ibm dds-4 磁带机在red hat adv 2.1下使用出错？？？

xjjjk

ibm dds-4 磁带机在red hat adv 2.1下使用出错，错误信息如下：[root@strhost root]# tar -cvf /dev/nst0 taper_info
tar: /dev/nst0: Cannot open: No such device or address
tar: Error is not recoverable: exiting now


[root@strhost root]# tar -cvf /dev/st0 taper_info
tar: /dev/st0: Cannot open: No such device or address
tar: Error is not recoverable: exiting now
请各位大虾救命；

yddll

磁带机你装上了吗？
/dev/nst0 这玩意儿有吗？