[libvirt-users] Is virsh blockcommit supported? Thanks a lot

Guozhonghua
2013-09-03T05:29:15Z

I had test the command virsh blockcommit, but it failed, with the libvirt
version 1.1.0, and qemu version 1.6.0.
Is this feature being developing? Thanks

root at cvk-31:/vms/images# virsh -v
1.1.0
root at cvk-31:/vms/images# qemu-img -V
qemu-img version 1.6.0, Copyright (c) 2004-2008 Fabrice Bellard
usage: qemu-img command [command options]


root at cvk-31:/vms/images# virsh blockcommit Vmtest /vms/images/Vmtest1 --base
/vms/image
s/Vmtest1_base --top /vms/images/Vmtest1_base_1 --wait --verbose ;echo $?
error: invalid argument: top '/vms/images/Vmtest1_base_1' in chain for
'/vms/images/Vmtest1' has no backing file

1
root at cvk-31:/vms/images# qemu-img info /vms/images/Vmtest1_base_1
image: /vms/images/Vmtest1_base_1
file format: qcow2
virtual size: 9.8G (10485760000 bytes)
disk size: 6.0M
cluster_size: 2097152
backing file: /vms/images/Vmtest1_base

root at cvk-31:/vms/images# qemu-img info --backing-chain /vms/images/Vmtest1
image: /vms/images/Vmtest1
file format: qcow2
virtual size: 9.8G (10485760000 bytes)
disk size: 140M
cluster_size: 2097152
backing file: /vms/images/Vmtest1_base_1

image: /vms/images/Vmtest1_base_1
file format: qcow2
virtual size: 9.8G (10485760000 bytes)
disk size: 6.0M
cluster_size: 2097152
backing file: /vms/images/Vmtest1_base

image: /vms/images/Vmtest1_base
file format: qcow2
virtual size: 9.8G (10485760000 bytes)
disk size: 3.4G
cluster_size: 2097152


root at cvk-31:/vms/images# virsh blockcommit Vmtest /vms/images/Vmtest1 --base
/vms/image
s/Vmtest1_base --wait --verbose ;echo $?
error: invalid argument: could not find base '/vms/images/Vmtest1_base'
below '/vms/images/Vmtest1' in chain for '/vms/images/Vmtest1'

1
root at cvk-31:/vms/images# ls -al /vms/images/Vmtest1_base
-rw------- 1 root root 3705667584 Aug 23 10:19 /vms/images/Vmtest1_base
root at cvk-31:/vms/images# qemu-img info /vms/images/Vmtest1_base
image: /vms/images/Vmtest1_base
file format: qcow2
virtual size: 9.8G (10485760000 bytes)
disk size: 3.4G
cluster_size: 2097152


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