A. The answer is most likely no. The CSV namespace is a feature provided by the cluster, so if your cluster is unavailable the contents of the ClusterStorage folder on each node in the cluster won't be available. Depending on how cleanly the cluster was shut down and the cleanup performed, some elements of the ClusterStorage may still be visible, but the folder is unlikely to function correctly.
You need to force the cluster to start to get access to the Cluster Shared Volume content. You can force it to start by forcing quorum, but this should only be done as a last resort, because forcing quorum can cause problems if other nodes in the cluster are still available and have made quorum. Make sure you know the status of all other nodes in the cluster before forcing quorum.
Related Reading:- How do I create a failover cluster in Windows Server 2008?
- Is a Windows Server 2003 and Windows Server 2008 mixed-cluster possible?
- How can I add disk resources to a Windows Server 2008 cluster from the command line?
- How do cluster shared volumes work in Windows Server 2008 R2?
- How to Manage Failover Clusters in Windows Server 2008
- Configure Windows Server 2008 Failover Clustering from the Command Line
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