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Re: [atomic-devel] Failed to start Docker Storage Setup

On 05/15/2018 07:44 PM, Rares Vernica wrote:
> Hi,
> I installed the latest CentOS image on bare metal. Docker seems to work fine, but I get an error message at start-up about the docker-storage-setup service failing to start. I am happy with the current Docker storage setup, I just want want this storage service to be happy and not error at start-up.
> This is what I get when I check the status of the service:
> # systemctl status docker-storage-setup.service -l
> ● docker-storage-setup.service - Docker Storage Setup
>    Loaded: loaded (/usr/lib/systemd/system/docker-storage-setup.service; enabled; vendor preset: disabled)
>    Active: failed (Result: exit-code) since Tue 2018-05-15 15:48:52 PDT; 28min ago
>   Process: 992 ExecStart=/usr/bin/container-storage-setup (code=exited, status=1/FAILURE)
>  Main PID: 992 (code=exited, status=1/FAILURE)
> May 15 15:48:50 blu systemd[1]: Starting Docker Storage Setup...
> May 15 15:48:52 blu container-storage-setup[992]: ERROR: Storage is already configured with devicemapper driver. Can't configure it with overlay2 driver. To override, remove /etc/sysconfig/docker-storage and retry.
> May 15 15:48:52 blu systemd[1]: docker-storage-setup.service: main process exited, code=exited, status=1/FAILURE
> May 15 15:48:52 blu systemd[1]: Failed to start Docker Storage Setup.
> May 15 15:48:52 blu systemd[1]: Unit docker-storage-setup.service entered failed state.
> May 15 15:48:52 blu systemd[1]: docker-storage-setup.service failed.
> And this is the current content of the docker-storage file:
> # cat /etc/sysconfig/docker-storage
> DOCKER_STORAGE_OPTIONS="--storage-driver devicemapper --storage-opt dm.fs=xfs --storage-opt dm.thinpooldev=/dev/mapper/cah_blu-docker--pool --storage-opt dm.use_deferred_removal=true --storage-opt dm.use_deferred_deletion=true "
> I'm a bit confused why the service complains about overlay2 driver when only devicemapper is mentioned in the docker-storage file.

I think we need to look at the contents of /etc/sysconfig/docker-storage-setup.
What is in that file? 

Did you just install the latest? Did you do any upgrades since then?

I just updated a node from 7.1711 to 7.1803 and I see an issue where
docker won't come up because of a similar problem (i.e. issue with
docker-storage-setup service), but I also see another problem.

I documented the issues in https://pagure.io/atomic-wg/issue/498


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