LTO Tapes vs. DLT Tapes

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In a time when data has become the real global currency, there is nothing significantly important for your organization's future than protecting trustworthy storage. There are several ways to take a back up of your files and create a protected library.

DLT Tapes:

DLT (Digital Linear Tape) is a magnetic tape format developed by an inherited firm of Hewlett-Packard named DEC. DLT tapes are 1/2 inch wide and generally are packaged in burly plastic containers. DLT tapes can stock up between 10GB to 40GB of uncompressed data, a popular average data storage solution.

LTO Tapes:

LTO (Linear Tape-Open) is a tape standard produced by HP, IBM, and Seagate as a competitor to DLT. LTO tape stores data in 384 data tracks which are divided into four data bands of 96 tracks each. The four data bands are encircled by bands of servo information which are written during tape manufactures. Data bands are filled one-at-a-time, in a linear approach. LTO tapes include 4KB of non-volatile memory which can be read through a non-contacting passive RF interface. This storage space holds data about the tape and can be read without the time needed to read the magnetic tape itself.

There is a critical hardware difference between both, the DLT tapes have an unusual storage system as compared to LTO tapes, and simultaneously it works in a different way in contrast to LTO tape drives. In LTO tape recording, data is written on various adjacent tracks that run along with to the edge of the tape. By using Digital Linear Tape (DLT) technology, it may be possible to compel this technology to record 208 tracks across a one-half-inch tape, allowing each tape to store up to 35GB. However, to accomplish the next generation tape capacities of 100GB and even greater, significantly more tracks must be written on the media.

SDLT is the next generation product offered by Quantum. The initial version of SDLT is a bit alike to LTO Ultrium with a local aptitude of 110GB per cartridge and a native data transfer rate of 11MB/sec for SDLT; LTO Ultrium has a local aptitude of 100GB and a local transfer rate of 15MB/sec.

As customers require more and more storage capacities, it's preferred to have a proven and trustworthy tape storage system that protects data integrity, supports future capacity growth, and permits later generation drives to interpret earlier generation tapes. Having multiple world-class manufacturing firms of tape drives and storage media all committed to the LTO format will create competition in the tape industry that will finally benefit users.
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