安装 --> 解决依赖关系完成 依赖关系解决 ==================================================================================================================================================================== Package 架构 版本 源 大小 ==================================================================================================================================================================== 正在安装: mysql-community-client x86_64 8.0.17-1.el7 /mysql-community-client-8.0.17-1.el7.x86_64 146 M mysql-community-common x86_64 8.0.17-1.el7 /mysql-community-common-8.0.17-1.el7.x86_64 8.3 M mysql-community-devel x86_64 8.0.17-1.el7 /mysql-community-devel-8.0.17-1.el7.x86_64 34 M mysql-community-libs x86_64 8.0.17-1.el7 /mysql-community-libs-8.0.17-1.el7.x86_64 14 M 替换 mariadb-libs.x86_64 1:5.5.60-1.el7_5 mysql-community-libs-compat x86_64 8.0.17-1.el7 /mysql-community-libs-compat-8.0.17-1.el7.x86_64 9.5 M 替换 mariadb-libs.x86_64 1:5.5.60-1.el7_5 mysql-community-server x86_64 8.0.17-1.el7 /mysql-community-server-8.0.17-1.el7.x86_64 1.8 G 为依赖而安装: keyutils-libs-devel x86_64 1.5.8-3.el7 base 37 k krb5-devel x86_64 1.15.1-37.el7_6 updates 271 k libcom_err-devel x86_64 1.42.9-13.el7 base 31 k libkadm5 x86_64 1.15.1-37.el7_6 updates 178 k libselinux-devel x86_64 2.5-14.1.el7 base 187 k libsepol-devel x86_64 2.5-10.el7 base 77 k libverto-devel x86_64 0.2.5-4.el7 base 12 k openssl-devel x86_64 1:1.0.2k-16.el7_6.1 updates 1.5 M pcre-devel x86_64 8.32-17.el7 base 480 k zlib-devel x86_64 1.2.7-18.el7 base 50 k 为依赖而更新: krb5-libs x86_64 1.15.1-37.el7_6 updates 803 k openssl x86_64 1:1.0.2k-16.el7_6.1 updates 493 k openssl-libs x86_64 1:1.0.2k-16.el7_6.1 updates 1.2 M 事务概要 ==================================================================================================================================================================== 安装 6 软件包 (+10 依赖软件包) 升级 ( 3 依赖软件包) 总计：2.0 G 总下载量：5.3 M Downloading packages: Delta RPMs disabled because /usr/bin/applydeltarpm not installed. (1/13): keyutils-libs-devel-1.5.8-3.el7.x86_64.rpm | 37 kB 00:00:00 (2/13): libcom_err-devel-1.42.9-13.el7.x86_64.rpm | 31 kB 00:00:00 (3/13): libsepol-devel-2.5-10.el7.x86_64.rpm | 77 kB 00:00:00 (4/13): libverto-devel-0.2.5-4.el7.x86_64.rpm | 12 kB 00:00:00 (5/13): libkadm5-1.15.1-37.el7_6.x86_64.rpm | 178 kB 00:00:02 (6/13): krb5-devel-1.15.1-37.el7_6.x86_64.rpm | 271 kB 00:00:02 (7/13): libselinux-devel-2.5-14.1.el7.x86_64.rpm | 187 kB 00:00:02 (8/13): openssl-1.0.2k-16.el7_6.1.x86_64.rpm | 493 kB 00:00:04 (9/13): zlib-devel-1.2.7-18.el7.x86_64.rpm | 50 kB 00:00:00 (10/13): pcre-devel-8.32-17.el7.x86_64.rpm | 480 kB 00:00:05 (11/13): openssl-libs-1.0.2k-16.el7_6.1.x86_64.rpm | 1.2 MB 00:00:08 (12/13): openssl-devel-1.0.2k-16.el7_6.1.x86_64.rpm | 1.5 MB 00:00:09 (13/13): krb5-libs-1.15.1-37.el7_6.x86_64.rpm | 803 kB 00:00:13 -------------------------------------------------------------------------------------------------------------------------------------------------------------------- 总计 407 kB/s | 5.3 MB 00:00:13 Running transaction check Running transaction test Transaction test succeeded Running transaction 正在更新 : 1:openssl-libs-1.0.2k-16.el7_6.1.x86_64 1/23 正在更新 : krb5-libs-1.15.1-37.el7_6.x86_64 2/23 正在安装 : mysql-community-common-8.0.17-1.el7.x86_64 3/23 正在安装 : mysql-community-libs-8.0.17-1.el7.x86_64 4/23 正在安装 : mysql-community-client-8.0.17-1.el7.x86_64 5/23 正在安装 : libkadm5-1.15.1-37.el7_6.x86_64 6/23 正在安装 : libsepol-devel-2.5-10.el7.x86_64 7/23 正在安装 : pcre-devel-8.32-17.el7.x86_64 8/23 正在安装 : libselinux-devel-2.5-14.1.el7.x86_64 9/23 正在安装 : zlib-devel-1.2.7-18.el7.x86_64 10/23 正在安装 : libverto-devel-0.2.5-4.el7.x86_64 11/23 正在安装 : libcom_err-devel-1.42.9-13.el7.x86_64 12/23 正在安装 : keyutils-libs-devel-1.5.8-3.el7.x86_64 13/23 正在安装 : krb5-devel-1.15.1-37.el7_6.x86_64 14/23 正在安装 : 1:openssl-devel-1.0.2k-16.el7_6.1.x86_64 15/23 正在安装 : mysql-community-devel-8.0.17-1.el7.x86_64 16/23 正在安装 : mysql-community-server-8.0.17-1.el7.x86_64 17/23 正在安装 : mysql-community-libs-compat-8.0.17-1.el7.x86_64 18/23 正在更新 : 1:openssl-1.0.2k-16.el7_6.1.x86_64 19/23 清理 : 1:openssl-1.0.2k-16.el7.x86_64 20/23 正在删除 : 1:mariadb-libs-5.5.60-1.el7_5.x86_64 21/23 清理 : krb5-libs-1.15.1-34.el7.x86_64 22/23 清理 : 1:openssl-libs-1.0.2k-16.el7.x86_64 23/23 验证中 : keyutils-libs-devel-1.5.8-3.el7.x86_64 1/23 验证中 : mysql-community-devel-8.0.17-1.el7.x86_64 2/23 验证中 : libcom_err-devel-1.42.9-13.el7.x86_64 3/23 验证中 : krb5-devel-1.15.1-37.el7_6.x86_64 4/23 验证中 : mysql-community-libs-8.0.17-1.el7.x86_64 5/23 验证中 : libverto-devel-0.2.5-4.el7.x86_64 6/23 验证中 : zlib-devel-1.2.7-18.el7.x86_64 7/23 验证中 : krb5-libs-1.15.1-37.el7_6.x86_64 8/23 验证中 : pcre-devel-8.32-17.el7.x86_64 9/23 验证中 : mysql-community-client-8.0.17-1.el7.x86_64 10/23 验证中 : 1:openssl-1.0.2k-16.el7_6.1.x86_64 11/23 验证中 : mysql-community-common-8.0.17-1.el7.x86_64 12/23 验证中 : 1:openssl-libs-1.0.2k-16.el7_6.1.x86_64 13/23 验证中 : libsepol-devel-2.5-10.el7.x86_64 14/23 验证中 : 1:openssl-devel-1.0.2k-16.el7_6.1.x86_64 15/23 验证中 : mysql-community-server-8.0.17-1.el7.x86_64 16/23 验证中 : libkadm5-1.15.1-37.el7_6.x86_64 17/23 验证中 : libselinux-devel-2.5-14.1.el7.x86_64 18/23 验证中 : mysql-community-libs-compat-8.0.17-1.el7.x86_64 19/23 验证中 : 1:mariadb-libs-5.5.60-1.el7_5.x86_64 20/23 验证中 : 1:openssl-1.0.2k-16.el7.x86_64 21/23 验证中 : 1:openssl-libs-1.0.2k-16.el7.x86_64 22/23 验证中 : krb5-libs-1.15.1-34.el7.x86_64 23/23 已安装: mysql-community-client.x86_64 0:8.0.17-1.el7 mysql-community-common.x86_64 0:8.0.17-1.el7 mysql-community-devel.x86_64 0:8.0.17-1.el7 mysql-community-libs.x86_64 0:8.0.17-1.el7 mysql-community-libs-compat.x86_64 0:8.0.17-1.el7 mysql-community-server.x86_64 0:8.0.17-1.el7 作为依赖被安装: keyutils-libs-devel.x86_64 0:1.5.8-3.el7 krb5-devel.x86_64 0:1.15.1-37.el7_6 libcom_err-devel.x86_64 0:1.42.9-13.el7 libkadm5.x86_64 0:1.15.1-37.el7_6 libselinux-devel.x86_64 0:2.5-14.1.el7 libsepol-devel.x86_64 0:2.5-10.el7 libverto-devel.x86_64 0:0.2.5-4.el7 openssl-devel.x86_64 1:1.0.2k-16.el7_6.1 pcre-devel.x86_64 0:8.32-17.el7 zlib-devel.x86_64 0:1.2.7-18.el7 作为依赖被升级: krb5-libs.x86_64 0:1.15.1-37.el7_6 openssl.x86_64 1:1.0.2k-16.el7_6.1 openssl-libs.x86_64 1:1.0.2k-16.el7_6.1 替代: mariadb-libs.x86_64 1:5.5.60-1.el7_5 完毕！ [root@es3 ~]# exit 登出 Connection to es3 closed. [root@es2 ~]# vim /etc/my.cnf # For advice on how to change settings please see # http://dev.mysql.com/doc/refman/8.0/en/server-configuration-defaults.html [mysqld] # # Remove leading # and set to the amount of RAM for the most important data # cache in MySQL. Start at 70% of total RAM for dedicated server, else 10%. # innodb_buffer_pool_size = 128M # # Remove the leading "# " to disable binary logging # Binary logging captures changes between backups and is enabled by # default. It's default setting is log_bin=binlog # disable_log_bin # # Remove leading # to set options mainly useful for reporting servers. # The server defaults are faster for transactions and fast SELECTs. # Adjust sizes as needed, experiment to find the optimal values. # join_buffer_size = 128M # sort_buffer_size = 2M # read_rnd_buffer_size = 2M # # Remove leading # to revert to previous value for default_authentication_plugin, # this will increase compatibility with older clients. For background, see: # https://dev.mysql.com/doc/refman/8.0/en/server-system-variables.html#sysvar_default_authentication_plugin # default-authentication-plugin=mysql_native_password datadir=/var/lib/mysql socket=/var/lib/mysql/mysql.sock log-error=/var/log/mysqld.log pid-file=/var/run/mysqld/mysqld.pid "/etc/my.cnf" 35L, 1312C 已写入 [root@es2 ~]# systemctl start mysqld [root@es2 ~]# netstat -nltp Active Internet connections (only servers) Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN 3293/sshd tcp 0 0 127.0.0.1:25 0.0.0.0:* LISTEN 3535/master tcp6 0 0 :::3306 :::* LISTEN 4057/mysqld tcp6 0 0 :::22 :::* LISTEN 3293/sshd tcp6 0 0 ::1:25 :::* LISTEN 3535/master tcp6 0 0 :::33060 :::* LISTEN 4057/mysqld [root@es2 ~]# cat /etc/my.cnf |grep -iv on [mysqld] # # Remove leading # and set to the amount of RAM for the most important data # cache in MySQL. Start at 70% of total RAM for dedicated server, else 10%. # innodb_buffer_pool_size = 128M # # Remove the leading "# " to disable binary logging # Binary logging captures changes between backups and is enabled by # default. It's default setting is log_bin=binlog # disable_log_bin # # Adjust sizes as needed, experiment to find the optimal values. # join_buffer_size = 128M # sort_buffer_size = 2M # read_rnd_buffer_size = 2M # # this will increase compatibility with older clients. For background, see: datadir=/var/lib/mysql socket=/var/lib/mysql/mysql.sock log-error=/var/log/mysqld.log pid-file=/var/run/mysqld/mysqld.pid [root@es2 ~]# cat /etc/my.cnf |grep -i on # For advice on how to change settings please see # http://dev.mysql.com/doc/refman/8.0/en/server-configuration-defaults.html # Remove leading # to set options mainly useful for reporting servers. # The server defaults are faster for transactions and fast SELECTs. # Remove leading # to revert to previous value for default_authentication_plugin, # https://dev.mysql.com/doc/refman/8.0/en/server-system-variables.html#sysvar_default_authentication_plugin # default-authentication-plugin=mysql_native_password gtid-mode = ON enforce-gtid-consistency = ON log-slave-updates = ON [root@es2 ~]# cat /etc/my.cnf |grep ON gtid-mode = ON enforce-gtid-consistency = ON log-slave-updates = ON [root@es2 ~]# cat /var/log/mysqld.log |grep password 2019-08-28T08:50:17.669803Z 5 [Note] [MY-010454] [Server] A temporary password is generated for root@localhost: iwSeuFagt0&3 [root@es2 ~]# mysql ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: NO) [root@es2 ~]# mysql -p'iwSeuFagt0&3' mysql: [Warning] Using a password on the command line interface can be insecure. Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 9 Server version: 8.0.17 Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved. Oracle is a registered trademark of Oracle Corporation and/or its affiliates. Other names may be trademarks of their respective owners. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. mysql> alter user user() identified by 'iwSeuFagt0&31'; Query OK, 0 rows affected (0.33 sec) mysql> exit Bye [root@es2 ~]# ssh es3 Last login: Wed Aug 28 16:42:33 2019 from es2 [root@es3 ~]# vim /etc/my.cnf # For advice on how to change settings please see # http://dev.mysql.com/doc/refman/8.0/en/server-configuration-defaults.html [mysqld] # # Remove leading # and set to the amount of RAM for the most important data # cache in MySQL. Start at 70% of total RAM for dedicated server, else 10%. # innodb_buffer_pool_size = 128M # # Remove the leading "# " to disable binary logging # Binary logging captures changes between backups and is enabled by # default. It's default setting is log_bin=binlog # disable_log_bin # # Remove leading # to set options mainly useful for reporting servers. # The server defaults are faster for transactions and fast SELECTs. # Adjust sizes as needed, experiment to find the optimal values. # join_buffer_size = 128M # sort_buffer_size = 2M # read_rnd_buffer_size = 2M # # Remove leading # to revert to previous value for default_authentication_plugin, # this will increase compatibility with older clients. For background, see: # https://dev.mysql.com/doc/refman/8.0/en/server-system-variables.html#sysvar_default_authentication_plugin # default-authentication-plugin=mysql_native_password datadir=/var/lib/mysql socket=/var/lib/mysql/mysql.sock log-error=/var/log/mysqld.log pid-file=/var/run/mysqld/mysqld.pid "/etc/my.cnf" 35L, 1312C 已写入 [root@es3 ~]# systemctl start mysqld [root@es3 ~]# cat /var/log/mysqld.log |grep password 2019-08-28T08:54:27.953612Z 5 [Note] [MY-010454] [Server] A temporary password is generated for root@localhost: kfzvo3Won:5r [root@es3 ~]# mysql -p'kfzvo3Won:5r' mysql: [Warning] Using a password on the command line interface can be insecure. Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 8 Server version: 8.0.17 Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved. Oracle is a registered trademark of Oracle Corporation and/or its affiliates. Other names may be trademarks of their respective owners. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. mysql> alter user user() identified by 'iwSeuFagt0&31'; Query OK, 0 rows affected (0.06 sec) mysql> exit Bye [root@es3 ~]# exit 登出 Connection to es3 closed. [root@es2 ~]# mysql -p'iwSeuFagt0&31' mysql: [Warning] Using a password on the command line interface can be insecure. Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 10 Server version: 8.0.17 MySQL Community Server - GPL Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved. Oracle is a registered trademark of Oracle Corporation and/or its affiliates. Other names may be trademarks of their respective owners. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. mysql> INSTALL PLUGIN clone SONAME 'mysql_clone.so'; Query OK, 0 rows affected (0.12 sec) mysql> CREATE USER clone_user@'%' identified by 'iwSeuFagt0&31'; Query OK, 0 rows affected (0.07 sec) mysql> GRANT BACKUP_ADMIN ON *.