用dd查看segd磁带tape label

[root@hp2-01 dev]# dd count=1 bs=128 if=/dev/st1 of=/tmp/2
1+0 records in
1+0 records out
128 bytes (128 B) copied, 0.027878 s, 4.6 kB/s
[root@hp2-01 dev]# dd if=/dev/st1 of=/tmp/3
0+1 records in
0+1 records out
128 bytes (128 B) copied, 0.0296888 s, 4.3 kB/s
[root@hp2-01 dev]# more /tmp/3
3022SD2.1RECORDB2  0000000000       47210-Dec-2020       23022                            BGP Prospector                       1
[root@hp2-01 dev]# more /tmp/2
3022SD2.1RECORDB2  0000000000       47210-Dec-2020       23022                            BGP Prospector                       1