NFS client fails to unmount an unreachable NFS server on reboot
Issue
- When rebooting the machine the machine will hang when the
netfsscript 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
umountthe remote NFS share and theumountoperation 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
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