During a parallel backup, whether it is a standard backup (onbar -b) or whole-system backup (onbar -b -w), multiple processes run simultaneously and back up data to separate dbspaces.

在并行备份期间，不管是标准备份(onbar - b)还是全系统备份(onbar - b - w)，都是多个进程同时运行，并将数据备份到不同的dbspace中。

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