Date: Tue, 12 Jul 2005 15:06:37 -0700 From: "Darren Pilgrim" <dmp@bitfreak.org> To: "'RC'" <rubbishcollector@yahoo.com>, <freebsd-isp@freebsd.org> Subject: RE: fastest way to duplicate production server? Message-ID: <001801c5872d$fa107db0$642a15ac@SMILEY> In-Reply-To: <20050712214555.42683.qmail@web53902.mail.yahoo.com>
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From: RC <rubbishcollector@yahoo.com> > > We have a production FreeBSD 4.10 server running old versions > of Apache/MySQL/PHP from ports. We'd like to upgrade > Apache/MySQL/PHP to the latest versions. Before upgrading > we'd like to test on a test box. > > What's the fastest way of duplicating the existing > Apache/MySQL/PHP (including user databases)? (The production > server cannot go down for more than a few seconds.) Make per-filesystem back-ups of everything excluding those files opened read-write by whatever services you're running (ignore log files). Use nice to run the backup at a priority low enough to not usurp resources from the production services. Stop whatever services are running. Use fstat to make sure the excluded files are closed. Make a backup of the files excluded from the first backup run (again, ignore logs). Restart whatever services you stopped. If you can get away with it, flip the volumes read-only before doing the backup, it can make things just a little bit faster.help
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