doc: Improve pg_upgrade rsync examples to use clusterdir

Commit 9521ce4a7a from Sep 13, 2017 and
backpatched through 9.5 used rsync examples with datadir.  The reporter
has pointed out, and testing has verified, that clusterdir must be used,
so update the docs accordingly.

Reported-by: Don Seiler

Discussion: https://postgr.es/m/CAHJZqBD0u9dCERpYzK6BkRv=663AmH==DFJpVC=M4Xg_rq2=CQ@mail.gmail.com

Backpatch-through: 9.5
This commit is contained in:
Bruce Momjian 2018-01-31 16:43:32 -05:00
parent d40d97d6c7
commit de71541460
1 changed files with 4 additions and 4 deletions

View File

@ -494,10 +494,10 @@ pg_upgrade.exe
server:
<programlisting>
rsync --archive --delete --hard-links --size-only --no-inc-recursive old_pgdata new_pgdata remote_dir
rsync --archive --delete --hard-links --size-only --no-inc-recursive old_cluster new_cluster remote_dir
</programlisting>
where <option>old_pgdata</option> and <option>new_pgdata</option> are relative
where <option>old_cluster</option> and <option>new_cluster</option> are relative
to the current directory on the primary, and <option>remote_dir</option>
is <emphasis>above</emphasis> the old and new cluster directories
on the standby. The directory structure under the specified
@ -506,8 +506,8 @@ rsync --archive --delete --hard-links --size-only --no-inc-recursive old_pgdata
remote directory, e.g.
<programlisting>
rsync --archive --delete --hard-links --size-only --no-inc-recursive /opt/PostgreSQL/9.5/data \
/opt/PostgreSQL/9.6/data standby.example.com:/opt/PostgreSQL
rsync --archive --delete --hard-links --size-only --no-inc-recursive /opt/PostgreSQL/9.5 \
/opt/PostgreSQL/9.6 standby.example.com:/opt/PostgreSQL
</programlisting>
You can verify what the command will do using