Can you use drbd8 for syncing more than two machines?

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http://serverfault.com – I'm really new to this. I've been struggling with how to keep multiple webservers synced. It seems like DRBD8 and OCFS2 is the way to go. However, every example I see so far keeps referencing dual-primary and two nodes. I don't see anything indicating this is the way to go for say 5-10 webservers. So the question is mostly, can DRBD8 be used to sync 5-10 web servers and would it be good in an environment were we frequently add/remove web servers? (HowTos)