https://38a8db03.aww-3cz.pages.dev/tags/mdcoas/ Recent content in Mdcoas on Aaron's Worthless Words Hugo en Mon, 25 Jan 2010 00:00:00 +0000 https://38a8db03.aww-3cz.pages.dev/posts/2010/01/migrating-csm-serverfarms-to-other-server-vlans/ Mon, 25 Jan 2010 00:00:00 +0000 https://38a8db03.aww-3cz.pages.dev/posts/2010/01/migrating-csm-serverfarms-to-other-server-vlans/ <p>A coworker brought an interesting problem to me the other day.  He wanted to move a serverfarm from one server VLAN to another without taking an outage.  Since I didn&rsquo;t want to have to come into the office late at night to do work, I decided to see what we could do.</p> <p>It turned out to be pretty easy.  We tend to think of CSM VLANs as pairs &ndash; you have the client VLAN for the web servers where the vserver sits and the server VLAN where the serverfarm sits.  The CSM doesn&rsquo;t know about these relationships; all it cares about is whether the servers are in a server VLAN, and we can use that to our advantage here.</p>