Hi, I have a docker container that is around 160GB in size (virtual/total size). I need to move this container to another server. I understand that I could save the container into a docker image, copy the image into another server, then revive the container on the new server. Considering the lar…

How have you been able to have a container with 160GB? Seems like you did not map any docker volumes (from host or remote shares like nfs/cifs) into your container to store persistent data there… Did you? Containers are supposed to be ephemeral/dispossable, as such the normal approach would be to …

Thank you for the input. We were kind of new to docker back then and was stuck with the situation. Is there any safe way to add a mount a new volume to an existing docker container? Maybe that way I can create a new volume, mount it within the current container, and migrate the data from the cont…

Nope, there is no way to add/remove a volume to an existing container. If you are lucky, the image declares one or more volumes that you didn’t map to a volume. If so, the data might be stored in /var/lib/docker/volumes/?/_data. Please share the output of this command: docker inspect --format '{{…

For some reason the command line you gave result in blank lines. I did a plain docker inspect and noticed “Mounts”: , i.e: empty mounts. Is there particular section I need to look at to determine if there’s unused volume mount point I can piggy back?

Well, if mounts is empty then its to be expected that the command gives an emtpy result. I am afraid you only solution is docker export/docker import.Good luck! Update: try to check if your files are available via merged dir. You can find the location with docker inspect --format '{{ .GraphDriver.…

Need advice on moving large docker container to another server

Docker Engine General

cgunadi (Cgunadi) June 23, 2020, 2:38pm 7

@meyay Thank you so much for the input!

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Need advice on moving large docker container to another server

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