Bug 1640746 - RBD bind mount on RHEL does not transistively acquire _netdev from original mount
Summary: RBD bind mount on RHEL does not transistively acquire _netdev from original m...
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: OpenShift Container Platform
Classification: Red Hat
Component: Storage
Version: 3.11.0
Hardware: Unspecified
OS: Unspecified
urgent
urgent
Target Milestone: ---
: 3.11.z
Assignee: Hemant Kumar
QA Contact: Wenqi He
URL:
Whiteboard:
Depends On: 1613902 1631449
Blocks:
TreeView+ depends on / blocked
 
Reported: 2018-10-18 16:02 UTC by Hemant Kumar
Modified: 2018-12-12 14:16 UTC (History)
15 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
Clone Of: 1631449
Environment:
Last Closed: 2018-12-12 14:15:51 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Bugzilla 1487316 1 None None None 2022-03-13 14:25:17 UTC
Red Hat Product Errata RHBA-2018:3743 0 None None None 2018-12-12 14:16:01 UTC

Comment 1 Hemant Kumar 2018-10-18 16:06:49 UTC 
https://github.com/openshift/origin/pull/21296
Comment 5 Wenqi He 2018-12-05 11:15:52 UTC 
Tested on below version:

openshift v3.11.50
kubernetes v1.11.0+d4cacc0

# uname -a
Linux ocp310.master.vsphere.local 3.10.0-862.3.2.el7.x86_64 #1 SMP Tue May 15 18:22:15 EDT 2018 x86_64 x86_64 x86_64 GNU/Linux
# cat /etc/redhat-release 
Red Hat Enterprise Linux Server release 7.5 (Maipo)


# oc get pods
NAME      READY     STATUS    RESTARTS   AGE
rbdpd     1/1       Running   0          1m
rbdpd1    1/1       Running   0          1m
rbdpd2    1/1       Running   0          52s

# mount | grep rbd
/dev/rbd0 on /var/lib/origin/openshift.local.volumes/plugins/kubernetes.io/rbd/mounts/rbd-image-kubernetes-dynamic-pvc-fbca0525-f87c-11e8-b698-0050569f4627 type ext4 (rw,relatime,seclabel,stripe=1024,data=ordered,_netdev)
/dev/rbd0 on /var/lib/origin/openshift.local.volumes/pods/5424f8de-f87d-11e8-8870-0050569f4627/volumes/kubernetes.io~rbd/pvc-fb999415-f87c-11e8-8870-0050569f4627 type ext4 (rw,relatime,seclabel,stripe=1024,data=ordered,_netdev)
/dev/rbd1 on /var/lib/origin/openshift.local.volumes/plugins/kubernetes.io/rbd/mounts/rbd-image-kubernetes-dynamic-pvc-0d4d0e95-f87d-11e8-b698-0050569f4627 type ext4 (rw,relatime,seclabel,stripe=1024,data=ordered,_netdev)
/dev/rbd1 on /var/lib/origin/openshift.local.volumes/pods/6055aec8-f87d-11e8-8870-0050569f4627/volumes/kubernetes.io~rbd/pvc-0d46838e-f87d-11e8-8870-0050569f4627 type ext4 (rw,relatime,seclabel,stripe=1024,data=ordered,_netdev)
/dev/rbd2 on /var/lib/origin/openshift.local.volumes/plugins/kubernetes.io/rbd/mounts/rbd-image-kubernetes-dynamic-pvc-1839e7a9-f87d-11e8-b698-0050569f4627 type ext4 (rw,relatime,seclabel,stripe=1024,data=ordered,_netdev)
/dev/rbd2 on /var/lib/origin/openshift.local.volumes/pods/6c9217d4-f87d-11e8-8870-0050569f4627/volumes/kubernetes.io~rbd/pvc-1835dda6-f87d-11e8-8870-0050569f4627 type ext4 (rw,relatime,seclabel,stripe=1024,data=ordered,_netdev)

Then reboot the node, node can be rebooted smoothly.
#last reboot | head -1
reboot   system boot  3.10.0-862.3.2.e Wed Dec  5 06:10 - 06:15  (00:04)
Comment 7 errata-xmlrpc 2018-12-12 14:15:51 UTC 
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHBA-2018:3743
Note You need to log in before you can comment on or make changes to this bug.