FreeBSD 7/8: Error en Cinta.

Tengo un problema con la cinta, me aparece este error cuand quiero trabajar con ella:

mbx-bacula# mt -f /dev/nsa0 rewind
mbx-bacula# mt -f /dev/nsa0 weof
mt: /dev/nsa0: weof: Input/output error

Informacion del error:

mbx-bacula# tail messages
Aug 12 18:02:54 mbx-bacula kernel: (sa0:sym0:0:3:0): Medium format corrupted
Aug 12 18:02:54 mbx-bacula kernel: (sa0:sym0:0:3:0): Retries Exhausted
Aug 12 18:09:10 mbx-bacula kernel: (sa0:sym0:0:3:0): WRITE FILEMARKS(6). CDB: 10 0 0 0 1 0
Aug 12 18:09:10 mbx-bacula kernel: (sa0:sym0:0:3:0): CAM Status: SCSI Status Error
Aug 12 18:09:10 mbx-bacula kernel: (sa0:sym0:0:3:0): SCSI Status: Check Condition
Aug 12 18:09:10 mbx-bacula kernel: (sa0:sym0:0:3:0): MEDIUM ERROR info:1 asc:c,0
Aug 12 18:09:10 mbx-bacula kernel: (sa0:sym0:0:3:0): Write error
Aug 12 18:09:10 mbx-bacula kernel: (sa0:sym0:0:3:0): Retries Exhausted
Aug 12 18:32:45 mbx-bacula kernel: sym0:3:control msgout: 80 6.
Aug 12 18:33:47 mbx-bacula kernel: sym0:3:control msgout: 80 6.

Que nos dice la cinta?
mt -f /dev/nsa0 errstat
Last I/O Residual: 0
Last I/O Command: 08 00 00 FC 00 00 00 00 00 00 00 00 00 00 00 00
Last I/O Sense:

F0 00 03 00 00 FC 00 10 00 00 00 00 14 00 00 00
50 90 00 00 00 00 00 00 00 00 00 00 00 00 00 00

Last Control Residual: 0
Last Control Command: 10 00 00 00 01 00 00 00 00 00 00 00 00 00 00 00
Last Control Sense:

F0 00 03 00 00 00 01 10 00 00 00 00 0C 00 00 00
75 0C 00 00 00 00 00 00 00 00 00 00 00 00 00 00.

Vamos a ver qeue nos dice HP.