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Getting the most from your storage system is a basic requirement, but with many efficiency techniques you’ll have to decide if performance tops capacity utilization.
A challenging economy may have been the original impetus for improving the efficiency of installed storage systems, but now it’s just a way of life for data storage managers. Dismal disk capacity utilization of well under 50% and underutilized storage controllers with only a fraction of their processing resources tapped is increasingly unacceptable in most IT shops. Inefficient storage operations have become a sore spot in data centers where server consolidation and virtualization have been able to maximize the use of physical server resources.
Server virtualization has not only set an efficiency precedence that storage systems must follow, it’s coercing storage systems to become more efficient. Utilization of a storage array that lacks the ability to allocate capacity and storage resources granularly declines as the number of servers connected to it increases. To maximize the impact of data center consolidation, server virtualization and efficient storage must go hand-in-hand.
This was first published in August 2012