Re: AW: broken backup trail in case of quickly patroni switchback and forth

On 11/7/19 7:18 AM, Zwettler Markus (OIZ) wrote:
> I already asked the Patroni folks. They told me this is not related to Patroni but Postgresql. ;-)

Hard to say without more information:

1) Postgres version

2) Setup/config info

3) Detail if what happened between 12:00 and 12:10

>
> - Markus
>
>
>
> On 11/7/19 5:52 AM, Zwettler Markus (OIZ) wrote:
>> we are using Patroni for management of our Postgres standby databases.
>>
>> we take our (wal) backups on the primary side based on intervals and thresholds.
>> our archived wal's are written to a local wal directory first and moved to tape afterwards.
>>
>> we got a case where Patroni switched back and forth sides quickly, e.g.:
>> 12:00h: primary - standby
>> 12:05h: standby - primary
>> 12:10h: primary - standby
>>
>> we realised that we will not have a wal backup of those wal's generated between 12:05h and 12:10h in this scenario.
>>
>> how can we make sure that the whole wal sequence trail will be backuped? any idea?
>
> Probably best to ask the Patroni folks:
>
> https://github.com/zalando/patroni#community
>
>>
>> - Markus
>>
>>
>
>

--
Adrian Klaver
adrian(dot)klaver(at)aklaver(dot)com