If you run a second MySQL, why not configure it as a replicated slave?
Works well for us.
Philip J. Tait
http://subarutelescope.org
On Fri, 2008-10-10 at 20:27 -0600, dan wrote:
> for backing up MySQL databases, why not run a second MySQL and sync
> them on a schedule? Then if you have a problem you dont even need to
> restore, you can just switch to the other server or restart the first
> machine and sync the other way? If you do this you can sync, then
> stop the backup so you can dump that to disk/tape/etc etc.
>
> Thoughts?
>
> On Fri, Oct 10, 2008 at 2:26 AM, Paul Bijnens
> <Paul.Bijnens AT xplanation DOT com> wrote:
>
> On 2008-10-09 22:13, Nick Smith wrote:
> > On Thu, Oct 9, 2008 at 3:38 PM, David Rees
> <drees76 AT gmail DOT com> wrote:
> > >
>
> > > As long as the file names remain the same and you are
> using rsync,
> > > only the changes will be downloaded.
> > >
>
> > Do you know how it does that? I thought it just checked
> checksums to
> > see if they were different? How can it just download the
> changes to a
> > large DB like that if its all contained in a single file DB?
>
>
> That is the virtue of the rsync algorithm.
> See: http://en.wikipedia.org/wiki/Rsync
>
>
> --
> Paul Bijnens, xplanation Technology Services Tel +32
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> http://www.xplanation.com/ email:
> Paul.Bijnens AT xplanation DOT com
>
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