[error]Resource temporarily unavailable

[root@stcfusion02 etc]# su - oracle
su: cannot set user id: Resource temporarily unavailable

添加 /etc/security/limits.conf 

oracle              soft    nproc   2047
oracle              hard    nproc   16384
oracle              soft    nofile  1024
oracle              hard    nofile  65536

详细limits.conf解释见

http://blog.chinaunix.net/space.php?uid=10565106&do=blog&id=1743672