<div dir="ltr">Well that is interesting. If you look in your libvirt config directory (/etc/libvirt on Centos) you can get a little more info on what is being used for locking. <div><br></div><div>Maybe strace can shed some light on it. Try something like </div><div><br></div><div>strace -ttt -f qemu-img info /var/lib/nova/instances/659b5853-d094-4425-85a9-5bcacf88c84e/disk<br></div><div><br></div><div><br></div><div><br><div><br></div></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, Jul 11, 2019 at 2:39 PM Gökhan IŞIK <<a href="mailto:skylightcoder@gmail.com">skylightcoder@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">I run virsh list --all command and output is below:<div><br><div>root@compute06:~# virsh list --all<br> Id Name State<br>----------------------------------------------------<br> - instance-000012f9 shut off<br> - instance-000013b6 shut off<br> - instance-000016fb shut off<br> - instance-0000190a shut off<br> - instance-00001a8a shut off<br> - instance-00001e05 shut off<br> - instance-0000202a shut off<br> - instance-00002135 shut off<br> - instance-00002141 shut off<br> - instance-000021b6 shut off<br> - instance-000021ec shut off<br> - instance-000023db shut off<br> - instance-00002ad7 shut off<br></div><div><br></div><div>And also when I try start instances with virsh , output is below:</div><div><br></div><div>root@compute06:~# virsh start instance-0000219b<br>error: Failed to start domain
instance-000012f9 <br>error: internal error: process exited while connecting to monitor: 2019-07-11T18:36:34.229534Z qemu-system-x86_64: -chardev pty,id=charserial0,logfile=/dev/fdset/2,logappend=on: char device redirected to /dev/pts/3 (label charserial0)<br>2019-07-11T18:36:34.243395Z qemu-system-x86_64: -drive file=/var/lib/nova/instances/659b5853-d094-4425-85a9-5bcacf88c84e/disk,format=qcow2,if=none,id=drive-virtio-disk0,cache=none,discard=ignore: Failed to get "write" lock<br>Is another process using the image?<br></div><div><br></div><div>Thanks,</div><div>Gökhan</div></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">Donny Davis <<a href="mailto:donny@fortnebula.com" target="_blank">donny@fortnebula.com</a>>, 11 Tem 2019 Per, 21:06 tarihinde şunu yazdı:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">Can you ssh to the hypervisor and run virsh list to make sure your instances are in fact down?</div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, Jul 11, 2019 at 3:02 AM Gökhan IŞIK <<a href="mailto:skylightcoder@gmail.com" target="_blank">skylightcoder@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div>Can anyone help me please ? I can no't rescue my instances yet :(</div><div><br></div><div><div>Thanks,</div><div>Gökhan</div></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">Gökhan IŞIK <<a href="mailto:skylightcoder@gmail.com" target="_blank">skylightcoder@gmail.com</a>>, 9 Tem 2019 Sal, 15:46 tarihinde şunu yazdı:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div>Hi folks,</div><div> Because of power outage, Most of our compute
nodes unexpectedly shut down and now I can not start our instances. Error message is "Failed to get "write" lock another process using the image?".
Instances Power status is No State. Full error log is <a href="http://paste.openstack.org/show/754107/" rel="nofollow" target="_blank">http://paste.openstack.org/show/754107/</a>.
My environment is OpenStack Pike on Ubuntu 16.04 LTS servers and Instances are on a nfs shared
storage. Nova version is 16.1.6.dev2. qemu version is 2.10.1. libvirt version is 3.6.0. I saw a commit [1], but it doesn't solve this problem.</div><div>There are important instances
on my environment. How can I rescue my instances? What would you suggest
?</div><div><br></div><div>Thanks,</div><div>Gökhan</div><div><br></div><div>[1] <a href="https://review.opendev.org/#/c/509774/" target="_blank">https://review.opendev.org/#/c/509774/</a></div></div>
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