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Make old db directory configurable.

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This commit is contained in:
Bruce Momjian
1998-08-30 13:14:00 +00:00
parent 2739315a80
commit 3b7d13a6b0
2 changed files with 24 additions and 17 deletions
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12
src/man/pg_upgrade.1
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@ -1,12 +1,12 @@
.\" This is -*-nroff-*-
.\" XXX standard disclaimer belongs here....
.\" $Header: /cvsroot/pgsql/src/man/Attic/pg_upgrade.1,v 1.2 1998/08/30 05:25:47 momjian Exp $
.\" $Header: /cvsroot/pgsql/src/man/Attic/pg_upgrade.1,v 1.3 1998/08/30 13:14:00 momjian Exp $
.TH pg_upgrade UNIX 1/20/96 PostgreSQL PostgreSQL
.SH NAME
pg_upgrade - allows upgrade from a previous release without reloading data
.SH SYNOPSIS
.BR pg_upgrade
[-f input_file] database
[-f input_file] old_data_dir database
.SH DESCRIPTION
.IR "pg_upgrade"
is a utility for upgrading from a previous PostgreSQL release
@ -23,7 +23,7 @@ while perserving the max system oid.
.PP
Then rename (using
.IR mv )
your old pgsql /data directory to /data.upgrade and do a
your old pgsql /data directory to /data.old and do a
.IR "make install"
to install the new binaries.
Then run
@ -35,21 +35,21 @@ database containing the system tables for the new release.
to the pgsql main directory, and type:
.nf
pg_upgrade -f db.out template1
pg_upgrade -f db.out data.old template1
.fi
The system will do some checking to make sure everything is properly
configured, and run your
.IR db.out
script to create all the databases and tables you had, but with no data.
It will then move the data files from /data.upgrade into the proper
It will then move the data files from /data.old into the proper
.IR /data
directory.
You can then start the
.IR postmaster
and check out the data.
You can delete the
.IR /data.upgrade
.IR /data.old
directory when you are finished.
.PP
It can also be used for individual databases.