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LTO Tape Roadmap Extends to 365TB per Cartridge with LTO-14
Key points
- LTO-14 cartridges are projected to store up to 365TB of native data.
- The LTO Program prioritizes reliability and cost per TB over capacity doubling.
- LTO-10 offers 40TB capacity using barium ferrite and a thinner Aramid base film.
- LTO capacity has increased 400-fold since its 2000 introduction.
LTO Roadmap Expansion
The Linear Tape-Open (LTO) Program, supported by HPE, IBM, and Quantum, has released an updated roadmap for its tape storage technology. This roadmap extends to LTO-14, which is projected to offer up to 365TB of native data storage per cartridge. This represents a significant increase from the current LTO-10 generation's 40TB capacity.
Strategic Shift in Development
The LTO consortium has adjusted its development strategy, deliberately slowing the pace of capacity increases. The new focus is on enhancing reliability, reducing cost per terabyte, and optimizing backup and recovery times. This marks a shift from the previous goal of simply doubling capacity with every new generation, indicating a mature approach to tape storage evolution.
Historical Capacity Growth
Since its inception in 2000 with LTO-1 offering 100GB, the format has seen substantial growth. Capacities have steadily increased through subsequent generations: LTO-2 (200GB), LTO-3 (400GB), LTO-4 (800GB), LTO-5 (1.5TB), LTO-6 (2.5TB), LTO-7 (6TB), LTO-8 (12TB), and LTO-9 (18TB). The original LTO-10 media was 30TB, later extended to 40TB.
LTO-10 Technology Advancements
The 40TB LTO-10 cartridge achieves its capacity through a combination of higher recording density and longer tape length. It utilizes 15,104 data tracks, a 68.5% increase from LTO-9's 8,960 tracks, enabled by a barium ferrite recording layer. A redesigned high-bandwidth servo system with a low-mass mechanism allows for accurate tracking of narrower data paths. The 40TB LTO-10 also incorporates a new Aramid base film, which is thinner and smoother, allowing more tape to be packed into the standard cartridge form factor.
✨ This summary was generated by AI from the outlets' reporting listed below. It is not independently verified and may contain errors — check the original sources. How BrevFeed works →
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Reporting from
The LTO Program, backed by HPE, IBM, and Quantum, has outlined a roadmap for Linear Tape-Open (LTO) technology, projecting LTO-14 cartridges to reach 365TB of native capacity. This evolution prioritizes reliability and cost per terabyte, moving away from solely doubling capacity with each generation, ensuring tape storage remains a viable option for long-term data retention.