RE: Backup question

On Tue, 3 Jul 2001, tamsin wrote:

>
> to do our nightly cron jobs we have a script like this:
>
> PGUSER=postgres
> PGPASSWORD=password
> export PGUSER PGPASSWORD
> pg_dump databasename | gzip > databasename.bak.gz

Thanks, this points me into the right direction, I didn't knew about the
environment vars PGUSER and PGPASSWORD.

regards,
le

> -----Original Message-----
> From: pgsql-novice-owner@postgresql.org
> [mailto:pgsql-novice-owner@postgresql.org]On Behalf Of Lukas Ertl
> Sent: 03 July 2001 09:43
> To: pgsql-novice@postgresql.org
> Subject: [NOVICE] Backup question
>
>
> Hi,
>
> I have a question concerning database backups. From what I've learned in
> the Admin guide, simply letting our ADSM backup run over the files will
> not provide a consistent backup of the databases, so I should use pg_dump
> or pg_dumpall.
>
> Ok, now since this is a multi-user box I've setup password authentication
> in pg_hba.conf for all users. With this configuration I cannot run
> pg_dumpall anymore, I tried to run it with "pg_dumpall -u" and I get:
>
> [pgsql@gerda ~/data]$ pg_dumpall -u
> --
> -- pg_dumpall (7.1.2)   -u
> --
> \connect template1
> DELETE FROM pg_shadow WHERE usesysid <> (SELECT datdba FROM pg_database
> WHERE datname = 'template0');
>
> Password:
> psql: Password authentication failed for user 'pgsql'
>
> DELETE FROM pg_group;
>
> Password:
> Password:
>
> --
> -- Database template1
> --
> \connect template1 pgsql
> \connect template1 pgsql
> Username: Password:
> DELETE FROM pg_group;
>
> Password:
> Password:
>
> --
> -- Database template1
> --
> \connect template1 pgsql
> \connect template1 pgsql
> Username: Password:
>
> Connection to database 'template1' failed.
> ERROR: Missing '=' after 'pgsql' in conninfo
>
> pg_dump failed on template1, exiting
>
> It doesn't accept my password (although I'm sure I typed correctly), and
> it doesn't dump anything. Using pg_dump works, but this is quite
> inacceptable since I don't want to dump each database on its own.
>
> Another question is how I should dump the db on a nightly cron job, since
> it always asks for a password, and I found no way of supplying it except
> by typing it in at the prompt (do I really have to work with expect?).
>
> TIA,
> regards,
> le

--
Lukas Ertl                          eMail: l.ertl@univie.ac.at
WWW-Redaktion                       Tel.:  (+43 1) 4277-14073
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der Universität Wien