Dds Is Reliable Storage Format With Exceptional Features
Data storage has a long history when first magnetic tape was developed back in 1951
with open reel format, since then world most prominent data storage devices makers start researching for a better and reliable solution for valuable data storage. Magnetic tape data storage employs digital recording on the tape to store digital data and valuable information. Advanced magnetic tape is basically & typically packaged in cartridges or cassettes. The device which able to read and write data from these magnetic tape is tape drive, tape libraries, autoloaders and these are mostly automated. Tape format is low cost compare to other data storage methods and has always been used with large data storage computer facilities, modern days usage is mainly as a high data storage capacity standard for data backups and archives files or information.
DDS, or digital data storage format uses to store important computer data on a digital audio tape or DAT format. Most commonly DDS uses tape with a 3.8mm width with advance formats, DAT160 and DAT320 which has 8mm wide tape. Originally the tape was 60M or 197 feet or 90M or 295 feet long. Although improved modern materials technology have permitted the length to be increased considerably in consecutive editions of DDS tape, formats. Digital data storage tape drive uses Helical Scanning technology for recording, the same procedure utilize by a VCR or video casted recorder format. The write head is able to rewrite data if any problem or functional error is accrued during data storage operation.
First DDS tape was developed in 1989, with data capacity of 1.3 GB (native) and 2.6GB (compressed) on a 60 M cartridge and with 90M cartridge 2GB native and 4GB with compressed data with data transfer speed of 0.18 MB/Sec.
Next edition of DDS-2, developed in 1993, with improved storing capacity with 4GB native and 8GB with compressed data and with tape length 120M format with 0.6MB/Sec data transfer speed.
DDS-3, was in markets in 1996, with more improved data storage capacity with 12GB native and 24GB with compressed data and increased data transfer speed with 1.1MB/Sec and also included with enhanced PRML function which enable these tapes to decrease electronic sound for a cleaner data recording.
In 1999, the next DDS-4, was introduced with 20GB native and 40GB with compressed data on a 150M long tape cartridge, with 3.2Mb/Sec data transfer speed is also known as DAT40.
With appearance of DAT72, technology in 2003 with stores up to 36GB native and 72GB compressed data on a 170M cartridge format. DAT72 standard was introduced by Hewlett Packard and Certance. which has give a huge boost to the 4mm DDS format with an reasonable tape drive solution which offers a suitable backward well-matched promote course to elevated capability of data backup for the huge support of DDS consumers.
In 2007, DAT technology get boost and improved its new version DAT160, with 80GB native storage capacity and 160 with compressed form with 6.9MB/Sec data transfer speed. With first time 8mm wide tape. Despite the difference in tape width DAT 160 drivers are backwards well-matched with DAT72, and DAT40 data storage tapes.
Hewlett Packard launched DAT320, in 2009, with most advanced data storage capacity with 160GB native and 320 GB with compressed data with 12MB/Sec data transfer speed capability.
The medium has development over five generations from the roots of the constant data storage capacity development for DDS format cartridge. The development of DDS medium is closely connected to the permanent development in metal particle coating technology. This metal particle technology has enhanced compactness and dominates the data storage market. DLT, SDLT, LTO and other popular media formats in addition to 4mm DDS format cartridge rely on this splendid MP technology for dependable, high compactness data storage process. All DDS tape brands are available at itdevicesonline.com with best original quality and reasonable prices.
by: Lars Son
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