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All-flash storage refers to a storage system that exclusively utilizes flash memory for data storage, eliminating the use of traditional spinning hard disk drives (HDDs). All-flash storage solutions offer significantly faster data access and retrieval than traditional HDD-based storage systems. The advantage of an all-flash array, relative to disk-based storage, is full bandwidth performance and lower latency when business applications make a query to read the data. The smaller size of AFAs can result in significantly smaller storage footprints and reduced cooling costs.

Data tiering is a storage management strategy that categorizes and organizes data into different tiers or levels based on specific attributes and importance to business operations. Tiering is a strategic data management approach that categorizes or classifies data into distinct tiers (hot, warm, and cold) based on various data characteristics. The key criteria utilized to allocate data to the appropriate categories typically include how often the data is accessed, whether the data needs to be updated, and how quickly data must be accessed.