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<div><span></span><div style="color: rgb(34, 34, 34); font-family: arial, sans-serif; line-height: normal; widows: 1;">Hi everyone!</div><div style="color: rgb(34, 34, 34); font-family: arial, sans-serif; line-height: normal; widows: 1;"> I use the libvirt(version: 1.2.2) and QEMU(version: 2.2.1) to test qemu snapshot features:</div><div style="color: rgb(34, 34, 34); font-family: arial, sans-serif; line-height: normal; widows: 1;"> </div><div style="color: rgb(34, 34, 34); font-family: arial, sans-serif; line-height: normal; widows: 1;"> I tried virsh blockcommit when VM offline, the virsh blockcommit failed: the error messase as below:</div><div style="color: rgb(34, 34, 34); font-family: arial, sans-serif; line-height: normal; widows: 1;"> <b> error: Requested operation is not valid: domain is not running</b></div><div style="color: rgb(34, 34, 34); font-family: arial, sans-serif; line-height: normal; widows: 1;"><strong> </strong>when I start the VM, the virsh blockcommit work fine!</div><div style="color: rgb(34, 34, 34); font-family: arial, sans-serif; line-height: normal; widows: 1;"> my question is£ºwe need virsh support <wbr>blockcommit when VM offline¡£how do£¿</div><div style="color: rgb(34, 34, 34); font-family: arial, sans-serif; line-height: normal; widows: 1;"><br></div><div style="color: rgb(34, 34, 34); font-family: arial, sans-serif; line-height: normal; widows: 1;"> we test qemu snapshot as <wbr>follows£º</div><div style="color: rgb(34, 34, 34); font-family: arial, sans-serif; line-height: normal; widows: 1;"> we need create snapshot <wbr>of the cycle£¬and by virsh <wbr>blockcommit merge snapshot <wbr>chain£¬but when VM offline£¬ the <wbr>virsh blockcommit will fail£¬ <wbr>someone suggest me£ºwhen VM <wbr>offline£¬may use qemu-img <wbr>commit to submit snapshot <wbr>turn£¬but qemu-img can't <wbr>modify snapshot chain backing <wbr>relation£¬it need we use qemu-img rebase amend <wbr>snapshot¡®s backingfile£¬<b> the <wbr>main question</b> is when we use <wbr>qemu-img rebase modify <wbr>snapshot's backingfile, if someone start the VM, it will may lead to VM filesystem readonly¡£</div><div style="color: rgb(34, 34, 34); font-family: arial, sans-serif; line-height: normal; widows: 1;"> </div><div style="color: rgb(34, 34, 34); font-family: arial, sans-serif; line-height: normal; widows: 1;"> we should how to solve the question? thanks!</div></div><div><br></div><div><br></div><div><br></div>
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<div><span><div style="MARGIN: 10px; FONT-FAMILY: verdana; FONT-SIZE: 10pt"><div>justlibvirt@gmail.com</div></div></span></div>
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