[Linux-cluster] MySQL MASTER->SLAVE agent?

Andrew Beekhof andrew at beekhof.net
Mon Feb 21 09:58:37 UTC 2011

On Sat, Feb 19, 2011 at 1:36 AM, Jakov Sosic <jakov.sosic at srce.hr> wrote:
> Hi.
> Would it be possible to use the MySQL replication as a way of achieving HA?
> When MASTER is down to take appropriate actions and declare SLAVE the
> NEW master, and take on IP address?

That would be tricky for rgmanager since it doesn't understand the
concept of multi-state resources.
I know people have done it with Pacemaker (also available in RHEL6) though.

> Has anyone tested this kind of
> setup? Obviously, failback should be impossible and request manual action.
> This would pose as a good solution for environments without shared
> storage and without DRBD.
> --
> Jakov Sosic
> www.srce.hr
> --
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