John, I believe that in Postgres-land, the term 'pgdata' has a fairly standard meaning which lets you tell the program where your database directory is if it isn't in a standard location, that might be part of it. -- Darren Duncan

On 1/16/2014, 9:18 AM, Sebastian, John (CONTR) wrote:
Hi Folks,

I’m pretty new to Postgres. I have an extensive Oracle and MySQL background 
here.

We are putting up test and production servers.

I’m interested in doing online backups with WAL archiving turned on so that I
can do point in time recovery.

My database files are stored in /u01/postgres/data and
/u02/postgres/data/confluence_data directories.

My WAL files are in /u03/postgres/data/pg_log

I want to backup my database to the directory
/u03/postgres_backups/pg_basebackups/”directoryname_date_timestamp”

I’m trying a command like this:

$ pg_basebackup -x
--pgdata=/u03/postgres_backups/pg_basebackups/pg_basebackup_16-Jan-2014:10:15:00
--label=TEST

After entering the password, I’m receiving the following error:

pg_basebackup: directory "/u02/postgres/data/confluence_data" exists but is not
empty

The directory that it is complaining about
("/u02/postgres/data/confluence_data"  is a database directory with database
data in it.  Not the directory where I want the backup files to go.  I expected
that the switch

--pgdata=/u03/postgres_backups/pg_basebackups/pg_basebackup_16-Jan-2014:10:15:00

Would send the backup to that directory.  Can anyone enlighten me on why it
would complain about a directory where database files reside?




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