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At just pennies per gigabyte, breakthrough could lead to new applications for tape

LAS VEGAS, NV – 09 Apr 2015 — /BackupReview.info/ — IBM (NYSE: IBM) scientists have demonstrated an areal recording density of 123 billion bits of uncompressed data per square inch on low cost, particulate magnetic tape, a breakthrough which represents the equivalent of a 220 terabyte tape cartridge that could fit in the palm of your hand.

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Video: IBM Research Sets New Record for Tape Storage

To put this into perspective, 220 terabytes of data is comparable to 1.37 trillion mobile text messages or the text of 220 million books, which would require a 2,200 km bookshelf spanning from Las Vegas to Houston, Texas.

This new record demonstrates that computer tape – a storage medium invented in 1952 with an initial capacity of about 2 megabytes per reel — continues to be an ideal technology not just for storing enormous amounts of back-up and archival data, but for new applications such as Big Data and cloud computing. The record setting demonstration is an 88 fold improvement over an LTO6 cartridge, the latest industry-standard magnetic tape product, and a 22 fold improvement over IBM’s current enterprise class tape product.

Today more than 500 exabytes of data reside in tape storage systems, according to IT analyst firm Coughlin Associates.

The record was achieved using a new, advanced prototype tape developed by FUJIFILM Corporation of Japan, in collaboration with IBM scientists. This is the fourth time in less than 10 years that IBM Research and FUJIFILM have collaborated to achieve such a feat.

ETH Zurich, a leading international university based in Switzerland, is using IBM tape technology for central data back-up and restore services.

“The average data transfer rate to tape has increased steeply over the years to approximately 60 terabytes daily and our tape library has reached more than 5.5 petabytes. Despite advances in overall storage technology, tape is still a promising media for large amounts of data for its transferability of data in Linear Tape File System applications and its low energy consumption,”said Dr. Tilo Steiger, Deputy Head of ITS System Services, ETH Zurich.”

“With this demonstration, we prove again that tape will continue to play an important role in the storage hierarchy for years to come,” added Evangelos Eleftheriou, IBM Fellow. “This milestone reaffirms IBM’s continued commitment and leadership in magnetic tape technology.”

While tape has traditionally been used on premise for video archives, back-up files, replicas for disaster recovery and retention of information, off-premise applications in the cloud are beginning to emerge due to its low cost, which averages just a few pennies per gigabyte.

IBM Research scientists in Zurich are exploring the integration of tape technology with current cloud object storage systems such as OpenStack Swift. This would enable object storage on tape and allow users to seamlessly migrate cold data to an extremely low-cost, highly durable cloud based storage tier perfectly suited for back-up or archival use cases. A research prototype of this technology is being demonstrated next week at the 2015 National Association Broadcasters Show in IBM booth N5223.

Additional technical details of the tape technology will be presented at the 2015 Intermag conference (May 11-15) in Beijing and at the IBM EDGE conference (May 11-15) in Las Vegas.

To achieve 123 billion bits per square inch, IBM researchers developed several new technologies, including:

  • A set of advanced servo control technologies that include a high bandwidth head actuator, a servo pattern and servo channel and a set of tape speed optimized H-infinity track follow controllers that together enable head positioning with an accuracy better than 6 nanometers. This enables a track density of 181,300 tracks per inch, a more than 39 fold increase over LTO6.
  • An enhanced write field head technology that enables the use of much finer barium ferrite (BaFe) particles.
  • Innovative signal-processing algorithms for the data channel, based on noise-predictive detection principles, enable reliable operation with an ultra narrow 90nm wide giant magnetoresistive (GMR) reader.

Since 2002, IBM has been working closely with FUJIFILM, particularly on the optimization of its dual-coat magnetic tape based on barium ferrite (BaFe) particles. The results of this collaboration have led to various technology improvements, among them a dramatic increase in the precision of controlling the position of the read-write heads which has resulted in an increase in the number of tracks that can be squeezed onto half-inch-wide tape.

In addition, the scientists have developed new, advanced detection methods to improve the accuracy of reading the tiny magnetic bits, achieving an increase in the linear recording density of more than 76 percent over LTO6, while enabling the use of a reader that is only 90nm in width.

Many of the technologies developed and used in the areal density demonstrations are later incorporated into IBM tape products. Two notable examples from 2007 include an advanced noise predictive maximum likelihood read channel and first generation BaFe tape media.

IBM has a long history of innovation in magnetic tape data storage. Its first commercial tape product, the 726 Magnetic Tape Unit, was announced more than 60 years ago. It used reels of half-inch-wide tape that each had a capacity of about 2 megabytes. The areal density demonstration announced today represents a potential increase in capacity of 110,000,000 times compared with IBM’s first tape drive product. This announcement reaffirms IBM’s continued commitment and leadership in magnetic tape technology.

More technical details on the announcement can be found at:
http://www.research.ibm.com/labs/zurich/sto/tape/arealdensity.html

For more on the history of IBM and magnetic tape storage visit:
http://www.ibm.com/ibm/history/ibm100/us/en/icons/tapestorage/

Join the conversation on Twitter: @IBMResearch and #taperecord

Photos and video can be found at:

  • https://flic.kr/s/aHsk8Z7h8f
  • http://youtu.be/bF07LZeCVhk

About IBM Research
Now entering its 70th year, IBM Research continues to define the future of technology with more than 3,000 researchers in 12 labs located across six continents. IBM Research breakthroughs helped the company achieve an industry record 7,534 patents in 2014, marking the 22nd consecutive year IBM topped the annual list of U.S. patent recipients. Scientists from IBM Research have produced six Nobel Laureates, 10 U.S. National Medals of Technology; five U.S. National Medals of Science, six Turing Awards, 19 inductees in the National Academy of Sciences and 20 inductees in the U.S. National Inventors Hall of Fame.

For more information, visit www.research.ibm.com

Contact(s) information
Chris Sciacca
IBM Media Relations, Research (Europe)
+41 44 724 8443
cia@zurich.ibm.com

Matthew Schmidt
Fuijifilm
1 (914) 789-8529
mschmidt@fujifilm.com

Chaiti Sen
IBM Media Relations
1 (212) 671-9525
csen@us.ibm.com

Source: IBM

 

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