Use Storage Foundation and High Availability (SFHA) in the guest in combination with Dynamic Multi-Pathing (DMP) in the RHEV host to combine storage management functionality for RHEV guest virtual machine resources and storage visibility in the RHEV host.
Using SFHA in the RHEV guest provides:
Enhanced database performance
Point-in-time copy features for data back-up, recovery, and processing
Options for setting policies to optimize storage
Methods for migrating data easily and reliably
Replication support
High availability for applications running inside virtual machines
Using DMP in the RHEV host provides:
For more information on SFHA features, see the Storage Foundation Cluster File System High Availability Administrator's Guide.
For more information on DMP features, see the Dynamic Multi-Pathing Administrator's Guide.