问题：CentOS 7.0部署Docker报错
CentOS7.0版本
[root@localhostcdrom]# uname -a
Linuxlocalhost.localdomain 3.10.0-123.el7.x86_64 #1 SMP Mon Jun 30 12:09:22 UTC 2014x86_64 x86_64 x86_64 GNU/Linux
Docker版本
docker x86_64 1.5.0-28.el7.centos extras 7.2 M
[root@localhostmnt]# docker info
FATA[0000] Get http:///var/run/docker.sock/v1.18/info:dial unix /var/run/docker.sock: no such file or directory. Are you trying toconnect to a TLS-enabled daemon without TLS?
[root@localhostrun]# systemctl docker start
Unknown operation'docker'.
[root@localhostrun]# docker info
FATA[0000] Cannotconnect to the Docker daemon. Is 'docker -d' running on this host?
用docker-d查看提示 libdevmapper.so.1.02不能被定义
[root@localhostrun]# docker -d
INFO[0000] +jobserveapi(unix:///var/run/docker.sock)
INFO[0000] Listeningfor HTTP on unix (/var/run/docker.sock)
docker: relocationerror: docker: symbol dm_task_get_info_with_deferred_remove, version Base notdefined in filelibdevmapper.so.1.02 with link time reference
安装libdevmapper.so.1.02（在CentOS7.0光盘中提供）
[root@localhost cdrom]# yuminstall libdevmapper* -y
Loaded plugins:fastestmirror, langpacks
Repository debug islisted more than once in the configuration
Loading mirrorspeeds from cached hostfile
* base: mirrors.btte.net
* extras: mirrors.btte.net
* updates: mirrors.btte.net
ResolvingDependencies
--> Runningtransaction check
---> Packagedevice-mapper-event-libs.x86_64 7:1.02.84-14.el7 will be updated
--> ProcessingDependency: device-mapper-event-libs = 7:1.02.84-14.el7 for package:7:device-mapper-event-1.02.84-14.el7.x86_64
---> Packagedevice-mapper-event-libs.x86_64 7:1.02.93-3.el7 will be an update
---> Packagedevice-mapper-libs.x86_64 7:1.02.84-14.el7 will be updated
--> ProcessingDependency: device-mapper-libs = 7:1.02.84-14.el7 for package:7:device-mapper-1.02.84-14.el7.x86_64
---> Packagedevice-mapper-libs.x86_64 7:1.02.93-3.el7 will be an update
---> Packagelvm2-libs.x86_64 7:2.02.105-14.el7 will be updated
--> ProcessingDependency: lvm2-libs = 7:2.02.105-14.el7 for package:7:lvm2-2.02.105-14.el7.x86_64
---> Packagelvm2-libs.x86_64 7:2.02.115-3.el7 will be an update
--> Runningtransaction check
---> Packagedevice-mapper.x86_64 7:1.02.84-14.el7 will be updated
---> Packagedevice-mapper.x86_64 7:1.02.93-3.el7 will be an update
---> Packagedevice-mapper-event.x86_64 7:1.02.84-14.el7 will be updated
---> Packagedevice-mapper-event.x86_64 7:1.02.93-3.el7 will be an update
---> Packagelvm2.x86_64 7:2.02.105-14.el7 will be updated
---> Packagelvm2.x86_64 7:2.02.115-3.el7 will be an update
--> FinishedDependency Resolution
DependenciesResolved
===================================================================================
Package Arch Version Repository
Size
===================================================================================
Updating:
device-mapper-event-libs x86_64 7:1.02.93-3.el7 base 151 k
device-mapper-libs x86_64 7:1.02.93-3.el7 base 259 k
lvm2-libs x86_64 7:2.02.115-3.el7 base 765 k
Updating fordependencies:
device-mapper x86_64 7:1.02.93-3.el7 base 209 k
device-mapper-event x86_64 7:1.02.93-3.el7 base 158 k
lvm2 x86_64 7:2.02.115-3.el7 base 896 k
Transaction Summary
===================================================================================
Upgrade 3 Packages (+3 Dependent packages)
