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Re: Backups

From: Nilesh Govindarajan <lists(at)itech7(dot)com>
To: Scott Marlowe <scott(dot)marlowe(at)gmail(dot)com>
Cc: pgsql-admin(at)postgresql(dot)org
Subject: Re: Backups
Date: 2010-02-21 01:57:28
Message-ID: 4B809308.6000204@itech7.com (view raw or flat)
Thread:
Lists: pgsql-admin
On 02/20/2010 11:23 PM, Scott Marlowe wrote:
> On Sat, Feb 20, 2010 at 10:11 AM, Nilesh Govindarajan<lists(at)itech7(dot)com>  wrote:
>> I want a script to backup all databases table by table in different .sql
>> files.
>
> Why?  It may be that pg_dump / pg_restore already provide the
> functionality you are looking for.
>
>> How to do this ?
>
> pg_dump -t tablename dbname
>
> rinse repeat
>
>> Also since it is a script, there has to be some role having read access to
>> all tables on all databases. How to grant that ?
>
> Can they just be a superuser?  Or can you grant them the role that has
> ownership of the tables?

I don't feel safe to key in the root password in the script.

I was previously using MySQL, in which I had a user called backup 
without password having SELECT access on all tables and databases.

I need something similar in PgSQL. A possible solution seems to me is to 
use the trust auth for a user in pg_hba.conf, but if the user is given 
superuser status, then it will have write access to all databases, which 
is extremely dangerous.

-- 
Nilesh Govindarajan
Site & Server Adminstrator
www.itech7.com

In response to

  • Re: Backups at 2010-02-20 17:53:37 from Scott Marlowe

Responses

  • Re: Backups at 2010-02-21 02:33:42 from Scott Marlowe

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Subject: Re: pg_dump/restore problems
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Subject: Re: upgrading, but learned about pg_dumpall too late

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