<html>
  <head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
  </head>
  <body>
    <div class="moz-cite-prefix">Hello, Andrew & Joke:</div>
    <div class="moz-cite-prefix"><br>
    </div>
    <div class="moz-cite-prefix">I have the same problem.</div>
    <div class="moz-cite-prefix"><br>
    </div>
    <div class="moz-cite-prefix">If I enable <br>
    </div>
    <div class="moz-cite-prefix"><br>
    </div>
    <div class="moz-cite-prefix">show_image_direct_url = True<br>
      show_multiple_locations = True<br>
    </div>
    <div class="moz-cite-prefix"><br>
    </div>
    <div class="moz-cite-prefix">on /etc/glance/glance-api.conf</div>
    <div class="moz-cite-prefix"><br>
    </div>
    <div class="moz-cite-prefix">When I create an instance from image, I
      get:<br>
    </div>
    <div class="moz-cite-prefix"><br>
    </div>
    <div class="moz-cite-prefix"><span style="color: rgb(169, 68, 66);
        font-family: Ubuntu, Arial, "libra sans", sans-serif;
        font-size: 16px; font-style: normal; font-variant-ligatures:
        normal; font-variant-caps: normal; font-weight: 300;
        letter-spacing: normal; orphans: 2; text-align: start;
        text-indent: 0px; text-transform: none; white-space: normal;
        widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px;
        background-color: rgb(242, 222, 222); text-decoration-thickness:
        initial; text-decoration-style: initial; text-decoration-color:
        initial; display: inline !important; float: none;"><span> </span>[Error:
        Build of instance 5855874c-860c-4ab8-8b3f-08970e220806 aborted:
        Volume 0367557b-4efc-40ab-8fda-932ce0a9f542 did not finish being
        created even after we waited 3 seconds or 2 attempts. And its
        status is error.].</span></div>
    <div class="moz-cite-prefix"><br>
    </div>
    <div class="moz-cite-prefix"><br>
    </div>
    <div class="moz-cite-prefix">Thanks!</div>
    <div class="moz-cite-prefix"><br>
    </div>
    <div class="moz-cite-prefix"><br>
    </div>
    <div class="moz-cite-prefix">El 16/3/22 a las 10:33, Erno Kuvaja
      escribió:<br>
    </div>
    <blockquote type="cite"
cite="mid:CAKwVDDNPd3dT7Qf4iQ5__tTXVppb+krQ5keK2rxRhh36otXHvg@mail.gmail.com">
      <meta http-equiv="content-type" content="text/html; charset=UTF-8">
      <div dir="ltr">
        <div class="gmail_quote">
          <div dir="ltr" class="gmail_attr">On Thu, Feb 24, 2022 at 2:37
            PM west, andrew <<a
              href="mailto:andrew.west-contractor@cgg.com"
              moz-do-not-send="true" class="moz-txt-link-freetext">andrew.west-contractor@cgg.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 style="overflow-wrap: break-word;" lang="EN-US">
              <div class="gmail-m_6753857909249262306WordSection1">
                <p class="MsoNormal">Hello experts</p>
                <p class="MsoNormal"> </p>
                <p class="MsoNormal">Currently using openstack Xena and
                  Ceph backend (Pacific 16.2.7)</p>
                <p class="MsoNormal"> </p>
                <p class="MsoNormal">It seems there is a bug (since
                  Wallaby?) where the efficient use of a CEPH Pacific
                  RBD backend (i.e with copy-on-write-cloning) is not
                  working .</p>
                <p class="MsoNormal">Show_image_direct_url needs to be
                  False to create volumes (or ephemeral volumes for
                  nova)</p>
                <p class="MsoNormal"> </p>
                <p class="MsoNormal">This can of course be tremendously
                  slow (Nova  , ephemeral root disk) without
                  copy-on-write cloning feature of Ceph.</p>
                <p class="MsoNormal"> </p>
                <p class="MsoNormal">As Ceph RBD is THE most favourite
                   backend for block storage in openstack I am wondering
                  how others are coping (or workarounds found ?)</p>
                <p class="MsoNormal">Which combinations of Openstack and
                  Ceph  are known to work well with
                  copy-on-write-cloning?</p>
                <p class="MsoNormal"> </p>
                <p class="MsoNormal">How is the noted <i>GRAVE Security
                    RISK  of enabling </i>Show_image_direct_url
                  mitigated  ?  (i.e I think , for CEPH RBD, it needs
                  to  be True to get cloning to work efficiently)</p>
                <p class="MsoNormal"> </p>
                <p class="MsoNormal"> </p>
                <p class="MsoNormal">See another report of this issue
                  here:</p>
                <p class="MsoNormal"><a
                    href="https://www.spinics.net/lists/ceph-users/msg66016.html"
                    target="_blank" moz-do-not-send="true">Re: Ceph
                    Pacifif and Openstack Wallaby - ERROR
                    cinder.scheduler.flows.create_volume — CEPH
                    Filesystem Users (spinics.net)</a></p>
                <p class="MsoNormal"> </p>
                <p class="MsoNormal">Thanks for any help or pointers,</p>
                <p class="MsoNormal"> </p>
                <p class="MsoNormal">Andrew West</p>
                <p class="MsoNormal">Openstack consulting</p>
                <p class="MsoNormal">CGG France</p>
                <p class="MsoNormal"> </p>
                <p class="MsoNormal"> </p>
              </div>
              <hr>
              “This e-mail and any accompanying attachments are
              confidential. The information is intended solely for the
              use of the individual to whom it is addressed. Any review,
              disclosure, copying, distribution, or use of the email by
              others is strictly prohibited. If you are not the intended
              recipient, you must not review, disclose, copy, distribute
              or use this e-mail; please delete it from your system and
              notify the sender immediately.”
            </div>
          </blockquote>
          <div><br>
          </div>
        </div>
      </div>
    </blockquote>
    <br>
  </body>
</html>