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<p class="MsoNormal"><span style="color:#1F497D">As a follow to the original post, I have found this information on the Linbit’s website (<a href="https://www.linbit.com/en/how-setup-linstor-opennebula/">https://www.linbit.com/en/how-setup-linstor-opennebula/</a>)
<o:p></o:p></span></p>
<ul type="disc">
<li class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l0 level1 lfo1">
<span style="font-size:12.0pt;font-family:"Times New Roman",serif;mso-fareast-language:EN-GB">System datastore is used to store a small context image that stores all information needed to run a virtual machine (VM) on a node.<o:p></o:p></span></li><li class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l0 level1 lfo1">
<span style="font-size:12.0pt;font-family:"Times New Roman",serif;mso-fareast-language:EN-GB">Image datastore as it name reveals stores VM images.<o:p></o:p></span></li></ul>
<p class="MsoNormal"><span style="color:#1F497D">Does the system datastore hold the VM context disk only (basically the context disk is a cdrom file) or also the running disks (OS disks and datablocks) of the VMs?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Thanks in advance for any feedback<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US" style="mso-fareast-language:EN-GB">From:</span></b><span lang="EN-US" style="mso-fareast-language:EN-GB"> Luke Camilleri
<br>
<b>Sent:</b> 31 May 2019 09:56<br>
<b>To:</b> drbd-user@lists.linbit.com<br>
<b>Subject:</b> linstor image datastore and system datastore in opennebula<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">When I download new apps from the OpenNebula marketplace they are downloaded into the image datastore as per design described below.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">When creating new instances, disks are also placed in the image datastore although a system datastore location is required.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I went through the documentation of opennebula and it describes the below datastore types:<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:Symbol;mso-fareast-language:EN-GB">·</span><span style="font-size:12.0pt;font-family:"Times New Roman",serif;mso-fareast-language:EN-GB"> The
<b>Images Datastore</b>, stores the images repository. (the “golden” images”)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:Symbol;mso-fareast-language:EN-GB">·</span><span style="font-size:12.0pt;font-family:"Times New Roman",serif;mso-fareast-language:EN-GB"> The
<b>System Datastore</b> holds disk for running virtual machines. Disk are moved, or cloned to/from the Images datastore when the VMs are deployed or terminated; or when disks are attached or snapshotted.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman",serif;mso-fareast-language:EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman",serif;mso-fareast-language:EN-GB">Why are the instance disks created also in the image datastore?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman",serif;mso-fareast-language:EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman",serif;mso-fareast-language:EN-GB">Regards<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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