Total download size:2.4 M
Downloadingpackages:
No Presto metadataavailable for base
(1/6):device-mapper-1.02.93-3.el7.x86_64.rpm | 209 kB 00:00:01
(2/6):device-mapper-event-1.02.93-3.el7.x86_64.rpm | 158 kB 00:00:02
(3/6):device-mapper-libs-1.02.93-3.el7.x86_64.rpm | 259 kB 00:00:03
(4/6):device-mapper-event-libs-1.02.93-3.el7.x86_64.rpm | 151 kB 00:00:03
(5/6):lvm2-libs-2.02.115-3.el7.x86_64.rpm | 765 kB 00:00:03
(6/6):lvm2-2.02.115-3.el7.x86_64.rpm | 896 kB 00:00:22
-----------------------------------------------------------------------------------
Total 108 kB/s | 2.4 MB 00:22
Running transactioncheck
Running transactiontest
Transaction testsucceeded
Running transaction
Updating : 7:device-mapper-1.02.93-3.el7.x86_64 1/12
Updating : 7:device-mapper-libs-1.02.93-3.el7.x86_64 2/12
Updating : 7:device-mapper-event-libs-1.02.93-3.el7.x86_64 3/12
Updating : 7:device-mapper-event-1.02.93-3.el7.x86_64 4/12
Updating : 7:lvm2-libs-2.02.115-3.el7.x86_64 5/12
Updating : 7:lvm2-2.02.115-3.el7.x86_64 6/12
Cleanup : 7:lvm2-2.02.105-14.el7.x86_64 7/12
Cleanup : 7:lvm2-libs-2.02.105-14.el7.x86_64 8/12
Cleanup : 7:device-mapper-event-1.02.84-14.el7.x86_64 9/12
Cleanup : 7:device-mapper-event-libs-1.02.84-14.el7.x86_64 10/12
Cleanup : 7:device-mapper-1.02.84-14.el7.x86_64 11/12
Cleanup : 7:device-mapper-libs-1.02.84-14.el7.x86_64 12/12
Verifying : 7:lvm2-2.02.115-3.el7.x86_64 1/12
Verifying : 7:device-mapper-event-1.02.93-3.el7.x86_64 2/12
Verifying : 7:lvm2-libs-2.02.115-3.el7.x86_64 3/12
Verifying : 7:device-mapper-libs-1.02.93-3.el7.x86_64 4/12
Verifying : 7:device-mapper-event-libs-1.02.93-3.el7.x86_64 5/12
Verifying : 7:device-mapper-1.02.93-3.el7.x86_64 6/12
Verifying : 7:lvm2-2.02.105-14.el7.x86_64 7/12
Verifying : 7:device-mapper-event-1.02.84-14.el7.x86_64 8/12
Verifying : 7:lvm2-libs-2.02.105-14.el7.x86_64 9/12
Verifying : 7:device-mapper-event-libs-1.02.84-14.el7.x86_64 10/12
Verifying : 7:device-mapper-libs-1.02.84-14.el7.x86_64 11/12
Verifying : 7:device-mapper-1.02.84-14.el7.x86_64 12/12
Updated:
device-mapper-event-libs.x86_647:1.02.93-3.el7
device-mapper-libs.x86_647:1.02.93-3.el7
lvm2-libs.x86_64 7:2.02.115-3.el7
Dependency Updated:
device-mapper.x86_64 7:1.02.93-3.el7 device-mapper-event.x86_64 7:1.02.93-3.el7
lvm2.x86_64 7:2.02.115-3.el7
Complete!
重新启动Docker
[root@localhostcdrom]# systemctl start docker
查看dockerinfo如果提示如下，证明已经部署完成
[root@localhostcdrom]# docker info
Containers: 0
Images: 0
Storage Driver:devicemapper
Pool Name: docker-253:1-69282135-pool
Pool Blocksize: 65.54 kB
Backing Filesystem: xfs
Data file: /dev/loop0
Metadata file: /dev/loop1
Data Space Used: 307.2 MB
Data Space Total: 107.4 GB
Data Space Available: 55.49 GB
Metadata Space Used: 729.1 kB
Metadata Space Total: 2.147 GB
Metadata Space Available: 2.147 GB
Udev Sync Supported: true
Data loop file:/var/lib/docker/devicemapper/devicemapper/data
Metadata loop file:/var/lib/docker/devicemapper/devicemapper/metadata
Library Version: 1.02.93-RHEL7 (2015-01-28)
Execution Driver:native-0.2
Kernel Version:3.10.0-123.el7.x86_64
Operating System:CentOS Linux 7 (Core)
CPUs: 1
Total Memory: 1.784GiB
Name:localhost.localdomain
ID:HVUS:CCPV:GAPJ:S5RC:RZKH:7TCA:YOKB:YFSK:LA6M:EGEF:WQ55:6NRW
[root@localhostcdrom]# docker images
REPOSITORY TAG IMAGE ID CREATED VIRTUAL SIZE