<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=us-ascii"><meta name=Generator content="Microsoft Word 14 (filtered medium)"><style><!--
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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='color:#1F497D'>In case this is the answer, I found that in nova.conf, under the [libvirt] stanza, images_type can be set to "lvm". This looks like it may do the trick - using the compute node's LVM to provision and mount a logical volume, for either persistent or ephemeral storage defined in the flavor.<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><br>Can anyone validate that this is the right approach according to our needs?<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'>Also, I have read about the LVM device filters - which is important to avoid the host's LVM from seeing the guest's volumes, in case anyone else finds this message.<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!<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><br>Eric<o:p></o:p></span></p></div></body></html>