Thanks Jonathan Ellis,

  If so, how does the hinted handoff work? I thought the coordinator node will write the data to another node(e.g. G node), I'm confused.

Shen
 
> Second, if
> B node is down during the write operation, does it return failure(CL=ALL) to
> user?

yes

--
Jonathan Ellis
Project Chair, Apache Cassandra
co-founder of Riptano, the source for professional Cassandra support
http://riptano.com