DataCore SANsymphony-V Tiered storage reduces costs and optimizes performance. You can reserve your most pricey disks for the most critical and demanding applications while you assign lower cost drives to lower priority workloads. Often customers choose Solid State Drives (SSD) for an exclusive set of workloads whereas they set aside relatively inexpensive large capacity SATA drives for online backups. The same application may take advantage of different tiers. For example a database applications may employ disks from the high performance high availability tier for critical log files but use low-end high-density drives for its scratch files