From: Jenny Butler (jbutler@utmem.edu)
Date: Mon May 06 2002 - 16:32:07 EDT
Using Tru64 Unix v5.1 I have a TZ877 tape unit attached to my ES40 via scsi
cable/card. I have tried several things to erase and test a scratch tape
that I
suspect might be bad. I tried various tapex tests and cannot verify that I
have
tested the entire tape. I tried the scu mt erase command and it ran for
about
5-6 hours when I finally killed it. I tried the scu mt retension command
and
it finished in about .08 seconds - not long enough for the tape to wind from
one end to the other.
On VMS, I could use INITIALIZE/ERASE on the same tapes and this writes
binary zeroes to the entire tape - for this DLT III tape it ran 2 hrs, 15
minutes
per tape.
Short of writing a program or script to write binary zeroes to a tape, has
anyone
found the right command and qualifiers to test an entire tape and know that
you
got the whole thing?
Thanks, Jenny Butler
jbutler@utmem.edu
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