ISO/IEC 22050:2002 信息技术-12,7mm,384磁道的磁带数据交换-Ultrium-1格式

标准编号：ISO/IEC 22050:2002

中文名称：信息技术-12,7mm,384磁道的磁带数据交换-Ultrium-1格式

英文名称：Information technology — Data interchange on 12,7 mm, 384-track magnetic tape cartridges — Ultrium-1 format

发布日期：2002-10

标准范围

ISO/IEC 22050:2002规定了磁带盒的物理和磁性特性，使用12.65 mm宽的磁带，以便在驱动器之间提供这种盒的物理互换。它还规定了记录信号的质量、记录方法和记录格式，从而允许通过这种盒式磁带在驱动器之间进行数据交换。线性记录格式称为Ultrium-1，有384个轨道。它使用基于定时的伺服系统来改善跟踪。该格式支持可变长度逻辑记录、高速搜索和使用注册算法进行数据压缩。ISO/IEC 22050:2002根据盒中包含的磁带长度指定了四种类型的盒式磁带。这四种类型被称为A型、B型、C型和D型；它们的标称未压缩容量分别为100 GB、50 GB、30 GB和10 GB。连同卷和文件结构的标准，本文档提供了数据处理系统之间的完全数据交换。

ISO/IEC 22050:2002 specifies the physical and magnetic characteristics of magnetic tape cartridges, using magnetic tape 12,65 mm wide so as to provide physical interchange of such cartridges between drives. It also specifies the quality of the recorded signals, the recording method and the recorded format, thereby allowing data interchange between drives by means of such cartridges.

The linearly recorded format, called Ultrium-1, has 384 tracks. It uses a timing based servo for improved track following. The format supports variable length Logical Records, high speed search, and the use of a registered algorithm for data compression.

ISO/IEC 22050:2002 specifies four types of cartridges depending on the length of tape contained in the case. These four types are referred to as Type A, Type B, Type C and Type D; their nominal uncompressed capacity is 100 Gbytes, 50 Gbytes, 30 Gbytes and 10 Gbytes, respectively.

Together with a standard for volume and file structure this document provides for full data interchange between data processing systems.

标准预览图