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Description of problem: --- - When we run uninstall playbook, it fails sometimes due to following error. 2018-06-14 14:57:10,681 p=40718 u=root | TASK [Wipe out Docker storage contents] ************************************************************************************************************************************* 2018-06-14 14:57:11,244 p=40718 u=root | failed: [xx.xx.xx.xx] (item= dockervg) => {"changed": true, "cmd": ["vgremove", "-f", "dockervg"], "delta": "0:00:00.016968", "end": "2018-06-14 14:57:11.222545", "failed": true, "item": " dockervg", "msg": "non-zero return code", "rc": 5, "start": "2018-06-14 14:57:11.205577", "stderr": " Logical volume dockervg/dockerlv contains a filesystem in use.", "stderr_lines": [" Logical volume dockervg/dockerlv contains a filesystem in use."], "stdout": "", "stdout_lines": []} Version ---- ansible-2.4.4.0-1.el7ae.noarch Tue Jun 12 09:38:29 2018 openshift-ansible-3.9.30-1.git.7.46f8678.el7.noarch Tue Jun 12 09:38:36 2018 openshift-ansible-docs-3.9.30-1.git.7.46f8678.el7.noarch Tue Jun 12 09:38:34 2018 openshift-ansible-playbooks-3.9.30-1.git.7.46f8678.el7.noarch Tue Jun 12 09:38:34 2018 openshift-ansible-roles-3.9.30-1.git.7.46f8678.el7.noarch Tue Jun 12 09:38:35 2018 How reproducible: not 100% (but 100% on customer's env) Steps to Reproduce: --- 1. Install OCP 3.9 (though the cu installed standalone registry, it doesn't matter I think.) 2. Run uninstall playbook Actual results: --- - Got error Expected results: --- - No error Additional info: --- - Proposed patch https://github.com/openshift/openshift-ansible/pull/8777 - Not only this issue, but also current playbook remove VG which contains 'docker' anyway.
> How reproducible: not 100% (but 100% on customer's env) This issue could be reproducible 100% when CONTAINER_ROOT_LV_MOUNT_PATH in /etc/sysconfig/docker-storage-setup was specified like below: # cat /etc/sysconfig/docker-storage-setup STORAGE_DRIVER=overlay2 DEVS=/dev/vdb CONTAINER_ROOT_LV_NAME=dockerlv CONTAINER_ROOT_LV_SIZE=100%FREE CONTAINER_ROOT_LV_MOUNT_PATH=/var/lib/docker VG=dockervg WIPE_SIGNATURES=true # systemctl stop docker # vgremove -f dockervg Logical volume dockervg/dockerlv contains a filesystem in use.
This workaround seems to help: https://bugzilla.redhat.com/show_bug.cgi?id=1572266#c38
*** Bug 1599990 has been marked as a duplicate of this bug. ***
https://github.com/openshift/openshift-ansible/pull/8823 release-3.10 backport
Fix is available in openshift-ansible-3.10.21-1
Marking this as a duplicate of #1569553 Docker uninstall should be controlled by a boolean and leave `/var/lib/docker` untouched (as it might be stored on a different path). Mike's PR has been merged to master and not yet backported to 3.10 *** This bug has been marked as a duplicate of bug 1569553 ***
*** Bug 1620909 has been marked as a duplicate of this bug. ***