Add a user integration document of delfin with huawei oceanstor.

user-integrations/delfin-oceanstor/README.md

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+# SODA Delfin Project Integration in Toyota Motor Corporation Internal Lab
+
+**Project :** Delfin - The SODA Infrastructure Manager Project ([https://github.com/sodafoundation/delfin](https://github.com/sodafoundation/delfin))
+
+**User :** TOYOTA MOTOR CORPORATION
+
+**Use case :** To experience the storage monitoring capability of Delfin
+
+**Description :**
+- Their setup have Kubernetes cluster setup along with several deployed applications
+- Huawei Oceanstor storage is attached to the cluster
+- SODA Delfin is deployed on this cluster in a single replica mode
+- Ocenstor device is registered with delfin
+- Below key scenarios are under test on the setup
+  - Retrieval of storage information
+  - Retrieval of storage controller information
+  - Retrieval of storage pool information
+  - Retrieval of disk information of the storage
+  - Retrieval of volume information of the storage
+  - Retrieval of port/controller information of the storage
+  - Retrieval of alert information of the storage
+  - Retrieval of performance metrics information of the storage
+
+## Deployment View
+
+![Deployment view](deployment-view.png "SODA Delfin 1.8.0 single instance on Kubernetes 1.27.4 cluster which is connected to Huawei Oceanstor Dorado 6000 V3 V300R002C10 by network")
+
+## Test Status
+|Feature|Function|Status|
+|--|--|--|
+|Storage Information|Retrieval|Completed|
+||Registration|Completed|
+||Deletion|Completed|
+|Controller Information|Retrieval|Completed|
+|Storage Pool Information|Retrieval|Completed|
+|Disk Information|Retrieval|Completed|
+|Port Information|Retrieval|Pending with Error|
+|Alert/SNMP-config Information|Retrieval|Completed|
+||Registration|Completed|
+||Deletion|Completed|
+|Performance Information|Retrieval|Pending with Error|
+