改变虚拟机磁盘空间配置

以下内容来自：http://wiki.kartbuilding.net/index.php/LVM_on_XEN_(dom0)

增加磁盘空间

//umount the partition or poweroff the domU server.//the commands below should be available on the dom0 or main server.lvextend -L+10G /dev/main-vol2/twister   //extend the LinuxVolume. Add 10 gigabytes to the present size.e2fsck -f /dev/main-vol2/twister         //Run a (forced) check on the filesystemresize2fs /dev/main-vol2/twister       //resize the filesystem

增加swap区空间

swapoff -v /dev/VolGroup00/LogVol01lvm lvresize /dev/VolGroup00/LogVol01 -L +256Mmkswap /dev/VolGroup00/LogVol01swapon /dev/VolGroup00/LogVol01

减少磁盘空间

e2fsck -f /dev/vg0/vm07-rootresize2fs -p /dev/vg0/vm07-root 10Glvresize -L 11G /dev/vg0/vm07-roote2fsck -f /dev/vg0/vm07-rootresize2fs -p /dev/vg0/vm07-root