[CentOS] snapshots of server state with F/OSS software

Victor Padro vpadro at gmail.com
Fri Nov 23 19:03:51 UTC 2007


more info about what dd can do
here<http://www.linuxquestions.org/linux/answers/Applications_GUI_Multimedia/How_To_Do_Eveything_With_DD>



On Nov 23, 2007 11:54 AM, Frank Cox <theatre at sasktel.net> wrote:

> On Fri, 23 Nov 2007 09:44:12 -0800
> Rogelio <scubacuda at gmail.com> wrote:
>
> > But won't that mean that I dd the *entire* hard drive, and not just that
> > which has changed?
>
> That's what a snapshot is.
>
> If what you want is not a snapshot but something else instead, then dd is
> probably not the best tool for the job.  You could probably run a diff
> between
> the previous image and the current image, but I'm sure there is a better
> way.
>
> --
> MELVILLE THEATRE ~ Melville Sask ~ http://www.melvilletheatre.com
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