SOS!!! ,/etc/inittab truncated 的问题,SOS!!!

unixisback

hardware ：SUNBLADE 2000\r\n system had been shutdown illegally 。after try to fsck the filesystem，boot －s ，the system cannot login again 。\r\n\r\n\r\nproblem described as follow：\r\n\r\nINIT: /etc/inittab truncated or corrupt\r\nINIT: cannot create /var/adm/utmpx failed write of utmpx entry:\" \"\r\nINIT: failed write of utmpx entry:\" \"\r\nINIT: SINGLE USER MODE\r\nType control-d to proceed with normal startup (or give root passwd for system maintenance):\r\n\r\nNeither control-d nor root\'s password get any response, and the system hangs in this state. The only thing it seems to respond to at this point is stop-a.\r\n\r\n\r\n \r\nwho can help me ！