Raid Recovery Tips

I am on a old AIX 4.3.3.0 trying to restore a backup on tape.
The device /dev/rmt1 exist end I succeed to execute the following commend with correct result:
tar -tvf /dev/rmt1
I obtained the contain of the tape backup. It take approx. 2 hours.
But when I try to make any restore, nothing happened, no message, nothing.
Ex. of commmand I’ve tried:
tar -xvf /dev/rmt1 ./oradata01/DBNAME/dbf/prodtai.dbf
tar -xvf /dev/rmt1 ‘./oradata01/DBNAME/dbf/prodtai.dbf’
tar -xvf /dev/rmt1
tar – xvvf ./oradata01/DBNAME/dbf/prodtai.dbf
No way.. and I do not know if tar generate some log somewhere …
Any ideas Welcome!

Not familiar with the AIX differences…

I have a bunch of 4mm DAT tapes that contain backups from some legacy system, i have set up a server and an old tape drive to read the tapes, problem i have now is i have no idea what they were written in, i have Veritas on a server (i thought a good choice) but no joy there. Is there any software that can determin what program was used to create a backup on a DAT tape? , yours hopin

can you see any of the file backup extensions; not the individual files?

no cant see anything, but i know there…