{"action":"closed","issue":{"url":"https://api.github.com/repos/docker/docker/issues/14942","labels_url":"https://api.github.com/repos/docker/docker/issues/14942/labels{/name}","comments_url":"https://api.github.com/repos/docker/docker/issues/14942/comments","events_url":"https://api.github.com/repos/docker/docker/issues/14942/events","html_url":"https://github.com/docker/docker/issues/14942","id":97009898,"number":14942,"title":"Error mounting '/dev/mapper/docker-253:0","user":{"login":"fairysun","id":6995430,"avatar_url":"https://avatars.githubusercontent.com/u/6995430?v=3","gravatar_id":"","url":"https://api.github.com/users/fairysun","html_url":"https://github.com/fairysun","followers_url":"https://api.github.com/users/fairysun/followers","following_url":"https://api.github.com/users/fairysun/following{/other_user}","gists_url":"https://api.github.com/users/fairysun/gists{/gist_id}","starred_url":"https://api.github.com/users/fairysun/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/fairysun/subscriptions","organizations_url":"https://api.github.com/users/fairysun/orgs","repos_url":"https://api.github.com/users/fairysun/repos","events_url":"https://api.github.com/users/fairysun/events{/privacy}","received_events_url":"https://api.github.com/users/fairysun/received_events","type":"User","site_admin":false},"labels":[],"state":"closed","locked":false,"assignee":null,"milestone":null,"comments":2,"created_at":"2015-07-24T09:12:58Z","updated_at":"2015-07-28T07:16:04Z","closed_at":"2015-07-28T07:16:04Z","body":"Dear,\r\n\r\nI try to get some training from, while it outputs an error:\r\n[root@c265f04u21b11-v2 ~]# docker run learn/tutorial echo \"hello word\"\r\nUnable to find image 'learn/tutorial:latest' locally\r\nPulling repository learn/tutorial\r\n8dbd9e392a96: Error pulling image (latest) from learn/tutorial, endpoint: https://registry-1.docker.io/v1/, Error mounting '/dev/mapper/docker-253:0-2372650-8dbd9e392a964056420e5d58ca5cc376ef18e2de93b5cc90e868a1bbc8318c1c' on '/var/lib/dock8dbd9e392a96: Error pulling image (latest) from learn/tutorial, Error mounting '/dev/mapper/docker-253:0-2372650-8dbd9e392a964056420e5d58ca5cc376ef18e2de93b5cc90e868a1bbc8318c1c' on '/var/lib/docker/devicemapper/mnt/8dbd9e392a964056420e5d58Error pulling image (latest) from learn/tutorial, Error mounting '/dev/mapper/docker-253:0-2372650-8dbd9e392a964056420e5d58ca5cc376ef18e2de93b5cc90e868a1bbc8318c1c' on '/var/lib/docker/devicemapper/mnt/8dbd9e392a964056420e5d58ca5cc376ef18e2de93b5cc90e868a1bbc8318c1c': invalid argument\r\n[root@c265f04u21b11-v2 ~]# docker info\r\nContainers: 0\r\nImages: 0\r\nStorage Driver: devicemapper\r\n Pool Name: docker-253:0-2372650-pool\r\n Pool Blocksize: 65.54 kB\r\n Backing Filesystem: extfs\r\n Data file: /dev/loop0\r\n Metadata file: /dev/loop1\r\n Data Space Used: 589.8 kB\r\n Data Space Total: 107.4 GB\r\n Data Space Available: 39.79 GB\r\n Metadata Space Used: 581.6 kB\r\n Metadata Space Total: 2.147 GB\r\n Metadata Space Available: 2.147 GB\r\n Udev Sync Supported: true\r\n Deferred Removal Enabled: false\r\n Data loop file: /var/lib/docker/devicemapper/devicemapper/data\r\n Metadata loop file: /var/lib/docker/devicemapper/devicemapper/metadata\r\n Library Version: 1.02.89-RHEL6 (2014-09-01)\r\nExecution Driver: native-0.2\r\nLogging Driver: json-file\r\nKernel Version: 2.6.32-431.el6.x86_64\r\n\r\n\r\nAny clue? Thanks.\r\n"}}