Why do I see additional NFSv4 mounts in /proc/mounts on Red Hat Enterprise

Solution Verified - Updated -

Issue

  • Additional nfsv4 mounts which were not explicitly mounted are seen in  /proc/mounts.
  • Example: NFS Client which mounts the NFS4 / filesystem
    # mount 192.168.0.1:/ /mnt
    # ls /mnt/work
    # grep /mnt /proc/mounts 
    192.168.0.1:/ /mnt nfs4 rw,relatime,vers=4,rsize=65536,wsize=65536,namlen=255,hard,proto=tcp,timeo=600,retrans=2,sec=sys,clientaddr=192.168.0.1,minorversion=0,addr=192.168.0.1 0 0
    192.168.0.1:/work /mnt/work nfs4 rw,relatime,vers=4,rsize=65536,wsize=65536,namlen=255,hard,proto=tcp,port=0,timeo=600,retrans=2,sec=sys,clientaddr=192.168.0.1,minorversion=0,addr=192.168.0.1 0 0

Environment

  • NFSv4

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