Re: hot standby in Postgresql 12 - Mailing list pgsql-admin

From Ankush Chawla
Subject Re: hot standby in Postgresql 12
Date
Msg-id CAOY8JhA114Ra77p5b5q7xiU6CgxksbX+wzQRcoT_sRQ1O20Kwg@mail.gmail.com
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In response to Re: hot standby in Postgresql 12  ("David G. Johnston" <david.g.johnston@gmail.com>)
Responses Re: hot standby in Postgresql 12
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2021-01-18 07:31:00.946 UTC   [21072]LOG:  database system was interrupted; last known up at 2021-01-18 07:30:07 UTC
cp: cannot stat '/u01/archive/00000004.history': No such file or directory
2021-01-18 07:31:00.963 UTC   [21072]LOG:  entering standby mode
2021-01-18 07:31:00.966 UTC   [21072]LOG:  restored log file "00000003.history" from archive
2021-01-18 07:31:00.981 UTC   [21072]LOG:  restored log file "000000030000000000000034" from archive
2021-01-18 07:31:01.029 UTC   [21072]LOG:  redo starts at 0/34000028
2021-01-18 07:31:01.030 UTC   [21072]LOG:  consistent recovery state reached at 0/34000138
cp: cannot stat '/u01/archive/000000030000000000000035': No such file or directory
2021-01-18 07:31:01.043 UTC   [21079]LOG:  started streaming WAL from primary at 0/35000000 on timeline 3
2021-01-18 07:31:10.242 UTC postgres postgres [21082]FATAL:  the database system is starting up
2021-01-18 07:53:42.915 UTC postgres postgres [21160]FATAL:  the database system is starting up

On Tue, Jan 19, 2021 at 9:01 AM David G. Johnston <david.g.johnston@gmail.com> wrote:
On Monday, January 18, 2021, Ankush Chawla <ankushchawla03@gmail.com> wrote:
Preparing hot standby in PostgreSQL 12

I have created a standby.signal file and added the parameter hot_standby='on' in postgresql.conf file but i am still not able to query the standby database 
Database is not getting open for reading.

postgres@ip-172-31-31-150:/u01/db10/pg_wal> psql -p 5490
psql: error: FATAL:  the database system is starting up


The database is starting up, this is expected.  You need to consult the server logs for relevant information pertaining to the startup/restore process.

David J.



--
Best Regards,
Ankush Chawla

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