Subject: Re: System backups
To: Current-users <Current-users@NetBSD.ORG>
From: Eric S. Hvozda <>
List: current-users
Date: 01/20/1998 15:01:09
On Tue, 20 Jan 1998 14:34:56 -0500 (EST) wrote:
> 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).

8000000 should stil work with -B as long as the Tarvan raises End Of 
Media properly (ie this works find with Archive Python (2Gb native)
and Viper (150Mb native).  Dump will detect this condition and prompt
for another tape.

Then again if the it doesn't raise EOM properly, all bets are off...