红帽全球峰会20.27.6.3. 更改 CDROM 的介质
virsh change-media 命令将 CDROM 的介质更改为另一个源或格式。该命令采用以下参数：也可在 man page 中找到有关这些参数的更多示例和说明。
--path- 包含完全限定路径或磁盘设备目标的字符串--source- 包含介质源的字符串--eject- Ejects the media--insert- Inserts the media--update- 更新介质--current- 可以是--live和--config，这取决于虚拟机监控程序驱动程序的实现--live- Alters running guest 虚拟机的实时配置--config- Alters persistent 配置，在下次引导时观察到的操作--force- 强制介质更改
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