SmartCache feature of OceanStor T series/V3 series

SmartCache is an intelligent caching technology that uses SSDs as read cache resources.

This technology creates a SmartCache pool of SSDs and migrates frequently accessed random small I/Os from conventional hard disk drives (HDDs) to the high-speed cache pool. The data read speed of SSDs is much faster than that of HDDs, so SmartCache greatly shrinks the hot data response time and improves the system performance.

SmartCache divides an intelligent cache pool into partitions that provide fine-grained SSD cache resources for services. Different services can share one partition or use different partitions. The partitions are isolated from each other. More cache resources can be allocated to key applications to ensure application performance.

SmartCache does not interrupt existing services or compromises data reliability.

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