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- 05 ゲストCentOS5をVirtio化
- === # virsh edit [VM] ===== Disk ===== target dev をvda へ、busをvirtioに変更 <disk type='block' device='disk'> <driver name='qemu' type='raw' cache='none' io='native'/> <source dev='/dev/mapper/VolG00-Volmatsui'/> <target dev='hda' bus='ide'/> </disk> ↓ ↓ 変更 <disk type='bl
- 07 qemuでserial接続
- ect memory-backend-file,id=mem0,size=1G,mem-path=/dev/hugepages,share=on \ -numa node,memdev=mem0 \ -bo... ow2,format=qcow2,if=none,id=drive-virtio-disk0 \ -device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x6,dri... el=kvm,usb=off \ -netdev bridge,br=br0,id=net0 \ -device e1000,netdev=net0,mac=52:54:00:12:10:11 \ -cha... cket,id=spdk_vhost_blk0,path=/var/tmp/vhost.0 \ -device vhost-user-blk-pci,id=blk0,chardev=spdk_vhost_
- 08 qcow2 バックアップ 外部へ取得する場合(online external)
- virsh dumpxml testvm . . . <disk type='file' device='disk'> <driver name='qemu' type='qcow2'... ackingStore/> </backingStore> <target dev='vda' bus='virtio'/> <alias name='virtio-di... virsh dumpxml testvm . . . <disk type='file' device='disk'> <driver name='qemu' type='qcow2'... ' index='2'/> <backingStore/> <target dev='vda' bus='virtio'/> <alias name='virtio-di
- 33 qcow2 中身確認
- くれる ### ><fs> run ### ><fs> list-filesystems ### /dev/vda1: ext4 ### /dev/vg_hoge/lv_root: ext4 ### /dev/vg_hoge/lv_swap: swap ### ><fs> mount /dev/vg_svxxx/lv_root / ><fs> cat /etc/hosts 127.0.0.1 hoge lo
- 32 LVM から qcow2に変換
- === - LVM to raw ===== <code> # qemu-img convert /dev/VolGroup00/snap-Volhoge -O raw /root/Volhoge.img
- 34 疑似NVMe Drive
- t=qcow2,if=none,id=NVME1'/> <qemu:arg value='-device'/> <qemu:arg value='nvme,drive=NVME1,seria