Re: automating backups with windows scheduled tasks and pg_dumpall

Hi Tom

In windows you would need to include the runas command so your bat file
needs to execute the command via runas as in
runas /user:postgres "bin\pg_dumpall.exe -U foo_postgres"

HTH
Martin
----- Original Message -----
From: "Tom Hart" <tomhart@coopfed.org>
To: "Postgres General List" <pgsql-general@postgresql.org>
Sent: Thursday, November 15, 2007 5:07 PM
Subject: [GENERAL] automating backups with windows scheduled tasks and
pg_dumpall


> Hello everybody. I'm having a bit of trouble automating pg_dumpall to do
> nightly backups. I have a batch file whose contents are below
>
> SET PGPASSFILE=C:\foo\bar\PG_BACKUP\PGPASSFILE\pgpass.conf
> "C:\Program Files\PostgreSQL\8.2\bin\pg_dumpall.exe" -U foo_postgres >
> C:\foo\bar\PG_BACKUP\db.out
>
> Now this file, when I double click on the .bat, works wonderfully. It
> sets the variable correctly, reads the pw file with no problem, and
> performs the dump. However when this same bat is built into a scheduled
> task (same username, administrator in both cases), even though the task
> claims to have completed correctly, I have no evidence of it running,
> and it certainly isn't doing the backup.
>
> I'm sure many of you have experience in scheduling backups in this
> manner (though admittedly a large number of you are probably using cron
> in *nix). Is there anything that jumps out at you? Do scheduled tasks
> have a problem writing to files with > ? I tried an "echo this is a test
>  > test.txt" and that didn't run either. What's confusing is that
> windows is claiming everything ran fine, in under 5 seconds no less (my
> db isn't that big, but it takes longer than that to dump the entire
> thing). Any ideas?
>
> TIA
>
> Thomas R. Hart II
> tomhart@coopfed.org
>
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