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List:       netbsd-users
Subject:    Re: compression in dump(8)
From:       Lyndon Nerenberg <lyndon () orthanc ! ca>
Date:       2016-05-03 0:37:25
Message-ID: 5727F2C5.4010201 () orthanc ! ca
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On 2016-05-02 2:29 PM, Robert Elz wrote:
> I do
>
> 	gzip -d < /path/do/mydump | restore -if -
>
> all the time, it works just fine.

And that's because dump/restore were built to work with tapes, where 
backspace/rewind is eeeeevil.  This is why the multiple passes during 
dump – it writes a table of contents at the start of the dump set so it 
knows where to find everything on the tape(s). (More or less.)

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