* TO 'clone_user'; Query OK, 0 rows affected (0.04 sec) mysql> CREATE USER repl_user@'%' identified by 'iwSeuFagt0&31' -> ; Query OK, 0 rows affected (0.02 sec) mysql> grant replication slave on *.* to repl_user; Query OK, 0 rows affected (0.00 sec) mysql> flush privileges; Query OK, 0 rows affected (0.04 sec) mysql> exit Bye [root@es2 ~]# mysql -uclone_user -p'iwSeuFagt0&31' mysql: [Warning] Using a password on the command line interface can be insecure. Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 11 Server version: 8.0.17 MySQL Community Server - GPL Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved. Oracle is a registered trademark of Oracle Corporation and/or its affiliates. Other names may be trademarks of their respective owners. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. mysql> shwo variables like 'se%'; ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'shwo variables like 'se%'' at line 1 mysql> show variables like 'se%'; +---------------------------------+------------------------------------------------------------------------------------------+ | Variable_name | Value | +---------------------------------+------------------------------------------------------------------------------------------+ | secondary_engine_cost_threshold | 100000.000000 | | secure_file_priv | /var/lib/mysql-files/ | | server_id | 1 | | server_id_bits | 32 | | server_uuid | dbda28c9-c970-11e9-b268-0800275c8ec3 | | session_track_gtids | OFF | | session_track_schema | ON | | session_track_state_change | OFF | | session_track_system_variables | time_zone,autocommit,character_set_client,character_set_results,character_set_connection | | session_track_transaction_info | OFF | +---------------------------------+------------------------------------------------------------------------------------------+ 10 rows in set (0.01 sec) mysql> show variables like 'secure_file_priv'; +------------------+-----------------------+ | Variable_name | Value | +------------------+-----------------------+ | secure_file_priv | /var/lib/mysql-files/ | +------------------+-----------------------+ 1 row in set (0.00 sec) mysql> CLONE LOCAL DATA DIRECTORY = '/var/lib/mysql-files/clone_dir1'; Query OK, 0 rows affected (19.50 sec) mysql> create database after_clone1; ERROR 1044 (42000): Access denied for user 'clone_user'@'%' to database 'after_clone1' mysql> exit Bye [root@es2 ~]# mysql -p'iwSeuFagt0&31' mysql: [Warning] Using a password on the command line interface can be insecure. Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 12 Server version: 8.0.17 MySQL Community Server - GPL Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved. Oracle is a registered trademark of Oracle Corporation and/or its affiliates. Other names may be trademarks of their respective owners. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. mysql> show databases; +--------------------+ | Database | +--------------------+ | information_schema | | mysql | | performance_schema | | sys | +--------------------+ 4 rows in set (0.06 sec) mysql> create database after_clone1; Query OK, 1 row affected (0.29 sec) mysql> exit Bye [root@es2 ~]# mysql -uclone_user -p'iwSeuFagt0&31' mysql: [Warning] Using a password on the command line interface can be insecure. Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 13 Server version: 8.0.17 MySQL Community Server - GPL Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved. Oracle is a registered trademark of Oracle Corporation and/or its affiliates. Other names may be trademarks of their respective owners. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. mysql> CLONE LOCAL DATA DIRECTORY = '/var/lib/mysql-files/clone_dir2'; Query OK, 0 rows affected (16.99 sec) mysql> exit Bye [root@es2 ~]# mysql -p'iwSeuFagt0&31' mysql: [Warning] Using a password on the command line interface can be insecure. Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 14 Server version: 8.0.17 MySQL Community Server - GPL Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved. Oracle is a registered trademark of Oracle Corporation and/or its affiliates. Other names may be trademarks of their respective owners. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. mysql> show databases; +--------------------+ | Database | +--------------------+ | after_clone1 | | information_schema | | mysql | | performance_schema | | sys | +--------------------+ 5 rows in set (0.00 sec) mysql> create database after_clone2; Query OK, 1 row affected (0.04 sec) mysql> exit Bye [root@es2 ~]# mysql -p'iwSeuFagt0&31' mysql: [Warning] Using a password on the command line interface can be insecure. Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 15 Server version: 8.0.17 MySQL Community Server - GPL Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved. Oracle is a registered trademark of Oracle Corporation and/or its affiliates. Other names may be trademarks of their respective owners. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. mysql> show databases; +--------------------+ | Database | +--------------------+ | after_clone1 | | after_clone2 | | information_schema | | mysql | | performance_schema | | sys | +--------------------+ 6 rows in set (0.00 sec) mysql> exit Bye [root@es2 ~]# systemctl stop mysqld [root@es2 ~]# vim /etc/my.cnf # For advice on how to change settings please see # http://dev.mysql.com/doc/refman/8.0/en/server-configuration-defaults.html [mysqld] # # Remove leading # and set to the amount of RAM for the most important data # cache in MySQL. Start at 70% of total RAM for dedicated server, else 10%. # innodb_buffer_pool_size = 128M # # Remove the leading "# " to disable binary logging # Binary logging captures changes between backups and is enabled by # default. It's default setting is log_bin=binlog # disable_log_bin # # Remove leading # to set options mainly useful for reporting servers. # The server defaults are faster for transactions and fast SELECTs. # Adjust sizes as needed, experiment to find the optimal values. # join_buffer_size = 128M # sort_buffer_size = 2M # read_rnd_buffer_size = 2M # # Remove leading # to revert to previous value for default_authentication_plugin, # this will increase compatibility with older clients. For background, see: # https://dev.mysql.com/doc/refman/8.0/en/server-system-variables.html#sysvar_default_authentication_plugin # default-authentication-plugin=mysql_native_password datadir=/var/lib/mysql socket=/var/lib/mysql/mysql.sock log-error=/var/log/mysqld.log pid-file=/var/run/mysqld/mysqld.pid gtid-mode = ON enforce-gtid-consistency = ON log-slave-updates = ON "/etc/my.cnf" 36L, 1353C 已写入 [root@es2 ~]# cat /etc/my.cnf |grep -v ^# [mysqld] datadir=/var/lib/mysql-files/clone_dir1 socket=/var/lib/mysql/mysql.sock log-error=/var/log/mysqld.log pid-file=/var/run/mysqld/mysqld.pid gtid-mode = ON enforce-gtid-consistency = ON log-slave-updates = ON [root@es2 ~]# systemctl start mysqld [root@es2 ~]# mysql -p'iwSeuFagt0&31' mysql: [Warning] Using a password on the command line interface can be insecure. Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 8 Server version: 8.0.17 MySQL Community Server - GPL Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved. Oracle is a registered trademark of Oracle Corporation and/or its affiliates. Other names may be trademarks of their respective owners. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. mysql> show databases; +--------------------+ | Database | +--------------------+ | information_schema | | mysql | | performance_schema | | sys | +--------------------+ 4 rows in set (0.00 sec) mysql> show variables like 'datadir'; +---------------+----------------------------------+ | Variable_name | Value | +---------------+----------------------------------+ | datadir | /var/lib/mysql-files/clone_dir1/ | +---------------+----------------------------------+ 1 row in set (0.01 sec) mysql> SELECT BINLOG_FILE, BINLOG_POSITION FROM performance_schema.clone_status; +---------------+-----------------+ | BINLOG_FILE | BINLOG_POSITION | +---------------+-----------------+ | binlog.000001 | 1741 | +---------------+-----------------+ 1 row in set (0.00 sec) mysql> SELECT @@GLOBAL.GTID_EXECUTED; +------------------------------------------+ | @@GLOBAL.GTID_EXECUTED | +------------------------------------------+ | dbda28c9-c970-11e9-b268-0800275c8ec3:1-6 | +------------------------------------------+ 1 row in set (0.00 sec) mysql> exit Bye [root@es2 ~]# systemctl stop mysqld [root@es2 ~]# vim /etc/my.cnf # For advice on how to change settings please see # http://dev.mysql.com/doc/refman/8.0/en/server-configuration-defaults.html [mysqld] # # Remove leading # and set to the amount of RAM for the most important data # cache in MySQL. Start at 70% of total RAM for dedicated server, else 10%. # innodb_buffer_pool_size = 128M # # Remove the leading "# " to disable binary logging # Binary logging captures changes between backups and is enabled by # default. It's default setting is log_bin=binlog # disable_log_bin # # Remove leading # to set options mainly useful for reporting servers. # The server defaults are faster for transactions and fast SELECTs. # Adjust sizes as needed, experiment to find the optimal values. # join_buffer_size = 128M # sort_buffer_size = 2M # read_rnd_buffer_size = 2M # # Remove leading # to revert to previous value for default_authentication_plugin, # this will increase compatibility with older clients. For background, see: # https://dev.mysql.com/doc/refman/8.0/en/server-system-variables.html#sysvar_default_authentication_plugin # default-authentication-plugin=mysql_native_password #datadir=/var/lib/mysql datadir=/var/lib/mysql-files/clone_dir1 socket=/var/lib/mysql/mysql.sock log-error=/var/log/mysqld.log pid-file=/var/run/mysqld/mysqld.pid gtid-mode = ON enforce-gtid-consistency = ON log-slave-updates = ON "/etc/my.cnf" 36L, 1353C 已写入 [root@es2 ~]# systemctl start mysqld [root@es2 ~]# mysql -p'iwSeuFagt0&31' mysql: [Warning] Using a password on the command line interface can be insecure. Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 8 Server version: 8.0.17 MySQL Community Server - GPL Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved. Oracle is a registered trademark of Oracle Corporation and/or its affiliates. Other names may be trademarks of their respective owners. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. mysql> show variables like 'datadir'; +---------------+----------------------------------+ | Variable_name | Value | +---------------+----------------------------------+ | datadir | /var/lib/mysql-files/clone_dir2/ | +---------------+----------------------------------+ 1 row in set (0.01 sec) mysql> SELECT BINLOG_FILE, BINLOG_POSITION FROM performance_schema.clone_status; +---------------+-----------------+ | BINLOG_FILE | BINLOG_POSITION | +---------------+-----------------+ | binlog.000001 | 1950 | +---------------+-----------------+ 1 row in set (0.00 sec) mysql> SELECT @@GLOBAL.GTID_EXECUTED; +------------------------------------------+ | @@GLOBAL.GTID_EXECUTED | +------------------------------------------+ | dbda28c9-c970-11e9-b268-0800275c8ec3:1-7 | +------------------------------------------+ 1 row in set (0.00 sec) mysql> exit Bye [root@es2 ~]# vim /etc/my.cnf # For advice on how to change settings please see # http://dev.mysql.com/doc/refman/8.0/en/server-configuration-defaults.html [mysqld] # # Remove leading # and set to the amount of RAM for the most important data # cache in MySQL. Start at 70% of total RAM for dedicated server, else 10%. # innodb_buffer_pool_size = 128M # # Remove the leading "# " to disable binary logging # Binary logging captures changes between backups and is enabled by # default. It's default setting is log_bin=binlog # disable_log_bin # # Remove leading # to set options mainly useful for reporting servers. # The server defaults are faster for transactions and fast SELECTs. # Adjust sizes as needed, experiment to find the optimal values. # join_buffer_size = 128M # sort_buffer_size = 2M # read_rnd_buffer_size = 2M # # Remove leading # to revert to previous value for default_authentication_plugin, # this will increase compatibility with older clients. For background, see: # https://dev.mysql.com/doc/refman/8.0/en/server-system-variables.html#sysvar_default_authentication_plugin # default-authentication-plugin=mysql_native_password #datadir=/var/lib/mysql datadir=/var/lib/mysql-files/clone_dir2 socket=/var/lib/mysql/mysql.sock log-error=/var/log/mysqld.log pid-file=/var/run/mysqld/mysqld.pid gtid-mode = ON enforce-gtid-consistency = ON log-slave-updates = ON "/etc/my.cnf" 36L, 1353C 已写入 [root@es2 ~]# systemctl start mysqld [root@es2 ~]# systemctl restart mysqld [root@es2 ~]# mysql -p'iwSeuFagt0&31' mysql: [Warning] Using a password on the command line interface can be insecure. Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 8 Server version: 8.0.17 MySQL Community Server - GPL Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved. Oracle is a registered trademark of Oracle Corporation and/or its affiliates. Other names may be trademarks of their respective owners. