1. 問題

centos7.0安裝docker engine時，系統有以下提示：

# yum  install  docker-engine     

Running transaction check
Running transaction test
Transaction check error:
file /usr/lib/systemd/system/blk-availability.service from install of device-mapper-7:1.02.107-5.el7_2.5.x86_64 conflicts with file from package lvm2-7
 
:2.02.105-14.el7.x86_64
file /usr/sbin/blkdeactivate from install of device-mapper-7:1.02.107-5.el7_2.5.x86_64 conflicts with file from package lvm2-7:2.02.105-14.el7.x86_64
file /usr/share/man/man8/blkdeactivate.8.gz from install of device-mapper-7:1.02.107-5.el7_2.5.x86_64 conflicts with file from package lvm2-7:2.02
 
.105-14.el7.x86_64
Error Summary

2. 解決方法

# yum  install  libdevmapper*   -y      //安裝libdevmapper*

# yum  install  docker-engine   -y