Saturday, June 15, 2024

The Hidden Costs of Data Storage

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In evaluating storage costs, it is important for end users comparing systems to understand the absolute performance and capacity of the system for a given price point, and then consider how flexible, scalable, and resilient the system can be.

The exponential increase in drive density, the incorporation of performance acceleration technologies, and the adoption of data reduction tools such as compression and deduplication are changing the perceived and actual cost of storage systems.  Traditional purchasing decisions made on a dollar-per-raw-gigabyte basis may lead buyers to spending more than they presume simply because they are only buying capacity without consideration for other necessary attributes.  These attributes include reliability, security, efficiency, performance, and manageability.  When buying a storage system, consider the following: 

–The cost per raw gigabyte is a poor metric when purchasing a system to support performance-driven applications. It is imperative that the organization understands what applications will be hosted on the storage array and what their performance and capacity requirements will be over time.  Having an understanding of the environment ahead of time will make the soliciting and evaluation of options simpler.

–Performance acceleration technologies may have a direct impact on the ability of the storage system to deliver higher level of IOPS or throughput. Technologies such as compression or deduplication may have a similar impact on capacity and its utilization.  The benefits must be viewed in light of any additional costs associated with deploying them and the actual results that can be expected based on the actual applications and data to be used.

–Advantages of acceleration and capacity optimization technologies may come at a cost in complexity that translates to a storage system’s manageability. Added complexity or reduction in manageability of the system over time may lead to unexpected costs in people, time, productivity, and competitiveness.    

The storage industry has been trending along Moore’s predicted line of growth with HDD capacity increasing and the cost per gigabyte decreasing.

Read the rest at INFOSTOR.

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