Since all data storage writes must be performed synchronously at both locations the solution design must account for IO bandwidth needed between the primary and secondary sites.
由于所有数据存储写必须在两个位置上同步地执行，这种解决方案的设计必须考虑主站点与辅助站点之间所需的 IO 带宽。
The strategy is to spread the data for all tablespaces across as many drives as possible to maximize the IO parallelism.
策略是将所有表空间的数据扩展到尽可能多的驱动器中，以最大化 IO 并行性。
This data wouldn't be viewable by normal file IO operations but could be accessed by any program using a special extended attributes API.
普通文件IO操作将看不到这个数据，但任何程序都可以使用一个特殊的扩展属性api来访问它。
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