Amp Linearization

The Super DLT tape is the new extended version of the DLT (Digital Linear Tape). The SDLT tape has multi track and linear data recording mechanism. The first generation of the SDLT tape drive provided native capacity of 160GB and compressed 320GB capacity. The capacity of the 2nd generation of Super DLT tape was raised to 300GB (native) & 600GB (compressed rate). The SDLT-II tape drives are backward read compatible (dependent on drive) with the data tapes recorded on DLT-8000, DLT-7000, DLT-4000, and SDLT tape drives of first generation and VS series. It provides a natural path for migration to the users of the older DLT tape versions who want to upgrade.

The SDLT tape has powerful and advanced features to facilitate its users. Several advancements have been made and new features added in the Super DLT tape format in comparison to its predecessor Digital Linear Tape format. SDLT tape format has enhanced tape formulations, channel recording technologies and head design. New technology “Laser Guided Magnetic Recording LGMR” is incorporated in the SDLT tape format. By the LGMR technology, both the technologies of magnetic and optical are combined. So, as a result high storage capacity is enabled on half inch data tape cartridge.

The data in SDLT tape cartridge records magnetically on tape’s recording side. The tape’s backside is the non recording side on which servo optical tracks are embedded that help in tracking. The DLT tape has the tape formulation of “Metal Particle MP”, while the SDLT-1 tape format has the “Advanced Metal Particle AMP” media. SDLT 1 tape format can store high density data because of its new technology of metal particle. eMP60 formulation is utilized by the SDLT-II media therefore, it additional features than the AMP media which further enhances the performance. eMP60 technology’s advancements include magnetic strength that over time limits the “magnet loss” and hence enables high recording density,

The SDLT cartridge offers itself advancements to DLT data tape cartridge. The Super DLT tape cartridge has structural changes like the “structural ribbing” and “internal circular wall”. Both of these structural changes protect the SDLT cartridge from potential damage if jarred or accidentally drops. When we compare the DLT and the SDLT tape format, the Super DLT backup tape format has enhanced features including the high efficiency channel of Partial Response Maximum Likelihood (PRML), Pivoting Optical Servo (POS) and the Magneto Resistive Cluster (MRC) heads. The MRC heads are densely packed therefore, they form a cluster. The benefits of this arrangement of MRC heads are increased track densities, enhanced transfer speed, more resistance to humidity and temperature.

Partial Response Maximum Likelihood is hard drive storage mechanism. During the read back the PRML differentiates from noise the valid signal. PRML does not look at the signal peak; instead it looks at the entire waveforms. On the hard drive, sophisticated sampling of the digital signal is employed by the PRML. PRML then processes and detects the digital signal for manipulation of the analog “data stream” that comes from the disc, this is the partial response (PR) component. PRML then determines the most suitable bits sequence and afterwards reconstructs accordingly, this is the maximum likelihood component.

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Article Source: ArticlesBase.com – Features and Benefits of Sdlt Super Dlt Tape Media Format

Quantum uses the LGMR (Laser Guided Magnetic Recording), as reliable and responsible process DLT tape format. DLT is an advanced storage platform backup of the media that supports its many versions. Four main technologies used in innovative Quantum DLT SDLT (super) format tape backup security. These technologies are reliable POS (pivoting optical servo), MRC (Magneto Resistive) Cluster heads, PRML channel and AMP (Advanced Metal Powder) media. SDLT tape format is the integration of innovative technologies that provide robust, reliable and durable low cost backup solutions.

Mechanism Metal powder is used in advanced media metal powder is useful in very high-density data recording. In the media AMP, optical guidance targets are found in the media back has been used previously. AMP also tape media consists of optical servo tracks. At the top of the SDLT tape is the optical guide tracks while in the bottom of the data tape of the magnetic data tracks. MRC covers cost-effective, densely populated small group of heads of the magneto-resistive tape. Processing mechanism is used in thin film heads the MRC. Multiple heads increase the performance, production and transfer rate Quantum Super DLT technology. Quantum SDLT tape technology is less susceptible to environmental factors that as a result increases the tape format of track density and the ability to store more data. POS (pivoting optical servo) is invented by Quantum and is used in the SDLT technology. POS allows high duty cycles. The data on magnetic media and the next one hundred percent of the frontal tape media is used.

Quantum SDLT is less sensitive to external influences and therefore the number of tracks is greater, along with supreme performance. Quantum Super DLT uses advanced form of efficient PRML channel offering new high-efficiency (97 percent) of code. SDLT linear density is increased by the PRML channel. Superior and exceptional transfer rate and recording capability of SDLT allows you to manage large volumes of data generated by business intelligence systems. The reason for taking quick speed SDLT storage technology backup is to match the explosion of information across the business landscape. More storage and backup solution fast is the main requirement to handle huge volumes of data generated.

Area more tape is needed to increase the recording capacity and speed to transfer data. Additional data are needed to track recording density increase. On the track recording density and the use of more surface tape for recording data are very essential. Quantum SDLT has all these latest technologies to provide high performance. As described earlier that LGMR is the basis of SDLT tape's format. This technology is the combination of technologies of magnetic and optical. The amount of surface data tracks recording tape SDLT tape media increases due to new technologies LGMR. Requirement of data tape eliminated preformatted in Quantum Super DLT due to a Servo Pivoting optical. PRML channel and MRC (Magneto Resistive Cluster) heads offer more capacity to store more data and high speed for fast data transfer. High density SDLT tape technology is achieved by advanced media metal powder. Quantum SDLT tape technology has buckling leader method tape. Therefore, the duty cycle is high in Quantum SDLT automated work environments.

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About the Author:

Quantum SDLT tape technology is the smartest choice that offers cost-efficient backup tape storage solutions. Quantum Super DLT tape technology is very robust that offers increased transfer speed and unparalleled performance.Jessica McIntosh (Marketing Manager)
http://www.tape4backup.com
34972 Newark Blvd, # 501, Newark CA 94560
Tel : 888-491-4949
Fax : 888-449-5050
Email: jessica@tape4backup.com

Article Source: ArticlesBase.com – High Duty Cycle of Quantum Sdlt Tape Technology