<div dir="auto"><div><br><div class="gmail_extra"><br><div class="gmail_quote">On Mar 16, 2017 9:23 AM, "gflwqs gflwqs" <<a href="mailto:gflwqs@gmail.com">gflwqs@gmail.com</a>> wrote:<br type="attribution"><blockquote class="quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Hi list!<div>When we upgraded our ovirt environment to 4.1 we get the virtio-scsi interface as default for virtual disks.</div><div>We have seen a difference in drive order from when we used the virtio interface.</div><div><br></div><div>Before when we added disks the order of the drives were set by which order the disks was created.</div><div>So if i had 1 disk as os disk it became vda and added a 50 GB disk that disk became vdb and then added another 8GB disk that became vdc.</div><div><br></div><div>But now when i add two additional disks with the virtio-scsi interface like the above when i reboot the vm the 50GB disk become sdc and the 8GB disk become sdb even that i created the 50GB disk first?</div><div>How is the order decided in the virtio-scsi interface?</div><div>What can i do to ensure that the disks come in the order that i create them?</div></div></blockquote></div></div></div><div dir="auto"><br></div><div dir="auto">Based on their id on the scsi bus. Use /dev/disk-by-id or so and not sdX which might change. </div><div dir="auto">Y. </div><div dir="auto"><br></div><div dir="auto"><div class="gmail_extra"><div class="gmail_quote"><blockquote class="quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div><br></div><div>Regards</div><div>Christian</div></div>
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