<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div style="margin: 0px 0px 0px 6px; font-family: 'Helvetica Neue';" class=""><span style="font-family: Helvetica;" class="">I have a VM with the following disks (in the ordrer return by a get query):</span><div class="" style="font-family: Helvetica;">&nbsp;<div class=""><div class="" style="margin: 0px; font-size: 11px; font-family: Menlo;">&lt;Disk href="/api/vms/2ddfb8c3-d258-4d3e-9f65-fc247d0a03f6/disks/1180405d-699e-4594-bf73-8b1b170f38a9" id="1180405d-699e-4594-bf73-8b1b170f38a9"&gt;</div><div class="" style="margin: 0px; font-size: 11px; font-family: Menlo;">&nbsp; &nbsp; ...</div><div class="" style="margin: 0px; font-size: 11px; font-family: Menlo;">&nbsp; &nbsp; &lt;name&gt;vm_sys&lt;/name&gt;</div><div class="" style="margin: 0px; font-size: 11px; font-family: Menlo;">&nbsp; &nbsp; &lt;actual_size&gt;17179869184&lt;/actual_size&gt; &lt;- 16GiB</div><div class="" style="margin: 0px; font-size: 11px; font-family: Menlo;">&nbsp; &nbsp; &lt;interface&gt;virtio_scsi&lt;/interface&gt;</div><div class="" style="margin: 0px; font-size: 11px; font-family: Menlo;">&nbsp; &nbsp; &lt;bootable&gt;true&lt;/bootable&gt;</div><div class="" style="margin: 0px; font-size: 11px; font-family: Menlo;">&nbsp; &nbsp; &lt;storage_type&gt;image&lt;/storage_type&gt;</div><div class="" style="margin: 0px; font-size: 11px; font-family: Menlo;">&lt;/Disk&gt;</div><div class="" style="margin: 0px; font-size: 11px; font-family: Menlo; min-height: 13px;"><br class=""></div><div class="" style="margin: 0px; font-size: 11px; font-family: Menlo;">&lt;Disk href="/api/vms/2ddfb8c3-d258-4d3e-9f65-fc247d0a03f6/disks/1fe74758-c521-40ed-b8e5-d02d80188088" id="1fe74758-c521-40ed-b8e5-d02d80188088"&gt;</div><div class="" style="margin: 0px; font-size: 11px; font-family: Menlo;">&nbsp; &nbsp; &lt;name&gt;vm_data&lt;/name&gt;</div><div class="" style="margin: 0px; font-size: 11px; font-family: Menlo;">&nbsp; &nbsp; &lt;interface&gt;virtio_scsi&lt;/interface&gt;</div><div class="" style="margin: 0px; font-size: 11px; font-family: Menlo;">&nbsp; &nbsp; &lt;bootable&gt;false&lt;/bootable&gt;</div><div class="" style="margin: 0px; font-size: 11px; font-family: Menlo;">&nbsp; &nbsp;&nbsp;&lt;lun_storage id="3600c0ff00026285a2091355701000000"&gt;</div><div class="" style="margin: 0px; font-size: 11px; font-family: Menlo;">&nbsp; &nbsp; &nbsp; &nbsp; &lt;logical_unit id="3600c0ff00026285a2091355701000000"&gt;</div><div class="" style="margin: 0px; font-size: 11px; font-family: Menlo;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;size&gt;1099511627776&lt;/size&gt; &lt;- 1 TiB.</div><div class="" style="margin: 0px; font-size: 11px; font-family: Menlo;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;paths&gt;0&lt;/paths&gt;</div><div class="" style="margin: 0px; font-size: 11px; font-family: Menlo;">&nbsp; &nbsp; &nbsp; &nbsp; &lt;/logical_unit&gt;</div><div class="" style="margin: 0px; font-size: 11px; font-family: Menlo;">&nbsp; &nbsp; &lt;/lun_storage&gt;</div><div class="" style="margin: 0px; font-size: 11px; font-family: Menlo;">&nbsp; &nbsp; &lt;storage_type&gt;lun&lt;/storage_type&gt;</div><div class="" style="margin: 0px; font-size: 11px; font-family: Menlo;">&lt;/Disk&gt;</div></div><div class=""><br class=""></div><div class="">So the first one is a 16 GiB virtual disk, the second one a 1 iTB direct access LUN that will contains data.</div></div><div class="" style="font-family: Helvetica;"><br class=""></div><div class="" style="font-family: Helvetica;">But once booterd, I see:</div><div class="" style="font-family: Helvetica;"><div class="">lsblk &nbsp;&nbsp;</div><div class="">NAME &nbsp; &nbsp; &nbsp; &nbsp;MAJ:MIN RM &nbsp; SIZE RO TYPE MOUNTPOINT</div><div class="">sda &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 8:0 &nbsp; &nbsp;0 &nbsp; &nbsp; 1T &nbsp;0 disk&nbsp;</div></div><div class="" style="font-family: Helvetica;">...</div><div class="" style="font-family: Helvetica;"><div class="">sdb &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 8:16 &nbsp; 0 &nbsp; &nbsp;16G &nbsp;0 disk&nbsp;</div></div><div class="" style="font-family: Helvetica;">...</div><div class="" style="font-family: Helvetica;"><br class=""></div><div class="" style="font-family: Helvetica;">and :</div><div class="" style="font-family: Helvetica;"><div class="">ls -l /dev/disk/by-*/*</div></div><div class="" style="font-family: Helvetica;">...</div><div class="" style="font-family: Helvetica;"><div class="">lrwxrwxrwx. 1 root root &nbsp;9 May 16 09:03 /dev/disk/by-path/pci-0000:00:04.0-scsi-0:0:0:0 -&gt; ../../sda</div></div><div class="" style="font-family: Helvetica;"><div class="">lrwxrwxrwx. 1 root root &nbsp;9 May 16 09:03 /dev/disk/by-path/pci-0000:00:04.0-scsi-0:0:0:1 -&gt; ../../sdb</div></div><div class="" style="font-family: Helvetica;"><br class=""></div><div class="" style="font-family: Helvetica;">So the first disk sda is the second non bootable disk.</div><div class="" style="font-family: Helvetica;">What set the disk order associated to a VM ? Is there a way to enforce that the first disk is really the first disk ?</div></div></body></html>