Simple Backup question.
Maxime Alarie
malarie at processia.com
Tue Apr 6 15:01:53 UTC 2010
Thanks for the reply. The webserver is a Document content management. So
yeah, its linked to a Database.. amd its very dynamic. Stuff will be
changed/added everyday.
-----Original Message-----
From: ubuntu-users-bounces at lists.ubuntu.com
[mailto:ubuntu-users-bounces at lists.ubuntu.com] On Behalf Of Rashkae
Sent: Tuesday, April 06, 2010 10:48 AM
To: Ubuntu user technical support,not for general discussions
Subject: Re: Simple Backup question.
Maxime Alarie wrote:
> Good day,
>
>
>
> I have a quick question for administrators. Not sure if it's the
right
> mailing list as this is my first post.
>
>
>
> I have a ubuntu Server: Ubuntu 9.1 Server Edition - No GUI
>
>
>
> I normally do a full backup of my ubuntu webserver (/var/www/)
using
> a cronjob and tar | gzip , The backup is about 1.23GB in size
> everyday..
>
>
>
> Since we'll be putting more stuff on this webserver, a full backup
> everyday is a little bit over the top, so I would like to start using
> incremental backups in order to save space.
>
>
>
> Problem is Im not too familiar with incremental backups. My thought
is
> to use tar with mtime 1. But I am not sure how to handle the rest.
> Any of you are used to work with incremental backups?
>
> I plan to do a Full Backp every week, then incremental on week-days.
>
>
>
> Last Question about the restore..
>
>
>
> Scenario:
>
>
>
> We're Thursday, and I want to do a restore.. The Full backup was
taken
> on Monday, but incremental were taken every nights..
>
> I Only have to restore the Full Backup and the incremental backup from
> last night?
>
>
>
> Regards
>
If the bulk of your data is static files (as opposed to database files
that change every day, for example), I would strongly suggest using
rsync with hard links to previous data as a backup solution. (This can
be automated with the rsnapshot package, which scripts the functions for
you)
The idea is explained here:
http://www.mikerubel.org/computers/rsync_snapshots/
I would point out however, that since that article was created, rsync
now has the built in ability to create the links itself. See rsync man
page for the --link-dir option, which has advantages over cp -al (or
just use rsnapshot)
rsnapshot home page is here:
http://rsnapshot.org/
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