(RADIATOR) High Availability with MySQL

[Joe (Mobile)]

Is there any information or documentation available which outlines
what was tested (setup, nodes,...)?

Cheers,
Joe

On 1/21/07, Mike McCauley <mikem at open.com.au> wrote:
> Hello Joe,
>
> from the Radiator history:
>
> Testing with EMIC m/cluster, a MySQL clustering solution from
>  www.emicnetworks.com. M/cluster provides high availability,
>  scalability and manageability services for MySQL.
>
> They have now changed their name to Continuent. Its a commercial solution, but
> seemed to work quite well.
>
> Cheers.
>
> On Sunday 21 January 2007 17:53, Joe (Mobile) wrote:
> > We've got our Radiator setup to work with a database as backend for
> > authentication and accounting. Now my only concern is that high
> > availability and redundancy isn't warranted in the current single
> > machine setup. Therefore I'm desperately searching for ways to achieve
> > this with minimal to mediocre costs.
> >
> > I've searched and read a bit about high availability on this list, but
> > most of the posts are quite out-dated and only a few mention actual
> > working setups beyond pure theory. So I was wondering if someone had
> > such a setup running or could give a few thoughts about the available
> > options.
> >
> > I've read that multiple Radiator instances can work together out of
> > one database - is that right? Are there any MySQL redundancy options
> > out there other than MySQL Cluster (which has quite a few limitations
> > and needs tremendous amounts of RAM) or chain replication (which is a
> > horror to bring back online after an outage)?
> >
> > I've also heard about a product from emicnetworks (now called
> > continuent) which also have an open sourece solutution (see
> > continuent.org) for building a special type of database cluster, but I
> > haven't found anyone who used it and could give a few thoughts about
> > it. Has anyone here worked with that and had success?
> >
> > Any help would be much appreciated!
> >
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> --
> Mike McCauley                               mikem at open.com.au
> Open System Consultants Pty. Ltd            Unix, Perl, Motif, C++, WWW
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