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<p class="MsoNormal"><span style="color:windowtext">I have a small 5 server openstack lab with RDO<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:windowtext"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:windowtext">1 controller + 4 compute<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:windowtext">The controller also runs the storage on LVM backed with some decent disk -> +- 40.000 iops<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:windowtext">Glance on file on the same server<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:windowtext"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:windowtext">When I request 10 instances of centos to be spun up, I see every instance go to block device mapping<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:windowtext">And then see 1 by 1 the glance image being cloned to the volume, then mapped, then nova spins up the instance.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:windowtext"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:windowtext">However this all works serial, and so my last 2 instances go in error, as they say they tried 61 times.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:windowtext"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:windowtext">Is there a way to make cinder do more concurrent clones, as my storage system, the cpu and mem are not taxed at all, and not an HW performance issue.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:windowtext"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:windowtext"><o:p> </o:p></span></p>
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