[SunHELP] mt and ufsdump problem

[Kanté Souleymane]

Hi
I am trying to make a backup of my data on my Sun box. I  puted a tape
in the
backup device.
when I tape the command:
 #mt -f /dev/rmt/0 fsf
I get this error message:
/dev/rmt/0 fsf 1 failed: I/O error
I have change the tape. and I have shutdown the machine and restart it
but there
is no change.
Could you help me. I am using solaris 2.6 on Sun Sparc Server 20

regards,
Souleymane