linux 无人安装问题

client  从网络启动一直在欢迎界面（蓝色）哪里不动，查看/var/log/message
如下：Jan 26 16:29:57 server1 mountd[30040]: authenticated mount request from desktopbj-ysp:661 for /mnt/ks (/
mnt/ks)
Jan 26 16:30:00 server1 mountd[30040]: authenticated mount request from desktopbj-ysp:664 for /mnt/iso/r
hel55 (/mnt/iso/rhel55)
Jan 26 16:33:26 server1ypbind[31191]: writev (/var/yp/binding/augustatek.com.1): No space left on devic
e
Jan 26 16:33:26 server1 ypbind[31191]: writev (/var/yp/binding/augustatek.com.2): No space left on devic
e
Jan 26 16:34:26 server1 ypbind[31191]: writev (/var/yp/binding/augustatek.com.1): No space left on devic
e
Jan 26 16:34:26 server1 ypbind[31191]: writev (/var/yp/binding/augustatek.com.2): No space left on devic
e
Jan 26 16:35:26 server1ypbind[31191]: writev (/var/yp/binding/augustatek.com.1): No space left on devic
e
Jan 26 16:35:26 server1ypbind[31191]: writev (/var/yp/binding/augustatek.com.2): No space left on devic
e
Jan 26 16:35:35 server1 mountd[30040]: Caught signal 15, un-registering and exiting.
Jan 26 16:35:40 server1 kernel: nfsd: last server has exited
Jan 26 16:35:40 server1 kernel: nfsd: unexporting all filesystems
Jan 26 16:35:40 server1kernel: RPC: failed to contact portmap (errno -5).
Jan 26 16:35:40 server1 kernel: NFSD: Using /var/lib/nfs/v4recovery as the NFSv4 state recovery director
y
Jan 26 16:35:40 server1 kernel: NFSD: starting 90-second grace peri
我的防火墙已经关闭了，权限设置的是757   他所要找的镜像文件  ，是挂载点，并共享了出去 ，用的是dhcp+nfs+tftp.请求各路高人解答

No space left on devic 空间满了？？？