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35 qcow2をマウント

12 Hits, Last modified: 12 months ago

Label MBR Size Parent UUID /dev/sda1 filesystem ext4 cloudimg-rootfs - 5183... 84 - 7d0b2637-958d-4177-a078-d437a92b45eb /dev/sda14 filesystem unknown - - 4194304 - - /dev/sda15 filesystem vfat UEFI - 109422592 - 7EB9-5D73 /dev/sda1 partition - - - 5357

05 ゲストCentOS5をVirtio化

11 Hits, Last modified: 3 years ago

=== # 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

4 Hits, Last modified: 6 years ago

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)

4 Hits, Last modified: 3 years ago

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

4 Hits, Last modified: 12 months ago

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

1 Hits, Last modified: 3 years ago

=== - LVM to raw ===== <code> # qemu-img convert /dev/VolGroup00/snap-Volhoge -O raw /root/Volhoge.img

34 疑似NVMe Drive

1 Hits, Last modified: 4 years ago

t=qcow2,if=none,id=NVME1'/> <qemu:arg value='-device'/> <qemu:arg value='nvme,drive=NVME1,seria