# Creating a new snapshot:
inaddy@(kvm02):~$ virsh snapshot-create-as --domain guest --disk-only --atomic
Domain snapshot 1487875788 created
inaddy@(kvm02):~$ virsh domblklist --domain guest
Target Source
------------------------------------------------
vda /var/lib/libvirt/images/guest.1487875788
inaddy@(kvm02):~$ sudo qemu-img info --backing-chain
/var/lib/libvirt/images/guest.1487875788
image: /var/lib/libvirt/images/guest.1487875788
file format: qcow2
virtual size: 30G (32212254720 bytes)
disk size: 1.4M
cluster_size: 65536
backing file: /var/lib/libvirt/images/guest.1487745012
backing file format: qcow2
Format specific information:
compat: 1.1
lazy refcounts: false
image: /var/lib/libvirt/images/guest.1487745012
file format: qcow2
virtual size: 30G (32212254720 bytes)
disk size: 76M
cluster_size: 65536
backing file: /var/lib/libvirt/images/guest.qcow2
backing file format: qcow2
Format specific information:
compat: 1.1
lazy refcounts: false
image: /var/lib/libvirt/images/guest.qcow2
file format: qcow2
virtual size: 30G (32212254720 bytes)
disk size: 5.0G
cluster_size: 65536
Format specific information:
compat: 1.1
lazy refcounts: false
# I have right now: <base=guest.qcow> <intermediate=guest.1487745012>
<top=guest.1487875788>
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https://bugs.launchpad.net/bugs/1317491
Title:
virsh blockcommit hangs at 100%
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