From: | Andres Freund <andres(at)2ndquadrant(dot)com> |
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To: | Kyotaro HORIGUCHI <horiguchi(dot)kyotaro(at)lab(dot)ntt(dot)co(dot)jp> |
Cc: | pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: Hot standby doesn't come up on some situation. |
Date: | 2014-02-28 09:07:30 |
Message-ID: | 20140228090730.GI15628@awork2.anarazel.de |
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Thread: | |
Lists: | pgsql-hackers |
On 2014-02-28 17:55:21 +0900, Kyotaro HORIGUCHI wrote:
> The recovery process stays on 'incosistent' state forever when
> the server has crashed before any wal record is inserted after
> the last checkpoint.
> # killall postgres
> # rm -rf $PGDATA/*
> initdb
> pg_ctl start -w
> sleep 1
> pg_ctl stop -m i
> cat > $PGDATA/recovery.conf <<EOF
> standby_mode = 'on'
> primary_conninfo = 'host=localhost port=9999 user=repuser application_name=pm01 keepalives_idle=60 keepalives_interval=5 keepalives_count=5'
> #restore_command = '/bin/true'
> recovery_target_timeline = 'latest'
> EOF
> cat >> $PGDATA/postgresql.conf <<EOF
> #log_min_messages = debug5
> hot_standby = on
> EOF
> pg_ctl start
Uh. So, if I understand correctly, what you did is to convert a normal
live pg, into a replica that doesn't have a upstream node, right?
Normally the primary will just do an additional write shortly
afterwards, resolving this situation?
Greetings,
Andres Freund
--
Andres Freund http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services
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