Description of problem: Only one external attacher must be running for a CSI driver. Two or more of them will conflict with each other and all of them will try to attach one volume to a node. There should be some sort of leader election so only one attacher attaches a volume. Version-Release number of selected component (if applicable): csi-attacher-0.2.0-2.git27299be.el7
Upstream PR: https://github.com/kubernetes-csi/external-attacher/pull/48
I've built csi-attacher-0.2.0-3.git27299be.el7.src.rpm, it should propagate to Docker images and puddles in a few days.
To be clear, it's possible to use external attacher in a StatefulSet as today, I'll update docs to use Deployments once there are images with the new attacher.
I noticed csi-attacher-container-v3.10.0-0.47.0.0 image with csi-attacher-0.2.0-3.git27299be.el7.x86_64.rpm was built yesterday and it's availabe in out registry, so you can test it. I updated https://github.com/openshift/openshift-docs/pull/8783 and removed the StatefulSet to simplify the deployment.
Verified in openshift: oc v3.10.0-0.60.0 openshift v3.10.0-0.60.0 kubernetes v1.10.0+b81c8f8 csi-attacher-0.2.0-3.git27299be.el7.x86_64 csi-provisioner-0.2.0-2.el7.x86_64 csi-driver-registrar-0.2.0-1.el7.x86_64 # uname -a Linux qe-piqin-master-etcd-nfs-1 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)
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-2018:1816