Bel*_*dez 9 virtualization redhat libvirt qemu kvm-virtualization
我正在尝试更改 VM 的启动设备。我转到 VM 中的 XML 文件/etc/libvirt/qemu
并设置<boot dev='cdrom' />
. 尽管如此,它还是会尝试从硬盘而不是 cdrom 引导。
我知道我在 CD-ROM 虚拟设备上加载了 ISO 映像。
我这样做不正确吗?我尝试完全关闭虚拟机并重新启动它无济于事。也许我需要以某种方式重新加载设置?
应@Selivanov 的要求:
$ libvirtd --version
libvirtd (libvirt) 0.8.7
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和 XML 文件:
<domain type='kvm'>
<name>nimmy.example.com</name>
<uuid>(SNIP)</uuid>
<memory>524288</memory>
<currentMemory>524288</currentMemory>
<vcpu>1</vcpu>
<os>
<type arch='x86_64' machine='rhel6.1.0'>hvm</type>
<boot dev='cdrom'/>
</os>
<features>
<acpi/>
<apic/>
<pae/>
</features>
<clock offset='utc'/>
<on_poweroff>destroy</on_poweroff>
<on_reboot>restart</on_reboot>
<on_crash>restart</on_crash>
<devices>
<emulator>/usr/libexec/qemu-kvm</emulator>
<disk type='file' device='disk'>
<driver name='qemu' type='raw' cache='none'/>
<source file='/var/lib/libvirt/images/nimmy.img'/>
<target dev='hda' bus='ide'/>
<address type='drive' controller='0' bus='0' unit='0'/>
</disk>
<disk type='file' device='cdrom'>
<driver name='qemu' type='raw'/>
<source file='/home/nimmy/CentOS-6.0-x86_64-netinstall.iso'/>
<target dev='hdc' bus='ide'/>
<readonly/>
<address type='drive' controller='0' bus='1' unit='0'/>
</disk>
<controller type='ide' index='0'>
<address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x1'/>
</controller>
<interface type='network'>
<mac address='(SNIP)'/>
<source network='default'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/>
</interface>
<serial type='pty'>
<target port='0'/>
</serial>
<console type='pty'>
<target type='serial' port='0'/>
</console>
<input type='mouse' bus='ps2'/>
<graphics type='vnc' port='-1' autoport='yes'/>
<sound model='ac97'>
<address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x0'/>
</sound>
<video>
<model type='cirrus' vram='9216' heads='1'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/>
</video>
<memballoon model='virtio'>
<address type='pci' domain='0x0000' bus='0x00' slot='0x05' function='0x0'/>
</memballoon>
</devices>
</domain>
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如果 libvirt 在启动/停止时没有重新加载 VM 设置,virsh edit
命令可能会有所帮助。并请编写完整的 XML 文件和 libvirt 版本
嗯……一切似乎都很好。尝试添加
<boot dev='hd'/>
<boot dev='cdrom'/>
<bootmenu enable='yes'/>
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到 <os> 部分并查看 cdrom 是否出现在启动菜单中。还可以尝试从 <os> 中删除所有 <boot> 记录并添加
<boot order='1'/>
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到 <磁盘> 部分
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