KVM之virsh管理虚拟机硬盘配置

新建raw格式虚拟盘

[root@ubuntu ~]# qemu-img create -f raw /data/raw/disk02.raw 5G 
Formatting '/data/raw/disk02.raw', fmt=raw size=5368709120 
[root@ubuntu ~]# qemu-img  info /data/raw/disk02.raw  
image: /data/raw/disk02.raw
file format: raw
virtual size: 5.0G (5368709120 bytes)
disk size: 0

挂载到虚拟机

[root@ubuntu ~]# virsh attach-disk centosv6.5.23_01 [--source] /data/raw/disk02.raw sdb --subdriver=raw --live --config
Disk attached successfully

查看块设备

[root@ubuntu ~]# virsh  domblklist centosv6.5.23_01 
Target     Source
------------------------------------------------
hda        /data/raw/disk01.raw
hdc        -
sdb        /data/raw/disk02.raw

从虚拟机卸载虚拟盘

[root@ubuntu ~]# virsh detach-disk centosv6.5.23_01 [--target] sdc --live --config