Re: Moving data directory

Each time you start postgres server using pg_ctl you have to mention the
data directory location using -D option. Alternatively you can specify in
the data_directory parameter of postgresql.conf file.

- vishal

>From: "Linux Geeks" <indolinux(dot)geeks(at)gmail(dot)com>
>To: "Ray Stell" <stellr(at)cns(dot)vt(dot)edu>
>CC: pgsql-admin(at)postgresql(dot)org
>Subject: Re: [ADMIN] Moving data directory
>Date: Tue, 22 May 2007 10:45:17 +0700
>
>Hi Ray,
>
>Sorry for late reply. Yes, I have tested your instructions and working
>well. The think is now I need to configure so that it will always
>automically start with the new location.
>
>Thank you very much for the detailed instructions, really appreciated it.
>
>Regards,
>
>Dino
>
>On 5/14/07, Ray Stell <stellr(at)cns(dot)vt(dot)edu> wrote:
>>On Sat, May 12, 2007 at 11:47:46PM +0700, Linux Geeks wrote:
>> > I'm very new to postgresql and would like to move my data directory to
>> > another partition in Ubuntu.
>>
>>
>>I don't think there is anything internal to pg that locks the data
>>location. Just tell postmaster where you move it to. Shut down the
>>postmaster and move it and start it with the -D flag pointing to the
>>new location:
>>
>>$ pg_ctl start -D /var/pgsql/data
>>server starting
>>
>>$ psql -p 5437 testdb jira
>>Password for user jira:
>>Welcome to psql 8.2.3, the PostgreSQL interactive terminal.
>>
>>Type: \copyright for distribution terms
>> \h for help with SQL commands
>> \? for help with psql commands
>> \g or terminate with semicolon to execute query
>> \q to quit
>>
>>testdb=> \q
>>
>>pg_ctl stop -D /var/pgsql/data
>>waiting for server to shut down....,7222,,2007-05-13 19:52:06.675
>>EDT,,1,,, LOG: logger shutting down
>> done
>>server stopped
>>
>>$ mv /var/pgsql/data-move-test /var/pgsql/data
>>
>>$ pg_ctl start -D /var/pgsql/data-move-test
>>server starting
>>
>>$ psql -p 5437 testdb jira
>>Password for user jira:
>>Welcome to psql 8.2.3, the PostgreSQL interactive terminal.
>>
>>Type: \copyright for distribution terms
>> \h for help with SQL commands
>> \? for help with psql commands
>> \g or terminate with semicolon to execute query
>> \q to quit
>>
>>testdb=> \q
>>
>>pg_ctl stop -D /var/pgsql/data-move-test
>>waiting for server to shut down....,7245,,2007-05-13 19:55:00.944
>>EDT,,1,,, LOG: logger shutting down
>> done
>>server stopped
>>
>>$ mv /var/pgsql/data-move-test /var/pgsql/data
>>
>>$ pg_ctl start -D /var/pgsql/data
>>server starting
>>
>>$ psql -p 5437 testdb jira
>>Password for user jira:
>>Welcome to psql 8.2.3, the PostgreSQL interactive terminal.
>>
>>Type: \copyright for distribution terms
>> \h for help with SQL commands
>> \? for help with psql commands
>> \g or terminate with semicolon to execute query
>> \q to quit
>>
>>testdb=> \q
>>
>>--
>> Lost time is when we learn nothing from the experiences of life. Time
>> gained is when we grow to have a wisdom that is tested in the reality of
>>life.
>>
>
>
>--
>To Analyze Is To Know Batte Field, Differ from Battle Itself
>
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>TIP 5: don't forget to increase your free space map settings

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