[GRASSLIST:661] Re: off topic: backing up huge mapsets

Curt, WE7U archer at eskimo.com
Tue Apr 11 11:56:05 EDT 2006


On Tue, 11 Apr 2006, Jaime Carrera wrote:

>  I know this is off topic but probably some of you had experienced
>  this problem as well. I have a very large mapset (19 GB) which is
>  not compressed by using bz2 (the final tar.bz2 file was 17.2 GB).
>  I have a backup of this mapset on an USB hard disk but I would
>  like to create another copy in a couple of double layer DVDs (I
>  don't want to take any chances with the data that I have). Does
>  someone know how to create three smaller files which I can later
>  burn on separate DVDs?

If you just want to chop the file up in a way that you can put them
together later to play with it (each segment won't be usable as-is),
then use either the Unix "split" command or the "dd" command.  You
can specify how many bytes to split at.  See the man pages for each.

--
Curt, WE7U.   APRS Client Comparisons: http://www.eskimo.com/~archer
"Lotto:    A tax on people who are bad at math." -- unknown
"Windows:  Microsoft's tax on computer illiterates." -- WE7U
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