Solaris 2.6 backup

I installed my tape drive in my solaris machine and ran
mt status /dev/rmt/0 and got the following out put to the console
HP DDS-3 4MM DAT tape drive:
   sense key(0x0)= No Additional Sense   residual= 0   retries= 0
   file no= 0   block no= 0

now is this not saying that it sees the tape drive.?. I dont have any errors on bootup

anyways..  i tried this
mt retension /dev/rmt/0 and got this
/dev/rmt/0n retension 1 failed: Inappropriate ioctl for device
why does this not work?

but my true question is how do i tell solaris to format the tape ?  
tgreaserAsked:
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khaled022498Commented:
Solaris uses SCSI devices, so you do not need to format your tape, now to test if the tape drive is really working
insert the tape in the drive type the following ufsdump 0fu /dev/rmt/0 /
this will take system dump for root file system.
now suppose this did not work , try another approch, insert the tape into drive
login as root, go to the /dev/rmt directory remove all files using rm command
now type

drvconfig
devlinks
tapes

and retry the previous command, this way every thing should work fine with you, please check the cables and make sure that there is no other SCSI devices connected to the system ports.
regards.
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tgreaserAuthor Commented:
Thanks...  !!!!!!!

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