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VMware vSphere APIs – Array Integration (VAAI)

An overview of how VAAI provides hardware assistance to storage vendors on how they can speed up VMware® I/O operations that are more efficiently accomplished in the storage hardware.

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Introduction to VAAI

This section provides an introduction to VAAI and how it provides hardware assistance to storage vendors.

VAAI Block Primitives

This section describes the different types of VAAI Block Primitives, their functionalities and capabilities.

VAAI NAS Primitives

This section explains the functions and capabilities of various types of VAAI NAS Primitives.

VAAI Thin Provisioning Primitives

This section provides an introduction to the different types of VAAI Thin Provisioning Primitives and explains why the new primitives have been added.

VAAI Tuning and Monitoring

This section offers a few options available for fine-tuning and monitoring the VAAI primitives, which will help admins determine whether VAAI is working correctly in their respective environments.

Checking VAAI Support

This section describes the process that is followed to check the VAAI Status.

Enabling and Disabling VAAI Primitive

This section focuses on enabling and disabling the different types of VAAI Primitives.

Reverting to the Software Data Mover

This section provides information on the Software Data Mover, how it works and how useful it is in migrating information of virtual machines, and their associated disks, between datastores.

Differences in VAAI between vSphere versions

This section points out the differences between the two phases- The first phase/release of VAAI in vSphere 4.1 and the second phase/ release of VAAI in vSphere 5.0.

Acknowledgements

This section acknowledges the contributors who have helped the author.

About the Author

This section introduces the author of the guide.