Multipath

安装启用

## CentOS 
## 查看系统是否安装
rpm -qa | grep "multipath"
## 安装
yum install device-mapper-multipath  
## 开机启动
systemctl enable multipathd
## 启动
chkconfig multipathd on
systemctl start multipathd
service multipathd start## ubuntu
## 查看系统是否安装
apt list | grep "multipath"
# multipath-tools-boot/focal 0.8.3-1ubuntu2 all
# multipath-tools/focal,now 0.8.3-1ubuntu2 amd64 [installed,automatic]
apt-get install multipath-tools

device-mapper-1.02.202-3.el9.x86_64.rpm
//设备映射器实用程序
device-mapper-event-1.02.202-3.el9.x86_64.rpm
//设备映射器事件守护程序
device-mapper-multipath-0.8.7-34.el9.x86_64.rpm
//使用 device-mapper 管理多路径设备的工具

实践结果如图，垃圾设备

记录几个rpm离线包下载地址：
https://centos.pkgs.org/
https://developer.aliyun.com/mirror/