Re: Practice of backups - Mailing list pgsql-admin

From Michael Graziano
Subject Re: Practice of backups
Date
Msg-id 9AA38472-FFB0-4BB8-9318-3D50AB4E5B83@premierheart.com
Whole thread Raw
In response to Re: Practice of backups  (Jesper Krogh <jesper@krogh.cc>)
Responses Re: Practice of backups  (Julius Tuskenis <julius@nsoft.lt>)
List pgsql-admin
On Nov 19, 2009, at 1:58 PM, Jesper Krogh wrote:

> Michael Graziano wrote:
>> None that I know of from within the database environment, but you can
>> grab a copy of the data directory off the filesystem.  Note that this
>> requires stopping the DB server though, as a backup grabbed while
>> the DB
>> is running may have issues.
>
> Not if you have enabled PITR and tell the database that you do so:
> http://www.postgresql.org/docs/8.4/static/continuous-archiving.html
>
> Works excellent..

That's true - I forgot about pg_start_backup / pg_stop_backup (which
is sad considering I use them every time I roll a new slave...)

Doing the backup that way avoids the outage in my filesystem
snapshotting example and isn't dependent on OS-level capabilities so
it's definitely a better way to go.

-MG

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