Re: backups - Mailing list pgsql-admin

From mcelroy, tim
Subject Re: backups
Date
Msg-id 0C4841B42F87D51195BD00B0D020F5CB044B2643@MORPHEUS
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In response to backups  ("mcelroy, tim" <tim.mcelroy@bostonstock.com>)
Responses Re: backups
Re: backups
List pgsql-admin

Thanks for the quick answer Scott.  I thought so but wanted to double-check.  I was asked by the person who performs our system backups if just backing up the directory where I put the nightly backups (created with pg_dump) was enough.  I also have them backing up /var/lib/pgsql and everything under that and they're complaining that it's taking too long.  I would think we would also want to back up the pg_xlog directory though.  Or is that overkill?  Is there a standard in the PG community I should follow?  Is just performing the pg_dump and saving that to tape enough?  I just don't want to get bit in the butt if I tell him to not back something up that should be backed up.

Tim

-----Original Message-----
From: Scott Marlowe [mailto:smarlowe@g2switchworks.com]
Sent: Wednesday, May 10, 2006 11:57 AM
To: mcelroy, tim
Cc: 'pgsql-admin@postgresql.org'
Subject: Re: [ADMIN] backups

On Wed, 2006-05-10 at 10:49, mcelroy, tim wrote:
> Greetings,
>
>
>
> Does the pg_dump command 'backup' the pg_xlog files?

No.  Those are internal files used by the database to maintain
transactional integrity.  The pg_dump command backs up the database as
snapshotted at a specific point of time.

What are you trying to accomplish?

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