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Virtio-blk analysis, virtioblk

Source: Internet
Author: User
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Virtio-blk analysis, virtioblk

Like virtio-network, the virtio-blk driver uses the Virtio mechanism to provide a high-performance block device I/O Method for Guest. Here we will look at the implementation of virtio-blk.

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Http://luoye.me/2014/08/29/virtio-blk/


Which of the following features can be better for virtio-blk and virtio-scsi? What are their advantages?

It should be virtio-scsi with better performance.
Because SCSI supports multiple devices, SCSI-2 (FastSCSI) can connect up to 7 SCSI devices, and WideSCSI-2 can connect up to 16 SCSI devices. That is to say, all devices only need one IRQ.
Reference: wenku.it168.com/d_115661.shtml
 

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