A multipath driver combines all the paths to show only one block device to the operating system.

多路驱动程序将所有路径组合起来，只向操作系统显示一个块设备。

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The loop device is a device driver that allows you to mount a file as a block device and then interpret the file system it represents.

loop 设备 是一个设备驱动程序，利用它可以将文件作为一个块设备挂载到系统中，然后就可以查看这个文件系统中的内容了。

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For example, the virtio network driver USES two virtual queues (one for receive and one for transmit), where the virtio block driver USES only one.

例如，virtio网络驱动程序使用两个虚拟队列(一个用于接收，另一个用于发送)，而virtio块驱动程序仅使用一个虚拟队列。

youdao

But side windows generally block only one kind from reaching the driver or passengers.

VOA: special.2010.07.06

Kendall took a cab (paying with untraceable cash) and had the driver let him out a block from the all-cash building.

NEWYORKER: Great Experiment