[JIRA] (OVIRT-1421) Docker storage issues on FC25 nodes

[Barak Korren (oVirt JIRA)]

Barak Korren created OVIRT-1421:
-----------------------------------

             Summary: Docker storage issues on FC25 nodes
                 Key: OVIRT-1421
                 URL: https://ovirt-jira.atlassian.net/browse/OVIRT-1421
             Project: oVirt - virtualization made easy
          Issue Type: Bug
          Components: oVirt CI
            Reporter: Barak Korren
            Assignee: infra
            Priority: High


docekr startup seems to be failing on FC24 nodes and making other dokcer commands get stuck forever.

The core reason behind the failure seems to be that the Docker storage setup failed:

{code}
[root at vm0064 ~]# systemctl status docker-storage-setup
● docker-storage-setup.service - Docker Storage Setup
   Loaded: loaded (/usr/lib/systemd/system/docker-storage-setup.service; disabled; vendor preset: disabled)
   Active: failed (Result: exit-code) since Tue 2017-05-30 03:14:49 UTC; 1 day 2h ago
  Process: 1489 ExecStart=/usr/bin/docker-storage-setup (code=exited, status=1/FAILURE)
 Main PID: 1489 (code=exited, status=1/FAILURE)

May 30 03:14:49 vm0064.workers-phx.ovirt.org systemd[1]: Starting Docker Storage Setup...
May 30 03:14:49 vm0064.workers-phx.ovirt.org docker-storage-setup[1489]: INFO: Volume group backing root filesystem could not be determined
May 30 03:14:49 vm0064.workers-phx.ovirt.org docker-storage-setup[1489]: ERROR: No valid volume group found. Exiting.
May 30 03:14:49 vm0064.workers-phx.ovirt.org systemd[1]: docker-storage-setup.service: Main process exited, code=exited, status=1/FAILURE
May 30 03:14:49 vm0064.workers-phx.ovirt.org systemd[1]: Failed to start Docker Storage Setup.
May 30 03:14:49 vm0064.workers-phx.ovirt.org systemd[1]: docker-storage-setup.service: Unit entered failed state.
May 30 03:14:49 vm0064.workers-phx.ovirt.org systemd[1]: docker-storage-setup.service: Failed with result 'exit-code'.
{code}

This seem to be does to the fact that the system's root filesystem is on a plain disk rather then LVM. This is although the docker default DM storage driver is supposed to be able to use a plaing file on the filesystem. Need to check if this is an issue specific to this slave of something that has to do with all FC24 slaves.



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