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. mysql> show variables like 'datadir'; +---------------+-----------------+ | Variable_name | Value | +---------------+-----------------+ | datadir | /var/lib/mysql/ | +---------------+-----------------+ 1 row in set (0.01 sec) mysql> SELECT BINLOG_FILE, BINLOG_POSITION FROM performance_schema.clone_status; Empty set (0.00 sec) mysql> SELECT @@GLOBAL.GTID_EXECUTED; +------------------------------------------+ | @@GLOBAL.GTID_EXECUTED | +------------------------------------------+ | dbda28c9-c970-11e9-b268-0800275c8ec3:1-8 | +------------------------------------------+ 1 row in set (0.00 sec) mysql> exit Bye [root@es2 ~]# ssh es3 Last login: Wed Aug 28 16:53:44 2019 from es2 [root@es3 ~]# mysql -p'iwSeuFagt0&31'; mysql: [Warning] Using a password on the command line interface can be insecure. Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 9 Server version: 8.0.17 MySQL Community Server - GPL Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved. Oracle is a registered trademark of Oracle Corporation and/or its affiliates. Other names may be trademarks of their respective owners. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. mysql> INSTALL PLUGIN clone SONAME 'mysql_clone.so'; Query OK, 0 rows affected (0.09 sec) mysql> CREATE USER clone_user@'%' identified by 'iwSeuFagt0&31'; Query OK, 0 rows affected (0.32 sec) mysql> GRANT CLONE_ADMIN on *.* to clone_user; Query OK, 0 rows affected (0.01 sec) mysql> flush privileges; Query OK, 0 rows affected (0.00 sec) mysql> exit Bye [root@es3 ~]# mysql -uclone_user -p'iwSeuFagt0&31'; mysql: [Warning] Using a password on the command line interface can be insecure. Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 10 Server version: 8.0.17 MySQL Community Server - GPL Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved. Oracle is a registered trademark of Oracle Corporation and/or its affiliates. Other names may be trademarks of their respective owners. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. mysql> clone instance from clone_user@'192.168.56.15':3306 -> identified by 'iwSeuFagt0&31'; ERROR 3869 (HY000): Clone system configuration: 192.168.56.15:3306 is not found in clone_valid_donor_list: mysql> set clone_valid_donor_list ='192.168.56.15:3306'; ERROR 1229 (HY000): Variable 'clone_valid_donor_list' is a GLOBAL variable and should be set with SET GLOBAL mysql> set global clone_valid_donor_list ='192.168.56.15:3306'; ERROR 1227 (42000): Access denied; you need (at least one of) the SUPER or SYSTEM_VARIABLES_ADMIN privilege(s) for this operation mysql> exit Bye [root@es3 ~]# mysql -p'iwSeuFagt0&31'; mysql: [Warning] Using a password on the command line interface can be insecure. Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 11 Server version: 8.0.17 MySQL Community Server - GPL Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved. Oracle is a registered trademark of Oracle Corporation and/or its affiliates. Other names may be trademarks of their respective owners. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. mysql> set global clone_valid_donor_list ='192.168.56.15:3306'; Query OK, 0 rows affected (0.00 sec) mysql> exit Bye [root@es3 ~]# mysql -uclone_user -p'iwSeuFagt0&31'; mysql: [Warning] Using a password on the command line interface can be insecure. Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 12 Server version: 8.0.17 MySQL Community Server - GPL Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved. Oracle is a registered trademark of Oracle Corporation and/or its affiliates. Other names may be trademarks of their respective owners. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. mysql> clone instance from clone_user@'192.168.56.15':3306 -> identified by 'iwSeuFagt0&31'; Query OK, 0 rows affected (5.19 sec) mysql> show databases; ERROR 2006 (HY000): MySQL server has gone away No connection. Trying to reconnect... ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2) ERROR: Can't connect to the server mysql> show databases; No connection. Trying to reconnect... Connection id: 8 Current database: *** NONE *** +--------------------+ | Database | +--------------------+ | information_schema | +--------------------+ 1 row in set (0.01 sec) mysql> show databases; +--------------------+ | Database | +--------------------+ | information_schema | +--------------------+ 1 row in set (0.00 sec) mysql> show databases; +--------------------+ | Database | +--------------------+ | information_schema | +--------------------+ 1 row in set (0.00 sec) mysql> show databases; +--------------------+ | Database | +--------------------+ | information_schema | +--------------------+ 1 row in set (0.00 sec) mysql> show databases; +--------------------+ | Database | +--------------------+ | information_schema | +--------------------+ 1 row in set (0.00 sec) mysql> show databases; +--------------------+ | Database | +--------------------+ | information_schema | +--------------------+ 1 row in set (0.00 sec) mysql> show databases; +--------------------+ | Database | +--------------------+ | information_schema | +--------------------+ 1 row in set (0.00 sec) mysql> exit Bye [root@es3 ~]# mysql -p'iwSeuFagt0&31'; mysql: [Warning] Using a password on the command line interface can be insecure. Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 9 Server version: 8.0.17 MySQL Community Server - GPL Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved. Oracle is a registered trademark of Oracle Corporation and/or its affiliates. Other names may be trademarks of their respective owners. