Skip to main content
NetApp Knowledge Base

Pod fails to mount PVC using NFS when UserNamespacesSupport is enabled on Kubernetes

  1. Last updated
    Sep 24, 2024
  2. Save as PDF
Views:
114
Visibility:
Public
Votes:
0
Category:
astra_trident
Specialty:
snapx
Last Updated:
9/24/2024, 6:52:15 AM

Applies to

  • Astra Trident
  • NFS
  • Kubernetes with enabled UserNamespacesSupport feature gate
  • hostUsers: false in pod specifications 

Issue

  • Pod fails to mount PVC using NFS
  • kubectl describe pod shows warning:

Warning  Failed                  12s (x2 over 15s)  kubelet                  Error: failed to create containerd task: failed to create shim task: OCI runtime create failed: runc create failed: unable to start container process: error during container init: failed to fulfil mount request: failed to set MOUNT_ATTR_IDMAP on /var/lib/kubelet/pods/xxxxxxxx-xxxx-xxxx-xxxxxxxxxxxx/volumes/kubernetes.io~csi/xxxxxxxx-xxxx-xxxx-xxxxxxxxxxxx/mount: invalid argument (maybe the filesystem used doesn't support idmap mounts on this kernel?): unknown

 

Sign in to view the entire content of this KB article.

New to NetApp?

Learn more about our award-winning Support

NetApp provides no representations or warranties regarding the accuracy or reliability or serviceability of any information or recommendations provided in this publication or with respect to any results that may be obtained by the use of the information or observance of any recommendations provided herein. The information in this document is distributed AS IS and the use of this information or the implementation of any recommendations or techniques herein is a customer's responsibility and depends on the customer's ability to evaluate and integrate them into the customer's operational environment. This document and the information contained herein may be used solely in connection with the NetApp products discussed in this document.