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  • Blog Post: rpcinfo command returns error “RPC: failed to connect portmap”

    Recently we got an issue where Unix clients were unable to access NFS resource hosted on a Windows 2008 cluster environment. Upon troubleshooting we also found that even rpcinfo –p to localhost return an error "RPC: failed to connect portmap”. Even running the ‘showmount –e localhost’ from local machine...
  • Blog Post: New security features on Windows 2008 R2 effects NFS permissions

    On Windows Server 2008 R2 based cluster, when we add or remove the hosts (using the Permissions button on NFS sharing tab), the changes are not reflected unless we bounce the resources. Because of tighter integration, the NFS shares that we create using Windows Explorer on the clustered disks also show...
  • Blog Post: Unable to move NFS resource from one cluster node to other

    One of the common issue on NFS as a cluster resource is that during failover the resource fails to move from one node to other. The network name is moved but the NFS resource shows the status as “Failed” This usually happen due registry corruption. Server for NFS service has to be started in certain...
  • Blog Post: Server for NFS failed to initialize on drive letter <L:>

    At times we see an event when the Server for NFS service starts up and the clients fail to mount the shares on this drive with error – invalid argument. This happens on a 2 node cluster environment. In this specific environment, the drive in questions is L: and the WMI traces show some issues...