diff --git a/shared/src/main/java/com/inteligr8/alfresco/asie/model/PersistedNode.java b/shared/src/main/java/com/inteligr8/alfresco/asie/model/PersistedNode.java
new file mode 100644
index 0000000..9eeab4a
--- /dev/null
+++ b/shared/src/main/java/com/inteligr8/alfresco/asie/model/PersistedNode.java
@@ -0,0 +1,36 @@
+package com.inteligr8.alfresco.asie.model;
+
+import java.io.Serializable;
+
+public class PersistedNode implements Serializable {
+		
+    private static final long serialVersionUID = 4105196543023419818L;
+    
+    private final SolrHost node;
+    private final long persistMillis;
+    private long expireTimeMillis;
+    
+    public PersistedNode(SolrHost node, int persistMinutes) {
+        this.node = node;
+        this.persistMillis = persistMinutes * 60L * 1000L;
+        this.reset();
+    }
+    
+    public void reset() {
+        this.expireTimeMillis = System.currentTimeMillis() + this.persistMillis;
+    }
+    
+    public boolean isExpired() {
+        return this.expireTimeMillis < System.currentTimeMillis();
+    }
+    
+    public SolrHost getNode() {
+        return this.node;
+    }
+    
+    @Override
+    public String toString() {
+        return "node: " + this.node + "; expires in: " + (System.currentTimeMillis() - this.expireTimeMillis) + " ms";
+    }
+    
+}
diff --git a/shared/src/main/java/com/inteligr8/alfresco/asie/service/ShardBackupService.java b/shared/src/main/java/com/inteligr8/alfresco/asie/service/ShardBackupService.java
index d9ac37c..287821a 100644
--- a/shared/src/main/java/com/inteligr8/alfresco/asie/service/ShardBackupService.java
+++ b/shared/src/main/java/com/inteligr8/alfresco/asie/service/ShardBackupService.java
@@ -11,6 +11,7 @@ import org.springframework.beans.factory.annotation.Value;
 import org.springframework.stereotype.Component;
 
 import com.inteligr8.alfresco.asie.Constants;
+import com.inteligr8.alfresco.asie.model.PersistedNode;
 import com.inteligr8.alfresco.asie.model.ShardSet;
 import com.inteligr8.alfresco.asie.model.SolrHost;
 
@@ -34,7 +35,7 @@ public class ShardBackupService implements com.inteligr8.alfresco.asie.spi.Shard
 		this.logger.debug("Found backup node: {}", backupNode);
 		
 		if (backupNode == null || backupNode.isExpired()) {
-			backupNode = new PersistedNode(node);
+			backupNode = new PersistedNode(node, this.persistTimeMinutes);
 			this.attributeService.setAttribute(backupNode, Constants.ATTR_ASIE, ATTR_BACKUP_NODE, shardKey);
 		}
 		
@@ -49,38 +50,5 @@ public class ShardBackupService implements com.inteligr8.alfresco.asie.spi.Shard
 		String shardKey = shardSet.getCore() + "-" + shardId;
 		this.attributeService.removeAttribute(Constants.ATTR_ASIE, ATTR_BACKUP_NODE, shardKey);
 	}
-	
-	
-    
-    private class PersistedNode implements Serializable {
-		
-		private static final long serialVersionUID = 4105196543023419818L;
-		
-		private final SolrHost node;
-		private long expireTimeMillis;
-		
-		PersistedNode(SolrHost node) {
-			this.node = node;
-			this.reset();
-		}
-		
-		void reset() {
-			this.expireTimeMillis = System.currentTimeMillis() + persistTimeMinutes * 60L * 1000L;
-		}
-		
-		boolean isExpired() {
-			return this.expireTimeMillis < System.currentTimeMillis();
-		}
-		
-		SolrHost getNode() {
-			return this.node;
-		}
-		
-		@Override
-		public String toString() {
-			return "node: " + this.node + "; expires in: " + (System.currentTimeMillis() - this.expireTimeMillis) + " ms";
-		}
-    	
-    }
 
 }