redhat docker1.10修改镜像位置

docker infoContainers: 0 Running: 0 Paused: 0 Stopped: 0Images: 0Server Version: 1.10.3Storage Driver: devicemapper Pool Name: docker-253:1-9920359-pool Pool Blocksize: 65.54 kB Base Device Size: 10.74 GB Backing Filesystem: xfs Data file: /dev/loop0 Metadata file: /dev/loop1 Data Space Used: 11.8 MB Data Space Total: 107.4 GB Data Space Available: 193.5 MB Metadata Space Used: 581.6 kB Metadata Space Total: 2.147 GB Metadata Space Available: 193.5 MB Udev Sync Supported: true Deferred Removal Enabled: false Deferred Deletion Enabled: false Deferred Deleted Device Count: 0 Data loop file: /var/lib/docker/devicemapper/devicemapper/data WARNING: Usage of loopback devices is strongly discouraged for production use. Either use `--storage-opt dm.thinpooldev` or use `--storage-opt dm.no_warn_on_loop_devices=true` to suppress this warning. Metadata loop file: /var/lib/docker/devicemapper/devicemapper/metadata Library Version: 1.02.135-RHEL7 (2016-11-16)Execution Driver: native-0.2Logging Driver: journaldPlugins:  Volume: local Network: bridge null host Authorization: rhel-push-pluginKernel Version: 3.10.0-514.16.1.el7.x86_64Operating System: Red Hat Enterprise Linux Server 7.2 (Maipo)OSType: linuxArchitecture: x86_64Number of Docker Hooks: 2CPUs: 4Total Memory: 7.639 GiBName: hz-10-200-142-49.h.lmlcID: LDIK:365Q:ND5E:QZ56:I7BG:GFOW:OQX4:YDUC:KNXQ:34DJ:HFU2:PUSRRegistries: registry.access.redhat.com (secure), docker.io (secure)

默认情况下docker的镜像位置是在/var/lib/docker下面，修改

vim /etc/sysconfig/docker
添加
OPTIONS=–graph=”/data/docker”

重启docker后，目录已经改变

docker infoContainers: 0 Running: 0 Paused: 0 Stopped: 0Images: 0Server Version: 1.10.3Storage Driver: devicemapper Pool Name: docker-252:0-847643153-pool Pool Blocksize: 65.54 kB Base Device Size: 10.74 GB Backing Filesystem: xfs Data file: /dev/loop0 Metadata file: /dev/loop1 Data Space Used: 11.8 MB Data Space Total: 107.4 GB Data Space Available: 107.4 GB Metadata Space Used: 581.6 kB Metadata Space Total: 2.147 GB Metadata Space Available: 2.147 GB Udev Sync Supported: true Deferred Removal Enabled: false Deferred Deletion Enabled: false Deferred Deleted Device Count: 0 Data loop file: /data/docker/devicemapper/devicemapper/data WARNING: Usage of loopback devices is strongly discouraged for production use. Either use `--storage-opt dm.thinpooldev` or use `--storage-opt dm.no_warn_on_loop_devices=true` to suppress this warning. Metadata loop file: /data/docker/devicemapper/devicemapper/metadata Library Version: 1.02.135-RHEL7 (2016-11-16)Execution Driver: native-0.2Logging Driver: json-filePlugins:  Volume: local Network: null host bridge Authorization: rhel-push-pluginKernel Version: 3.10.0-514.16.1.el7.x86_64Operating System: Red Hat Enterprise Linux Server 7.2 (Maipo)OSType: linuxArchitecture: x86_64Number of Docker Hooks: 2CPUs: 4Total Memory: 7.639 GiBName: hz-10-200-142-49.h.lmlcID: LDIK:365Q:ND5E:QZ56:I7BG:GFOW:OQX4:YDUC:KNXQ:34DJ:HFU2:PUSRRegistries: registry.access.redhat.com (secure), docker.io (secure)