http://blog.roodo.com/mywork/archives/1779608.html
解決oracle mount nfs備份發生ORA-27054
今天掛上一個nfs的目錄，然後進行rman備份時發生了
ORA-19504: failed to create file "/u01/db_back/archive_20060620_03hm3gn8_3_1"
ORA-27054: NFS file system where the file is created or resides is not mounted with correct options

尋問google大神後，找到解決的方法，就是在mount的語法後面再配上一些參數

mount -t nfs -o hard,rw,noac,rsize=32768,wsize=32768 <ip>:<分享出來的目錄> <目地目錄>

參考文件:
http://forums.oracle.com/forums/thread.jspa?threadID=325008&tstart=15

http://blog.chinaunix.net/u/19782/showart_326059.html