<html><head><meta http-equiv="content-type" content="text/html; charset=UTF-8"><style>body { line-height: 1.5; }blockquote { margin-top: 0px; margin-bottom: 0px; margin-left: 0.5em; }body { font-size: 10.5pt; font-family: 微软雅黑; color: rgb(0, 0, 0); line-height: 1.5; }</style></head><body> <div><span></span>Thanks, Eric!</div><div>However, I met more problems today. I tried blockpull with an test env. And virsh command returned an error:</div><div>    <p class="MsoListParagraph" style="margin: 0cm 0cm 0.0001pt; text-align: justify; text-indent: 21pt; font-size: 10.5pt; font-family: Calibri, sans-serif;"><i><span lang="EN-US">error: failed to query job for disk /test/over_5_1.qcow2<o:p></o:p></span></i></p> <p class="MsoListParagraph" style="margin: 0cm 0cm 0.0001pt; text-align: justify; text-indent: 21pt; font-size: 10.5pt; font-family: Calibri, sans-serif;"><i><span lang="EN-US">error: internal error: client socket is closed<o:p></o:p></span></i></p> <p class="MsoListParagraph" style="margin: 0cm 0cm 0.0001pt; text-align: justify; text-indent: 21pt; font-size: 10.5pt; font-family: Calibri, sans-serif;"><i><span lang="EN-US">error: One or more references were leaked after disconnect from the hypervisor<o:p></o:p></span></i></p> <p class="MsoListParagraph" style="margin: 0cm 0cm 0.0001pt; text-align: justify; text-indent: 21pt; font-size: 10.5pt; font-family: Calibri, sans-serif;"><i><span lang="EN-US">error: Reconnected to the hypervisor</span></i></p> </div> <div><br></div><div>I "qemu-img info" the top image, its back file was already pointed to the base file. </div><div>But the virtual machine process's cpu load was very high in the hypervisor, and that vm was a "dummy" machine, should not be high loaded.</div><div>I don't know whether the pull operation is still going on or not, and what is the final result.</div><div><br></div><div>And one more question hits me. What if the "blockpull" command fails? will it leave the disk files in unconsistant/corrupt state?</div><div>Thank you very much.</div><div><br></div><div>Daniel</div> <blockquote style="margin-top: 0px; margin-bottom: 0px; margin-left: 0.5em;"><div> </div><div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm"><div style="PADDING-RIGHT: 8px; PADDING-LEFT: 8px; FONT-SIZE: 12px;FONT-FAMILY:tahoma;COLOR:#000000; BACKGROUND: #efefef; PADDING-BOTTOM: 8px; PADDING-TOP: 8px"><div><b>From:</b> <a href="mailto:eblake@redhat.com">Eric Blake</a></div><div><b>Date:</b> 2014-08-06 21:29</div><div><b>To:</b> <a href="mailto:chenyanqiu@keytonecloud.com">chenyanqiu@keytonecloud.com</a>; <a href="mailto:libvirt-users@redhat.com">libvirt-users</a></div><div><b>Subject:</b> Re: [libvirt-users] [help] Does "virsh blockpull" works on live virtual machine</div></div></div><div><div>On 08/06/2014 06:04 AM, chenyanqiu@keytonecloud.com wrote:</div> <div>> Hi all,</div> <div> </div> <div>[please configure your mailer to wrap long lines]</div> <div> </div> <div>> ...Now I want to remove snap1 and snap2, and let current disk using the</div> <div>base image file as back file directly. Unfortunately, for some reason, I</div> <div>can not shutdown the vm, and exectue the "virsh blockpull" command. Can</div> <div>I execute the "virsh blockpull" while the vm is power on, and the</div> <div>application in the vm is not affected?</div> <div> </div> <div>Yes, that's the point of the 'virsh blockpull' command - live chain</div> <div>manipulation with no impact to the running guest.</div> <div> </div> <div>-- </div> <div>Eric Blake eblake redhat com +1-919-301-3266</div> <div>Libvirt virtualization library http://libvirt.org</div> <div> </div> </div></blockquote> </body></html>