Thanks for your reply; I was traveling and have just arrived back to work on this issue.
[mingala@amnh-gen-001 (cuvier):~] $ cd nas1/
[mingala@amnh-gen-001 (cuvier):~/nas1] $ mount
sysfs on /sys type sysfs (rw,nosuid,nodev,noexec,relatime)
proc on /proc type proc (rw,nosuid,nodev,noexec,relatime)
devtmpfs on /dev type devtmpfs (rw,nosuid,size=528245084k,nr_inodes=132061271,mode=755)
securityfs on /sys/kernel/security type securityfs (rw,nosuid,nodev,noexec,relatime)
tmpfs on /dev/shm type tmpfs (rw,nosuid,nodev)
devpts on /dev/pts type devpts (rw,nosuid,noexec,relatime,gid=5,mode=620,ptmxmode=000)
tmpfs on /run type tmpfs (rw,nosuid,nodev,mode=755)
tmpfs on /sys/fs/cgroup type tmpfs (ro,nosuid,nodev,noexec,mode=755)
cgroup on /sys/fs/cgroup/systemd type cgroup (rw,nosuid,nodev,noexec,relatime,xattr,release_agent=/usr/lib/systemd/systemd-cgroups-agent,name=systemd)
pstore on /sys/fs/pstore type pstore (rw,nosuid,nodev,noexec,relatime)
cgroup on /sys/fs/cgroup/cpuset type cgroup (rw,nosuid,nodev,noexec,relatime,cpuset)
cgroup on /sys/fs/cgroup/blkio type cgroup (rw,nosuid,nodev,noexec,relatime,blkio)
cgroup on /sys/fs/cgroup/freezer type cgroup (rw,nosuid,nodev,noexec,relatime,freezer)
cgroup on /sys/fs/cgroup/hugetlb type cgroup (rw,nosuid,nodev,noexec,relatime,hugetlb)
cgroup on /sys/fs/cgroup/perf_event type cgroup (rw,nosuid,nodev,noexec,relatime,perf_event)
cgroup on /sys/fs/cgroup/cpu,cpuacct type cgroup (rw,nosuid,nodev,noexec,relatime,cpuacct,cpu)
cgroup on /sys/fs/cgroup/pids type cgroup (rw,nosuid,nodev,noexec,relatime,pids)
cgroup on /sys/fs/cgroup/net_cls,net_prio type cgroup (rw,nosuid,nodev,noexec,relatime,net_prio,net_cls)
cgroup on /sys/fs/cgroup/devices type cgroup (rw,nosuid,nodev,noexec,relatime,devices)
cgroup on /sys/fs/cgroup/memory type cgroup (rw,nosuid,nodev,noexec,relatime,memory)
configfs on /sys/kernel/config type configfs (rw,relatime)
/dev/mapper/vg--local-lv--root on / type ext4 (rw,relatime,stripe=64,data=ordered)
/dev/mapper/vg--local-lv--usr on /usr type ext4 (rw,relatime,stripe=64,data=ordered)
systemd-1 on /proc/sys/fs/binfmt_misc type autofs (rw,relatime,fd=34,pgrp=1,timeout=0,minproto=5,maxproto=5,direct,pipe_ino=21722)
debugfs on /sys/kernel/debug type debugfs (rw,relatime)
hugetlbfs on /dev/hugepages type hugetlbfs (rw,relatime)
mqueue on /dev/mqueue type mqueue (rw,relatime)
/dev/sda1 on /boot type ext4 (rw,relatime,stripe=256,data=ordered)
/dev/mapper/vg--local-lv--usr--local on /usr/local type ext4 (rw,relatime,stripe=64,data=ordered)
/dev/mapper/vg--local-lv--var on /var type ext4 (rw,relatime,stripe=64,data=ordered)
/dev/mapper/vg--local-lv--tmp on /tmp type ext4 (rw,relatime,stripe=64,data=ordered)
/dev/mapper/vg--local-lv--database on /database type ext4 (rw,relatime,stripe=64,data=ordered)
/dev/mapper/vg--local-lv--home on /home type ext4 (rw,relatime,quota,usrquota,grpquota,stripe=64,data=ordered)
/dev/mapper/vg--das-lv--data1 on /data1 type xfs (rw,relatime,attr2,inode64,logbsize=256k,sunit=512,swidth=7168,noquota)
/dev/mapper/vg--das-lv--array1 on /array1 type xfs (rw,relatime,attr2,inode64,logbsize=256k,sunit=512,swidth=7168,usrquota)
sunrpc on /var/lib/nfs/rpc_pipefs type rpc_pipefs (rw,relatime)
binfmt_misc on /proc/sys/fs/binfmt_misc type binfmt_misc (rw,relatime)
gen-nas.internal.amnh.org:/nas1 on /nas1 type nfs (rw,relatime,vers=3,rsize=32768,wsize=32768,namlen=255,soft,proto=tcp,timeo=600,retrans=2,sec=sys,mountaddr=172.16.9.82,mountvers=3,mountport=2049,mountproto=udp,local_lock=none,addr=172.16.9.82,_netdev)
gen-nas.internal.amnh.org:/nas2 on /nas2 type nfs (rw,relatime,vers=3,rsize=32768,wsize=32768,namlen=255,soft,proto=tcp,timeo=600,retrans=2,sec=sys,mountaddr=172.16.9.82,mountvers=3,mountport=2049,mountproto=udp,local_lock=none,addr=172.16.9.82,_netdev)
Not sure if any of that is helpful! Yes, I was also troubled to see that the code almost executed properly, which made the error that much more difficult to understand.