收集物理磁盘支持的所有虚拟目标设备的PVID和LUNID信息。

Collect PVID and LUNID information for all the Virtual target devices backed by physical disks.

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创建虚拟目标设备，用于将SCSI设备映射到逻辑卷(请参见清单6)。

Create the virtual target device that maps the virtual SCSI device to the logical volume (see Listing 6).

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执行以下命令把磁盘映射到指定的vhost，可以给它们设置虚拟目标磁盘(VTD)名称以帮助跟踪它们。

Run the following command to map the disks to the specified vhosts, giving them virtual target disk (VTD) names to help you track them as you desire.

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The goal of virtual office hours is if you're sitting down in mather or the quad or wherever, even off campus on some weekend, we'll still hold, not as many, but some virtual office hours.

虚拟办公时间的目标是，如果你坐在,院子里或其他地方，甚至是某个周末不在学校里,我们仍然保持联系，虽然不是很多，但是有一些虚拟办公时间。

哈佛公开课 - 计算机科学课程节选