Version: 1:1.3.4-2.1 nfs-common version 1:1.3.4-2.1 kernel linux-image-4.9.0-8-amd64 4.9.130-2
It takes a little longer than the advertised 60s. It tries 10 times and gives up. % /usr/bin/time -p sudo mount -vvvv -t nfs -o vers=3,retry=1 192.168.30.1:/blah /mnt mount.nfs: timeout set for Sat Dec 15 21:04:10 2018 mount.nfs: trying text-based options 'vers=3,retry=1,addr=192.168.30.1' mount.nfs: prog 100003, trying vers=3, prot=6 mount.nfs: portmap query retrying: RPC: Timed out mount.nfs: prog 100003, trying vers=3, prot=17 imount.nfs: portmap query failed: RPC: Timed out mount.nfs: trying text-based options 'vers=3,retry=1,addr=192.168.30.1' mount.nfs: prog 100003, trying vers=3, prot=6 mount.nfs: portmap query retrying: RPC: Timed out mount.nfs: prog 100003, trying vers=3, prot=17 mount.nfs: portmap query failed: RPC: Timed out mount.nfs: trying text-based options 'vers=3,retry=1,addr=192.168.30.1' mount.nfs: prog 100003, trying vers=3, prot=6 mount.nfs: portmap query retrying: RPC: Timed out mount.nfs: prog 100003, trying vers=3, prot=17 mount.nfs: portmap query failed: RPC: Timed out mount.nfs: trying text-based options 'vers=3,retry=1,addr=192.168.30.1' mount.nfs: prog 100003, trying vers=3, prot=6 mount.nfs: portmap query retrying: RPC: Timed out mount.nfs: prog 100003, trying vers=3, prot=17 mount.nfs: portmap query failed: RPC: Timed out mount.nfs: trying text-based options 'vers=3,retry=1,addr=192.168.30.1' mount.nfs: prog 100003, trying vers=3, prot=6 mount.nfs: portmap query retrying: RPC: Timed out mount.nfs: prog 100003, trying vers=3, prot=17 mount.nfs: portmap query failed: RPC: Timed out mount.nfs: Connection timed out Command exited with non-zero status 32 real 65.87 user 0.02 sys 0.04 Same for vers=2 % /usr/bin/time -p sudo mount -vvvv -t nfs -o vers=2,retry=1 192.168.30.1:/blah /mnt mount.nfs: timeout set for Sat Dec 15 21:05:58 2018 mount.nfs: trying text-based options 'vers=2,retry=1,addr=192.168.30.1' mount.nfs: prog 100003, trying vers=2, prot=6 mount.nfs: portmap query retrying: RPC: Timed out mount.nfs: prog 100003, trying vers=2, prot=17 mount.nfs: portmap query failed: RPC: Timed out mount.nfs: trying text-based options 'vers=2,retry=1,addr=192.168.30.1' mount.nfs: prog 100003, trying vers=2, prot=6 mount.nfs: portmap query retrying: RPC: Timed out mount.nfs: prog 100003, trying vers=2, prot=17 mount.nfs: portmap query failed: RPC: Timed out mount.nfs: trying text-based options 'vers=2,retry=1,addr=192.168.30.1' mount.nfs: prog 100003, trying vers=2, prot=6 mount.nfs: portmap query retrying: RPC: Timed out mount.nfs: prog 100003, trying vers=2, prot=17 mount.nfs: portmap query failed: RPC: Timed out mount.nfs: trying text-based options 'vers=2,retry=1,addr=192.168.30.1' mount.nfs: prog 100003, trying vers=2, prot=6 mount.nfs: portmap query retrying: RPC: Timed out mount.nfs: prog 100003, trying vers=2, prot=17 mount.nfs: portmap query failed: RPC: Timed out mount.nfs: trying text-based options 'vers=2,retry=1,addr=192.168.30.1' mount.nfs: prog 100003, trying vers=2, prot=6 mount.nfs: portmap query retrying: RPC: Timed out mount.nfs: prog 100003, trying vers=2, prot=17 mount.nfs: portmap query failed: RPC: Timed out mount.nfs: Connection timed out Command exited with non-zero status 32 real 65.77 user 0.02 sys 0.04 Setting retry=2 does indeed double the time to timeout. % /usr/bin/time -p sudo mount -vvvv -t nfs -o vers=3,retry=2 192.168.30.1:/blah /mnt mount.nfs: timeout set for Sat Dec 15 21:09:13 2018 mount.nfs: trying text-based options 'vers=3,retry=2,addr=192.168.30.1' mount.nfs: prog 100003, trying vers=3, prot=6 mount.nfs: portmap query retrying: RPC: Timed out mount.nfs: prog 100003, trying vers=3, prot=17 