Update single-server-clusters.md

add information about storage resiliency as there is nothing in this topic even it is about storage.

Author: Karl-WE

azure-local/concepts/single-server-clusters.md

@@ -58,6 +58,14 @@ The following table compares attributes of a single-node cluster to multi-node c
 |[Azure Stack HCI: Stretch cluster support](../concepts/stretched-clusters.md) | No | Yes |
 |[Use Graphics Processing Units (GPUs) with clustered VMs](/windows-server/virtualization/hyper-v/deploy/use-gpu-with-clustered-vm?pivots=azure-stack-hci&toc=/azure-stack/hci/toc.json&bc=/azure-stack/breadcrumb/toc.json)  | Yes | Yes |
 
+
+## Storage Resilliency
+ 
+    |# machines  |Volume resiliency  |# Infrastructure volumes  |# Workload volumes  |
+    |---------|---------|---------|----------|
+    |Single machine    |Two-way mirror         | 1        |  1        |
+
+
 ## Known issues
 
 The following table describes currently known issues for single-node clusters. This list is subject to change as other items are identified, check back for updates.