Dell Unity: Comparing the maximum recommended IOPS per drive for Dell Unity and VNX arrays
Summary: The recommended IOPS per drive is different between Dell Unity and VNX arrays. Below are the values for both.
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Instructions
Drive IOPS and Response Time are key indicators to determine drive overload. Individual drives provide varying levels of performance based on the workload which is applied. Workload attributes such as I/O size, access patterns, queue depth can result in a drive providing more or less IOPS at acceptable response times. In general, Dell Technologies recommends the following values for determining when a drive may be approaching its maximum performance.
VNX
Unity
Affected Products
VxBlock and Vblock Systems, Dell EMC UnityArticle Properties
Article Number: 000204509
Article Type: How To
Last Modified: 30 May 2025
Version: 7
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