This really depends on the nature of the site. If the site is basically a content provider -- a limited group of users are logging in and adding files -- you can send all the logged in users to one server. In that scenario, rsync works fine. one way to do that is to require https for logins and direct all https requests to the key server.
If you are running a site where everyone logs in and adds files, ala Facebook, you'll need more sophisticated file management. If you have only three servers in a single location, you might consider putting a single NFS file server behind them. Bigger setups use SANs.
2009/10/22 Ivan Working workingivan@hotmail.com:
Hi all,
My company is using 3 Drupal servers with load balancer to distribute the load. The problem is the files in sites/default/files folder need to be synchronized among these 3 Drupal servers.
I am thinking of using rsync for this purpose but I heard rsync may not be the best way to do it since it shouldn't delete the files so the number of files will grow quickly.
Has anybody used rsync to synchronize the files? Is there a better method to synchronize files in sites/default/files?
Thank you in advance!
Cheers, Ivan
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