| Storage and performance demands of today’s | | | | Then the drive accelerates it after adjusting it to |
| business enterprises have significantly increased over | | | | appropriate tape speed and afterwards continue to |
| the years. VXA tape storage format provides | | | | transfer the information as it was being done before. |
| outstanding advanced features, increased recording | | | | This really lowers the performance level and this |
| capacity and unmatched data retrieval capability. The | | | | phenomenon is called backhitching. Backhitching |
| conventional tape technology can not match the data | | | | increases the restore and backup times and has a |
| retrieval capability of VXA backup tape. VXA tape | | | | significant effect on the data reliability. Backhitching |
| provides greater reliability, fast recording ability and | | | | causes media’s wear as the drive makes |
| unparalleled media robustness at a lower cost. VXA | | | | changes to the tape direction. Worn tape accelerates |
| tape technology offers the best cost per GB and | | | | the head’ wear thus increasing contamination and |
| long term durability. VXA tape has established new | | | | debris. Therefore these contaminations will decrease |
| standards for reliability, value and output | | | | the useful life of tape and drive. Backhitching affects |
| characteristics. | | | | the capability of backup tape drive to restore and |
| The traditional tape formats utilize the streaming | | | | record information. |
| mechanism for transferring data. The streaming tape | | | | A highly innovative solution has been introduced in |
| formats read the data track in a single pass. | | | | VXA tape format that has been specifically |
| Thousands of bytes are contained in the data tracks. | | | | engineered to solve the issue of backhitching. This |
| In traditional tape formats, the tape head reads the | | | | new advantageous feature of high quality VXA |
| data tracks at a constant speed. Therefore | | | | media technology is called variable speed operation. |
| track-following is required by these tape formats for | | | | This feature of VXA tape drive monitors the |
| maintaining proper alignment of head to tape track. | | | | transfer speed of the host and then controls the |
| Therefore the tape media and drive both have to be | | | | tape drive’s speed accordingly so that the |
| tightly controlled so that the data tracks and tape | | | | transfer of data can be done in an efficient manner. |
| head alignment is adjusted for efficient data | | | | So the error rate also reduced due to the VXA tape |
| recording. In this way the performance and | | | | format’s variable speed mechanism. VXA is an |
| recording’s efficiency can be affected. | | | | advantageous tape medium that secures the |
| The streaming drives perform their tasks efficiently | | | | investments and contributes to enhanced efficiency |
| at constant transfer rate and tape speed. On the | | | | of data storage system. Unique design of VXA allows |
| other hand the host system seldom receives or | | | | the tape media to store voluminous data at an |
| sends the information at a fixed rate, and the major | | | | affordable price for longer time periods. Cost |
| reason is that the information is transferred in bursts. | | | | effective storage medium of VXA enables the |
| Therefore this leads to fluctuation in transfer rates. | | | | customers to backup their data for long term |
| So when ever the there is interruption in data flow, | | | | archival. |
| the drive stops the tape reel and then backs it up. | | | | |