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<p class="MsoNormal"><span style="font-family:"Trebuchet MS","sans-serif";color:#1F497D">Could it be some parameter that specifies the limit of VM size? Let me dig around.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Trebuchet MS","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Trebuchet MS","sans-serif";color:#1F497D">Anthony.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Trebuchet MS","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> Yngvi Páll Ŝorfinnsson [mailto:yngvith@siminn.is]
<br>
<b>Sent:</b> Friday, August 28, 2015 4:11 AM<br>
<b>To:</b> openstack@lists.openstack.org<br>
<b>Subject:</b> [Openstack] error when launching instance<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="IS">HI,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="IS"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="IS">I can launch an instance, when using the option „boot from image“ and then I just choose one from the list i.e. UbuntuServer1404.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="IS">But I get an error when choosing the option „Boot from image (creates new volume)“<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="IS"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="IS">This stats according to „nova hypervisor-stats“ show I‘m out of free disk space.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="IS">i.e. the „free_disk_ge“ is negative and the number is -864.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="IS"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="IS">root@opst-ctrl1-dev:/# nova hypervisor-stats<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="IS">+----------------------+--------+<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="IS">| Property | Value |<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="IS">+----------------------+--------+<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="IS">| count | 5 |<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="IS">| current_workload | 4 |<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="IS">| disk_available_least | 236 |<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="IS">| free_disk_gb | -864 |<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="IS">| free_ram_mb | 412826 |<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="IS">| local_gb | 386 |<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="IS">| local_gb_used | 1250 |<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="IS">| memory_mb | 547482 |<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="IS">| memory_mb_used | 134656 |<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="IS">| running_vms | 46 |<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="IS">| vcpus | 144 |<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="IS">| vcpus_used | 72 |<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="IS"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="IS">The stats in Horizon are coherent with these stats,
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="IS">When I look at the <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="IS">Admin->Hypervisors->Hypervisor Summary<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="IS">I see the same restult<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="IS"><o:p> </o:p></span></p>
<p class="MsoNormal"><strong><span lang="IS" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#333333;background:white">Disk Usage</span></strong><span class="apple-converted-space"><b><span lang="IS" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#333333;background:white"> </span></b></span><b><span lang="IS" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#333333;background:white"><br>
<strong><span style="font-family:"Arial","sans-serif"">Used</span></strong><span class="apple-converted-space"> </span><strong><span style="font-family:"Arial","sans-serif"">1.2TB</span></strong><span class="apple-converted-space"> </span><strong><span style="font-family:"Arial","sans-serif"">of</span></strong><span class="apple-converted-space"> </span><strong><span style="font-family:"Arial","sans-serif"">386GB</span></strong></span></b><span lang="IS"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="IS"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="IS">i.e. the result is -814 (negative).<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="IS"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="IS">But my vg0 volume groups on all computer nodes still have plenty of space left, i.e. some 80+ GB.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="IS">According to the error, it has to do with the cinder servcie (block device) ;<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="IS"><o:p> </o:p></span></p>
<p class="MsoNormal"><strong><span lang="IS" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#A94442;background:#F2DEDE">Error:</span></strong><span class="apple-converted-space"><b><span lang="IS" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#A94442;background:#F2DEDE"> </span></b></span><span lang="IS" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#A94442;background:#F2DEDE">Failed
to launch instance "yp-test-33": Please try again later [Error: Build of instance be93dfeb-02eb-4ebb-989d-c033f24b5191 aborted: Failure prepping block device.].</span><span lang="IS"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="IS"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="IS"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="IS">I‘ve created cinder-volumes on all computer nodes, and each cinder volume group has 800 GB disk.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="IS"><o:p> </o:p></span></p>
<p class="MsoNormal"><strong><span lang="IS" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#333333;background:white">Disk Usage</span></strong><span class="apple-converted-space"><b><span lang="IS" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#333333;background:white"> </span></b></span><b><span lang="IS" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#333333;background:white"><br>
<strong><span style="font-family:"Arial","sans-serif"">Used</span></strong><span class="apple-converted-space"> </span><strong><span style="font-family:"Arial","sans-serif"">1.2TB</span></strong><span class="apple-converted-space"> </span><strong><span style="font-family:"Arial","sans-serif"">of</span></strong><span class="apple-converted-space"> </span><strong><span style="font-family:"Arial","sans-serif"">386GB</span></strong></span></b><span lang="IS"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="IS"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="IS"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="IS">When I look at the „cinder stats“ I can not find
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="IS"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="IS">But for this particular tenant ( which I used when trying to launch the instance) , this is the usage,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="IS">and there should be enough resources,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="IS"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="IS">root@opst-ctrl1-dev:/# cinder quota-usage 7c0b82b2ace9471c92ae87f675e562f6<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="IS">+-----------+--------+----------+-------+<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="IS">| Type | In_use | Reserved | Limit |<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="IS">+-----------+--------+----------+-------+<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="IS">| gigabytes | 711 | 0 | 2000 |<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="IS">| snapshots | 0 | 0 | 30 |<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="IS">| volumes | 15 | 0 | 30 |<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="IS">+-----------+--------+----------+-------+<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="IS"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="IS">root@opst-ctrl1-dev:/# cinder quota-show 7c0b82b2ace9471c92ae87f675e562f6<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="IS">+-----------+-------+<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="IS">| Property | Value |<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="IS">+-----------+-------+<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="IS">| gigabytes | 2000 |<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="IS">| snapshots | 30 |<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="IS">| volumes | 30 |<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="IS">+-----------+-------+<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="IS"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="IS"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="IS">Can anyone please help me on this matter? What stats am I missing?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="IS"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="IS">Best regards<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="IS">Yngvi<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="IS"><o:p> </o:p></span></p>
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