[pgpool-general: 8029] Re: Pgpool HA in AWS
garajamohan at gmail.com
Tue Mar 1 14:36:18 JST 2022
On Tue, Mar 1, 2022 at 7:20 AM Bo Peng <pengbo at sraoss.co.jp> wrote:
> On Thu, 24 Feb 2022 15:15:34 +0530
> RAJAMOHAN <garajamohan at gmail.com> wrote:
> > Hello team,
> > I am setting up a high availability architecture for pgpool using ec2
> > instances. I am able to complete 2 node pgpool instances setup in the
> > subnet using watchdog by detaching and attaching secondary ENI (Private
> > ip). And it's working fine.
> > As a next step I am planning to setup two pgpool instances in 2 different
> > availability zones to avoid AZ level outages as well. But the problem now
> > is since both AZ's have different subnet ranges I can't use the secondary
> > ENI or elastic ip approach.
> > Are there any other options to overcome this? Any suggestions or ideas
> > be helpful?
> If you are using different AZ, there two ways to setup VIP:
> 1. rewrite route table (It's required to disable source-destination
> 2. Route53
> Below is a slide in Japanese(p.41-46), I hope it can be helpful.
Thanks Bo Peng.
Route53 really simplified the task.
Thanks & Regards,
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