Easy Tier is a no charge feature of IBM Storwize V7000 that brings enterprise storage
functions to the midrange segment. It enables automated subvolume data placement
throughout different storage tiers to intelligently align the system with current workload
requirements and to optimize the usage of SSDs. This functionality includes the ability to
automatically and nondisruptively relocate data (at the extent level) from one tier to another
tier in either direction to achieve the best available storage performance for your workload in
your environment. Easy Tier reduces the I/O latency for hot spots, but it does not replace
storage cache. Both Easy Tier and storage cache solv ...
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