Hi everyone!
I use the libvirt(version: 1.2.2) and QEMU(version: 2.2.1) to test qemu
snapshot features:
I tried virsh blockcommit when VM offline, the virsh blockcommit failed:
the error messase as below:
error: Requested operation is not valid: domain is
not running
when I start the VM, the virsh blockcommit work fine!
my question is : we need virsh support blockcommit when VM offline。how
do？
we test qemu snapshot as follows：
we need create snapshot of the cycle，and by virsh blockcommit merge
snapshot chain，but whenVM offline， the virsh blockcommit will fail， someone
suggest me：when VM offline，may use qemu-img commit to submit snapshot turn，but
qemu-img can't modify snapshot chain backing relation，it need we use qemu-img
rebase amend snapshot‘s backingfile， the main question is when we use qemu-img
rebase modify snapshot's backingfile, if someone start the VM, it will may
lead to VM filesystem readonly。
we shoule solve the question? thanks!
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