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Chapter 4. Technology Previews
This chapter provides a list of all available Technology Preview features in Red Hat Gluster Storage 3.1 release.
Technology Preview features are currently not supported under Red Hat Gluster Storage subscription services, may not be functionally complete, and are generally not suitable for production environments. However, these features are included for customer convenience and to provide wider exposure to the feature.
Customers may find these features useful in a non-production environment. Customers are also free to provide feedback and functionality suggestions for a Technology Preview feature before it becomes fully supported. Errata will be provided for high-severity security issues.
During the development of a Technology Preview feature, additional components may become available to the public for testing. Red Hat intends to fully support Technology Preview features in the future releases.
Note
All Technology Preview features in Red Hat Enterprise Linux 6.5 release, will be considered as technology preview features in Red Hat Gluster Storage 3.1 release. For more information on technology preview features of Red Hat Enterprise Linux 6.5 release, see Technology Previews chapter of Red Hat Enterprise Linux 6.5 Technical Notes.
4.1. Tiering
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Tiering feature improves the performance, and the compliance aspects in a Red Hat Gluster Storage environment. This is achieved by optimizing the placement of the most accessed files on the Faster Storage Medium (fast tier / hot tier) and placing less accessed data to slower storage medium (slow tier / cold tier). It also serves as an enabling technology for other enhancements by combining cost-effective or archivally oriented storage for the majority of user data with high-performance storage to absorb the majority of I/O workload. .
For more information, see chapter Managing Tiering in the Red Hat Gluster Storage Administration Guide.
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