29 lines
784 B
Markdown
29 lines
784 B
Markdown
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# Upgrading PostgreSQL Database
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when major release of postgresql is done you need to do some manual action
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if not done you can meet issue during request
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## action
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**need to have postgresqk-old-upgrade installed on arch**
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- stop service
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```systemctl stop postgresql.service```
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- rename cluster directory
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```mv /var/lib/postgres/data /var/lib/postgres/olddata
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mkdir /var/lib/postgres/data /var/lib/postgres/tmp
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chown postgres:postgres /var/lib/postgres/data /var/lib/postgres/tmp
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```
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- log in postgres account
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```
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sudo -iu postgres
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cd /var/lib/postgres/tmp
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```
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- launch upgrade
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```
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pg_upgrade -b /opt/pgsql-PG_VERSION/bin -B /usr/bin -d /var/lib/postgres/olddata -D /var/lib/postgres/data
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```
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- check both pg_hba.conf in new and old cluster
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- restart server `sc-start postgresql`
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