Top "Device-mapper" questions

Block layer component of the Linux kernel to create and manage virtual block devices atop of physical block devices.

How to analyze disk usage of a Docker container

I can see that Docker takes 12GB of my filesystem: 2.7G /var/lib/docker/vfs/dir 2.7G /var/lib/docker/…

docker lxc device-mapper
Clean docker environment: devicemapper

I have a docker environment with 2 containers (Jenkins and Nexus, both with their own named volume). I have a daily …

docker device-mapper
Why is docker image eating up my disk space that is not used by docker

I have setup docker and I have used completely different block device to store docker's system data: [root@blink1 /]# cat /…

docker diskspace device-mapper
Can't run Docker container due device mapper error

I just can't create and run new containers in Docker anymore. But in the same time a can run previously …

docker lxc lvm device-mapper
How to clean docker devicemapper folder properly ?

I have some problem about the storage. The folder /var/lib/docker/devicemapper/ is taking 50% of my storage. In the …

docker device-mapper