Cluster shared volumes (CSV) is a feature of Failover Clustering that simplifies the configuration and management of clustered virtual machines running on Hyper-V hosts. CSV works by allowing multiple clustered virtual machines to use the same logical unit number (LUN) or disk while still being able to fail over independently of one another.
Windows Server 2012 delivers new capabilities for CSV including:
CSV support for a scale or file server
Multi-IP Subnet support
Support for BitLocker encryption
Direct I/O for more scenarios
Block Level I/O redirection
Support for memory mapped files
Using CSV with clustered virtual machines running on Hyper-V hosts is a big topic, so this section deals with ...
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