报 mount: 1831-008 的错，配置系统参数后恢复。
操作系统版本为：
# oslevel 6.1.0.0
LOG如下：
# mount 192.168.240.69:/xyz/xvdh2/dmp /dmp
mount: 1831-008 giving up on:
192.168.240.69:/xyz/xvdh2/dmp
vmount: Operation not permitted.
# mkdir /u01/dmp # nfso -p -o nfs_use_reserved_ports
nfs_use_reserved_ports = 0
# nfso -p -o nfs_use_reserved_ports=1
Setting nfs_use_reserved_ports to 1
Setting nfs_use_reserved_ports to 1 in nextboot file
# nfso -p -o nfs_use_reserved_ports
nfs_use_reserved_ports = 1
# mount 192.168.240.69:/xyz/xvdh2/dmp /u01/dmp # df -g
Filesystem GB blocks Free %Used Iused %Iused Mounted on
/dev/hd4 5.00 4.72 6% 18015 2% /
/dev/hd2 10.00 7.14 29% 53720 4% /usr
/dev/hd9var 5.00 4.52 10% 9202 1% /var
/dev/hd3 10.00 2.77 73% 4797 1% /tmp
/dev/fwdump 1.00 1.00 1% 4 1% /var/adm/ras/platform
/dev/hd1 5.00 4.95 2% 417 1% /home
/dev/hd11admin 0.50 0.50 1% 5 1% /admin
/proc - - - - - /proc
/dev/hd10opt 5.00 4.79 5% 9064 1% /opt
/dev/livedump 0.50 0.50 1% 4 1% /var/adm/ras/livedump
/dev/oralv 100.00 79.99 21% 59077 1% /u01
192.168.240.69:/xyz/xvdh2/dmp 13965.49 13235.67 6% 14 1% /u01/dmp