(RADIATOR) High Availability with MySQL

[Mike McCauley]

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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