Q: How do backup tapes know to span?

From: James Lehman (james[remove)
Date: 12/23/04 

Date: Thu, 23 Dec 2004 11:38:01 -0500

I'm supposed to copy sets of Tandberg Streamers (QIC 1000). Given a set of 3
tapes that span. When their originals are used with their restore
application, it prompts for tape #2, & #3. My copies have all of the data
but do not cause the application to prompt. So it doesn't work. I open a
file descriptor on the device and read blocks until I get a block of zero
data read. Then I know I am at the end of something. I save the block index
and read another block. If I get more data, I keep going. If not, I am at
the.......

That's the question!!!
End Of Data or End Of Tape?
How would I know?

Thanks! James. :o)

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