Post by George Crump (thank you)
For as long as there has been data there has been a quest to consolidate that data onto a single, consolidated storage system, but that quest seems to never be satisfied. The problem is that there are essentially two types of data; active and archive. Active data typically needs fast I/O response time at a reasonable cost. Archive needs to be very cost effective with reasonable response times. Storage systems that try to meet both of these needs in a single system often end up doing neither particularly well. This has led to the purchase of data and/or environment specific storage systems and storage system sprawl.
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