The
active flash feature of
Dynamic Tiering automatically promotes pages when their access frequency suddenly becomes high.
Based on functions for
Dynamic Tiering,
active flash can promote pages to Tier 1 if their latest access frequency suddenly becomes high. The
active flash feature can improve Tier 1 I/O performance by reallocating Tier 2 pages if their I/O loads have increased suddenly.
Thin provisioning technology allows you to allocate virtual storage capacity based on anticipated future capacity needs, using virtual volumes instead of physical disks. Thin provisioning is an optional provisioning strategy for your storage systems. Thin provisioning is implemented by creating one or more
Dynamic Provisioning pools (DP pools) of physical storage space.