add prometheus port and fix pvc mount

Author: tmonty12

components/backends/vllm/deploy/disagg_planner.yaml

@@ -13,6 +13,8 @@ spec:
       value: '{"Prometheus":{"global":{"scrape_interval":"5s"},"scrape_configs":[{"job_name":"prometheus","static_configs":[{"targets":["localhost:9090"]}]},{"job_name":"frontend","static_configs":[{"targets":["vllm-disagg-planner-frontend:8000"]}]}]}}'
     - name: DYNAMO_NAMESPACE
       value: "vllm-disagg-planner"
+    - name: PROMETHEUS_PORT
+      value: "8000"
   services:
     Frontend:
       dynamoNamespace: vllm-disagg-planner
@@ -48,7 +50,7 @@ spec:
       pvc:
         create: false
         name: dynamo-pvc # Must be pre-created before deployment and SLA profiler must have been run
-        mountPoint: /data/profiling_results
+        mountPoint: /data
       extraPodSpec:
         mainContainer:
           image: nvcr.io/nvidia/ai-dynamo/vllm-runtime:0.4.1