<div dir="ltr"><div class="gmail_default" style="font-family:monospace,monospace"><br></div><div class="gmail_extra"><br><div class="gmail_quote">On Mon, Oct 12, 2015 at 3:27 AM, Cory Hawkless <span dir="ltr"><<a href="mailto:Cory@hawkless.id.au" target="_blank">Cory@hawkless.id.au</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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<p class="MsoNormal">Hi all,<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">When creating a volume from an image(Using Horizon), why does the Cinder server need to do what appears to be a conversion of the image before it can create the volume?<u></u><u></u></p>
<p class="MsoNormal">All of my images in Glance are uploaded in RAW format, images and volumes are stored in Ceph.<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">The reason I know the images are being processed on my glance server is because it runs out of disk space when trying to make volumes from large images and the process fails. I can see the temporary file in /var/lib/cinder/conversion<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">Is it not possible to have glance simply copy the image form the images store into the volumes store? I am going to regularly be creating new Windows Server instances, so it would take quite some time for a 20gb image to be processed by
Cinder before it can be uploaded into Ceph.<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">Regards,<u></u><u></u></p>
<p class="MsoNormal">Cory<u></u><u></u></p>
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<br></blockquote></div><br></div><div class="gmail_extra"><div class="gmail_default" style="font-family:monospace,monospace">Hey Cory,</div><br></div><div class="gmail_extra"><div class="gmail_default" style="font-family:monospace,monospace">If I remember correctly, it was due to concerns around security issues. It's using the intermediate/tmp file to perform image checks prior to blindly laying down on the volume. The maybe good news is that at least it doesn't need to do a conversion of the file.</div><div class="gmail_default" style="font-family:monospace,monospace"><br></div><div class="gmail_default" style="font-family:monospace,monospace">Thanks,</div><div class="gmail_default" style="font-family:monospace,monospace">John</div><br></div></div>