Both sides previous revision Previous revision Next revision Previous revision virtualisation [2024/06/25 16:59] – [Virtualization] admin virtualisation [2024/09/23 20:05] – [Qemu - checkpoints] admin
Testing system updates using libvirts checkpoint feature - https://abbbi.github.io/changes/ \\ Testing system updates using libvirts checkpoint feature - https://abbbi.github.io/changes/ \\ virtndbackup error - https://github.com/abbbi/virtnbdbackup/discussions/119 \\ virtndbackup error - https://github.com/abbbi/virtnbdbackup/discussions/119 \\ working with bitmaps qmp https://kashyapc.fedorapeople.org/QEMU-Docs/_build/html/docs/interop/bitmaps.html#id1 \\ <code BASH> # bitmap qemu-img bitmap --remove ./local_copy_1_154.hdd.qcow2 virtnbdbackup.1 #snapshot qemu-img snapshot -l $DISK_IMAGE.qcow2 # List Snapshots #Snapshots also appear in the output of the qemu-img info command. qemu-img snapshot -c $SNAPSHOT_NAME $DISK_IMAGE #Create Snapshot qemu-img snapshot -a $SNAPSHOT_NAME $DISK_IMAGE #Restore (Apply) Snapshot qemu-img snapshot -d $SNAPSHOT_NAME $DISK_IMAGE #Delete Snapshot </code> ++++ Checkpoints increment backup| ++++ Checkpoints increment backup| <code BASH> <code BASH>
</details> </details> ```` ```` </code> ++++ ++++ Whole libvirt hierarchy of path| <code BASH> # https://www.reddit.com/r/linuxquestions/comments/16kx0oi/how_do_i_change_libvirtqemuvirtmanager_s_xml/ # path of libvirt /etc/libvirt/ Holds QEMU/Libvirt configurations files are. /etc/libvirt/hooks/ Holds your own scripts that would starts when a specific VM does. /etc/libvirt/nwfilter/ Looks like Libvirt has its own networking/firewall rules. /etc/libvirt/qemu/ Holds VMs' XMLs are stored. /etc/libvirt/qemu/networks/ Holds QEMU/Libvirt virtual networks' XMLs are. /etc/libvirt/qemu/networks/autostart/ A QEMU/Libvirt virtual network XML symlinked there will make said virtual network starts when QEMU/Libvirt does. /etc/libvirt/secrets/ ??? /etc/libvirt/storage/ Holds QEMU/Libvirt datastores/pool configurations files are. /etc/libvirt/storage/autostart/ A QEMU/Libvirt datastore/pool configuration file symlinked there will make said datastore/pool starts when QEMU/Libvirt does. /var/lib/libvirt/boot/ ??? /var/lib/libvirt/dnsmasq/ Holds further QEMU/Libvirt virtual networks' configuration files. /var/lib/libvirt/images/ Default QEMU/Libvirt virtual disks' datastore/pool. /var/lib/libvirt/qemu/ ??? /var/lib/libvirt/qemu/channel/ ??? /var/lib/libvirt/qemu/target/ ??? /var/lib/libvirt/qemu/checkpoint/ ??? /var/lib/libvirt/qemu/dump/ ??? /var/lib/libvirt/qemu/nvram/ Holds VMs' UEFI settings. Same goes for TPM and Secure Boot databases? /var/lib/libvirt/qemu/ram/ ??? /var/lib/libvirt/qemu/ram/libvirt/ ??? /var/lib/libvirt/qemu/libvirt/qemu/ ??? /var/lib/libvirt/qemu/save/ Looks like it holds VMs' saved states. /var/lib/libvirt/qemu/snapshot/ Looks like it's where VMs' snapshot are saved. /var/lib/libvirt/sanlock/ ??? </code> </code> ++++ ++++