https://bugzilla.redhat.com/show_bug.cgi?id=1316210
Bug ID: 1316210
Summary: Cannot set dm.basesize until docker has been started
Product: Fedora
Version: rawhide
Component: docker-io
Severity: medium
Assignee: ichav...@redhat.com
Reporter: mason.jo...@creditkarma.com
QA Contact: extras...@fedoraproject.org
CC: adima...@gmail.com, admil...@redhat.com,
golang@lists.fedoraproject.org, hushan....@gmail.com,
ichav...@redhat.com, jchal...@redhat.com,
jper...@centos.org, l...@redhat.com,
mgold...@redhat.com, mimi...@redhat.com, s...@shk.io,
thr...@redhat.com, vba...@redhat.com,
wo...@nobugconsulting.ro
Description of problem:
When using terraform to bring up a new EC2 instance with Docker, I wanted to
modify the dm.basesize option before starting Docker. To do this, my script
adds a line to the /etc/sysconfig/docker-storage file:
DOCKER_STORAGE_OPTIONS= --storage-opt dm.basesize=50G
However, when it then tries to start Docker with systemctl start docker.service
I was getting an error:
Error starting daemon: error initializing graphdriver: Unknown option
dm.basesize
I had used this same line before, but realized that it was after Docker had
been started at least once on the server. So then I changed things to:
systemctl start docker.service
Add the line to /etc/sysconfigdocker-storage
systemctl restart docker.service
This works fine. Maybe Docker needs to be started at least once on the server
in order to initialize the storage subsystem somehow? Before that's done, it
doesn't recognize the storage option. This is sort of crazy, so is there a
proper fix/workaround?
Version-Release number of selected component (if applicable):
Output of "docker version": Docker version 1.7.1, build 446ad9b/1.7.1
This is on AWS EC2, running CentOS Linux release 7.1.1503 (Core).
I first asked this as an issue against Docker
(https://github.com/docker/docker/issues/21037) but they said since it's a Red
Hat-supported build of Docker it should be asked here.
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