The dynamic storage size of science and technology has always been a direction that researchers want to break through. Now that we can buy 8TB of mechanical hard drives, we think it is very large. IBM’s black technology directly stores 330TB of capacity in one hand. Hold up the box. Its storage material is not a common hard disk but a tape.
IBM Research has once again set a new world record for tape storage, which is the fifth time since 2006 to break the record.
This new record has led to a dramatic increase in storage density. Each square inch of tape can store 201GB of data, which is 330TB of original capacity per tape. This record was developed by Sony Storage Media Solutions. The prototype of the sputtering tape was implemented.
On August 2, 2017, IBM scientists demonstrated this achievement at the 28th Magnetic Recording Conference (TMRC2017).
Tape storage is currently the safest, most energy-efficient, and most cost-effective storage method for large-capacity backups, archival data storage, and new application storage such as big data and cloud computing.
Figure note: IBM's tape density record development history
The equivalent of 330 million books, a tape can be stored
The new storage density is more than 20 times the storage density of today's top commercial tape products like the IBM TS1155 Enterprise Tape Drive. At this density, 330TB of uncompressed data* can be stored in a cartridge that can be held by hand.
330TB of data is equivalent to the content of 330 million books. If it is placed on a bookshelf, its length will exceed the distance from the northeast corner of the Japanese territory to the southwest corner.
At present, the development of tape data storage has entered a revival period. IBM scientists have created new tape storage records, which shows people that tapes can continue to develop in the next decade, and the prospects are very impressive.
IBM partner Evangelos Eleftheriou said, “In the past, tape was used to store audiovisual data, backup files, as a backup for disaster recovery, and store information for on-premise deployments. Today, the tape industry has expanded the use of tapes to external applications in the cloud. Sputtered tapes may be manufactured at a slightly higher cost than current BaFe commercial tapes, but sputtered tapes can have ultra-high capacity, which in turn reduces the actual cost per TB. Applying cold storage to the cloud becomes a viable solution."
Multiple innovative technologies contribute to 201GB of storage density per square inch
In order to achieve a density of 201 GB per square inch, IBM Research has developed a number of new technologies, including:
Unique innovative data channel signal processing algorithm. The algorithm is based on the principle of noise prediction detection. It has a 48 nm ultra-narrow tunneling magnetoresistive (TMR) reader and supports tape memory to run stably at a linear density of 818,000 bits.
A series of combined advanced servo control technology. This technology, combined with tape storage technology, can achieve head positioning accuracy of more than 7 nanometers. The matched 48nm ultra-narrow (TMR) hard disk drive read head supports ultra-high track density of 246,200 tracks per inch, which is 13 times the density of the current top drive TS1155.
New low-friction magnetic head technology. This technology makes it possible to use ultra-smooth tape media. IBM has worked closely with Sony Storage Media Solutions for many years and has been working to increase tape storage density. IBM and Sony have joined forces to achieve a number of media technology advancements, such as the long roll-to-roll fabrication technology for sputter tapes, and more efficient lubrication technology, enabling more stable tape capabilities.
In general, the principle of the sputtering process is to use high-energy particles (such as non-reactive argon ions) to bombard the target material, and then to peel the atoms from the target source and then accumulate on the substrate. The process is done in a vacuum chamber; atoms ejected from the target source need to be adsorbed on substrates such as substrates to ensure that the thermodynamic equilibrium is reached again.
As far as IBM's latest tape products are concerned, the sputtering process used is the formation of IBM's so-called nanoparticle magnetic layer on a magnetic tape substrate by means of sputter deposition.
IBM scientist, Dr. Mark Lantz,
He holds a square inch prototype tape in his hand.
Tape storage technology has a solid future
IBM will then apply a number of technologies developed and used for storage density to future tape products. It is worth noting that as early as 2007, IBM had successfully applied the noise prediction maximum possible read channel and the first-generation BaFe tape media technology to commercial products.
Academician Evangelos Eleftheriou of IBM once said when recording a program: “Although the cost of sputtered magnetic tape is slightly higher than that of commercial tape products currently manufactured using BaFe, its potential in terms of capacity is very large. As a result, the storage cost per TB is reduced, making it ideal for use in cold storage in the cloud."
IBM focused on decades of innovation in tape data storage technology. Back more than 60 years ago, IBM released the first commercial tape product, the 726 Magnetic Tape Unit. This product uses half-inch tape volumes, each with 2MB of storage capacity. In contrast, the storage density samples released today have 165,000,000 times the storage capacity. This technological breakthrough announced by IBM once again proved the relentless pursuit of tape storage technology and reaffirmed its leading position in tape technology.
IBM believes that the emergence of new technologies indicates that the tape technology roadmap will surely develop steadily over the next 10 years. At the same time, IBM is also confident that in the next 8 to 9 years, the LTOUltrium capacity roadmap will be broken to LTO-12 and 190+TB.
However, the development of tape technology still has a long way to go, and we still need to work hard.
* Assume that the format cost is the same as the TS1155 format, taking into account the 6.4% tape length increase supported by the thinner version. A TS1155JD tape with a form factor of 4.29in.x4.92in.x0.96in. (109.0mmx125mmx24.5mm) can store 15TB of uncompressed data.
Original title 330TB! IBM Recreates New Record of Tape Storage
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