WordPress multisite/network domain mapping with multiple server blocks

[tcbarrett]

I'm thinking of setting up multiple server blocks with the same document
root (all one WP mutisite), rather than one server block with a long
list of aliases in the server_name.

Trivial set up would be that they are all identical, except for the
server_name directive.

Is this a bad idea? Does it matter?

Posted at Nginx Forum: http://forum.nginx.org/read.php?2,227467,227467#msg-227467