mount.nfs: portmap query failed: RPC: Timed out mount.nfs: trying text-based options 'vers=3,retry=2,addr=192.168.30.1' mount.nfs: prog 100003, trying vers=3, prot=6 mount.nfs: portmap query retrying: RPC: Timed out mount.nfs: prog 100003, trying vers=3, prot=17 mount.nfs: portmap query failed: RPC: Timed out mount.nfs: trying text-based options 'vers=3,retry=2,addr=192.168.30.1' mount.nfs: prog 100003, trying vers=3, prot=6 mount.nfs: portmap query retrying: RPC: Timed out mount.nfs: prog 100003, trying vers=3, prot=17 mount.nfs: portmap query failed: RPC: Timed out mount.nfs: trying text-based options 'vers=3,retry=2,addr=192.168.30.1' mount.nfs: prog 100003, trying vers=3, prot=6 mount.nfs: portmap query retrying: RPC: Timed out mount.nfs: prog 100003, trying vers=3, prot=17 mount.nfs: portmap query failed: RPC: Timed out mount.nfs: trying text-based options 'vers=3,retry=2,addr=192.168.30.1' mount.nfs: prog 100003, trying vers=3, prot=6 mount.nfs: portmap query retrying: RPC: Timed out mount.nfs: prog 100003, trying vers=3, prot=17 mount.nfs: portmap query failed: RPC: Timed out mount.nfs: trying text-based options 'vers=3,retry=2,addr=192.168.30.1' mount.nfs: prog 100003, trying vers=3, prot=6 mount.nfs: portmap query retrying: RPC: Timed out mount.nfs: prog 100003, trying vers=3, prot=17 mount.nfs: portmap query failed: RPC: Timed out mount.nfs: trying text-based options 'vers=3,retry=2,addr=192.168.30.1' mount.nfs: prog 100003, trying vers=3, prot=6 mount.nfs: portmap query retrying: RPC: Timed out mount.nfs: prog 100003, trying vers=3, prot=17 mount.nfs: portmap query failed: RPC: Timed out mount.nfs: trying text-based options 'vers=3,retry=2,addr=192.168.30.1' mount.nfs: prog 100003, trying vers=3, prot=6 mount.nfs: portmap query retrying: RPC: Timed out mount.nfs: prog 100003, trying vers=3, prot=17 mount.nfs: portmap query failed: RPC: Timed out mount.nfs: trying text-based options 'vers=3,retry=2,addr=192.168.30.1' mount.nfs: prog 100003, trying vers=3, prot=6 mount.nfs: portmap query retrying: RPC: Timed out mount.nfs: prog 100003, trying vers=3, prot=17 mount.nfs: portmap query failed: RPC: Timed out mount.nfs: trying text-based options 'vers=3,retry=2,addr=192.168.30.1' mount.nfs: prog 100003, trying vers=3, prot=6 mount.nfs: portmap query retrying: RPC: Timed out mount.nfs: prog 100003, trying vers=3, prot=17 mount.nfs: portmap query failed: RPC: Timed out mount.nfs: Connection timed out Command exited with non-zero status 32 real 131.67 user 0.04 sys 0.05 NFSv4 behaves differently. % /usr/bin/time -p sudo mount -vvvv -t nfs4 -o retry=1 192.168.30.1:/blah /mnt mount.nfs4: timeout set for Sat Dec 15 21:11:06 2018 mount.nfs4: trying text-based options 'retry=1,vers=4.2,addr=192.168.30.1,clientaddr=192.168.1.12' mount.nfs4: mount(2): Connection timed out mount.nfs4: Connection timed out Command exited with non-zero status 32 real 262.87 user 0.00 sys 0.00 Try retry=2 - times out at the same time. The timeout is calculated correctly, but something makes it take longer % date Sat 15 Dec 21:29:02 AEDT 2018 % /usr/bin/time -p sudo mount -vvvv -t nfs4 -o retry=1 192.168.30.1:/blah /mnt mount.nfs4: timeout set for Sat Dec 15 21:31:06 2018 mount.nfs4: trying text-based options 'retry=1,vers=4.2,addr=192.168.30.1, clientaddr=192.168.1.12' mount.nfs4: mount(2): Connection timed out mount.nfs4: Connection timed out Command exited with non-zero status 32 real 269.12 user 0.00 sys 0.00 Despite the different v4 behaviour I think this bug can be closed. At the time it was reported v3 would have been default and that definitely works as advertised. There is an issue with v4 but that should probably be a new bug. Kind regards Vince
