3 files changed, 52 insertions, 3 deletions
diff --git a/src/table/replication/mod.rs b/src/table/replication/mod.rs
index dfcb026a..19e6772f 100644
--- a/src/table/replication/mod.rs
+++ b/src/table/replication/mod.rs
@@ -1,8 +1,10 @@
 mod parameters;
 
 mod fullcopy;
+mod mode;
 mod sharded;
 
 pub use fullcopy::TableFullReplication;
+pub use mode::ReplicationMode;
 pub use parameters::*;
 pub use sharded::TableShardedReplication;
diff --git a/src/table/replication/mode.rs b/src/table/replication/mode.rs
new file mode 100644
index 00000000..32687288
--- /dev/null
+++ b/src/table/replication/mode.rs
@@ -0,0 +1,47 @@
+pub enum ReplicationMode {
+	None,
+	TwoWay,
+	ThreeWay,
+}
+
+impl ReplicationMode {
+	pub fn parse(v: &str) -> Option<Self> {
+		match v {
+			"none" | "1" => Some(Self::None),
+			"2" => Some(Self::TwoWay),
+			"3" => Some(Self::ThreeWay),
+			_ => None,
+		}
+	}
+
+	pub fn control_write_max_faults(&self) -> usize {
+		match self {
+			Self::None => 0,
+			_ => 1,
+		}
+	}
+
+	pub fn replication_factor(&self) -> usize {
+		match self {
+			Self::None => 1,
+			Self::TwoWay => 2,
+			Self::ThreeWay => 3,
+		}
+	}
+
+	pub fn read_quorum(&self) -> usize {
+		match self {
+			Self::None => 1,
+			Self::TwoWay => 1,
+			Self::ThreeWay => 2,
+		}
+	}
+
+	pub fn write_quorum(&self) -> usize {
+		match self {
+			Self::None => 1,
+			Self::TwoWay => 2,
+			Self::ThreeWay => 2,
+		}
+	}
+}
diff --git a/src/table/replication/sharded.rs b/src/table/replication/sharded.rs
index 93b95a38..8081b892 100644
--- a/src/table/replication/sharded.rs
+++ b/src/table/replication/sharded.rs
@@ -26,8 +26,8 @@ pub struct TableShardedReplication {
 
 impl TableReplication for TableShardedReplication {
 	fn read_nodes(&self, hash: &Hash) -> Vec<Uuid> {
-		let ring = self.system.ring.borrow().clone();
-		ring.walk_ring(&hash, self.replication_factor)
+		let ring = self.system.ring.borrow();
+		ring.get_nodes(&hash, self.replication_factor)
 	}
 	fn read_quorum(&self) -> usize {
 		self.read_quorum
@@ -35,7 +35,7 @@ impl TableReplication for TableShardedReplication {
 
 	fn write_nodes(&self, hash: &Hash) -> Vec<Uuid> {
 		let ring = self.system.ring.borrow();
-		ring.walk_ring(&hash, self.replication_factor)
+		ring.get_nodes(&hash, self.replication_factor)
 	}
 	fn write_quorum(&self) -> usize {
 		self.write_quorum