Re: BUG #15785: create slave through archive log replication

From: Euler Taveira <euler(at)timbira(dot)com(dot)br>
To: ram pratap maurya <rampratap0000(at)gmail(dot)com>
Cc: pgsql-bugs(at)lists(dot)postgresql(dot)org
Subject: Re: BUG #15785: create slave through archive log replication
Date: 2019-05-02 12:43:35
Message-ID: CAHE3wgjxtUppV4OQHvs+UWuDT87M6e7GjPC7OdQx_ZgcHMmK_w@mail.gmail.com
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Em qui, 2 de mai de 2019 às 06:33, ram pratap maurya
<rampratap0000(at)gmail(dot)com> escreveu:
>
> Master and 1slave is smae host and location and 2slave (i am createg 2nd slave for DR purpose) is another location.
> when we replicating 2nd slave it replicate via streeming replication (pg_wal) . i want 2nd salve replicate through pg_log_archive.
> please suggest.
>
Why don't you want to use streaming for 2nd slave?

If you want to replicate to 2nd slave applying WAL files, remove
primary_conninfo and add restore_command such as:

restore_command = 'scp
postgres(at)myhost:/var/lib/pgsql/11/data/pg_log_archive/%f %p'

or modify archive_command in the master to archive in the 2nd slave as
well. In this case, restore command will be a simple cp:

restore_command = 'cp /path/to/archives/%f %p'

> in your reply myhost is a master ip?.
>
Yes.

--
Euler Taveira Timbira -
http://www.timbira.com.br/
PostgreSQL: Consultoria, Desenvolvimento, Suporte 24x7 e Treinamento

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