From owner-freebsd-questions  Tue Nov  7  9:38:23 2000
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From: Mark Rowlands <mark.rowlands@minmail.net>
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Date: Tue, 7 Nov 2000 18:32:51 +0000
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To: Odhiambo Washington <wash@iconnect.co.ke>,
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References: <3A011DE0.9FA0FF18@polbox.com> <20001107163917.B83797@poeza.iconnect.co.ke>
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Subject: Re: HP SureStore T20
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On Tuesday 07 November 2000 13:39, Odhiambo Washington wrote:
> * svga <svga@polbox.com> [20001102 11:35]:
> =>Oops, I made a mistake!
> =>
> =>Is it possible to backup 20GB to a single tape (Travan 10GB native)
> =>using dump?
>
> If you enable compression but I've never managed to achieve that. But on
> this list recently someone showed how to pass the output of dump to gzip
> then to tape...pls try to search for it
>
>
> -Wash

not sure that will help much,  there is a diminishing rate of return, try 
compressing mp3 files for example 

but.....

dump 0af - / | gzip -9 | dd of=/dev/rsa0 bs=10k

was suggested by Mike Meyer


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