What is LTO Tape Technology?

What is LTO Tape Technology?

Low cost. Ransomware-resistant. Built to scale. Future-ready. 

Source: lto.org

Linear Tape Open (LTO), also known as the LTO Ultrium format is a powerful, scalable, adaptable open tape format that is optimized for high capacity, maximum storage density and performance. Since the first LTO products were brought to market, over 5.6 million drives, 371,232,918 cartridges and 517,958 Billion GB of media capacity have been shipped, making LTO Ultrium the most successful tape format in history.

Why Choose LTO Ultrium Technology?


Lower Cost Over Time 

Tape storage is one of the most cost-effective ways to store large volumes of data, especially over long periods. Lower energy use and longer lifespan mean real savings.

High capacity, high density for long-term data storage

With data growing exponentially, tape offers a robust and scalable solution for archiving massive volumes of infrequently accessed but essential data. There’s no practical limit to the amount of data you can store on tape at off-site locations and, when it’s needed for further analysis, you can move the data back onto faster storage systems. When included in a tiered storage architecture, active archiving software makes intelligent choices in real time about when to move data and where it should be stored.

Futureproof technology for tomorrow’s needs

Each generation of LTO tape introduces substantial improvements in speed, capacity, and accessibility to meet business needs and growing data volumes.

LTO tapes have almost infinite scalability, enabling organizations to migrate to newer technologies to keep pace with growing data needs. 

High performance

The latest LTO-10 Ultrium drives can write or read data at a blistering 3.6 TB/hour, storing, encrypting, and protecting up to 75 TB (at 2.5:1 compression) on a single cartridge. LTO-10 is ideal for large-scale, 24×7, mission-critical IT environments. The LTO roadmap plans to increase capacity up to 576 TB by Generation 14. This kind of performance makes LTO tape viable for a variety of storage needs, such as:

  • Nearline storage. With high data transfer speeds, low-cost and high capacity, LTO tape is perfect for managing nearline data and bringing it online very rapidly when required.
  • High-capacity transfer. A shipment of an LTO tape will often transfer data faster than from the cloud, and also provide a backup to the original.
  • Capture and offload. LTO tape is the perfect solution for large-scale offload and retention in areas such as video production and oil/exploration data aggregation.

Fast, easy access with LTFS

First introduced with LTO-5 technology in 2010 and adopted later by SNIA in 2013, the Linear Tape File System (LTFS) is an open software specification that brings drag and drop simplicity to tape backup and archiving. LTFS is independent of any hardware or software platforms, which means that recovery from disaster is as fast and straightforward as searching data volumes stored on disk or in the cloud.

Reliable Long-Term Storage

Tape is an extremely durable storage solution that can safely protect your data for up to 30 years. LTO technology also features a powerful error correction algorithm, with an error rate of 1 in 10^19. This means, in real terms, that it would take a whole year for 130 tape drives writing data continually to encounter an error that could not be fixed by LTO error correction technology.

Protection from loss, damage and cyberattack

LTO technology offers a vital last line of defence against cyberattack. Tapes can be taken offline and offsite, creating an air gap that ransomware and other malicious viruses cannot cross. What’s more, if you ever suffer a major IT breach, recovering your data from LTO technology will be much faster than streaming data back from the public cloud.

LTO technology offers hardware-based, AES-256 data encryption on LTO-4 and newer drives to protect data from theft or damage while in transit. A powerful drive-level algorithm encrypts the data without impacting compression, performance, and capacity during backup.

The drives can carry out encryption at rated speeds and can compress the data before encrypting it, helping to maximize storage capacities. Tape drive encryption can also help reduce the size of storage infrastructure by eliminating the need to invest and manage an encryption appliance.

Industry regulations, along with internal and industry policies, impose strict disciplines about how data should be stored, and for how long. Failure to comply attracts stiff legal penalties. To help organizations meet stringent compliance regulations, LTO technology includes a write-once, read-many (WORM) option (LTO-3 tapes and newer) that stores data in a non-rewritable format.

The technical specifications for LTO WORM media are identical to the standard RW cartridge. All the benefits of the LTO specification apply – performance, reliability, choice, scalability, and investment protection. The difference is in the multiple anti-tampering safeguards and security checks the drive makes between the cartridge memory and the media. WORM identity is encoded in the LTO-CM – and contains different information to the RW tape. The WORM servocode is also different. When a WORM data cartridge is inserted into LTO drive, the drive will recognize it as a WORM data cartridge and will not allow any user data on the tape to be overwritten. Data is guaranteed secure and tamperproof for up to 30 years.

Portable

LTO tape makes it easy to securely transport data from one data center to another. Traditional HDD is far less durable for routine transportation, and solid-state drives (SSDs) are expensive. You could transfer the information from the cloud, but this can clog bandwidth, expose your files to security risks and take a very long time. You can think of LTO technology as low-cost high bandwidth in a box ¬– easily handled, completely removable and transportable. Transferring an entire data center to an alternative site could be as simple as packing up and shipping a box of LTO cartridges.

The green choice

Many organizations with a green agenda are looking for technologies to reduce the costs and environmental impact of their data centers. For archival storage, LTO tape offers huge potential to cut energy consumption. Tape drives use little power when not reading or writing tape cartridges – and tape cartridges in an automated library use no power at all. Simply converting 33% of disk storage to tape could save about 200 million megawatt hours per year because HDD systems use 70 times more energy than tape.

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