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On Mon, 19 Jan 1998, Robert Nestor wrote:

* ->I recently added a a new Conner/Seagate SCSI tape drive to my NetBSD 
* ->system.  It is a Travan type drive that can store up to 8gb on a single 
* ->tape cartridge.  However when I tried to use "dump" to backup my /usr 
* ->filesystem that currently occupies less than 2gb, I was shocked to see it 
* ->would take approximately 86 tapes!  Thinking this was bogus and it would 
* ->run until it found an EOT I inserted the first cartridge and let it go.  
* ->Sure enough after about 1100 tape blocks it prompted for another tape.  
* ->Obviously I'm missing something here, but I'm at a loss as to what I'm 
* ->doing wrong.  Does anyone have any suggestions, clues, hints, or voodoo 
* ->chant I can try?

I have the same drive.  The problem is that dump is dumb in detecting the
correct size of the tape.  Here's the command that I use:  dump -0 -B
8000000 /dev/whatever.

- -0 <- Level 0 dump (backup everything)
- -B 8000000 <- Tape can store 8 GIGS (BEWARE: The tape actually stores 4
GIGs so as long as you have a drive less than 4 GIGs this is fine, but if
you are trying to backup a drive larger than 4 GB use 4000000).

L8r.

- -------------------------------------------------------------------------
Geoff Gowey		| NetBSD: the best multi-platform OS 
daemond(at)ibm.net	| www.netbsd.org
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