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Re: Backup

From: Jason Friedman <jason(at)powerpull(dot)net>
To: ljsharpe <ljsharpe(at)westnet(dot)com(dot)au>
Cc: pgsql novice <pgsql-novice(at)postgresql(dot)org>
Subject: Re: Backup
Date: 2002-03-31 03:30:39
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-novice
When you produced the two .sql backup files, what command did you use to
produce them?

In general, if you want to create a database with the same name as the old
one, you'll have to drop the old one first.  If you've got lots of disk
space you could load the new backup as db2, verify it, then drop db1.  On
the next backup cycle you can load db1, verify it, then drop db2, etc.


On Sun, 31 Mar 2002, ljsharpe wrote:

> Hi All,
> Operating databases is not my forte and I am new to it.  For me a
> database is a tool to use to help with my main work (so is a computer if
> it comes to that).  I can ill afford to lose any data.
> I run two databases for personal purposes and have a two machine
> network.  The "old" machine I use for back up purposes.  I have run the
> dump command and produced two .sql files which I have transferred to my
> old machine via ftp.  Both have successfully re-created their databases
> on my old machine.
> I have now added to both databases and wish to do a subsequent back
> ups.
> Do I just run the dump command on each database again please?  Will this
> overwrite the original .sql files or should I delete (rm) the original
> .sql files on my current or working machine and start again?  On the old
> machine do I delete the first .sql files and ftp the newer ones and then
> just run the psql command to re-create the updated databases?  Do I have
> to drop the first re-created databases before attempting to restore the
> updated .sql files after sending them via ftp from my current machine to
> my old machine?  I could just try to see what works (as I did when
> starting and running postgresql in the first place) but I worry about
> losing my data in an ill-conceived experiment.
> I am running Red Hat Linux 6.2.
> Thanks for any help.
> Cheers,
> Les.

In response to

  • Backup at 2002-03-31 02:48:26 from ljsharpe

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