1. Live 머신에 스냅샷을 찍으면 기존 이미지는 fix 되고 copy 가능함


https://asheritto.wordpress.com/devops/virtualization/kernel-based-virtual-machine-kvm-2/live-disk-backup-with-active-block-commit-kvm/

How to Perform a Live Backup on your KVM Virtual Machines

https://www.virtkick.com/docs/how-to-perform-a-live-backup-on-your-kvm-virtual-machines.html

https://wiki.qemu.org/Features/LiveBlockMigration#Live_snapshots_and_live_snapshot_merge



2. domfsfreeze 로 파일시스템 고정



참고

libvirt 자주 쓰는 명령어 정리 virsh

https://lucidmaj7.tistory.com/168

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