Each physical link includes a host adapter in the primary disk subsystem and a host adapter in the secondary disk subsystem.

每条物理链路包括一个位于主磁盘子系统中的主机适配器，以及一个位于辅助磁盘子系统中的主机适配器。

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With an alternate boot disk, you create another bootable disk to use in the event of a file system problem on the primary disk.

使用备用引导磁盘事，您可以在主磁盘上发生文件系统问题时创建另一个引导磁盘进行使用。

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The second capacity management approach to consider is reducing data on primary disk storage via data deduplication or data compression.

第二种容量管理办法可近似地认为是通过重复数据删除或数据压缩来减少主存储磁盘上的数据。

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First, the professional installer had enabled automatic backup between the primary disk partition and a backup disk partition on the same physical disk.

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In other words, instead of using memory as a temporary storage space for data retrieved from disk, memory can play a more primary role.

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