Fast Recording Capability Of High Quality Vxa Tape

Storage and performance demands of todays business enterprises have significantly increased over the years

. VXA tape storage format provides outstanding advanced features, increased recording capacity and unmatched data retrieval capability. The conventional tape technology can not match the data retrieval capability of VXA backup tape. VXA tape provides greater reliability, fast recording ability and unparalleled media robustness at a lower cost. VXA tape technology offers the best cost per GB and long term durability. VXA tape has established new standards for reliability, value and output characteristics.

The traditional tape formats utilize the streaming mechanism for transferring data. The streaming tape formats read the data track in a single pass. Thousands of bytes are contained in the data tracks. In traditional tape formats, the tape head reads the data tracks at a constant speed. Therefore track-following is required by these tape formats for maintaining proper alignment of head to tape track. Therefore the tape media and drive both have to be tightly controlled so that the data tracks and tape head alignment is adjusted for efficient data recording. In this way the performance and recordings efficiency can be affected.

The streaming drives perform their tasks efficiently at constant transfer rate and tape speed. On the other hand the host system seldom receives or sends the information at a fixed rate, and the major reason is that the information is transferred in bursts. Therefore this leads to fluctuation in transfer rates. So when ever the there is interruption in data flow, the drive stops the tape reel and then backs it up. Then the drive accelerates it after adjusting it to appropriate tape speed and afterwards continue to transfer the information as it was being done before. This really lowers the performance level and this phenomenon is called backhitching. Backhitching increases the restore and backup times and has a significant effect on the data reliability. Backhitching causes medias wear as the drive makes changes to the tape direction. Worn tape accelerates the head wear thus increasing contamination and debris. Therefore these contaminations will decrease the useful life of tape and drive. Backhitching affects the capability of backup tape drive to restore and record information.

A highly innovative solution has been introduced in VXA tape format that has been specifically engineered to solve the issue of backhitching. This new advantageous feature of high quality VXA media technology is called variable speed operation. This feature of VXA tape drive monitors the transfer speed of the host and then controls the tape drives speed accordingly so that the transfer of data can be done in an efficient manner. So the error rate also reduced due to the VXA tape formats variable speed mechanism. VXA is an advantageous tape medium that secures the investments and contributes to enhanced efficiency of data storage system. Unique design of VXA allows the tape media to store voluminous data at an affordable price for longer time periods. Cost effective storage medium of VXA enables the customers to backup their data for long term archival.

by: Tape4backup

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