Re: [Health] High Availability of GNU Health

[Luis Falcon]

Dear Khurram

On Thu, 14 Jul 2016 18:39:24 +0500
Khurram Shahzad <address@hidden> wrote:

> Dear All,
> 
> How can we have highly available GNU Health installation?
> 
> I mean, if we have installed GNU Health on one machine along with
> database, it is possible that due to any failure at hardware or
> software level, the server goes down. How can we make our GNU Health
> services available from another server having the same config and
> data and also get our Tryton client connected to this new server?
> 

You can implement the concept of "standby database" with PostgreSQL
redo log shipping[1]. 

There are many other possibilities, but this method is affordable and
it has the advantage of being able to place the standby server at a
distant location, as well as preventing from physical and logical
issues.

All the best
Luis 

1.- https://www.postgresql.org/docs/9.4/static/warm-standby.html


-- 
Dr. Luis Falcon, M.D., BSc
President, GNU Solidario
GNU Health: Freedom and Equity in Healthcare
http://health.gnu.org