The following bug has been logged online:
Bug reference: 6085
Logged by: Olivier LEVESQUE
Email address: olevesq...@gmail.com
PostgreSQL version: 9.0.3
Operating system: RHEL 5.4 Linux 2.6.18 x86_64
Description: pg_upgrade fails when unix_socket_directory != /tmp
Details:
Running pg_upgrade on clusters with unix_socket_directory parameter
different (e.g. /pgqdata/pgserver01/data) than default value (/tmp) fails:
$ pg_upgrade -d /pgqdata/pgserver01/data -D /pgqdata/pgserver02/data -b
/opt/pgsql/na/8.4.4/bin -B /opt/pgsql/na/9.0.3/bin -p 5432 -P 5433 --check
Performing Consistency Checks
-----------------------------
Checking old data directory (/pgqdata/pgserver01/data) ok
Checking old bin directory (/opt/pgsql/na/8.4.4/bin) ok
Checking new data directory (/pgqdata/pgserver02/data) ok
Checking new bin directory (/opt/pgsql/na/9.0.3/bin) ok
Trying to start old server
.................ok
Unable to start old postmaster with the command:
"/opt/pgsql/na/8.4.4/bin/pg_ctl" -l "/dev/null" -D
"/pgqdata/pgserver01/data" -o " -p 5432 -c autovacuum=off -c
autovacuum_freeze_max_age=2000000000" start >> "/dev/null" 2>&1
Perhaps pg_hba.conf was not set to "trust".
===> Here, the error message given is not true, because old postmaster has
been started succesfuly. It is just the connection test that failed.
A subsequent start (with old cluster running) of --check gives a better
information:
PerForming Consistency Checks on Old Live Server
------------------------------------------------
Checking old data directory (/pgqdata/pgserver01/data) ok
Checking old bin directory (/opt/pgsql/na/8.4.4/bin) ok
Checking new data directory (/pgqdata/pgserver02/data) ok
Checking new bin directory (/opt/pgsql/na/9.0.3/bin) ok
Connection to database failed: could not connect to server: No such file or
directory
Is the server running locally and accepting
connections on Unix domain socket "/tmp/.s.PGSQL.5432"?
===> Why searching socket in /tmp while it is not the directory in
postgresql.conf?
Changing (commenting #unix_socket_directory in postgresql.conf) solves the
problem and pg_upgrade runs fine.
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