[pgpool-hackers: 2054] Re: Pgpool-II should not perform ping test after bringing down the VIP

[Muhammad Usama]

Hi Ishii-San

Any thoughts on this one?

Kind regards
Muhammad Usama

On Thu, Feb 16, 2017 at 2:05 PM, Muhammad Usama <m.usama at gmail.com> wrote:

> Hi
>
> At the time de-escalation from the master watchdog node, Pgpool-II should
> not perform the ping test to verify if the VIP is successfully brought down
> or not.
>
> The reason is, if the newly elected master watchdog node acquires the VIP
> while the resigning Pgpool-II node is still performing the de-escalation
> steps or doing the ping test on VIP. The resigning Pgpool-II will
> falsely assume that it has failed to bring down the delegate IP, after
> getting the positive ping result from the new master node that has already
> acquired that VIP.
>
> Comments and suggestions are welcome.
>
> Kind regards
> Muhammad Usama
>
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