Provided by: postgresql-common_53ubuntu3_all
pg_upgradecluster - upgrade a new PostgreSQL cluster to a new major
pg_upgradecluster [-v newversion] version name [data dir]
pg_upgradecluster upgrades an existing PostgreSQL server cluster (i. e.
a collection of databases served by a postmaster instance) to a new
version specified by newversion (default: latest available version).
The configuration files of the old version are copied to the new
The cluster of the old version will be configured to use a previously
unused port since the upgraded one will use the original port. The old
cluster is not automatically be removed. After upgrade, please verify
that the new cluster indeed works as expected; if so, you should remove
the old cluster with pg_dropcluster(8).
pg_createcluster(8), pg_dropcluster(8), pg_lsclusters(1), pg_wrapper(1)
Martin Pitt <email@example.com>