NFS client fails to unmount an unreachable NFS server on reboot

Solution Verified - Updated -

Issue

  • When rebooting the machine the machine will hang when the netfs script is triggering and is attempting to unmount NFS shares. It may produce the following errors:
 umount.nfs: device is busy
 nfs: server servername.domain not responding, still trying
  • The system does not respond to Ctrl+Alt+Del key and the only way to reboot server is hard reboot.

  • During shutdown the machine tries to umount the remote NFS share and the umount operation takes a long time to timeout with the following errors present:

nfs: server hostname not responding, timed out                          
nfs: server hostname not responding, timed out                          
Error: state manager failed on NFSv4 server hostname with error 5       
nfs: server hostname not responding, timed out

Environment

  • Red Hat Enterprise Linux

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase of over 48,000 articles and solutions.

Current Customers and Partners

Log in for full access

Log In