'Real-time' automated tiered storage
Dot Hill’s AssuredSAN® Pro 5000 Series is a hybrid SSD and HDD SAN storage system that accelerates I/O. Using the Pro 5000 Series with integrated RealStor™ management software, IT managers can improve data responsiveness, remove guesswork and simplify SAN storage management. RealStor, Dot Hill’s storage tiering software takes responsiveness to a new level - that of continuously responding to user data storage demands by moving 'hot' data to a high-speed SSD tier.
If you need more information for above, please refer to links :
https://www.dothill.com/storage-arrays/assuredsan-pro-5000-storage-tiering-san/