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From:	Doug Henderson <djndnbvg AT gmail DOT com>
Date:	Tue, 17 Jan 2017 20:32:03 -0700
Message-ID:	<CAJ1FpuNcurUd_zWQwdzovPou73-UTgt0n2E01X0pNTg3tX8QOQ@mail.gmail.com>
Subject:	Re: "Copy until full" tool
To:	cygwin <cygwin AT cygwin DOT com>
X-IsSubscribed:	yes

On 17 January 2017 at 01:57, Andrea Venturoli  wrote:
>
> Hello.
>
> I've got a 2TB backup HD which is filled with several copies (at different times) of the same data; in other words, I could have the following directories:
>
> Data20170117
> Data20170110
> Data20170103
> ...
> Data20161220
> User20170117
> User20170110
> User20170103
> ...
> User20161220
> DB20170117
> DB20170110
> DB20170103
> ...
> DB20161220
>
>
>
> Now I periodically need to copy this HD to another one, which is, alas, only 1TB.
> So I'd like to only transfer the most recent copies, either until the disk is full or by specifying a number of "copies" to keep. Of course the older ones should be deleted.
>
> Think rsync (which I've been using extensibly), but with a size barrier.


This is not specifically a cygwin solution, but I am using it with my
cygwin installation as well as interesting parts of my windows
installation.

Restic is a program that does backups right.

home page: https://restic.github.io/
documentation: https://restic.readthedocs.io/en/latest/
source: https://github.com/restic/restic

Read the home page. I think it meets its design goals very well.

HTH,
Doug


-- 
Doug Henderson, Calgary, Alberta, Canada - from gmail.com

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