在从系统处理器/内存/操作系统/应用程序到 HBA 的路径上，只传输读取数据块。
The path from the system processor/memory/OS/App to the HBA contains only the read data block.
现在正是使用操作系统命令复制所有 RSS 数据块（比如 cp、tar、gzip 等）的好时候。
This is the time to make a copy of all RSS chunks using OS commands such as cp, tar, gzip, etc.
由于操作系统在磁带上不提供文件系统服务，应用程序必须决定如何使用数据块的数组。
Since the OS does not provide file system services, the application must decide how to use the array of blocks.
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