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NetApp’s New OnTap 9 Features – introducing RAID-TEC

September 13, 2016

With the release of OnTap 9, NetApp have introduced RAID-TEC, or triple erasure coding. With RAID-TEC, up to three spinning disks or SSDs can be lost without impacting capacity or crucially without affecting performance, Fore said. “With the latest large-capacity drives 15TB SSD drives, the rebuild times can be really long,” so a third drive protection gives better stability during the rebuild duration. Historically when a drive failed and was being rebuilt from data and Parity there was always an overhead on performance during the rebuild process. With RAID-TEC the performance is not affected during rebuild.


Pete Green
NetApp Technical Instructor


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