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体验新版 GitCode,发现更多精彩内容 >>
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0451c09f
编写于
1月 14, 2002
作者:
B
Bruce Momjian
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差异文件
Doc improvements.
上级
15ca0a50
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1
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contrib/pg_upgrade/pg_upgrade.man
contrib/pg_upgrade/pg_upgrade.man
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contrib/pg_upgrade/pg_upgrade.man
浏览文件 @
0451c09f
...
@@ -19,10 +19,10 @@ version must be used.
...
@@ -19,10 +19,10 @@ version must be used.
1) Back up your existing data directory, preferably by making a complete
1) Back up your existing data directory, preferably by making a complete
dump with pg_dumpall.
dump with pg_dumpall.
.LP
.LP
2) Copy the program
pgsql/contrib/pg_upgrade/pg_upgrade
from the current
2) Copy the program
\fIpgsql/contrib/pg_upgrade/pg_upgrade\fP
from the current
PostgreSQL distribution
into somewhere in
your path.
PostgreSQL distribution
somewhere into
your path.
.LP
.LP
3) Change your working directory to the
pgsql main directory, and type:
3) Change your working directory to the pgsql main directory, and type:
.LP
.LP
.B $ pg_upgrade -1
.B $ pg_upgrade -1
.sp
.sp
...
@@ -40,18 +40,18 @@ to install the new binaries.
...
@@ -40,18 +40,18 @@ to install the new binaries.
.br
.br
.B $ make install
.B $ make install
.sp
.sp
to install the
pg_resetxlog
utility which is needed by
to install the
\fIpg_resetxlog\fP
utility which is needed by
pg_upgrade.
pg_upgrade.
.LP
.LP
6) Run initdb to create a new template1 database containing the system
6) Run initdb to create a new template1 database containing the system
tables for the new release. Make sure you use settings similar to those
tables for the new release. Make sure you use settings similar to those
used in your previous version.
used in your previous version.
.LP
.LP
7) Start the new
postmaster.
(Note: it is critical that no users connect
7) Start the new
\fIpostmaster.\fP
(Note: it is critical that no users connect
to the server until the upgrade is complete. You may wish to start the
to the server until the upgrade is complete. You may wish to start the
postmaster without -i
and/
or alter pg_hba.conf temporarily.)
postmaster without -i or alter pg_hba.conf temporarily.)
.LP
.LP
8) Change your working directory to the
pgsql main directory, and type:
8) Change your working directory to the pgsql main directory, and type:
.LP
.LP
.B $ pg_upgrade -2
.B $ pg_upgrade -2
.sp
.sp
...
@@ -61,15 +61,15 @@ but with no data. It will then physically move the data files
...
@@ -61,15 +61,15 @@ but with no data. It will then physically move the data files
containing non-system tables and indexes into the proper
containing non-system tables and indexes into the proper
subdirectories.
subdirectories.
.LP
.LP
9) Restore your old
pg_hba.conf
if needed to allow user logins.
9) Restore your old
\fIpg_hba.conf\fP
if needed to allow user logins.
.sp
.sp
.LP
.LP
10) Carefully examine the contents of the upgraded databases. If you
10) Carefully examine the contents of the upgraded databases. If you
detect problems, you'll need to recover by restoring from your full
detect problems, you'll need to recover by restoring from your full
pg_dump backup. You can delete the
pg_upgrade_info/
directory when you
pg_dump backup. You can delete the
\fIpg_upgrade_info/\fP
directory when you
are satisfied.
are satisfied.
.LP
.LP
The upgraded databases will be in an un-vacuumed state. You will
The upgraded databases will be in an un-vacuumed state. You will
probably want to run a
VACUUM ANALYZE
before beginning production work.
probably want to run a
\fIVACUUM ANALYZE\fB
before beginning production work.
.SH SEE ALSO
.SH SEE ALSO
initdb(1), postmaster(1), pg_dump(1), pg_dumpall(1), vacuumdb(1)
initdb(1), postmaster(1), pg_dump(1), pg_dumpall(1), vacuumdb(1)
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