<div dir="ltr">I'm very happy with the back-in-time for my backups.<div><br></div><div>I configure as many profiles as I want, I can configure how many versions of my file system it will keep, how much space I want before it erase the old versions. Back-in-time uses rsync (obviously) ans hard links to make incremental backups. To me, the best solution.</div><div><br></div><div><a href="http://backintime.le-web.org/">http://backintime.le-web.org/</a><br></div><div><br></div><div>[]`s</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Wed, Jun 8, 2016 at 7:29 AM, Chris Green <span dir="ltr"><<a href="mailto:cl@isbd.net" target="_blank">cl@isbd.net</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Anders Kamf <<a href="mailto:digikam@kamf.se">digikam@kamf.se</a>> wrote:<br>
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<div><div class="h5">><br>
> 2016-06-07 12:57 GMT+02:00 Chris Green <<a href="mailto:cl@isbd.net">cl@isbd.net</a>>:<br>
><br>
> > bernhard <<a href="mailto:digikam@kilmann.net">digikam@kilmann.net</a>> wrote:<br>
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> > ><br>
> > ><br>
> > ><br>
> > > there is quite cool feature in rsync that allows you to sync your backup<br>
> > > in a directory on you backup medium. Lets say you want to backup<br>
> > > /pictures on your pc in directory /week01 on your usb disk. standard<br>
> > > procedure is to do the next rsync against /week01 too which replace<br>
> > > changed files.<br>
> > ><br>
> > > another option is to tell rsync to do the backup of /pictures to lets<br>
> > > say /week02 but use /week01 as base. in that case rsync compares your<br>
> > > files in /pictures against your files in /week01. If a file is not<br>
> > > changed it created an hard link in /week02 pointing to the same file in<br>
> > > /week01. if a file is deleted it will not show up in /week02 (but still<br>
> > > in /week01). if a file has changed it is copied to /week02 while you can<br>
> > > access the old version in /week01. So you can have several versions of<br>
> > > your /pictures directory but you need only disk size from /pictures on<br>
> > > your pc plus the space for files that change on every extra backup you<br>
> > > do. for that you usb drive need to have a linux filesystem like ext4 to<br>
> > > support hardlinks.<br>
> > ><br>
> > Yes, I use this rsync 'hard link' ability with a self-written Python<br>
> > script to do incremental backups. On my main desktop system I do<br>
> > hourly and seven days of daily backups, these go onto a different<br>
> > drive so at least will protect me from drive failure.<br>
> ><br>
> > The I do daily, weekly, monthly and yearly incremental backups to a<br>
> > remote (well some hundred metres or so) system as well.<br>
> ><br>
> > Using the rsync hard-link option means that only changes and new files<br>
> > occupy space.<br>
> ><br>
> Hard links is what rsnapshot use as well to do incremental backup.<br>
><br>
</div></div>Yes, I know, I used rsnapshot for a while but decided that writing my<br>
own script (which is much less complex than rsnapshot) would give me<br>
more exactly what I wanted.<br>
<br>
My incremental backup script is only a hundred lines or so of Python<br>
code.<br>
<div class="HOEnZb"><div class="h5"><br>
--<br>
Chris Green<br>
·<br>
<br>
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</div></div></blockquote></div><br><br clear="all"><div><br></div>-- <br><div class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><b>Erick Moreno</b><br><a href="https://google.com/+ErickMoreno/about" target="_blank">google.com/+ErickMoreno</a><br></div></div>
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