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Re: Can a pg_dump file be loaded into a different OS?

From: Michael Fuhr <mike(at)fuhr(dot)org>
To: "Anye M(dot) Sellers" <anyeone(at)yahoo(dot)com>
Cc: pgsql-ports(at)postgresql(dot)org
Subject: Re: Can a pg_dump file be loaded into a different OS?
Date: 2005-09-07 00:25:03
Message-ID: 20050907002415.GA8507@winnie.fuhr.org (view raw or flat)
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Lists: pgsql-ports
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On Tue, Sep 06, 2005 at 08:04:31AM -0700, Anye M. Sellers wrote:
> I actually meant the custom archive format.  One of
> the tables in the client's database has so many
> records that it crashes creating a script file for it,
> at the exact same place every time - so they created
> used the -Fc extention on the pg_dump command.  

What crashes?  pg_dump or the backend?  What (if any) error messages
do you see on the command line and in the server's logs?  If you
can reproduce that problem consistently then please report it as a
possible bug, because it shouldn't happen.

Regarding the custom archive format, the documentation says it
should work across platforms, and it has worked for me when I've
done it (going between FreeBSD/i386 and Solaris/sparc), at least
with PostgreSQL 8.0.3.

> When I try to load it I get an error saying the
> archive file is missing the "magic" line in the
> header.  I wasn't sure if that was a Linux vs. Windows
> issue or if the archive file was corrupt.

That sounds like a corrupt file.  What were the exact commands you
used to dump and restore the file, and what was the exact error
message?  What version of PostgreSQL are you using?  Are you using
the same version on both systems?  How did you transfer the file
from one system to the other?  Did you do a binary transfer?  I
don't know that a non-binary transfer would corrupt the magic header,
but it would probably corrupt other data in the file.

-- 
Michael Fuhr

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