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I looked around a little bit on the web page but the answer to my two questions was not immediately apparent to me. (Note: I might just be blind) 1. Can I set up a second Graylog Server as a failover with automated recovery and log syncing when both nodes come back up? 2. Can I run it on any cheap cheap embedded platforms like a raspberry pi or beagleboard?

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Yes, you can set up as many Graylog servers as you want and put them behind a load balancer or integrate any kind of failover you want.

We do not recommend it running on extremely small platforms like a raspberry pi, but a very small VM (we have OVAs and other virtual appliances ready) is able to process a lot of messages already.

> and put them behind a load balancer

Only if your load balancer supports UDP, which most don't. You'll most likely need to use DNS load balancing in this case unless you're sending GELF messages with TCP.

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