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VMware vSphere APIs for I/O Filtering (VAIO)

An overview of vSphere APIs For I/O Filtering.



Introduction to vSphere APIs for I/O Filtering

This section provides an introduction on how the VAIO “I/O Filters” enable VMware, and partners, to intercept and manipulate the I/O which can provide open-ended data services.

VAIO Technical Overview

This section explains how I/O Filter is responsible for acknowledging the I/O to the Guest Operating System.

Storage Policy Based Management

This section explains ways on how to apply an I/O Filter to a VMDK or a VM using a VM Storage Policy.

VAIO Implementations

In this section, we show an example of an I/O Filter, how it is installed, configured and applied to VMs or VMDKs.


This section summarizes how storage vendors can speed up VMware® I/O operations that are more efficiently accomplished in storage hardware.


This section acknowledges the contributors who have helped the author.

About the Author

This section covers the details about the author of this guide.