Linux Mount nfsv4.2
Just a quick test on using nfs v4.2. This test was on a Ubuntu 17.4 server as well as client.
# cat /etc/exports <snip> /DATA *(ro,sync,no_root_squash,insecure) /home 192.168.1.43(rw,insecure) # systemctl restart nfs-kernel-server # more /proc/fs/nfsd/versions +2 +3 +4 +4.1 +4.2 # mount -t nfs -o minorversion=2 server1:/DATA /DATA # nfsstat -m /mnt/home from server1:/home Flags: rw,relatime,vers=3,rsize=1048576,wsize=1048576,namlen=255,hard,proto=tcp,timeo=600,retrans=2,sec=sys,mountaddr=192.168.1.42,mountvers=3,mountport=41341,mountproto=udp,local_lock=none,addr=192.168.1.42 /DATA from server1:/DATA Flags: rw,relatime,vers=4.2,rsize=1048576,wsize=1048576,namlen=255,hard,proto=tcp,port=0,timeo=600,retrans=2,sec=sys,clientaddr=10.0.3.15,local_lock=none,addr=192.168.1.42 # rsync -a --progress ubuntu-17.04-desktop-amd64.iso /DATA/DATABANK/iso/ sending incremental file list ubuntu-17.04-desktop-amd64.iso 1,609,039,872 100% 157.75MB/s 0:00:09 (xfr#1, to-chk=0/1)
