VSI is a tool designed to collect and track storage data at all levels of the organization, so planning can be performed at of levels -including business unit or application, enterprise, data center, individual storage arrays, host clusters, individual servers.
Collecting performance and configuration data and summarizing at all levels of the organization allows for improved capacity plans while reducing overall budgets. The chart below shows business application performance trends for all the key applications within an enterprise. The data reflects is the IO workload, with the data for latency being included on the reverse side of the chart. This trend data for IOPS is one of the 4 elements tracked and used to develop future forecast based on trends from previous months for each performance metric (IOPS, Latency, MB/Sec, and Node utilization.
This next chart shows all 4 performance metrics in a single chart and how each measurement is tracking against its own percent of threshold. In this example, Latency and node utilization are showing the highest percent of threshold, but node utilization has the highest growth factor based on starting at a lower percentage 12 months from the current measurement.
Being able to see how the array is performing against each metric allows for more targeted purchases vs. generic purchases. Reducing node utilization may just involve purchasing additional controllers without any additional storage to improve utilization without incurring additional costs.
VSI includes multiple forecasting models that can be used to clarify capacity and growth assumptions. These different models (array-based or a grid model) provide two different ways to see capacity growth. These models allow customers to model and plan for:
- Types of storage needed to meet planned future requirements
- High Performance storage
- High capacity (lower cost) storage
- New Applications
- Performance requirements by applications
- Unique space considerations like deduplication & compression usage
Benefits of Using VSI for Capacity Planning
Reduce upgrade costs, minimize/eliminate unplanned budget events, improve IT staff productivity (no collection or analysis time – all data available and delivered through consumable reports). No one makes this process as easy and effortless as VSI. The cloud -based nature of the VSI application means the data is available to all levels of management throughout the organization. Organizing the data in an easy-to-use and accessible format for analysis allows customers at all levels to build, change and manage their storage capacity and performance from anywhere, at any time.