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The end of an era?
To be fair, enterprise-class storage offerings from nearly all of the leading storage vendors have managed to evolve, in terms of performance as well as advanced functionality, to meet and even anticipate customer needs. They have successfully incorporated virtualization technology (e.g., Hitachi Data Systems' USP), integrated multiple performance tiers (e.g., solid-state and SATA storage), enhanced replication capabilities (e.g., EMC's SRDF family) and added connectivity options. It's safe to say that for this class of storage, future-state technology directions are well mapped and well balanced in terms of stability and innovation.
The situation is a little less clear at the midrange level. Evidence continues to mount that the venerable dual-controller midrange storage array is showing its age and will likely evolve into or be replaced by newer, highly
| virtualized designs promising near-enterprise system functionality at affordable price points.
Among the indicators of the need for change are:
This was first published in July 2008