devicemapper: Error running deviceCreate (ActivateDevice) dm_task_run failed

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在一台新機子上面，docker處理完lvs資料卷之後，啟動docker服務時，出現了啟動失敗，失敗資訊如下：

[[email protected] ~]# systemctl status docker● docker.service - Docker Application Container Engine   Loaded: loaded (/usr/lib/systemd/system/docker.service; enabled; vendor preset: disabled)  Drop-In: /usr/lib/systemd/system/docker.service.d           └─flannel.conf   Active: failed (Result: exit-code) since Tue 2018-07-24 14:06:15 CST; 4s ago     Docs: https://docs.docker.com  Process: 28723 ExecStart=/usr/bin/dockerd $DOCKER_NETWORK_OPTIONS $DOCKER_NETWORK_OPTIONS $DOCKER_STORAGE_OPTIONS (code=exited, status=1/FAILURE) Main PID: 28723 (code=exited, status=1/FAILURE)   Memory: 412.0K   CGroup: /system.slice/docker.serviceJul 24 14:06:14 hxin221 systemd[1]: Starting Docker Application Container Engine...Jul 24 14:06:14 hxin221 dockerd[28723]: time="2018-07-24T14:06:14.416711161+08:00" level=info msg="libcontainerd: new containerd process, pid: 28738"Jul 24 14:06:15 hxin221 dockerd[28723]: Error starting daemon: error initializing graphdriver: devmapper: Base Device UUID and Filesystem verification failed: devicemapper: Error running deviceCreate (ActivateDevice) dm_task_run failedJul 24 14:06:15 hxin221 systemd[1]: docker.service: main process exited, code=exited, status=1/FAILUREJul 24 14:06:15 hxin221 systemd[1]: Failed to start Docker Application Container Engine.Jul 24 14:06:15 hxin221 systemd[1]: Unit docker.service entered failed state.Jul 24 14:06:15 hxin221 systemd[1]: docker.service failed.

　　

總的來說就是：

Error starting daemon: error initializing graphdriver: devmapper: Base Device UUID and Filesystem verification failed: devicemapper: Error running deviceCreate (ActivateDevice) dm_task_run failed

　　

好吧，這個錯誤，之前沒有遇到過，踩了很多坑，最終，想了想，莫非這台機子早先時候已經裝了docker，然後舊資料導致的？

於是乎，就抱著試試看的目的，執行了如下操作：

[[email protected] ~]# rm -rf /var/lib/docker/*

　　沒錯，清除了docker的資料，由於是新機子，我也沒有做什麼備份處理，其他小夥伴如果又遇到的話，記得先備份資料。

於是，重啟服務

[[email protected] ~]# systemctl restart docker

　　OK，問題不大，解決了。

 

以上

devicemapper: Error running deviceCreate (ActivateDevice) dm_task_run failed