Transparent cloud tiering
In this chapter, we extend the tiering process a step further. We add another tier, which is the cloud.
Good storage management practices are based on the principle that physical space often is configured in logical pools that can be dynamically reconfigured to increase or decrease the storage capacity that is available for use. This reconfiguration should also be transparent to the user.
Storage Cloud on mainframes introduces a new storage tier that can be exploited to provide extended storage capacity at a lower cost ...