Cluster Failover not working - Cluster Disk Showing unknown and unreadable in Disk Management

Hi Experts,

 I   have  Windows 2003 R2 S2 Microsoft Cluster  , we are facing Cluster  Failover  issue to one of our Server .

Server Problem start with   Blue dump error , I have Started Server With Last good configuration.

Problem not resolved, and  Operating System  repaired by Support partner.

We have also try  Evict a Node from Cluster and re-join cluster, but problem is not resove.

   Details of error.                               

1. Failover not working due Cluster Disk ( SAN Storage)  not moving from one Server  to  2^nd Server.
2. Cluster Disk Showing unknown  and  unreadable in Disk Management on 2^nd Server when we move cluster group.
3. SAN Storage LUNs are showing in Storage Manager.

1. After repetitive remove and re-installed of Storage and Multi Path Driver , Cluster  is working fine  with our SAP system, but after restart the Server  same problem occurs.
2. Following are main  error occurs  after Cluster Group movement  :

1>    Delayed Write Failed} Windows was unable to save all the data for the file – Event ID : 50

2>    Cluster resource 'Disk Q:' in Resource Group 'Cluster Group' failed. –        Event ID : 1069

3>    The system failed to flush data to the transaction log. Corruption may occur. -      Evend  ID :  57

4>    Cluster service was halted to prevent an inconsistency within the server cluster. The error code was 5027. Event ID : 1073

  Details of Server

1>    Operating System           :  Windows 2003 R2 32 Bit

2>    Cluster Type                      :  Microsoft Cluster  - Active – Passive.

3>    Server Hardware             :  IBM X3850

4>    Storage                                               :  DS43000

Any solution for resolve Server Cluster issue.

Bharat