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. mysql> show databases; +--------------------+ | Database | +--------------------+ | after_clone1 | | after_clone2 | | information_schema | | mysql | | performance_schema | | sys | +--------------------+ 6 rows in set (0.00 sec) mysql> SELECT BINLOG_FILE, BINLOG_POSITION FROM performance_schema.clone_status; +---------------+-----------------+ | BINLOG_FILE | BINLOG_POSITION | +---------------+-----------------+ | binlog.000002 | 195 | +---------------+-----------------+ 1 row in set (0.01 sec) mysql> SELECT @@GLOBAL.GTID_EXECUTED; +------------------------------------------+ | @@GLOBAL.GTID_EXECUTED | +------------------------------------------+ | dbda28c9-c970-11e9-b268-0800275c8ec3:1-8 | +------------------------------------------+ 1 row in set (0.00 sec) mysql> CHANGE MASTER TO MASTER_HOST = '192.168.56.15', MASTER_PORT = 3306,MASTER_AUTO_POSITION = 1; Query OK, 0 rows affected (0.13 sec) mysql> START SLAVE USER = 'repl_user' PASSWORD = 'iwSeuFagt0&31' ; Query OK, 0 rows affected, 1 warning (0.01 sec) mysql> show slave status\G *************************** 1. row *************************** Slave_IO_State: Connecting to master Master_Host: 192.168.56.15 Master_User: repl_user Master_Port: 3306 Connect_Retry: 60 Master_Log_File: Read_Master_Log_Pos: 4 Relay_Log_File: es3-relay-bin.000001 Relay_Log_Pos: 4 Relay_Master_Log_File: Slave_IO_Running: Connecting Slave_SQL_Running: Yes Replicate_Do_DB: Replicate_Ignore_DB: Replicate_Do_Table: Replicate_Ignore_Table: Replicate_Wild_Do_Table: Replicate_Wild_Ignore_Table: Last_Errno: 0 Last_Error: Skip_Counter: 0 Exec_Master_Log_Pos: 0 Relay_Log_Space: 155 Until_Condition: None Until_Log_File: Until_Log_Pos: 0 Master_SSL_Allowed: No Master_SSL_CA_File: Master_SSL_CA_Path: Master_SSL_Cert: Master_SSL_Cipher: Master_SSL_Key: Seconds_Behind_Master: 0 Master_SSL_Verify_Server_Cert: No Last_IO_Errno: 2061 Last_IO_Error: error connecting to master '[email protected]:3306' - retry-time: 60 retries: 1 message: Authentication plugin 'caching_sha2_password' reported error: Authentication requires secure connection. Last_SQL_Errno: 0 Last_SQL_Error: Replicate_Ignore_Server_Ids: Master_Server_Id: 0 Master_UUID: Master_Info_File: mysql.slave_master_info SQL_Delay: 0 SQL_Remaining_Delay: NULL Slave_SQL_Running_State: Slave has read all relay log; waiting for more updates Master_Retry_Count: 86400 Master_Bind: Last_IO_Error_Timestamp: 190828 17:23:26 Last_SQL_Error_Timestamp: Master_SSL_Crl: Master_SSL_Crlpath: Retrieved_Gtid_Set: Executed_Gtid_Set: dbda28c9-c970-11e9-b268-0800275c8ec3:1-8 Auto_Position: 1 Replicate_Rewrite_DB: Channel_Name: Master_TLS_Version: Master_public_key_path: Get_master_public_key: 0 Network_Namespace: 1 row in set (0.00 sec) mysql> exit Bye [root@es3 ~]# exit 登出 Connection to es3 closed. [root@es2 ~]# mysql -p'iwSeuFagt0&31' mysql: [Warning] Using a password on the command line interface can be insecure. Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 12 Server version: 8.0.17 MySQL Community Server - GPL Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved. Oracle is a registered trademark of Oracle Corporation and/or its affiliates. Other names may be trademarks of their respective owners. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. mysql> alter USER repl_user@'%' identified WITH mysql_native_password by 'iwSeuFagt0&31' ; Query OK, 0 rows affected (0.28 sec) mysql> flush privileges; Query OK, 0 rows affected (0.00 sec) mysql> exit Bye [root@es2 ~]# ssh es3 Last login: Wed Aug 28 17:11:22 2019 from es2 [root@es3 ~]# mysql -p'iwSeuFagt0&31'; mysql: [Warning] Using a password on the command line interface can be insecure. Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 12 Server version: 8.0.17 MySQL Community Server - GPL Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved. Oracle is a registered trademark of Oracle Corporation and/or its affiliates. Other names may be trademarks of their respective owners. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. mysql> show slave status\G *************************** 1. row *************************** Slave_IO_State: Connecting to master Master_Host: 192.168.56.15 Master_User: repl_user Master_Port: 3306 Connect_Retry: 60 Master_Log_File: Read_Master_Log_Pos: 4 Relay_Log_File: es3-relay-bin.000001 Relay_Log_Pos: 4 Relay_Master_Log_File: Slave_IO_Running: Connecting Slave_SQL_Running: Yes Replicate_Do_DB: Replicate_Ignore_DB: Replicate_Do_Table: Replicate_Ignore_Table: Replicate_Wild_Do_Table: Replicate_Wild_Ignore_Table: Last_Errno: 0 Last_Error: Skip_Counter: 0 Exec_Master_Log_Pos: 0 Relay_Log_Space: 155 Until_Condition: None Until_Log_File: Until_Log_Pos: 0 Master_SSL_Allowed: No Master_SSL_CA_File: Master_SSL_CA_Path: Master_SSL_Cert: Master_SSL_Cipher: Master_SSL_Key: Seconds_Behind_Master: 0 Master_SSL_Verify_Server_Cert: No Last_IO_Errno: 2061 Last_IO_Error: error connecting to master '[email protected]:3306' - retry-time: 60 retries: 3 message: Authentication plugin 'caching_sha2_password' reported error: Authentication requires secure connection. Last_SQL_Errno: 0 Last_SQL_Error: Replicate_Ignore_Server_Ids: Master_Server_Id: 0 Master_UUID: Master_Info_File: mysql.slave_master_info SQL_Delay: 0 SQL_Remaining_Delay: NULL Slave_SQL_Running_State: Slave has read all relay log; waiting for more updates Master_Retry_Count: 86400 Master_Bind: Last_IO_Error_Timestamp: 190828 17:25:26 Last_SQL_Error_Timestamp: Master_SSL_Crl: Master_SSL_Crlpath: Retrieved_Gtid_Set: Executed_Gtid_Set: dbda28c9-c970-11e9-b268-0800275c8ec3:1-8 Auto_Position: 1 Replicate_Rewrite_DB: Channel_Name: Master_TLS_Version: Master_public_key_path: Get_master_public_key: 0 Network_Namespace: 1 row in set (0.00 sec) mysql> show slave status\G *************************** 1. row *************************** Slave_IO_State: Connecting to master Master_Host: 192.168.56.15 Master_User: repl_user Master_Port: 3306 Connect_Retry: 60 Master_Log_File: Read_Master_Log_Pos: 4 Relay_Log_File: es3-relay-bin.000001 Relay_Log_Pos: 4 Relay_Master_Log_File: Slave_IO_Running: Connecting Slave_SQL_Running: Yes Replicate_Do_DB: Replicate_Ignore_DB: Replicate_Do_Table: Replicate_Ignore_Table: Replicate_Wild_Do_Table: Replicate_Wild_Ignore_Table: Last_Errno: 0 Last_Error: Skip_Counter: 0 Exec_Master_Log_Pos: 0 Relay_Log_Space: 155 Until_Condition: None Until_Log_File: Until_Log_Pos: 0 Master_SSL_Allowed: No Master_SSL_CA_File: Master_SSL_CA_Path: Master_SSL_Cert: Master_SSL_Cipher: Master_SSL_Key: Seconds_Behind_Master: 0 Master_SSL_Verify_Server_Cert: No Last_IO_Errno: 2061 Last_IO_Error: error connecting to master '[email protected]:3306' - retry-time: 60 retries: 3 message: Authentication plugin 'caching_sha2_password' reported error: Authentication requires secure connection. Last_SQL_Errno: 0 Last_SQL_Error: Replicate_Ignore_Server_Ids: Master_Server_Id: 0 Master_UUID: Master_Info_File: mysql.slave_master_info SQL_Delay: 0 SQL_Remaining_Delay: NULL Slave_SQL_Running_State: Slave has read all relay log; waiting for more updates Master_Retry_Count: 86400 Master_Bind: Last_IO_Error_Timestamp: 190828 17:25:26 Last_SQL_Error_Timestamp: Master_SSL_Crl: Master_SSL_Crlpath: Retrieved_Gtid_Set: Executed_Gtid_Set: dbda28c9-c970-11e9-b268-0800275c8ec3:1-8 Auto_Position: 1 Replicate_Rewrite_DB: Channel_Name: Master_TLS_Version: Master_public_key_path: Get_master_public_key: 0 Network_Namespace: 1 row in set (0.00 sec) mysql> stop salve ; ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'salve' at