Veritas-bu

[Veritas-bu] DLT7000 and DLT8000 verify head

2002-05-01 13:19:23
Subject: [Veritas-bu] DLT7000 and DLT8000 verify head
From: ddunham AT taos DOT com (Darren Dunham)
Date: Wed, 1 May 2002 10:19:23 -0700 (PDT)
> 
> Does anyone know whether DLT7000 and DLT8000 drives
> have a third head that verifies what is being written
> to tape? 

I don't know for certain that it uses a third head, but page 3 of this
document says that it does do a read-after-write and will rerecord if
necessary.

http://www.quantum.com/NR/rdonlyres/32nuvomylfwkw6xfixw4vejgr2okvgrgdtumaa4jt7ed4e5hotwzruunk4t2kspcbr7cjrjnulxja/PrimeronDLTtape.pdf

I've always heard that marginal data on the 7000 is rerecorded, so you
can't guarantee that one tapes worth of data will always be able to fit
on one tape.


-- 
Darren Dunham                                           ddunham AT taos DOT com
Unix System Administrator                    Taos - The SysAdmin Company
Got some Dr Pepper?                           San Francisco, CA bay area
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