Re: postgres replication without pg_basebackup? postgres 13.3

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От Laurenz Albe
Тема Re: postgres replication without pg_basebackup? postgres 13.3
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Msg-id 682616b88f9e6bd7a745d74580833254879ce550.camel@cybertec.at
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Ответ на postgres replication without pg_basebackup? postgres 13.3  (Pilar de Teodoro <pilar.deteodoro@gmail.com>)
Ответы Re: postgres replication without pg_basebackup? postgres 13.3  (Pilar de Teodoro <pilar.deteodoro@gmail.com>)
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On Mon, 2022-11-07 at 11:02 +0100, Pilar de Teodoro wrote:
> We have a very large database of 37TB and we had to promote our standby to primary due to
> some disk failures. Now the issues are solved, we would like to make standby  the old primary
> from a copy of the new primary which is already in place.  Is it possible without using pg_basebackup?

That's exactly what "pg_rewind" is for.  It is a fast version of "pg_basebackup" for exactly
that case.

Yours,
Laurenz Albe
-- 
Cybertec | https://www.cybertec-postgresql.com

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