line 1 mysql> stop slave ; Query OK, 0 rows affected (0.28 sec) mysql> start slave; Query OK, 0 rows affected (0.03 sec) mysql> show slave status\G *************************** 1. row *************************** Slave_IO_State: Master_Host: 192.168.56.15 Master_User: Master_Port: 3306 Connect_Retry: 60 Master_Log_File: Read_Master_Log_Pos: 4 Relay_Log_File: es3-relay-bin.000001 Relay_Log_Pos: 4 Relay_Master_Log_File: Slave_IO_Running: No Slave_SQL_Running: Yes Replicate_Do_DB: Replicate_Ignore_DB: Replicate_Do_Table: Replicate_Ignore_Table: Replicate_Wild_Do_Table: Replicate_Wild_Ignore_Table: Last_Errno: 0 Last_Error: Skip_Counter: 0 Exec_Master_Log_Pos: 0 Relay_Log_Space: 155 Until_Condition: None Until_Log_File: Until_Log_Pos: 0 Master_SSL_Allowed: No Master_SSL_CA_File: Master_SSL_CA_Path: Master_SSL_Cert: Master_SSL_Cipher: Master_SSL_Key: Seconds_Behind_Master: 0 Master_SSL_Verify_Server_Cert: No Last_IO_Errno: 13117 Last_IO_Error: Fatal error: Invalid (empty) username when attempting to connect to the master server. Connection attempt terminated. Last_SQL_Errno: 0 Last_SQL_Error: Replicate_Ignore_Server_Ids: Master_Server_Id: 0 Master_UUID: Master_Info_File: mysql.slave_master_info SQL_Delay: 0 SQL_Remaining_Delay: NULL Slave_SQL_Running_State: Slave has read all relay log; waiting for more updates Master_Retry_Count: 86400 Master_Bind: Last_IO_Error_Timestamp: 190828 17:26:07 Last_SQL_Error_Timestamp: Master_SSL_Crl: Master_SSL_Crlpath: Retrieved_Gtid_Set: Executed_Gtid_Set: dbda28c9-c970-11e9-b268-0800275c8ec3:1-8 Auto_Position: 1 Replicate_Rewrite_DB: Channel_Name: Master_TLS_Version: Master_public_key_path: Get_master_public_key: 0 Network_Namespace: 1 row in set (0.00 sec) mysql> stop slave; Query OK, 0 rows affected (0.05 sec) mysql> START SLAVE USER = 'repl_user' PASSWORD = 'iwSeuFagt0&31' ; Query OK, 0 rows affected, 1 warning (0.01 sec) mysql> show slave status\G *************************** 1. row *************************** Slave_IO_State: Master_Host: 192.168.56.15 Master_User: Master_Port: 3306 Connect_Retry: 60 Master_Log_File: Read_Master_Log_Pos: 4 Relay_Log_File: es3-relay-bin.000001 Relay_Log_Pos: 4 Relay_Master_Log_File: Slave_IO_Running: No Slave_SQL_Running: Yes Replicate_Do_DB: Replicate_Ignore_DB: Replicate_Do_Table: Replicate_Ignore_Table: Replicate_Wild_Do_Table: Replicate_Wild_Ignore_Table: Last_Errno: 0 Last_Error: Skip_Counter: 0 Exec_Master_Log_Pos: 0 Relay_Log_Space: 155 Until_Condition: None Until_Log_File: Until_Log_Pos: 0 Master_SSL_Allowed: No Master_SSL_CA_File: Master_SSL_CA_Path: Master_SSL_Cert: Master_SSL_Cipher: Master_SSL_Key: Seconds_Behind_Master: 0 Master_SSL_Verify_Server_Cert: No Last_IO_Errno: 13117 Last_IO_Error: Fatal error: The slave I/O thread stops because master and slave have equal MySQL server ids; these ids must be different for replication to work (or the --replicate-same-server-id option must be used on slave but this does not always make sense; please check the manual before using it). Last_SQL_Errno: 0 Last_SQL_Error: Replicate_Ignore_Server_Ids: Master_Server_Id: 1 Master_UUID: Master_Info_File: mysql.slave_master_info SQL_Delay: 0 SQL_Remaining_Delay: NULL Slave_SQL_Running_State: Slave has read all relay log; waiting for more updates Master_Retry_Count: 86400 Master_Bind: Last_IO_Error_Timestamp: 190828 17:26:44 Last_SQL_Error_Timestamp: Master_SSL_Crl: Master_SSL_Crlpath: Retrieved_Gtid_Set: Executed_Gtid_Set: dbda28c9-c970-11e9-b268-0800275c8ec3:1-8 Auto_Position: 1 Replicate_Rewrite_DB: Channel_Name: Master_TLS_Version: Master_public_key_path: Get_master_public_key: 0 Network_Namespace: 1 row in set (0.00 sec) mysql> exit Bye [root@es3 ~]# exit 登出 Connection to es3 closed. [root@es2 ~]# vim /etc/my.cnf # For advice on how to change settings please see # http://dev.mysql.com/doc/refman/8.0/en/server-configuration-defaults.html [mysqld] # # Remove leading # and set to the amount of RAM for the most important data # cache in MySQL. Start at 70% of total RAM for dedicated server, else 10%. # innodb_buffer_pool_size = 128M # # Remove the leading "# " to disable binary logging # Binary logging captures changes between backups and is enabled by # default. It's default setting is log_bin=binlog # disable_log_bin # # Remove leading # to set options mainly useful for reporting servers. # The server defaults are faster for transactions and fast SELECTs. # Adjust sizes as needed, experiment to find the optimal values. # join_buffer_size = 128M # sort_buffer_size = 2M # read_rnd_buffer_size = 2M # # Remove leading # to revert to previous value for default_authentication_plugin, # this will increase compatibility with older clients. For background, see: # https://dev.mysql.com/doc/refman/8.0/en/server-system-variables.html#sysvar_default_authentication_plugin # default-authentication-plugin=mysql_native_password datadir=/var/lib/mysql #datadir=/var/lib/mysql-files/clone_dir2 socket=/var/lib/mysql/mysql.sock log-error=/var/log/mysqld.log pid-file=/var/run/mysqld/mysqld.pid gtid-mode = ON enforce-gtid-consistency = ON log-slave-updates = ON "/etc/my.cnf" 38L, 1366C 已写入 [root@es2 ~]# systemctl restart mysqld [root@es2 ~]# ssh es3 Last login: Wed Aug 28 17:25:38 2019 from es2 [root@es3 ~]# vim /etc/my.cnf # For advice on how to change settings please see # http://dev.mysql.com/doc/refman/8.0/en/server-configuration-defaults.html [mysqld] # # Remove leading # and set to the amount of RAM for the most important data # cache in MySQL. Start at 70% of total RAM for dedicated server, else 10%. # innodb_buffer_pool_size = 128M # # Remove the leading "# " to disable binary logging # Binary logging captures changes between backups and is enabled by # default. It's default setting is log_bin=binlog # disable_log_bin # # Remove leading # to set options mainly useful for reporting servers. # The server defaults are faster for transactions and fast SELECTs. # Adjust sizes as needed, experiment to find the optimal values. # join_buffer_size = 128M # sort_buffer_size = 2M # read_rnd_buffer_size = 2M # # Remove leading # to revert to previous value for default_authentication_plugin, # this will increase compatibility with older clients. For background, see: # https://dev.mysql.com/doc/refman/8.0/en/server-system-variables.html#sysvar_default_authentication_plugin # default-authentication-plugin=mysql_native_password datadir=/var/lib/mysql socket=/var/lib/mysql/mysql.sock log-error=/var/log/mysqld.log pid-file=/var/run/mysqld/mysqld.pid gtid-mode = ON enforce-gtid-consistency = ON log-slave-updates = ON "/etc/my.cnf" 37L, 1325C 已写入 [root@es3 ~]# systemctl restart mysqld [root@es3 ~]# mysql ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: NO) [root@es3 ~]# mysql -p'iwSeuFagt0&31'; mysql: [Warning] Using a password on the command line interface can be insecure. Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 11 Server version: 8.0.17 MySQL Community Server - GPL Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved. Oracle is a registered trademark of Oracle Corporation and/or its affiliates. Other names may be trademarks of their respective owners. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. mysql> show slave status\G *************************** 1. row *************************** Slave_IO_State: Connecting to master Master_Host: 192.168.56.15 Master_User: test Master_Port: 3306 Connect_Retry: 60 Master_Log_File: Read_Master_Log_Pos: 4 Relay_Log_File: es3-relay-bin.000002 Relay_Log_Pos: 4 Relay_Master_Log_File: Slave_IO_Running: Connecting Slave_SQL_Running: Yes Replicate_Do_DB: Replicate_Ignore_DB: Replicate_Do_Table: Replicate_Ignore_Table: Replicate_Wild_Do_Table: Replicate_Wild_Ignore_Table: Last_Errno: 0 Last_Error: Skip_Counter: 0 Exec_Master_Log_Pos: 124 Relay_Log_Space: 155 Until_Condition: None Until_Log_File: Until_Log_Pos: 0 Master_SSL_Allowed: No Master_SSL_CA_File: Master_SSL_CA_Path: Master_SSL_Cert: Master_SSL_Cipher: Master_SSL_Key: Seconds_Behind_Master: 0 Master_SSL_Verify_Server_Cert: No Last_IO_Errno: 1045 Last_IO_Error: error connecting to master '[email protected]:3306' - retry-time: 60 retries: 1 message: Access denied for user 'test'@'es3' (using password: NO) Last_SQL_Errno: 0 Last_SQL_Error: Replicate_Ignore_Server_Ids: Master_Server_Id: 0 Master_UUID: Master_Info_File: mysql.slave_master_info SQL_Delay: 0 SQL_Remaining_Delay: NULL Slave_SQL_Running_State: Slave has read all relay log; waiting for more updates Master_Retry_Count: 86400 Master_Bind: Last_IO_Error_Timestamp: 190828 17:28:11 Last_SQL_Error_Timestamp: Master_SSL_Crl: Master_SSL_Crlpath: Retrieved_Gtid_Set: Executed_Gtid_Set: dbda28c9-c970-11e9-b268-0800275c8ec3:1-8 Auto_Position: 1 Replicate_Rewrite_DB: Channel_Name: Master_TLS_Version: Master_public_key_path: Get_master_public_key: 0 Network_Namespace: 1 row in set (0.00 sec) mysql> stop slave; Query OK, 0 rows affected (0.28 sec) mysql> START SLAVE USER = 'repl_user' PASSWORD = 'iwSeuFagt0&31' ; Query OK, 0 rows affected, 1 warning (0.05 sec) mysql> show slave status\G *************************** 1. row *************************** Slave_IO_State: Waiting for master to send event Master_Host: 192.168.56.15 Master_User: repl_user Master_Port: 3306 Connect_Retry: 60 Master_Log_File: binlog.000003 Read_Master_Log_Pos: 195 Relay_Log_File: es3-relay-bin.000004 Relay_Log_Pos: 403 Relay_Master_Log_File: binlog.000003 Slave_IO_Running: Yes Slave_SQL_Running: Yes Replicate_Do_DB: Replicate_Ignore_DB: Replicate_Do_Table: Replicate_Ignore_Table: Replicate_Wild_Do_Table: Replicate_Wild_Ignore_Table: Last_Errno: 0 Last_Error: Skip_Counter: 0 Exec_Master_Log_Pos: 195 Relay_Log_Space: 1271 Until_Condition: None Until_Log_File: Until_Log_Pos: 0 Master_SSL_Allowed: No Master_SSL_CA_File: Master_SSL_CA_Path: Master_SSL_Cert: Master_SSL_Cipher: Master_SSL_Key: Seconds_Behind_Master: 0 Master_SSL_Verify_Server_Cert: No Last_IO_Errno: 0 Last_IO_Error: Last_SQL_Errno: 0 Last_SQL_Error: Replicate_Ignore_Server_Ids: Master_Server_Id: 1 Master_UUID: dbda28c9-c970-11e9-b268-0800275c8ec3 Master_Info_File: mysql.slave_master_info SQL_Delay: 0 SQL_Remaining_Delay: NULL Slave_SQL_Running_State: Slave has read all relay log; waiting for more updates Master_Retry_Count: 86400 Master_Bind: Last_IO_Error_Timestamp: Last_SQL_Error_Timestamp: Master_SSL_Crl: Master_SSL_Crlpath: Retrieved_Gtid_Set: dbda28c9-c970-11e9-b268-0800275c8ec3:9-10 Executed_Gtid_Set: dbda28c9-c970-11e9-b268-0800275c8ec3:1-10 Auto_Position: 1 Replicate_Rewrite_DB: Channel_Name: Master_TLS_Version: Master_public_key_path: Get_master_public_key: 0 Network_Namespace: 1 row in set (0.00 sec) mysql> show databases; +--------------------+ | Database | +--------------------+ | after_clone1 | | after_clone2 | | information_schema | | mysql | | performance_schema | | sys | +--------------------+ 6 rows in set (0.00 sec) mysql> exit Bye [root@es3 ~]# exit 登出 Connection to es3 closed. [root@es2 ~]# mysql -p'iwSeuFagt0&31' mysql: [Warning] Using a password on the command line interface can be insecure. Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 10 Server version: 8.0.17 MySQL Community Server - GPL Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved. Oracle is a registered trademark of Oracle Corporation and/or its affiliates. Other names may be trademarks of their respective owners. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. mysql> show databases; +--------------------+ | Database | +--------------------+ | after_clone1 | | after_clone2 | | information_schema | | mysql | | performance_schema | | sys | +--------------------+ 6 rows in set (0.00 sec) mysql> use after_clone2 Database changed mysql> create table t_clone(id int not null auto_increment primary key ,name varchar(255)); Query OK, 0 rows affected (0.36 sec) mysql> insert into t_clone(name) values('c'),('l'),('o'),('n'),('e'); Query OK, 5 rows affected (0.29 sec) Records: 5 Duplicates: 0 Warnings: 0 mysql> select * from after_clone2.t_clone; +----+------+ | id | name | +----+------+ | 1 | c | | 2 | l | | 3 | o | | 4 | n | | 5 | e | +----+------+ 5 rows in set (0.00 sec) mysql> drop database after_clone1; Query OK, 0 rows affected (0.31 sec) mysql> exit Bye [root@es2 ~]# ssh es3 Last login: Wed Aug 28 17:27:47 2019 from es2 [root@es3 ~]# mysql -p'iwSeuFagt0&31'; mysql: [Warning] Using a password on the command line interface can be insecure. Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 14 Server version: 8.0.17 MySQL Community Server - GPL Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved. Oracle is a registered trademark of Oracle Corporation and/or its affiliates. Other names may be trademarks of their respective owners. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. mysql> show databases; +--------------------+ | Database | +--------------------+ | after_clone2 | | information_schema | | mysql | | performance_schema | | sys | +--------------------+ 5 rows in set (0.00 sec) mysql> select * from after_clone2.t_clone; +----+------+ | id | name | +----+------+ | 1 | c | | 2 | l | | 3 | o | | 4 | n | | 5 | e | +----+------+ 5 rows in set (0.00 sec) mysql> exit Bye