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Re: BUG #6085: pg_upgrade fails when unix_socket_directory != /tmp

From: Olivier LEVESQUE <olevesque3(at)gmail(dot)com>
To: Bruce Momjian <bruce(at)momjian(dot)us>
Cc: pgsql-bugs(at)postgresql(dot)org
Subject: Re: BUG #6085: pg_upgrade fails when unix_socket_directory != /tmp
Date: 2011-07-16 19:30:59
Message-ID: CABN-EnqaHmHqEycQeFpgHezT5mWZEQjRU0rah_bKu+wOS-67wA@mail.gmail.com (view raw or flat)
Thread:
Lists: pgsql-bugs
Fine. Glad to know it is fixed in 9.1.
As far as the workaround is simple, it is a minor issue.

Thank you very much.

2011/7/12 Bruce Momjian <bruce(at)momjian(dot)us>:
>
> This is caused by pg_ctl not properly understanding non-default socket
> directories --- this is fixed in Postgres 9.1.  Not much pg_ctl can do
> to fix that except ignore a pg_ctl error return code, which isn't good.
> It will be fine in 9.1.
>
> ---------------------------------------------------------------------------
>
> Olivier LEVESQUE wrote:
>>
>> The following bug has been logged online:
>>
>> Bug reference:      6085
>> Logged by:          Olivier LEVESQUE
>> Email address:      olevesque3(at)gmail(dot)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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>
> --
>  Bruce Momjian  <bruce(at)momjian(dot)us>        http://momjian.us
>  EnterpriseDB                             http://enterprisedb.com
>
>  + It's impossible for everything to be true. +
>

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