Hi, as in the title, i’m trying to know how change the /var/lib/docker default installation folder with another in a different partition. This because i’ve no enough space in root partition but i still need of all installed containers. I searched on the web for this question before ask it here. Who …

stop the docker deamon make a link to another folder for the ‘docker’ path (/var/lib/{symlink}) start the docker daemon

@sdetweil thanks for reply… more simple than i was think :slight_smile: but before links the docker folder, i’ve to move existents contents into the new directory?

yes make the new folder on the other volume, stop the docker daemon, move everything, make a symbolic link, start docker daemon…

@sdetweil thanks! it works! Good year. :wink:

Hi, I did this but I get an error while trying to build an image from Dockerfile saying: OCI runtime create failed: /var/lib/docker/overlay2/6b43fa390506232a0d0895db436eebaf717d630a05d40b464f24673fdbd273c9/merged is not an absolute path or is a symlink: unknown Could this be related to creating …

Did u copy everything from the original /var/lib to the new location with the same privileges?

I am actually seeing this same exact issue but in a slightly different scenario. Instead of having the entire /var/lib/docker directory symlinked, I only symlinked /var/lib/docker/overlay2 to have it mapped to a separate mount so as to minimize space consumption on my root filesystem. So, yeah, def…

How about doing it properly? Edit the file /etc/docker/daemon.json and add or modfy the “data-root” entry. If you configuration is empty, the file will look like this: { “data-root”: “/new/data/root/path” } Restart the docker daemon! source: [image] dockerd The daemon command desc…

@meyay : Thank you. This info saved my day.

How to change /var/lib/docker directory with Overlay2

General

ajkofink March 25, 2019, 2:51pm 9

I found the same. You must move the entire /var/lib/docker directory and symlink it, not just a subdirectory.

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How to change /var/lib/docker directory with Overlay2

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