<div dir="ltr">Specifically we could do something like this: <a href="https://review.openstack.org/#/c/495532">https://review.openstack.org/#/c/495532</a><div><br></div><div>Michael</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Sun, Aug 20, 2017 at 3:43 PM, Michael Still <span dir="ltr"><<a href="mailto:mikal@stillhq.com" target="_blank">mikal@stillhq.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Hi,<div><br></div><div>nova.virt.libvirt.storage.lvm.<wbr>clear_volume() has a comment that we could use shred to zero out volumes efficiently if we could assume that shred 8.22 was in all our downstream distros [1]. shred 8.22 shipped in 2013 [2].</div><div><br></div><div>Can we assume that thing now? xenial appears to ship with 8.25 for example. If so, we could drop a reasonably complicated caller of dd, and it would make moving to privsep a tiny bit easier.</div><div><br></div><div>Thanks,</div><div>Michael</div><div><br></div><div><br></div><div>1: <a href="https://git.openstack.org/cgit/openstack/nova/tree/nova/virt/libvirt/storage/lvm.py#n219" target="_blank">https://git.openstack.org/<wbr>cgit/openstack/nova/tree/nova/<wbr>virt/libvirt/storage/lvm.py#<wbr>n219</a></div><div>2: <a href="http://savannah.gnu.org/forum/forum.php?forum_id=7815" target="_blank">http://savannah.gnu.org/<wbr>forum/forum.php?forum_id=7815</a></div></div>
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