When using the structure based IO method, RPG will create the initial storage for the input and output buffers, along with storage for the null indicator map.
使用基于结构的IO方法时，RPG将为输入和输出缓冲区创建初始存储空间，并为空指示符映射创建存储空间。
Because they map database data to underlying physical storage (raw disks, file systems, volumes), understanding them in a new platform is critical for DBAs.
因为他们将数据库数据映射到底层物理存储(原始磁盘、文件系统、卷)，在一个新的平台中理解它们对于dba来说很重要。
It's also possible that a tiny remainder sda_freespace1 will continue to exist if the available storage on the hard drive does map cleanly to the partition sizes that I choose.
如果硬盘上的可用存储空间确实完全映射到我选择的分区大小，则也可能继续保留剩余的很小的sda_freespace1。
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