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从postgresql报错cloud not receive data from WAL stream解决办法

从postgresql报错cloud not receive data from WAL stream解决办法:

从:

systemctl stop postgresql

mv /space/postgresqldb/main /space/postgresqldb/main.bak

mkdir /space/postgresqldb/main

chown postgres:postgres /space/postgresqldb/main

chmod 700 /space/postgresqldb/main

/usr/lib/postgresql/12/bin/pg_basebackup -h 10.0.0.2 -U postsync -D /space/postgresqldb/main/ -X stream -P -p 5432

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rsync -av --progress /space/postgresqldb/main.bak/postgresql.auto.conf /space/postgresqldb/main/

rsync -av --progress /space/postgresqldb/main.bak/standby.signal /space/postgresqldb/main/

chown postgres:postgres /space/postgresqldb/main -R

systemctl restart postgresql

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