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虚拟机复制

2013-09-13 19:13:36| 分类：云&虚拟化 | 标签： |举报 |字号大中小订阅

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Posted on 2013-02-04 16:21 feisky 阅读(90) 评论(0) 编辑收藏

首先创建虚拟机的数据卷和swap卷：

# lvcreate -L 128m -n newvm-swap xenvg
# lvcreate -L 4g -n newvm xenvg

使用virt-clone复制：

# virt-clone -o testvm -n newvm -f /dev/xenvg/newvm -f /dev/xenvg/newvm-swap
Cloning testvm-disk | 4.0 GB 01:39
Cloning testvm-swap | 128 MB 00:01

Clone 'newvm' created successfully.

# xm list newvm
Name ID Mem VCPUs State Time(s)
newvm 512 2 0.0

当然，上面的步骤也可以通过dd来完成：

# dd if=/dev/xenvg/testvm of=/dev/xenvg/newvm
# dd if=/dev/xenvg/testvm-swap of=/dev/xenvg/newvm-swap
# cp /etc/xen/testvm /etc/xen/newvm
# sed -i 's/testvm/newvm/g' /etc/xen/newvm
# xm new /etc/xen/newvm

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