/u01好像满了，怎么办啊
[root@RedHat admin]# df -a
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/sda2 10317860 2503044 7290696 26% /
none 0 0 0 - /proc
none 0 0 0 - /sys
none 0 0 0 - /dev/pts
usbfs 0 0 0 - /proc/bus/usb
/dev/sda1 101086 8083 87784 9% /boot
none 127352 0 127352 0% /dev/shm
/dev/sda4 5052060 5052060 0 100% /u01
none 0 0 0 - /proc/sys/fs/binfmt_misc
sunrpc 0 0 0 - /var/lib/nfs/rpc_pipefs

------解决方案--------------------
首先对u01进行unmount操作，然后再mount