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เอกสารอ้างอิง Software_Veritas ข้อ 4.7
                                                           Overview of Storage Foundation for Databases  31
                                                             Use cases for Veritas InfoScale products


                            Table 1-4     Key use cases for SFHA Solutions products (continued)

                             Use case                        Veritas InfoScale feature
                             Make file level point-in-time snapshots using  FileSnap
                             SFHA Solutions space-optimized FileSnap
                             when you need finer granualarity for your
                             point-in-time copies than file systems or
                             volumes. You can use FileSnap for cloning
                             virtual machines.

                             Maximize your storage utilization using SFHA  SmartTier
                             Solutions SmartTier to move data to storage
                             tiers based on age, priority, and access rate
                             criteria.
                             See “About SmartTier” on page 253.

                             Maximize storage utilization for data  Flexible Storage Sharing
                             redundancy, high availability, and disaster
                             recovery, without physically shared storage.


                             Improve your data efficiency on solid state  SmartIO read caching for applications
                    4.7.12   drives (SSDs) through I/O caching using  running on VxVM volumes
                             advanced, customizable hueristics to
                                                             SmartIO read caching for applications
                             determine which data to cache and how that
                                                             running on VxFS file systems
                             data gets removed from the cache.
                                                             SmartIO write caching for applications
                                                             running on VxFS file systems
                                                             SmartIO caching for databases on VxFS file
                                                             systems
                                                             SmartIO caching for databases on VxVM
                                                             volumes
                                                             SmartIO write-back caching for databases is
                                                             not supported on SFRAC
                                                             See the Veritas InfoScale 7.4 SmartIO for
                                                             Solid-State Drives Solutions Guide.

                             Plan a maintenance of virtual machines in a  Just In Time Availability solution
                             vSphere environment for a planned failover
                             and recovery of application during unplanned
                             failure using the Just In Time Availability
                             solution.





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