[geeks] Cheap/reliable backup?

[microcode at zoho.com]

On Tue, Dec 03, 2013 at 08:35:49AM -0600, Michael Parson wrote:
> On Mon, 2 Dec 2013, microcode at zoho.com wrote:
> 
> >On Mon, Dec 02, 2013 at 02:00:38PM -0500, Lionel Peterson wrote:
> >
> >>If you want a 'put a backup on an off-line shelf' solution, I kinda like the
> >>idea of writing 20-25 Gig on a writeable Blu-Ray disc... (I have no idea how
> >>long such discs are readable/archive life).
> >
> >If I could figure out a way to dump a disk onto Blue Rays I would consider
> >it. Making a bunch of right-sized tarballs to fit most media is too
> >problematic.
> 
> http://unix.stackexchange.com/questions/21373/can-i-automate-tars-multi-volume-feature
> 
> The TL;DR:

No matter how many times I've seen that I can never remember what it
means. I keep thinking BTDT but I know that's not it.

> tar can do multi-volume backups, originally designed for tape.  You can
> specify the length of the tape (output file size) and specify a script
> to be exectuted when that filesize is hit.  The script would rotate the
> file to file-n.

Thanks, this sounds vaguely familiar. I think I did use it at some point but
read it doesn't always work or has bugs with edge cases, can't remember..
Maybe I'm wrong as I usually am with anything UNIX-related. I'll look at it again.

> The page also has a script for extracting multi-volume tar sets.

Thank you.

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