Re: [Postgres-xc-developers] Developing HA for PG XC ( was Re: Pacemaker RA for datanode/coordinator)

[Michael P. <mic...@gm...>]

On Thu, Aug 9, 2012 at 2:50 PM, 坂田 哲夫 <sak...@la...> wrote:

> Hi folks,
>
> We are now developing HA facility for XC with another team rather than
> XC core development. Say them XC HA team. The facility will be released
> as open source software by the end of this year.
>
> The HA facility will be developed through two phases as follow.
>
> 1. furnish fundamental function giving redundancy to XC core like as
> streaming replication to make transactional data in data nodes durable,
> GTM protecting XIDs with GTM stand-by against failures. These functions
> are mainly developed by PostgreSQL and PG XC core development teams
> respectively.
>
> 2. integrate PG XC and Linux-HA. When a component occurs failure, we
> would like to fail over automatically. To realize this, XC HA team is
> going to develop RAs (resource agents) for data node and coordinator
> for Linux-HA (pacemaker) at first, then RA for GTM and GTM standby.
> This integration (in other words, developing RAs) is done by XC HA team.
>
> So far, XC HA team does not provide its products including source codes,
> documentation as open source. And its activities are not opened either
> except some requirement to XC core which might have influence on XC
> design, performance, operations and so on. XC HA team's activities will
> be opened after we release our first HA facility as I mentioned.
>
In short, +1.
;)
-- 
Michael