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The “Small IO Alerts” feature in XtremIO is designed to notify administrators when a significant number of small I/O operations are detected, which could potentially impact the performance of the storage array. The threshold for these alerts is typically set to a default value that considers the architecture and performance characteristics of the system. In the case of XtremIO, the alert is triggered when I/O operations are smaller than 4 KB1. This threshold is set based on the understanding that smaller I/O sizes can lead to inefficient utilization of the storage array’s resources and can be an indicator of suboptimal application behavior or configuration.

Zoning: Zoning is the process of configuring which devices can communicate with each other on a storage network.

VPLEX and XtremIO: The first step in adding an XtremIO cluster to a VPLEX environment is to zone the VPLEX to the XtremIO Storage Controllers.

Initial Configuration: This step ensures that the VPLEX can recognize and communicate with the XtremIO storage, which is necessary before proceeding with other configurations.

References:

Dell XtremIO and VPLEX Integration Guide

Dell XtremIO Zoning Configuration Documentation