Using qemu-img convert physical disk to KVM image
2013-03-28 13:48
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一,实现过程
A, 生成img文件
qemu-img create -f qcow2 redhat5u3_10G.img 10G
B, 创建虚拟机
virt-install -n redhat5u3_10G -f /dev/sdb -r 1024 -s 10 -v --vcpus=2 ---vnc --cdrom=/opt/rhel5.3.*.iso
C, 查看虚拟文件配置
<disk type='file' device='disk'>
<driver name='qemu' type='raw' cache='none'/>
<source file='/dev/sdb'/>
<target dev='hda' bus='ide'/>
<alias name='ide0-0-0'/>
<address type='drive' controller='0' bus='0' target='0' unit='0'/>
</disk>
D, 磁盘转换
qemu-img convert -f raw /dev/sdb -O qcow2 ./redhat5u3_10G.qcow2
E, 启动(/dev/sdb)虚拟机
virsh create redhat5u3_10G.xml
F, 验证 文件一致性
guestmount -a redhat5u3_10G.qcow2 -m /dev/sda1 --ro /mnt
G,查看截图,文件信息一致性
A, 生成img文件
qemu-img create -f qcow2 redhat5u3_10G.img 10G
B, 创建虚拟机
virt-install -n redhat5u3_10G -f /dev/sdb -r 1024 -s 10 -v --vcpus=2 ---vnc --cdrom=/opt/rhel5.3.*.iso
C, 查看虚拟文件配置
<disk type='file' device='disk'>
<driver name='qemu' type='raw' cache='none'/>
<source file='/dev/sdb'/>
<target dev='hda' bus='ide'/>
<alias name='ide0-0-0'/>
<address type='drive' controller='0' bus='0' target='0' unit='0'/>
</disk>
D, 磁盘转换
qemu-img convert -f raw /dev/sdb -O qcow2 ./redhat5u3_10G.qcow2
E, 启动(/dev/sdb)虚拟机
virsh create redhat5u3_10G.xml
F, 验证 文件一致性
guestmount -a redhat5u3_10G.qcow2 -m /dev/sda1 --ro /mnt
G,查看截图,文件信息一致性
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