When the Zmanda Client for Windows is configured and licensed for PostgreSQL backup, the ZMC allows you to select a PostgreSQL server to back up. When a PostgreSQL server is backed up, all databases are included in the backup, which can be either full (using pg_dump) or incremental (which depends on Posgres write-ahead logs, referred to as WALs).
These instructions assume you have already installed and licensed the Amanda Enterprise server and the PostgreSQL server being backed up. There are a number of additional requirements:
property "PG-DATADIR" "Path_to_PSQL_Data_Dir"
property "PG-ARCHIVEDIR" "Path_to_PSQL_Archive_Dir"
property "PG-HOST" "localhost_or_directory_of_socket_file"
property "PG-TMP" "Path_to_temp_dir"
property "PSQL-PATH" "Path_to_PSQL_Binary"
property "PG-USER" "PostgreSQL_username"
property "PG-PASSFILE" "Path_to_PSQL_Password_File"
property "PG-PASSWORD" "PSQL_Password"
Path_to_PSQL_Data_Dir
The path to the PostgreSQL data directory.
Path_to_PSQL_Archive_Dir
The path to the PostgreSQL archive directory. Specify the path where the archive command copies files and stores them between full backup runs. This directory must be writeable by the user that runs PostgreSQL processes.
localhost_or_directory_of_socket_file
Specify localhost or the path to a socket file. Entries beginning with / are interpreted as a socket file path (just specify the path, for example, /tmp, not /tmp/.s.PGSQL.5432. If a directory is used, the PostgreSQL server and Amanda backup server must reside on the same machine.
Path_to_temp_dir
Temporary directory. Must have enough capacity to temporarily store the backup data for a full backup of the PostgreSQL server. Defaults to /tmp.
Path_to_PSQL_Binary
The path to the PostgreSQL psql binary executable file.
PostgreSQL_username
The OS user that runs PostgreSQL processes. Must have write permissions on all of the directories specified by the other properties.
Path_to_PSQL_Password_File
Passfile to use for Postgre 8.1 or greater. See http://www.postgresql.org/docs/8.1/static/libpq-pgpass.html
PSQL_Password
The PostgreSQL password (deprecated in PostgreSQL 8.1).
For further details on application properties, see amanda-client.conf(5). For specific details on PostgreSQL agent properties, see ampgsql(8).
Create a dedicated backup set for each PostreSQL server you intend to back up. On the Backup What page you are prompted to select what type of object you want to back up. Choose PostgreSQL, and the following options are displayed:
After you have set the options, click the Add button to add the PostgreSQL server to the backup set. Click Apply Plan to Server to commit the changes; you can then configure the backup set just as you would any other by setting the options on Backup Where, Backup How, and Backup When, etc.
Make sure that PostgreSQL is installed in the same location as when the backup was run. The databases and logs file locations should also match the original configuration. When you have selected the disk list entry that includes the Postgres server for restore, the Restore What page displays the following options:
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Select all the appropriate options and Restore->What page.
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