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In pg_upgrade, document that link mode has to have data directories on

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the same file system, and that authentication should lock out normal
users.

Per suggestsion from #postgresql irc channel.

Backpatch to 9.1.
This commit is contained in:
Bruce Momjian 2011-06-14 16:46:52 -04:00
parent a61b6b7d18
commit 776fa18359
1 changed files with 7 additions and 4 deletions
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11
doc/src/sgml/pgupgrade.sgml
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@ -256,7 +256,8 @@ gmake prefix=/usr/local/pgsql.new install
so you might want to set authentication to <literal>trust</> in so you might want to set authentication to <literal>trust</> in
<filename>pg_hba.conf</>, or if using <literal>md5</> authentication, <filename>pg_hba.conf</>, or if using <literal>md5</> authentication,
use a <filename>~/.pgpass</> file (see <xref linkend="libpq-pgpass">) use a <filename>~/.pgpass</> file (see <xref linkend="libpq-pgpass">)
to avoid being prompted repeatedly for a password. to avoid being prompted repeatedly for a password. Also make sure
pg_upgrade is the only program that can connect to the clusters.
</para> </para>
</step> </step>
@ -295,9 +296,11 @@ NET STOP pgsql-8.3 (<productname>PostgreSQL</> 8.3 and older used a different s
data and executable (<filename>bin</>) directories. You can also specify separate data and executable (<filename>bin</>) directories. You can also specify separate
user and port values, and whether you want the data linked instead of user and port values, and whether you want the data linked instead of
copied (the default). If you use linking, the upgrade will be much copied (the default). If you use linking, the upgrade will be much
faster (no data copying), but you will no longer be able to access your faster (hard link data files rather than copying them), but you
old cluster once you start the new cluster after the upgrade. See will no longer be able to access your old cluster once you start
<literal>pg_upgrade --help</> for a full list of options. the new cluster after the upgrade. Link mode also requires that the
old and new cluster data directories be in the same file system.
See <literal>pg_upgrade --help</> for a full list of options.
</para> </para>
<para> <para>