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<h1>Innovative Approach Used In VXA Backup Tape Format</h1><br />by Tape4backup<br /><p>Tape drives based on the helical scan and linear technologies use "streaming" technique for transferring data. In these tape drives the read head reads the data in a single pass from the data tracks. The tape speed is fixed during the read process. For achieving peak efficiency in these tape drives, it is necessary that the buffer of the tape drive should be kept full by the host system. VXA backup tape format has incorporated a new innovative technique of "variable tape speed".</p>
<p>If the SCSI bus is busy or the host system is slow, then the streaming may be ceased in the helical scan &amp; linear tape drives. In such situation the tape drive is forced to reverse and then it again resumes the data writing operation. This unfavorable and time delaying process is called back-hitching. Back hitching not only affects the overall performance and efficiency of the tape drive, but additional stress is also placed on the tape media. Highly durable VXA data tapes with lifetime warranty are available. Contact Tape4backup dot com for more details.</p>
<p>VXA tape technology has the best solution to solve the back hitching problem. VXA backup tape format has incorporated a new innovative technique of "variable tape speed". This technique matches the tape speed with that of the host system. Therefore with the help of variable speed operation, the performance of VXA tape drive is optimized and the unnecessary stress on the tape media is also minimized. Entirely new, different and innovative approach has been used in the VXA backup tape format, which has proved to be the most reliable and efficient recording technique.</p>
<p>The other tape formats use streaming data that comprise of long blocks. In VXA tape technology, the data comprising of long strings is broken into smaller units of data called data packets. Afterwards a wrapper is added to these data units for their verification. This is called DPF (discrete packet format). The data packets are comprised of data string. The discrete packet format allows the data packets to move into the data buffer at different times where the data packets are re-assembled to retrieve the data into its original form. Contact Tape4backup dot com and order now the durable VXA tape cartridges with special discounts.</p>
<p>Data packet contains CRC (Cyclical Redundancy Check) code, unique address, synchronization marker, ECC (Error Correction Code) and user data of 64 bytes.  387 data packets are contained in each track. These packets are read and recorded through a buffer array. Two sets of overlapped data tracks are recorded by 2 head pairs that are located on the drum. Each pair's first tape head writes the data while the other tape head verifies the data integrity by reading the data after it has been written (read after write). VXA tape format has 4-level correction system for checking and removing errors. It has two phases. Reed Solomon ECC is added to each data packet that enables it to correct and remove the small typical errors that can be generated as a result of phase shifts or noise. Then all these packets are moved into the buffer segment where an array is form that comprises of 3D Reed Solomon ECC.</p>
<p>Avail the lowest price offers by Tape4backup dot com on Exabyte VXA tape, Travan tape, LTO cleaning cartridge, SDLT tape, IBM VXA tape, QIC tape, DDS-4 tape and Enterprise tapes.</p>
<br /><h2>About the Author</h2><p><a href="http://www.tape4backup.com/vxa-tapes.php">VXA tape</a> format offers cost-efficient and reliable backup solutions. <a href="http://www.tape4backup.com/vxa-tapes.php">VXA backup tape</a> technology is very robust that has increased capacity and provides unmatched performance.<br />Jessica McIntosh (Marketing Manager)<br />34972 Newark Blvd, # 501, Newark CA 94560 <br />Tel: 888-491-4949 <br />Fax: 888-449-5050 <br />Email: <a href="mailto:jessica@tape4backup.com">jessica@tape4backup.com</a> </p>
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<body><h1>Innovative Approach Used In VXA Backup Tape Format</h1><br />by Tape4backup<br /><p>Tape drives based on the helical scan and linear technologies use "streaming" technique for transferring data. In these tape drives the read head reads the data in a single pass from the data tracks. The tape speed is fixed during the read process. For achieving peak efficiency in these tape drives, it is necessary that the buffer of the tape drive should be kept full by the host system. VXA backup tape format has incorporated a new innovative technique of "variable tape speed".</p>
<p>If the SCSI bus is busy or the host system is slow, then the streaming may be ceased in the helical scan &amp; linear tape drives. In such situation the tape drive is forced to reverse and then it again resumes the data writing operation. This unfavorable and time delaying process is called back-hitching. Back hitching not only affects the overall performance and efficiency of the tape drive, but additional stress is also placed on the tape media. Highly durable VXA data tapes with lifetime warranty are available. Contact Tape4backup dot com for more details.</p>
<p>VXA tape technology has the best solution to solve the back hitching problem. VXA backup tape format has incorporated a new innovative technique of "variable tape speed". This technique matches the tape speed with that of the host system. Therefore with the help of variable speed operation, the performance of VXA tape drive is optimized and the unnecessary stress on the tape media is also minimized. Entirely new, different and innovative approach has been used in the VXA backup tape format, which has proved to be the most reliable and efficient recording technique.</p>
<p>The other tape formats use streaming data that comprise of long blocks. In VXA tape technology, the data comprising of long strings is broken into smaller units of data called data packets. Afterwards a wrapper is added to these data units for their verification. This is called DPF (discrete packet format). The data packets are comprised of data string. The discrete packet format allows the data packets to move into the data buffer at different times where the data packets are re-assembled to retrieve the data into its original form. Contact Tape4backup dot com and order now the durable VXA tape cartridges with special discounts.</p>
<p>Data packet contains CRC (Cyclical Redundancy Check) code, unique address, synchronization marker, ECC (Error Correction Code) and user data of 64 bytes.  387 data packets are contained in each track. These packets are read and recorded through a buffer array. Two sets of overlapped data tracks are recorded by 2 head pairs that are located on the drum. Each pair's first tape head writes the data while the other tape head verifies the data integrity by reading the data after it has been written (read after write). VXA tape format has 4-level correction system for checking and removing errors. It has two phases. Reed Solomon ECC is added to each data packet that enables it to correct and remove the small typical errors that can be generated as a result of phase shifts or noise. Then all these packets are moved into the buffer segment where an array is form that comprises of 3D Reed Solomon ECC.</p>
<p>Avail the lowest price offers by Tape4backup dot com on Exabyte VXA tape, Travan tape, LTO cleaning cartridge, SDLT tape, IBM VXA tape, QIC tape, DDS-4 tape and Enterprise tapes.</p>
<br /><h2>About the Author</h2><p><a href="http://www.tape4backup.com/vxa-tapes.php">VXA tape</a> format offers cost-efficient and reliable backup solutions. <a href="http://www.tape4backup.com/vxa-tapes.php">VXA backup tape</a> technology is very robust that has increased capacity and provides unmatched performance.<br />Jessica McIntosh (Marketing Manager)<br />34972 Newark Blvd, # 501, Newark CA 94560 <br />Tel: 888-491-4949 <br />Fax: 888-449-5050 <br />Email: <a href="mailto:jessica@tape4backup.com">jessica@tape4backup.com</a> </p>
<br /><h3><a href="http://www.content4reprint.com/computers/hardware/innovative-approach-used-in-vxa-backup-tape-format.htm" title="Innovative Approach Used In VXA Backup Tape Format">Article Source:</a> <a href="http://www.content4reprint.com" title="Free high quality articles">Content for Reprint</a></h3></body></html>