virsh常用命令

virsh list --all

virsh domblklist vm5936-ceph-node3-123-132

创建硬盘，关联虚拟机热插拔

qemu-img create -f qcow2 /home/kvm_data/guest/vm5936-ceph-node3-123-132/vm5936-ceph-node3-123-132_sdc.img 200G
qemu-img create -f qcow2 /home/kvm_data/guest/vm5936-ceph-node3-123-132/vm5936-ceph-node3-123-132_sdd.img 200G
qemu-img create -f qcow2 /home/kvm_data/guest/vm5936-ceph-node3-123-132/vm5936-ceph-node3-123-132_sde.img 200G

virsh attach-disk vm5936-ceph-node3-123-132 /home/kvm_data/guest/vm5936-ceph-node3-123-132/vm5936-ceph-node3-123-132_sdc.img sdc --subdriver qcow2 --config --live

virsh attach-disk vm5936-ceph-node3-123-132 /home/kvm_data/guest/vm5936-ceph-node3-123-132/vm5936-ceph-node3-123-132_sdd.img sdd --subdriver qcow2 --config --live

virsh attach-disk vm5936-ceph-node3-123-132 /home/kvm_data/guest/vm5936-ceph-node3-123-132/vm5936-ceph-node3-123-132_sde.img sde --subdriver qcow2 --config --live

解除虚拟机和硬盘关联热插拔

virsh detach-disk vm5934-ceph-node1-123-130 sde --config --live

删除硬盘
lsof | grep /home/kvm_data/guest/vm5936-ceph-node3-123-132/

qemu-img check /home/kvm_data/guest/vm5936-ceph-node3-123-132/vm5936-ceph-node3-123-132_sdb.img
qemu-img check /home/kvm_data/guest/vm5936-ceph-node3-123-132/vm5936-ceph-node3-123-132_sdc.img
qemu-img check /home/kvm_data/guest/vm5936-ceph-node3-123-132/vm5936-ceph-node3-123-132_sdd.img

rm -f /home/kvm_data/guest/vm5936-ceph-node3-123-132/vm5936-ceph-node3-123-132_sdb.img