Best way to keep albums in sync on two load balanced web servers?

The following information is required to get an answer:
Get this information from the PHP diagnostic (in the configuration wizard).
Gallery URL (optional but very useful):
Gallery version: 1.5.1
Apache version: 1.3
PHP version (don't just say PHP 4, please): 4.3.10
Graphics Toolkit: NetPBM
Operating system: RedHat Fedora Core 4
Web browser/version (if applicable):

Hi there!

I've installed Gallery in our load balanced web server environment.

What's the best way to keep the albums in sync on two web servers?

Should I use the "Mirror Sites" feature on web server 2 and just do all of my admin of the gallery on web server 1.

- Simon.