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aix下面挂载linux文件系统，失败，如下代码
# mount 172.16.4.176:/Tbackup /Tbackup/dbra
mount: 1831-008 giving up on:
172.16.4.176:/Tbackup
vmount: Operation not permitted.
———————————————————————-
# 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
# mount 172.16.4.176:/Tbackup /Tbackup/dbra
#
ps:
5.2版本下执行：
nfso -o nfs_use_reserved_ports=1
5.2（含）以上执行：
nfso -p -o nfs_use_reserved_ports=1
官方参考：
Technote (FAQ)
Question
When nfs mounting from a Linux NFS server, customer gets the following
error:
vmount: operation not permited
Answer
——————————————————————————–
Environment
AIX versions 4.x and 5.x
Sometimes Linux NFS servers will do port checking and require that the NFS client use a reserved port.
nfso -o nfs_use_reserved_ports=1
If the mount is going to be permanent, then the change needs to survive across a reboot. The nfs option must be changed permanently. On AIX 4.x and 5.1, the command above should be added to the startup scripts (possibly /etc/rc.nfs). On AIX 5.2 and above, the change can be made permanent by adding the -p flag.
nfso -p -o nfs_use_reserved_ports=1
