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I am facing a problem during a web service deployment. The web service runs in a docker container and the first couple of times it started and worked properly.

Last time during the load of the image I received the "no space left on device" error message. I checked the disk space and overlay2 and /dev/vda1 were almost full (9.7 GB/10 GB) I removed all the docker images and containers. In order to clean docker the docker system prune --all --volumes --force command was applied.

Then I checked the space used by docker and it was 0 (see the print screen below).

Space used by docker

Unfortunately /dev/vda1 still has the same size (see the result of disk space inspection) and I am getting the same "no space left on device" error message.

Disk space

Since I have uploaded only docker images I suppose that this folder is docker related.

Do you have any idea how I can get rid of this wasted disk space?

Rohit Gupta
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Tibor Janosi
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1 Answers1

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Reboot.

Files that are open are left in place (but with no visible file name), so killing the process will let the space be reclaimed. A reboot is the simplest way to ensure that all dangling references are removed.

vidarlo
  • 9,165
  • Dear vidarlo, Thanks for your answer. It took some time, but I have just restarted the server. Unfortunately the problem still persist (i.e. the size of /dev/vda1 is 9.9 GB). Do you have any other idea? Best Regards, Tibor – Tibor Janosi Sep 24 '23 at 17:02
  • Why do you expect the size of vda1 to change? – vidarlo Sep 24 '23 at 18:27
  • I can not use the server. I am continuously getting the error message: "no space left on device". – Tibor Janosi Sep 26 '23 at 02:19